[ 0.000000] Linux version 4.9.0-rc5-bfq-gentoo+ (leho@gusto) (gcc version 4.9.3 (Gentoo 4.9.3 p1.2, pie-0.6.3) ) #20 SMP PREEMPT Mon Nov 14 00:48:41 EET 2016 [ 0.000000] Command line: BOOT_IMAGE=/vmlinuz-4.9.0-rc5-bfq-gentoo+ root=UUID=712de7fe-cf7d-4b05-abb0-7419a965ac1b rd.luks.uuid= rd.luks.uuid= rd.luks.allow-discards rd.vconsole.font=ter-112n quiet splash [ 0.000000] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 0.000000] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 0.000000] x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'standard' format. [ 0.000000] x86/fpu: Using 'eager' FPU context switches. [ 0.000000] e820: BIOS-provided physical RAM map: [ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000004efff] usable [ 0.000000] BIOS-e820: [mem 0x000000000004f000-0x000000000004ffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000000050000-0x000000000009efff] usable [ 0.000000] BIOS-e820: [mem 0x000000000009f000-0x000000000009ffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x00000000c3aecfff] usable [ 0.000000] BIOS-e820: [mem 0x00000000c3aed000-0x00000000c3af3fff] ACPI NVS [ 0.000000] BIOS-e820: [mem 0x00000000c3af4000-0x00000000c472dfff] usable [ 0.000000] BIOS-e820: [mem 0x00000000c472e000-0x00000000c4c12fff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000c4c13000-0x00000000d7db3fff] usable [ 0.000000] BIOS-e820: [mem 0x00000000d7db4000-0x00000000d7ffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000d8000000-0x00000000d8758fff] usable [ 0.000000] BIOS-e820: [mem 0x00000000d8759000-0x00000000d87fffff] type 20 [ 0.000000] BIOS-e820: [mem 0x00000000d8800000-0x00000000d8fa9fff] usable [ 0.000000] BIOS-e820: [mem 0x00000000d8faa000-0x00000000d8ffffff] ACPI data [ 0.000000] BIOS-e820: [mem 0x00000000d9000000-0x00000000da71bfff] usable [ 0.000000] BIOS-e820: [mem 0x00000000da71c000-0x00000000da7fffff] ACPI NVS [ 0.000000] BIOS-e820: [mem 0x00000000da800000-0x00000000dbceafff] usable [ 0.000000] BIOS-e820: [mem 0x00000000dbceb000-0x00000000dbffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000dd000000-0x00000000df1fffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000f8000000-0x00000000fbffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fec00000-0x00000000fec00fff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fed00000-0x00000000fed03fff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fed1c000-0x00000000fed1ffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fee00000-0x00000000fee00fff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000ff000000-0x00000000ffffffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000041edfffff] usable [ 0.000000] NX (Execute Disable) protection: active [ 0.000000] efi: EFI v2.31 by American Megatrends [ 0.000000] efi: ACPI 2.0=0xd8feb000 ACPI=0xd8feb000 SMBIOS=0xf04c0 MPS=0xfd6d0 [ 0.000000] SMBIOS 2.7 present. [ 0.000000] DMI: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016 [ 0.000000] e820: update [mem 0x00000000-0x00000fff] usable ==> reserved [ 0.000000] e820: remove [mem 0x000a0000-0x000fffff] usable [ 0.000000] e820: last_pfn = 0x41ee00 max_arch_pfn = 0x400000000 [ 0.000000] MTRR default type: uncachable [ 0.000000] MTRR fixed ranges enabled: [ 0.000000] 00000-9FFFF write-back [ 0.000000] A0000-BFFFF uncachable [ 0.000000] C0000-CFFFF write-protect [ 0.000000] D0000-DFFFF uncachable [ 0.000000] E0000-FFFFF write-protect [ 0.000000] MTRR variable ranges enabled: [ 0.000000] 0 base 0000000000 mask 7C00000000 write-back [ 0.000000] 1 base 0400000000 mask 7FE0000000 write-back [ 0.000000] 2 base 00E0000000 mask 7FE0000000 uncachable [ 0.000000] 3 base 00DE000000 mask 7FFE000000 uncachable [ 0.000000] 4 base 00DD000000 mask 7FFF000000 uncachable [ 0.000000] 5 base 041F000000 mask 7FFF000000 uncachable [ 0.000000] 6 base 041EE00000 mask 7FFFE00000 uncachable [ 0.000000] 7 disabled [ 0.000000] 8 disabled [ 0.000000] 9 disabled [ 0.000000] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WC UC- WT [ 0.000000] total RAM covered: 16318M [ 0.000000] gran_size: 64K chunk_size: 64K num_reg: 10 lose cover RAM: 110M [ 0.000000] gran_size: 64K chunk_size: 128K num_reg: 10 lose cover RAM: 110M [ 0.000000] gran_size: 64K chunk_size: 256K num_reg: 10 lose cover RAM: 110M [ 0.000000] gran_size: 64K chunk_size: 512K num_reg: 10 lose cover RAM: 110M [ 0.000000] gran_size: 64K chunk_size: 1M num_reg: 10 lose cover RAM: 110M [ 0.000000] gran_size: 64K chunk_size: 2M num_reg: 10 lose cover RAM: 110M [ 0.000000] gran_size: 64K chunk_size: 4M num_reg: 10 lose cover RAM: 110M [ 0.000000] gran_size: 64K chunk_size: 8M num_reg: 10 lose cover RAM: 110M [ 0.000000] gran_size: 64K chunk_size: 16M num_reg: 10 lose cover RAM: 110M [ 0.000000] *BAD*gran_size: 64K chunk_size: 32M num_reg: 10 lose cover RAM: -18M [ 0.000000] gran_size: 64K chunk_size: 64M num_reg: 10 lose cover RAM: 0G [ 0.000000] gran_size: 64K chunk_size: 128M num_reg: 10 lose cover RAM: 0G [ 0.000000] gran_size: 64K chunk_size: 256M num_reg: 10 lose cover RAM: 0G [ 0.000000] gran_size: 64K chunk_size: 512M num_reg: 10 lose cover RAM: 0G [ 0.000000] gran_size: 64K chunk_size: 1G num_reg: 10 lose cover RAM: 0G [ 0.000000] *BAD*gran_size: 64K chunk_size: 2G num_reg: 10 lose cover RAM: -1G [ 0.000000] gran_size: 128K chunk_size: 128K num_reg: 10 lose cover RAM: 110M [ 0.000000] gran_size: 128K chunk_size: 256K num_reg: 10 lose cover RAM: 110M [ 0.000000] gran_size: 128K chunk_size: 512K num_reg: 10 lose cover RAM: 110M [ 0.000000] gran_size: 128K chunk_size: 1M num_reg: 10 lose cover RAM: 110M [ 0.000000] gran_size: 128K chunk_size: 2M num_reg: 10 lose cover RAM: 110M [ 0.000000] gran_size: 128K chunk_size: 4M num_reg: 10 lose cover RAM: 110M [ 0.000000] gran_size: 128K chunk_size: 8M num_reg: 10 lose cover RAM: 110M [ 0.000000] gran_size: 128K chunk_size: 16M num_reg: 10 lose cover RAM: 110M [ 0.000000] *BAD*gran_size: 128K chunk_size: 32M num_reg: 10 lose cover RAM: -18M [ 0.000000] gran_size: 128K chunk_size: 64M num_reg: 10 lose cover RAM: 0G [ 0.000000] gran_size: 128K chunk_size: 128M num_reg: 10 lose cover RAM: 0G [ 0.000000] gran_size: 128K chunk_size: 256M num_reg: 10 lose cover RAM: 0G [ 0.000000] gran_size: 128K chunk_size: 512M num_reg: 10 lose cover RAM: 0G [ 0.000000] gran_size: 128K chunk_size: 1G num_reg: 10 lose cover RAM: 0G [ 0.000000] *BAD*gran_size: 128K chunk_size: 2G num_reg: 10 lose cover RAM: -1G [ 0.000000] gran_size: 256K chunk_size: 256K num_reg: 10 lose cover RAM: 110M [ 0.000000] gran_size: 256K chunk_size: 512K num_reg: 10 lose cover RAM: 110M [ 0.000000] gran_size: 256K chunk_size: 1M num_reg: 10 lose cover RAM: 110M [ 0.000000] gran_size: 256K chunk_size: 2M num_reg: 10 lose cover RAM: 110M [ 0.000000] gran_size: 256K chunk_size: 4M num_reg: 10 lose cover RAM: 110M [ 0.000000] gran_size: 256K chunk_size: 8M num_reg: 10 lose cover RAM: 110M [ 0.000000] gran_size: 256K chunk_size: 16M num_reg: 10 lose cover RAM: 110M [ 0.000000] *BAD*gran_size: 256K chunk_size: 32M num_reg: 10 lose cover RAM: -18M [ 0.000000] gran_size: 256K chunk_size: 64M num_reg: 10 lose cover RAM: 0G [ 0.000000] gran_size: 256K chunk_size: 128M num_reg: 10 lose cover RAM: 0G [ 0.000000] gran_size: 256K chunk_size: 256M num_reg: 10 lose cover RAM: 0G [ 0.000000] gran_size: 256K chunk_size: 512M num_reg: 10 lose cover RAM: 0G [ 0.000000] gran_size: 256K chunk_size: 1G num_reg: 10 lose cover RAM: 0G [ 0.000000] *BAD*gran_size: 256K chunk_size: 2G num_reg: 10 lose cover RAM: -1G [ 0.000000] gran_size: 512K chunk_size: 512K num_reg: 10 lose cover RAM: 110M [ 0.000000] gran_size: 512K chunk_size: 1M num_reg: 10 lose cover RAM: 110M [ 0.000000] gran_size: 512K chunk_size: 2M num_reg: 10 lose cover RAM: 110M [ 0.000000] gran_size: 512K chunk_size: 4M num_reg: 10 lose cover RAM: 110M [ 0.000000] gran_size: 512K chunk_size: 8M num_reg: 10 lose cover RAM: 110M [ 0.000000] gran_size: 512K chunk_size: 16M num_reg: 10 lose cover RAM: 110M [ 0.000000] *BAD*gran_size: 512K chunk_size: 32M num_reg: 10 lose cover RAM: -18M [ 0.000000] gran_size: 512K chunk_size: 64M num_reg: 10 lose cover RAM: 0G [ 0.000000] gran_size: 512K chunk_size: 128M num_reg: 10 lose cover RAM: 0G [ 0.000000] gran_size: 512K chunk_size: 256M num_reg: 10 lose cover RAM: 0G [ 0.000000] gran_size: 512K chunk_size: 512M num_reg: 10 lose cover RAM: 0G [ 0.000000] gran_size: 512K chunk_size: 1G num_reg: 10 lose cover RAM: 0G [ 0.000000] *BAD*gran_size: 512K chunk_size: 2G num_reg: 10 lose cover RAM: -1G [ 0.000000] gran_size: 1M chunk_size: 1M num_reg: 10 lose cover RAM: 110M [ 0.000000] gran_size: 1M chunk_size: 2M num_reg: 10 lose cover RAM: 110M [ 0.000000] gran_size: 1M chunk_size: 4M num_reg: 10 lose cover RAM: 110M [ 0.000000] gran_size: 1M chunk_size: 8M num_reg: 10 lose cover RAM: 110M [ 0.000000] gran_size: 1M chunk_size: 16M num_reg: 10 lose cover RAM: 110M [ 0.000000] *BAD*gran_size: 1M chunk_size: 32M num_reg: 10 lose cover RAM: -18M [ 0.000000] gran_size: 1M chunk_size: 64M num_reg: 10 lose cover RAM: 0G [ 0.000000] gran_size: 1M chunk_size: 128M num_reg: 10 lose cover RAM: 0G [ 0.000000] gran_size: 1M chunk_size: 256M num_reg: 10 lose cover RAM: 0G [ 0.000000] gran_size: 1M chunk_size: 512M num_reg: 10 lose cover RAM: 0G [ 0.000000] gran_size: 1M chunk_size: 1G num_reg: 10 lose cover RAM: 0G [ 0.000000] *BAD*gran_size: 1M chunk_size: 2G num_reg: 10 lose cover RAM: -1G [ 0.000000] gran_size: 2M chunk_size: 2M num_reg: 10 lose cover RAM: 110M [ 0.000000] gran_size: 2M chunk_size: 4M num_reg: 10 lose cover RAM: 110M [ 0.000000] gran_size: 2M chunk_size: 8M num_reg: 10 lose cover RAM: 110M [ 0.000000] gran_size: 2M chunk_size: 16M num_reg: 10 lose cover RAM: 110M [ 0.000000] *BAD*gran_size: 2M chunk_size: 32M num_reg: 10 lose cover RAM: -18M [ 0.000000] gran_size: 2M chunk_size: 64M num_reg: 10 lose cover RAM: 0G [ 0.000000] gran_size: 2M chunk_size: 128M num_reg: 10 lose cover RAM: 0G [ 0.000000] gran_size: 2M chunk_size: 256M num_reg: 10 lose cover RAM: 0G [ 0.000000] gran_size: 2M chunk_size: 512M num_reg: 10 lose cover RAM: 0G [ 0.000000] gran_size: 2M chunk_size: 1G num_reg: 10 lose cover RAM: 0G [ 0.000000] *BAD*gran_size: 2M chunk_size: 2G num_reg: 10 lose cover RAM: -1G [ 0.000000] gran_size: 4M chunk_size: 4M num_reg: 10 lose cover RAM: 110M [ 0.000000] gran_size: 4M chunk_size: 8M num_reg: 10 lose cover RAM: 110M [ 0.000000] gran_size: 4M chunk_size: 16M num_reg: 10 lose cover RAM: 110M [ 0.000000] *BAD*gran_size: 4M chunk_size: 32M num_reg: 10 lose cover RAM: -18M [ 0.000000] gran_size: 4M chunk_size: 64M num_reg: 10 lose cover RAM: 2M [ 0.000000] gran_size: 4M chunk_size: 128M num_reg: 10 lose cover RAM: 2M [ 0.000000] gran_size: 4M chunk_size: 256M num_reg: 10 lose cover RAM: 2M [ 0.000000] gran_size: 4M chunk_size: 512M num_reg: 10 lose cover RAM: 2M [ 0.000000] gran_size: 4M chunk_size: 1G num_reg: 10 lose cover RAM: 2M [ 0.000000] *BAD*gran_size: 4M chunk_size: 2G num_reg: 10 lose cover RAM: -1022M [ 0.000000] gran_size: 8M chunk_size: 8M num_reg: 10 lose cover RAM: 110M [ 0.000000] gran_size: 8M chunk_size: 16M num_reg: 10 lose cover RAM: 110M [ 0.000000] *BAD*gran_size: 8M chunk_size: 32M num_reg: 10 lose cover RAM: -18M [ 0.000000] gran_size: 8M chunk_size: 64M num_reg: 10 lose cover RAM: 6M [ 0.000000] gran_size: 8M chunk_size: 128M num_reg: 10 lose cover RAM: 6M [ 0.000000] gran_size: 8M chunk_size: 256M num_reg: 10 lose cover RAM: 6M [ 0.000000] gran_size: 8M chunk_size: 512M num_reg: 10 lose cover RAM: 6M [ 0.000000] gran_size: 8M chunk_size: 1G num_reg: 10 lose cover RAM: 6M [ 0.000000] *BAD*gran_size: 8M chunk_size: 2G num_reg: 10 lose cover RAM: -1018M [ 0.000000] gran_size: 16M chunk_size: 16M num_reg: 10 lose cover RAM: 110M [ 0.000000] gran_size: 16M chunk_size: 32M num_reg: 10 lose cover RAM: 238M [ 0.000000] gran_size: 16M chunk_size: 64M num_reg: 9 lose cover RAM: 14M [ 0.000000] gran_size: 16M chunk_size: 128M num_reg: 9 lose cover RAM: 14M [ 0.000000] gran_size: 16M chunk_size: 256M num_reg: 9 lose cover RAM: 14M [ 0.000000] gran_size: 16M chunk_size: 512M num_reg: 9 lose cover RAM: 14M [ 0.000000] gran_size: 16M chunk_size: 1G num_reg: 9 lose cover RAM: 14M [ 0.000000] gran_size: 16M chunk_size: 2G num_reg: 10 lose cover RAM: 14M [ 0.000000] gran_size: 32M chunk_size: 32M num_reg: 10 lose cover RAM: 62M [ 0.000000] gran_size: 32M chunk_size: 64M num_reg: 9 lose cover RAM: 30M [ 0.000000] gran_size: 32M chunk_size: 128M num_reg: 8 lose cover RAM: 30M [ 0.000000] gran_size: 32M chunk_size: 256M num_reg: 8 lose cover RAM: 30M [ 0.000000] gran_size: 32M chunk_size: 512M num_reg: 8 lose cover RAM: 30M [ 0.000000] gran_size: 32M chunk_size: 1G num_reg: 8 lose cover RAM: 30M [ 0.000000] gran_size: 32M chunk_size: 2G num_reg: 9 lose cover RAM: 30M [ 0.000000] gran_size: 64M chunk_size: 64M num_reg: 10 lose cover RAM: 62M [ 0.000000] gran_size: 64M chunk_size: 128M num_reg: 8 lose cover RAM: 62M [ 0.000000] gran_size: 64M chunk_size: 256M num_reg: 8 lose cover RAM: 62M [ 0.000000] gran_size: 64M chunk_size: 512M num_reg: 8 lose cover RAM: 62M [ 0.000000] gran_size: 64M chunk_size: 1G num_reg: 8 lose cover RAM: 62M [ 0.000000] gran_size: 64M chunk_size: 2G num_reg: 9 lose cover RAM: 62M [ 0.000000] gran_size: 128M chunk_size: 128M num_reg: 8 lose cover RAM: 190M [ 0.000000] gran_size: 128M chunk_size: 256M num_reg: 8 lose cover RAM: 190M [ 0.000000] gran_size: 128M chunk_size: 512M num_reg: 8 lose cover RAM: 190M [ 0.000000] gran_size: 128M chunk_size: 1G num_reg: 8 lose cover RAM: 190M [ 0.000000] gran_size: 128M chunk_size: 2G num_reg: 9 lose cover RAM: 190M [ 0.000000] gran_size: 256M chunk_size: 256M num_reg: 6 lose cover RAM: 446M [ 0.000000] gran_size: 256M chunk_size: 512M num_reg: 8 lose cover RAM: 446M [ 0.000000] gran_size: 256M chunk_size: 1G num_reg: 8 lose cover RAM: 446M [ 0.000000] gran_size: 256M chunk_size: 2G num_reg: 9 lose cover RAM: 446M [ 0.000000] gran_size: 512M chunk_size: 512M num_reg: 4 lose cover RAM: 958M [ 0.000000] gran_size: 512M chunk_size: 1G num_reg: 4 lose cover RAM: 958M [ 0.000000] gran_size: 512M chunk_size: 2G num_reg: 4 lose cover RAM: 958M [ 0.000000] gran_size: 1G chunk_size: 1G num_reg: 4 lose cover RAM: 958M [ 0.000000] gran_size: 1G chunk_size: 2G num_reg: 4 lose cover RAM: 958M [ 0.000000] gran_size: 2G chunk_size: 2G num_reg: 3 lose cover RAM: 1982M [ 0.000000] mtrr_cleanup: can not find optimal value [ 0.000000] please specify mtrr_gran_size/mtrr_chunk_size [ 0.000000] e820: update [mem 0xdd000000-0xffffffff] usable ==> reserved [ 0.000000] e820: last_pfn = 0xdbceb max_arch_pfn = 0x400000000 [ 0.000000] Scanning 1 areas for low memory corruption [ 0.000000] Base memory trampoline at [ffff880000097000] 97000 size 24576 [ 0.000000] Using GB pages for direct mapping [ 0.000000] BRK [0x02c84000, 0x02c84fff] PGTABLE [ 0.000000] BRK [0x02c85000, 0x02c85fff] PGTABLE [ 0.000000] BRK [0x02c86000, 0x02c86fff] PGTABLE [ 0.000000] BRK [0x02c87000, 0x02c87fff] PGTABLE [ 0.000000] BRK [0x02c88000, 0x02c88fff] PGTABLE [ 0.000000] BRK [0x02c89000, 0x02c89fff] PGTABLE [ 0.000000] RAMDISK: [mem 0x361d6000-0x370e2fff] [ 0.000000] ACPI: Early table checksum verification disabled [ 0.000000] ACPI: RSDP 0x00000000D8FEB000 000024 (v02 DELL ) [ 0.000000] ACPI: XSDT 0x00000000D8FEB090 00009C (v01 DELL CBX3 01072009 AMI 00010013) [ 0.000000] ACPI: FACP 0x00000000D8FFCA68 00010C (v05 DELL CBX3 01072009 AMI 00010013) [ 0.000000] ACPI: DSDT 0x00000000D8FEB1B8 0118AF (v02 DELL CBX3 00000014 INTL 20120711) [ 0.000000] ACPI: FACS 0x00000000DA7FE080 000040 [ 0.000000] ACPI: APIC 0x00000000D8FFCB78 000072 (v03 DELL CBX3 01072009 AMI 00010013) [ 0.000000] ACPI: FPDT 0x00000000D8FFCBF0 000044 (v01 DELL CBX3 01072009 AMI 00010013) [ 0.000000] ACPI: SLIC 0x00000000D8FFCC38 000176 (v03 DELL CBX3 01072009 MSFT 00010013) [ 0.000000] ACPI: LPIT 0x00000000D8FFCDB0 00005C (v01 DELL CBX3 00000000 AMI. 00000005) [ 0.000000] ACPI: SSDT 0x00000000D8FFCE10 000228 (v01 INTEL sensrhub 00000000 INTL 20120711) [ 0.000000] ACPI: SSDT 0x00000000D8FFD038 00051F (v01 PmRef Cpu0Ist 00003000 INTL 20120711) [ 0.000000] ACPI: SSDT 0x00000000D8FFD558 000AD8 (v01 PmRef CpuPm 00003000 INTL 20120711) [ 0.000000] ACPI: HPET 0x00000000D8FFE030 000038 (v01 DELL CBX3 01072009 AMI. 00000005) [ 0.000000] ACPI: SSDT 0x00000000D8FFE068 000455 (v01 SataRe SataTabl 00001000 INTL 20120711) [ 0.000000] ACPI: MCFG 0x00000000D8FFE4C0 00003C (v01 DELL CBX3 01072009 MSFT 00000097) [ 0.000000] ACPI: ASF! 0x00000000D8FFE500 0000A5 (v32 INTEL HCG 00000001 TFSM 000F4240) [ 0.000000] ACPI: MSDM 0x00000000D8FFE5A8 000055 (v03 DELL CBX3 06222004 AMI 00010013) [ 0.000000] ACPI: BGRT 0x00000000D8FFE600 000038 (v00 \xfffffff3\xffffffee 01072009 AMI 00010013) [ 0.000000] ACPI: DMAR 0x00000000D8FFE638 0000B0 (v01 INTEL HSW 00000001 INTL 00000001) [ 0.000000] ACPI: Local APIC address 0xfee00000 [ 0.000000] Zone ranges: [ 0.000000] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.000000] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.000000] Normal [mem 0x0000000100000000-0x000000041edfffff] [ 0.000000] Movable zone start for each node [ 0.000000] Early memory node ranges [ 0.000000] node 0: [mem 0x0000000000001000-0x000000000004efff] [ 0.000000] node 0: [mem 0x0000000000050000-0x000000000009efff] [ 0.000000] node 0: [mem 0x0000000000100000-0x00000000c3aecfff] [ 0.000000] node 0: [mem 0x00000000c3af4000-0x00000000c472dfff] [ 0.000000] node 0: [mem 0x00000000c4c13000-0x00000000d7db3fff] [ 0.000000] node 0: [mem 0x00000000d8000000-0x00000000d8758fff] [ 0.000000] node 0: [mem 0x00000000d8800000-0x00000000d8fa9fff] [ 0.000000] node 0: [mem 0x00000000d9000000-0x00000000da71bfff] [ 0.000000] node 0: [mem 0x00000000da800000-0x00000000dbceafff] [ 0.000000] node 0: [mem 0x0000000100000000-0x000000041edfffff] [ 0.000000] Initmem setup node 0 [mem 0x0000000000001000-0x000000041edfffff] [ 0.000000] On node 0 totalpages: 4170095 [ 0.000000] DMA zone: 64 pages used for memmap [ 0.000000] DMA zone: 27 pages reserved [ 0.000000] DMA zone: 3997 pages, LIFO batch:0 [ 0.000000] DMA32 zone: 13968 pages used for memmap [ 0.000000] DMA32 zone: 893906 pages, LIFO batch:31 [ 0.000000] Normal zone: 51128 pages used for memmap [ 0.000000] Normal zone: 3272192 pages, LIFO batch:31 [ 0.000000] Reserving Intel graphics memory at 0x00000000dd200000-0x00000000df1fffff [ 0.000000] ACPI: PM-Timer IO Port: 0x1808 [ 0.000000] ACPI: Local APIC address 0xfee00000 [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0xff] high edge lint[0x1]) [ 0.000000] IOAPIC[0]: apic_id 8, version 32, address 0xfec00000, GSI 0-39 [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.000000] ACPI: IRQ0 used by override. [ 0.000000] ACPI: IRQ9 used by override. [ 0.000000] Using ACPI (MADT) for SMP configuration information [ 0.000000] ACPI: HPET id: 0x8086a701 base: 0xfed00000 [ 0.000000] smpboot: Allowing 4 CPUs, 0 hotplug CPUs [ 0.000000] e820: [mem 0xdf200000-0xf7ffffff] available for PCI devices [ 0.000000] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 0.000000] setup_percpu: NR_CPUS:4 nr_cpumask_bits:4 nr_cpu_ids:4 nr_node_ids:1 [ 0.000000] percpu: Embedded 34 pages/cpu @ffff88041ea00000 s101272 r8192 d29800 u524288 [ 0.000000] pcpu-alloc: s101272 r8192 d29800 u524288 alloc=1*2097152 [ 0.000000] pcpu-alloc: [0] 0 1 2 3 [ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 4104908 [ 0.000000] Kernel command line: BOOT_IMAGE=/vmlinuz-4.9.0-rc5-bfq-gentoo+ root=UUID=712de7fe-cf7d-4b05-abb0-7419a965ac1b rd.luks.uuid= rd.luks.uuid= rd.luks.allow-discards rd.vconsole.font=ter-112n quiet splash [ 0.000000] PID hash table entries: 4096 (order: 3, 32768 bytes) [ 0.000000] Dentry cache hash table entries: 2097152 (order: 12, 16777216 bytes) [ 0.000000] Inode-cache hash table entries: 1048576 (order: 11, 8388608 bytes) [ 0.000000] Memory: 16181476K/16680380K available (6363K kernel code, 836K rwdata, 1900K rodata, 984K init, 716K bss, 498904K reserved, 0K cma-reserved) [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.000000] Preemptible hierarchical RCU implementation. [ 0.000000] Build-time adjustment of leaf fanout to 64. [ 0.000000] NR_IRQS:4352 nr_irqs:728 16 [ 0.000000] Console: colour dummy device 80x25 [ 0.000000] console [tty0] enabled [ 0.000000] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 133484882848 ns [ 0.000000] hpet clockevent registered [ 0.000000] tsc: Fast TSC calibration using PIT [ 0.000000] tsc: Detected 2494.228 MHz processor [ 0.000002] Calibrating delay loop (skipped), value calculated using timer frequency.. 4988.45 BogoMIPS (lpj=2494228) [ 0.000003] pid_max: default: 32768 minimum: 301 [ 0.000008] ACPI: Core revision 20160831 [ 0.009261] ACPI: 5 ACPI AML tables successfully acquired and loaded [ 0.009724] Mount-cache hash table entries: 32768 (order: 6, 262144 bytes) [ 0.009725] Mountpoint-cache hash table entries: 32768 (order: 6, 262144 bytes) [ 0.009909] CPU: Physical Processor ID: 0 [ 0.009910] CPU: Processor Core ID: 0 [ 0.009912] ENERGY_PERF_BIAS: Set to 'normal', was 'performance' [ 0.009913] ENERGY_PERF_BIAS: View and update with x86_energy_perf_policy(8) [ 0.009916] mce: CPU supports 7 MCE banks [ 0.009922] CPU0: Thermal monitoring enabled (TM1) [ 0.009932] process: using mwait in idle threads [ 0.009934] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024 [ 0.009935] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4 [ 0.010249] Freeing SMP alternatives memory: 28K (ffffffff81bc9000 - ffffffff81bd0000) [ 0.017140] smpboot: APIC(0) Converting physical 0 to logical package 0 [ 0.017141] smpboot: Max logical packages: 2 [ 0.017145] DMAR: Host address width 39 [ 0.017146] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 [ 0.017151] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap c0000020660462 ecap f0101a [ 0.017152] DMAR: DRHD base: 0x000000fed91000 flags: 0x1 [ 0.017155] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008020660462 ecap f010da [ 0.017155] DMAR: RMRR base: 0x000000d7f19000 end: 0x000000d7f27fff [ 0.017156] DMAR: RMRR base: 0x000000dd000000 end: 0x000000df1fffff [ 0.017158] DMAR-IR: IOAPIC id 8 under DRHD base 0xfed91000 IOMMU 1 [ 0.017158] DMAR-IR: HPET id 0 under DRHD base 0xfed91000 [ 0.017358] DMAR: DRHD: handling fault status reg 2 [ 0.017365] DMAR: [DMA Read] Request device [00:1f.2] fault addr dbcfc000 [fault reason 06] PTE Read access is not set [ 0.017493] DMAR-IR: Enabled IRQ remapping in xapic mode [ 0.018103] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 0.028109] TSC deadline timer enabled [ 0.028111] smpboot: CPU0: Intel(R) Core(TM) i5-4300U CPU @ 1.90GHz (family: 0x6, model: 0x45, stepping: 0x1) [ 0.028114] Performance Events: PEBS fmt2+, Haswell events, 16-deep LBR, full-width counters, Intel PMU driver. [ 0.028132] ... version: 3 [ 0.028132] ... bit width: 48 [ 0.028133] ... generic registers: 4 [ 0.028133] ... value mask: 0000ffffffffffff [ 0.028134] ... max period: 0000ffffffffffff [ 0.028134] ... fixed-purpose events: 3 [ 0.028135] ... event mask: 000000070000000f [ 0.045208] x86: Booting SMP configuration: [ 0.045209] .... node #0, CPUs: #1 #2 #3 [ 0.245491] x86: Booted up 1 node, 4 CPUs [ 0.245493] smpboot: Total of 4 processors activated (19967.49 BogoMIPS) [ 0.248449] devtmpfs: initialized [ 0.248604] PM: Registering ACPI NVS region [mem 0xc3aed000-0xc3af3fff] (28672 bytes) [ 0.248605] PM: Registering ACPI NVS region [mem 0xda71c000-0xda7fffff] (933888 bytes) [ 0.248647] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.248666] xor: automatically using best checksumming function avx [ 0.248669] pinctrl core: initialized pinctrl subsystem [ 0.248732] NET: Registered protocol family 16 [ 0.254281] cpuidle: using governor ladder [ 0.259293] cpuidle: using governor menu [ 0.259320] ACPI FADT declares the system doesn't support PCIe ASPM, so disable it [ 0.259321] ACPI: bus type PCI registered [ 0.259322] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5 [ 0.259353] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xf8000000-0xfbffffff] (base 0xf8000000) [ 0.259354] PCI: MMCONFIG at [mem 0xf8000000-0xfbffffff] reserved in E820 [ 0.259359] pmd_set_huge: Cannot satisfy [mem 0xf8000000-0xf8200000] with a huge-page mapping due to MTRR override. [ 0.259399] PCI: Using configuration type 1 for base access [ 0.259405] dmi type 0xB1 record - unknown flag [ 0.259442] core: PMU erratum BJ122, BV98, HSD29 worked around, HT is on [ 0.281324] raid6: sse2x1 gen() 8378 MB/s [ 0.298335] raid6: sse2x1 xor() 6552 MB/s [ 0.315351] raid6: sse2x2 gen() 10546 MB/s [ 0.332370] raid6: sse2x2 xor() 7212 MB/s [ 0.349388] raid6: sse2x4 gen() 12335 MB/s [ 0.366406] raid6: sse2x4 xor() 8708 MB/s [ 0.383426] raid6: avx2x1 gen() 16437 MB/s [ 0.400445] raid6: avx2x2 gen() 18976 MB/s [ 0.417464] raid6: avx2x4 gen() 22300 MB/s [ 0.417465] raid6: using algorithm avx2x4 gen() 22300 MB/s [ 0.417465] raid6: using avx2x2 recovery algorithm [ 0.417484] ACPI: Added _OSI(Module Device) [ 0.417485] ACPI: Added _OSI(Processor Device) [ 0.417486] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.417486] ACPI: Added _OSI(Processor Aggregator Device) [ 0.417667] ACPI: Executed 1 blocks of module-level executable AML code [ 0.421583] ACPI: [Firmware Bug]: BIOS _OSI(Linux) query ignored [ 0.425385] ACPI: Dynamic OEM Table Load: [ 0.425390] ACPI: SSDT 0xFFFF88040C2FAC00 0003D3 (v01 PmRef Cpu0Cst 00003001 INTL 20120711) [ 0.425661] ACPI: Dynamic OEM Table Load: [ 0.425665] ACPI: SSDT 0xFFFF88040C318800 0005AA (v01 PmRef ApIst 00003000 INTL 20120711) [ 0.425959] ACPI: Dynamic OEM Table Load: [ 0.425962] ACPI: SSDT 0xFFFF88040C38C000 000119 (v01 PmRef ApCst 00003000 INTL 20120711) [ 0.426676] ACPI : EC: EC started [ 0.442730] ACPI: \_SB_.PCI0.LPCB.ECDV: Used as first EC [ 0.442732] ACPI: \_SB_.PCI0.LPCB.ECDV: GPE=0x27, EC_CMD/EC_SC=0x934, EC_DATA=0x930 [ 0.442733] ACPI: \_SB_.PCI0.LPCB.ECDV: Used as boot DSDT EC to handle transactions [ 0.442733] ACPI: Interpreter enabled [ 0.442754] ACPI: (supports S0 S3 S5) [ 0.442755] ACPI: Using IOAPIC for interrupt routing [ 0.442778] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 0.480005] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-3e]) [ 0.480008] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI] [ 0.480186] acpi PNP0A08:00: _OSC: platform does not support [PCIeHotplug PME] [ 0.480292] acpi PNP0A08:00: _OSC: OS now controls [AER PCIeCapability] [ 0.480293] acpi PNP0A08:00: FADT indicates ASPM is unsupported, using BIOS configuration [ 0.480635] PCI host bridge to bus 0000:00 [ 0.480637] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.480637] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 0.480638] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.480639] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window] [ 0.480640] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window] [ 0.480641] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window] [ 0.480641] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff window] [ 0.480642] pci_bus 0000:00: root bus resource [mem 0xdf200000-0xfeafffff window] [ 0.480643] pci_bus 0000:00: root bus resource [bus 00-3e] [ 0.480649] pci 0000:00:00.0: [8086:0a04] type 00 class 0x060000 [ 0.480735] pci 0000:00:02.0: [8086:0a16] type 00 class 0x030000 [ 0.480743] pci 0000:00:02.0: reg 0x10: [mem 0xf7800000-0xf7bfffff 64bit] [ 0.480748] pci 0000:00:02.0: reg 0x18: [mem 0xe0000000-0xefffffff 64bit pref] [ 0.480752] pci 0000:00:02.0: reg 0x20: [io 0xf000-0xf03f] [ 0.480825] pci 0000:00:03.0: [8086:0a0c] type 00 class 0x040300 [ 0.480831] pci 0000:00:03.0: reg 0x10: [mem 0xf7e34000-0xf7e37fff 64bit] [ 0.480922] pci 0000:00:14.0: [8086:9c31] type 00 class 0x0c0330 [ 0.480935] pci 0000:00:14.0: reg 0x10: [mem 0xf7e20000-0xf7e2ffff 64bit] [ 0.480984] pci 0000:00:14.0: PME# supported from D3hot D3cold [ 0.481024] pci 0000:00:14.0: System wakeup disabled by ACPI [ 0.481052] pci 0000:00:16.0: [8086:9c3a] type 00 class 0x078000 [ 0.481068] pci 0000:00:16.0: reg 0x10: [mem 0xf7e3f000-0xf7e3f01f 64bit] [ 0.481127] pci 0000:00:16.0: PME# supported from D0 D3hot D3cold [ 0.481195] pci 0000:00:19.0: [8086:155a] type 00 class 0x020000 [ 0.481210] pci 0000:00:19.0: reg 0x10: [mem 0xf7e00000-0xf7e1ffff] [ 0.481216] pci 0000:00:19.0: reg 0x14: [mem 0xf7e3c000-0xf7e3cfff] [ 0.481222] pci 0000:00:19.0: reg 0x18: [io 0xf080-0xf09f] [ 0.481269] pci 0000:00:19.0: PME# supported from D0 D3hot D3cold [ 0.481478] pci 0000:00:19.0: System wakeup disabled by ACPI [ 0.481510] pci 0000:00:1b.0: [8086:9c20] type 00 class 0x040300 [ 0.481523] pci 0000:00:1b.0: reg 0x10: [mem 0xf7e30000-0xf7e33fff 64bit] [ 0.481579] pci 0000:00:1b.0: PME# supported from D0 D3hot D3cold [ 0.481622] pci 0000:00:1b.0: System wakeup disabled by ACPI [ 0.481650] pci 0000:00:1c.0: [8086:9c10] type 01 class 0x060400 [ 0.481712] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold [ 0.481725] pci 0000:00:1c.0: Enabling MPC IRBNCE [ 0.481726] pci 0000:00:1c.0: Intel PCH root port ACS workaround enabled [ 0.481789] pci 0000:00:1c.0: System wakeup disabled by ACPI [ 0.481819] pci 0000:00:1c.3: [8086:9c16] type 01 class 0x060400 [ 0.481883] pci 0000:00:1c.3: PME# supported from D0 D3hot D3cold [ 0.481896] pci 0000:00:1c.3: Enabling MPC IRBNCE [ 0.481898] pci 0000:00:1c.3: Intel PCH root port ACS workaround enabled [ 0.481956] pci 0000:00:1c.3: System wakeup disabled by ACPI [ 0.481984] pci 0000:00:1c.4: [8086:9c18] type 01 class 0x060400 [ 0.482047] pci 0000:00:1c.4: PME# supported from D0 D3hot D3cold [ 0.482060] pci 0000:00:1c.4: Enabling MPC IRBNCE [ 0.482061] pci 0000:00:1c.4: Intel PCH root port ACS workaround enabled [ 0.482119] pci 0000:00:1c.4: System wakeup disabled by ACPI [ 0.482150] pci 0000:00:1d.0: [8086:9c26] type 00 class 0x0c0320 [ 0.482165] pci 0000:00:1d.0: reg 0x10: [mem 0xf7e3b000-0xf7e3b3ff] [ 0.482241] pci 0000:00:1d.0: PME# supported from D0 D3hot D3cold [ 0.482283] pci 0000:00:1d.0: System wakeup disabled by ACPI [ 0.482313] pci 0000:00:1f.0: [8086:9c43] type 00 class 0x060100 [ 0.482472] pci 0000:00:1f.2: [8086:9c03] type 00 class 0x010601 [ 0.482482] pci 0000:00:1f.2: reg 0x10: [io 0xf0d0-0xf0d7] [ 0.482487] pci 0000:00:1f.2: reg 0x14: [io 0xf0c0-0xf0c3] [ 0.482493] pci 0000:00:1f.2: reg 0x18: [io 0xf0b0-0xf0b7] [ 0.482498] pci 0000:00:1f.2: reg 0x1c: [io 0xf0a0-0xf0a3] [ 0.482503] pci 0000:00:1f.2: reg 0x20: [io 0xf060-0xf07f] [ 0.482509] pci 0000:00:1f.2: reg 0x24: [mem 0xf7e3a000-0xf7e3a7ff] [ 0.482536] pci 0000:00:1f.2: PME# supported from D3hot [ 0.482597] pci 0000:00:1f.3: [8086:9c22] type 00 class 0x0c0500 [ 0.482608] pci 0000:00:1f.3: reg 0x10: [mem 0xf7e39000-0xf7e390ff 64bit] [ 0.482624] pci 0000:00:1f.3: reg 0x20: [io 0xf040-0xf05f] [ 0.482735] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 0.482853] pci 0000:02:00.0: [8086:08b1] type 00 class 0x028000 [ 0.482884] pci 0000:02:00.0: reg 0x10: [mem 0xf7d00000-0xf7d01fff 64bit] [ 0.483085] pci 0000:02:00.0: PME# supported from D0 D3hot D3cold [ 0.483132] pci 0000:02:00.0: System wakeup disabled by ACPI [ 0.486282] pci 0000:00:1c.3: PCI bridge to [bus 02] [ 0.486286] pci 0000:00:1c.3: bridge window [mem 0xf7d00000-0xf7dfffff] [ 0.488128] pci 0000:03:00.0: [1217:8520] type 00 class 0x080501 [ 0.488149] pci 0000:03:00.0: reg 0x10: [mem 0xf7c01000-0xf7c01fff] [ 0.488161] pci 0000:03:00.0: reg 0x14: [mem 0xf7c00000-0xf7c007ff] [ 0.488296] pci 0000:03:00.0: PME# supported from D3hot D3cold [ 0.488338] pci 0000:03:00.0: System wakeup disabled by ACPI [ 0.493919] pci 0000:00:1c.4: PCI bridge to [bus 03] [ 0.493923] pci 0000:00:1c.4: bridge window [mem 0xf7c00000-0xf7cfffff] [ 0.493940] pci_bus 0000:00: on NUMA node 0 [ 0.495154] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 *11 12 14 15) [ 0.495196] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 10 *11 12 14 15) [ 0.495236] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 11 12 14 15) *0, disabled. [ 0.495276] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 *10 11 12 14 15) [ 0.495316] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 *5 6 10 11 12 14 15) [ 0.495355] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 *10 11 12 14 15) [ 0.495395] ACPI: PCI Interrupt Link [LNKG] (IRQs *3 4 5 6 10 11 12 14 15) [ 0.495434] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 11 12 14 15) *0, disabled. [ 0.505190] ACPI: Enabled 2 GPEs in block 00 to 7F [ 0.505247] ACPI : EC: event unblocked [ 0.505262] ACPI: \_SB_.PCI0.LPCB.ECDV: GPE=0x27, EC_CMD/EC_SC=0x934, EC_DATA=0x930 [ 0.505263] ACPI: \_SB_.PCI0.LPCB.ECDV: Used as boot DSDT EC to handle transactions and events [ 0.505332] vgaarb: setting as boot device: PCI:0000:00:02.0 [ 0.505333] vgaarb: device added: PCI:0000:00:02.0,decodes=io+mem,owns=io+mem,locks=none [ 0.505335] vgaarb: loaded [ 0.505336] vgaarb: bridge control possible 0000:00:02.0 [ 0.505377] SCSI subsystem initialized [ 0.505383] libata version 3.00 loaded. [ 0.505385] ACPI: bus type USB registered [ 0.505483] usbcore: registered new interface driver usbfs [ 0.505489] usbcore: registered new interface driver hub [ 0.505500] usbcore: registered new device driver usb [ 0.505520] Registered efivars operations [ 0.512537] PCI: Using ACPI for IRQ routing [ 0.513684] PCI: pci_cache_line_size set to 64 bytes [ 0.515589] e820: reserve RAM buffer [mem 0x0004f000-0x0004ffff] [ 0.515589] e820: reserve RAM buffer [mem 0x0009f000-0x0009ffff] [ 0.515590] e820: reserve RAM buffer [mem 0xc3aed000-0xc3ffffff] [ 0.515591] e820: reserve RAM buffer [mem 0xc472e000-0xc7ffffff] [ 0.515591] e820: reserve RAM buffer [mem 0xd7db4000-0xd7ffffff] [ 0.515592] e820: reserve RAM buffer [mem 0xd8759000-0xdbffffff] [ 0.515593] e820: reserve RAM buffer [mem 0xd8faa000-0xdbffffff] [ 0.515594] e820: reserve RAM buffer [mem 0xda71c000-0xdbffffff] [ 0.515594] e820: reserve RAM buffer [mem 0xdbceb000-0xdbffffff] [ 0.515595] e820: reserve RAM buffer [mem 0x41ee00000-0x41fffffff] [ 0.515708] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0, 0, 0, 0, 0, 0 [ 0.515712] hpet0: 8 comparators, 64-bit 14.318180 MHz counter [ 0.517731] clocksource: Switched to clocksource hpet [ 0.520264] pnp: PnP ACPI init [ 0.520338] system 00:00: [mem 0xfed40000-0xfed44fff] has been reserved [ 0.520341] system 00:00: Plug and Play ACPI device, IDs PNP0c01 (active) [ 0.520556] system 00:01: [io 0x0680-0x069f] has been reserved [ 0.520557] system 00:01: [io 0xffff] has been reserved [ 0.520558] system 00:01: [io 0xffff] has been reserved [ 0.520559] system 00:01: [io 0xffff] has been reserved [ 0.520560] system 00:01: [io 0x1c00-0x1cfe] has been reserved [ 0.520561] system 00:01: [io 0x1d00-0x1dfe] has been reserved [ 0.520562] system 00:01: [io 0x1e00-0x1efe] has been reserved [ 0.520563] system 00:01: [io 0x1f00-0x1ffe] has been reserved [ 0.520564] system 00:01: [io 0x1800-0x18fe] has been reserved [ 0.520565] system 00:01: [io 0x164e-0x164f] has been reserved [ 0.520566] system 00:01: Plug and Play ACPI device, IDs PNP0c02 (active) [ 0.520584] pnp 00:02: Plug and Play ACPI device, IDs PNP0b00 (active) [ 0.520616] system 00:03: [io 0x1854-0x1857] has been reserved [ 0.520618] system 00:03: Plug and Play ACPI device, IDs INT3f0d PNP0c02 (active) [ 0.520649] system 00:04: [io 0x04d0-0x04d1] has been reserved [ 0.520650] system 00:04: Plug and Play ACPI device, IDs PNP0c02 (active) [ 0.520673] pnp 00:05: Plug and Play ACPI device, IDs PNP0303 (active) [ 0.520689] pnp 00:06: Plug and Play ACPI device, IDs DLL05cb PNP0f13 (active) [ 0.521238] pnp 00:07: Plug and Play ACPI device, IDs PNP0401 (disabled) [ 0.521461] system 00:08: Plug and Play ACPI device, IDs PNP0c02 (active) [ 0.521657] system 00:09: [mem 0xfed1c000-0xfed1ffff] has been reserved [ 0.521659] system 00:09: [mem 0xfed10000-0xfed17fff] has been reserved [ 0.521660] system 00:09: [mem 0xfed18000-0xfed18fff] has been reserved [ 0.521661] system 00:09: [mem 0xfed19000-0xfed19fff] has been reserved [ 0.521662] system 00:09: [mem 0xf8000000-0xfbffffff] has been reserved [ 0.521663] system 00:09: [mem 0xfed20000-0xfed3ffff] has been reserved [ 0.521664] system 00:09: [mem 0xfed90000-0xfed93fff] could not be reserved [ 0.521665] system 00:09: [mem 0xfed45000-0xfed8ffff] has been reserved [ 0.521666] system 00:09: [mem 0xff000000-0xffffffff] has been reserved [ 0.521667] system 00:09: [mem 0xfee00000-0xfeefffff] could not be reserved [ 0.521668] system 00:09: [mem 0xf7fdf000-0xf7fdffff] has been reserved [ 0.521669] system 00:09: [mem 0xf7fe0000-0xf7feffff] has been reserved [ 0.521670] system 00:09: Plug and Play ACPI device, IDs PNP0c02 (active) [ 0.522968] pnp: PnP ACPI: found 10 devices [ 0.528736] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 0.528761] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 0.528772] pci 0000:00:1c.3: PCI bridge to [bus 02] [ 0.528776] pci 0000:00:1c.3: bridge window [mem 0xf7d00000-0xf7dfffff] [ 0.528782] pci 0000:00:1c.4: PCI bridge to [bus 03] [ 0.528786] pci 0000:00:1c.4: bridge window [mem 0xf7c00000-0xf7cfffff] [ 0.528792] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 0.528793] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 0.528794] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 0.528795] pci_bus 0000:00: resource 7 [mem 0x000d0000-0x000d3fff window] [ 0.528796] pci_bus 0000:00: resource 8 [mem 0x000d4000-0x000d7fff window] [ 0.528797] pci_bus 0000:00: resource 9 [mem 0x000d8000-0x000dbfff window] [ 0.528798] pci_bus 0000:00: resource 10 [mem 0x000dc000-0x000dffff window] [ 0.528799] pci_bus 0000:00: resource 11 [mem 0xdf200000-0xfeafffff window] [ 0.528800] pci_bus 0000:02: resource 1 [mem 0xf7d00000-0xf7dfffff] [ 0.528801] pci_bus 0000:03: resource 1 [mem 0xf7c00000-0xf7cfffff] [ 0.528887] NET: Registered protocol family 2 [ 0.528985] TCP established hash table entries: 131072 (order: 8, 1048576 bytes) [ 0.529111] TCP bind hash table entries: 65536 (order: 8, 1048576 bytes) [ 0.529210] TCP: Hash tables configured (established 131072 bind 65536) [ 0.529224] UDP hash table entries: 8192 (order: 6, 262144 bytes) [ 0.529253] UDP-Lite hash table entries: 8192 (order: 6, 262144 bytes) [ 0.529302] NET: Registered protocol family 1 [ 0.529312] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 0.531451] PCI: CLS 64 bytes, default 64 [ 0.531486] Trying to unpack rootfs image as initramfs... [ 0.773767] Freeing initrd memory: 15412K (ffff8800361d6000 - ffff8800370e3000) [ 0.773786] DMAR: No ATSR found [ 0.774079] DMAR: dmar0: Using Queued invalidation [ 0.774086] DMAR: dmar1: Using Queued invalidation [ 0.774132] DMAR: Setting RMRR: [ 0.774160] DMAR: Setting identity map for device 0000:00:02.0 [0xdd000000 - 0xdf1fffff] [ 0.774380] DMAR: Setting identity map for device 0000:00:14.0 [0xd7f19000 - 0xd7f27fff] [ 0.774413] DMAR: Setting identity map for device 0000:00:1d.0 [0xd7f19000 - 0xd7f27fff] [ 0.774427] DMAR: Prepare 0-16MiB unity mapping for LPC [ 0.774444] DMAR: Setting identity map for device 0000:00:1f.0 [0x0 - 0xffffff] [ 0.774576] DMAR: Intel(R) Virtualization Technology for Directed I/O [ 0.774621] iommu: Adding device 0000:00:00.0 to group 0 [ 0.774629] iommu: Adding device 0000:00:02.0 to group 1 [ 0.774636] iommu: Adding device 0000:00:03.0 to group 2 [ 0.774642] iommu: Adding device 0000:00:14.0 to group 3 [ 0.774651] iommu: Adding device 0000:00:16.0 to group 4 [ 0.774657] iommu: Adding device 0000:00:19.0 to group 5 [ 0.774664] iommu: Adding device 0000:00:1b.0 to group 6 [ 0.774671] iommu: Adding device 0000:00:1c.0 to group 7 [ 0.774678] iommu: Adding device 0000:00:1c.3 to group 8 [ 0.774684] iommu: Adding device 0000:00:1c.4 to group 9 [ 0.774691] iommu: Adding device 0000:00:1d.0 to group 10 [ 0.774703] iommu: Adding device 0000:00:1f.0 to group 11 [ 0.774709] iommu: Adding device 0000:00:1f.2 to group 11 [ 0.774716] iommu: Adding device 0000:00:1f.3 to group 11 [ 0.774722] iommu: Adding device 0000:02:00.0 to group 12 [ 0.774728] iommu: Adding device 0000:03:00.0 to group 13 [ 0.775914] RAPL PMU: API unit is 2^-32 Joules, 4 fixed counters, 655360 ms ovfl timer [ 0.775915] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules [ 0.775915] RAPL PMU: hw unit of domain package 2^-14 Joules [ 0.775916] RAPL PMU: hw unit of domain dram 2^-14 Joules [ 0.775916] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules [ 0.776045] Scanning for low memory corruption every 60 seconds [ 0.776203] futex hash table entries: 1024 (order: 4, 65536 bytes) [ 0.776216] audit: initializing netlink subsys (disabled) [ 0.776226] audit: type=2000 audit(1479077564.763:1): initialized [ 0.776420] workingset: timestamp_bits=46 max_order=22 bucket_order=0 [ 0.778351] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 252) [ 0.778352] io scheduler noop registered [ 0.778388] io scheduler bfq registered (default) [ 0.778388] BFQ I/O-scheduler: v8r5 [ 0.778767] pci_hotplug: PCI Hot Plug PCI Core version: 0.5 [ 0.778768] intel_idle: MWAIT substates: 0x11142120 [ 0.778769] intel_idle: v0.4.1 model 0x45 [ 0.778934] intel_idle: lapic_timer_reliable_states 0xffffffff [ 0.779012] GHES: HEST is not enabled! [ 0.779048] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 0.780737] brd: module loaded [ 0.781460] loop: module loaded [ 0.781494] ahci 0000:00:1f.2: version 3.0 [ 0.781581] ahci 0000:00:1f.2: SSS flag set, parallel bus scan disabled [ 0.791673] ahci 0000:00:1f.2: AHCI 0001.0300 32 slots 4 ports 6 Gbps 0xb impl SATA mode [ 0.791675] ahci 0000:00:1f.2: flags: 64bit ncq stag led clo only pio slum part sxs deso sadm sds apst [ 0.792227] scsi host0: ahci [ 0.792427] scsi host1: ahci [ 0.792558] scsi host2: ahci [ 0.792615] scsi host3: ahci [ 0.792643] ata1: SATA max UDMA/133 abar m2048@0xf7e3a000 port 0xf7e3a100 irq 19 [ 0.792644] ata2: SATA max UDMA/133 abar m2048@0xf7e3a000 port 0xf7e3a180 irq 19 [ 0.792645] ata3: DUMMY [ 0.792646] ata4: SATA max UDMA/133 abar m2048@0xf7e3a000 port 0xf7e3a280 irq 19 [ 0.792674] usbcore: registered new interface driver usb-storage [ 0.792699] i8042: PNP: PS/2 Controller [PNP0303:PS2K,PNP0f13:PS2M] at 0x60,0x64 irq 1,12 [ 0.793354] i8042: Warning: Keylock active [ 0.795691] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 0.795713] serio: i8042 AUX port at 0x60,0x64 irq 12 [ 0.795803] mousedev: PS/2 mouse device common for all mice [ 0.795844] rtc_cmos 00:02: RTC can wake from S4 [ 0.795985] rtc_cmos 00:02: rtc core: registered rtc_cmos as rtc0 [ 0.796020] rtc_cmos 00:02: alarms up to one month, y3k, 242 bytes nvram, hpet irqs [ 0.796115] device-mapper: ioctl: 4.35.0-ioctl (2016-06-23) initialised: dm-devel@redhat.com [ 0.796120] intel_pstate: Intel P-state driver initializing [ 0.796259] EFI Variables Facility v0.08 2004-May-17 [ 0.797188] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input0 [ 0.806420] pstore: using zlib compression [ 0.806421] pstore: Registered efi as persistent store backend [ 0.806429] hidraw: raw HID events driver (C) Jiri Kosina [ 0.806481] usbcore: registered new interface driver usbhid [ 0.806481] usbhid: USB HID core driver [ 0.806522] Netfilter messages via NETLINK v0.30. [ 0.806631] NET: Registered protocol family 10 [ 0.806788] ip6_tables: (C) 2000-2006 Netfilter Core Team [ 0.806800] sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver [ 0.806889] NET: Registered protocol family 17 [ 0.806893] Key type dns_resolver registered [ 0.807130] registered taskstats version 1 [ 0.807383] Btrfs loaded, crc32c=crc32c-intel [ 0.809512] rtc_cmos 00:02: setting system clock to 2016-11-13 22:52:45 UTC (1479077565) [ 1.097011] ata1: SATA link down (SStatus 0 SControl 300) [ 1.407904] ata2: SATA link up 6.0 Gbps (SStatus 133 SControl 300) [ 1.409866] ata2.00: supports DRM functions and may not be fully accessible [ 1.410300] ata2.00: NCQ Send/Recv Log not supported [ 1.410301] ata2.00: ATA-9: Samsung SSD 840 EVO 250GB mSATA, EXT42B6Q, max UDMA/133 [ 1.410303] ata2.00: 488397168 sectors, multi 1: LBA48 NCQ (depth 31/32), AA [ 1.410701] ata2.00: supports DRM functions and may not be fully accessible [ 1.411077] ata2.00: NCQ Send/Recv Log not supported [ 1.411108] ata2.00: configured for UDMA/133 [ 1.411267] scsi 1:0:0:0: Direct-Access ATA Samsung SSD 840 2B6Q PQ: 0 ANSI: 5 [ 1.424945] sd 1:0:0:0: [sda] 488397168 512-byte logical blocks: (250 GB/233 GiB) [ 1.425109] sd 1:0:0:0: [sda] Write Protect is off [ 1.425111] sd 1:0:0:0: [sda] Mode Sense: 00 3a 00 00 [ 1.425135] sd 1:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [ 1.426544] sda: sda1 sda2 [ 1.427272] sd 1:0:0:0: [sda] Attached SCSI disk [ 1.736999] ata4: SATA link up 6.0 Gbps (SStatus 133 SControl 300) [ 1.739014] ata4.00: supports DRM functions and may not be fully accessible [ 1.739440] ata4.00: NCQ Send/Recv Log not supported [ 1.739442] ata4.00: ATA-9: Samsung SSD 840 EVO 250GB mSATA, EXT41B6Q, max UDMA/133 [ 1.739444] ata4.00: 488397168 sectors, multi 1: LBA48 NCQ (depth 31/32), AA [ 1.739859] ata4.00: supports DRM functions and may not be fully accessible [ 1.740204] ata4.00: NCQ Send/Recv Log not supported [ 1.740234] ata4.00: configured for UDMA/133 [ 1.740374] scsi 3:0:0:0: Direct-Access ATA Samsung SSD 840 1B6Q PQ: 0 ANSI: 5 [ 1.753944] sd 3:0:0:0: [sdb] 488397168 512-byte logical blocks: (250 GB/233 GiB) [ 1.754164] sd 3:0:0:0: [sdb] Write Protect is off [ 1.754177] sd 3:0:0:0: [sdb] Mode Sense: 00 3a 00 00 [ 1.754279] sd 3:0:0:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [ 1.756868] sdb: sdb1 sdb2 sdb3 sdb4 [ 1.757221] sd 3:0:0:0: [sdb] Attached SCSI disk [ 1.757717] Freeing unused kernel memory: 984K (ffffffff81ad3000 - ffffffff81bc9000) [ 1.757718] Write protecting the kernel read-only data: 10240k [ 1.758025] Freeing unused kernel memory: 1808K (ffff88000263c000 - ffff880002800000) [ 1.758325] Freeing unused kernel memory: 148K (ffff8800029db000 - ffff880002a00000) [ 1.779503] random: systemd: uninitialized urandom read (16 bytes read) [ 1.779655] random: systemd: uninitialized urandom read (16 bytes read) [ 1.779924] systemd[1]: systemd 226 running in system mode. (+PAM -AUDIT -SELINUX +IMA -APPARMOR +SMACK -SYSVINIT +UTMP +LIBCRYPTSETUP -GCRYPT -GNUTLS +ACL -XZ +LZ4 +SECCOMP +BLKID -ELFUTILS +KMOD +IDN) [ 1.780019] systemd[1]: Detected architecture x86-64. [ 1.780020] systemd[1]: Running in initial RAM disk. [ 1.780030] systemd[1]: Set hostname to . [ 1.782561] random: systemd-cryptse: uninitialized urandom read (16 bytes read) [ 1.803583] random: systemd: uninitialized urandom read (16 bytes read) [ 1.803629] random: systemd: uninitialized urandom read (16 bytes read) [ 1.803653] random: systemd: uninitialized urandom read (16 bytes read) [ 1.803692] random: systemd: uninitialized urandom read (16 bytes read) [ 1.804150] random: systemd: uninitialized urandom read (16 bytes read) [ 1.804268] random: systemd: uninitialized urandom read (16 bytes read) [ 1.804557] random: systemd: uninitialized urandom read (16 bytes read) [ 1.807458] systemd[1]: Listening on udev Kernel Socket. [ 1.807647] systemd[1]: Created slice System Slice. [ 1.807660] systemd[1]: Reached target Slices. [ 1.807686] systemd[1]: Listening on udev Control Socket. [ 1.807711] systemd[1]: Listening on Journal Socket. [ 1.808040] systemd[1]: Starting dracut cmdline hook... [ 1.834745] tsc: Refined TSC clocksource calibration: 2494.229 MHz [ 1.834753] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x23f3ee0e5b2, max_idle_ns: 440795273767 ns [ 1.891381] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0D:00/input/input2 [ 1.891874] ACPI: Lid Switch [LID0] [ 1.891917] input: Power Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0C:00/input/input3 [ 1.891950] ACPI: Power Button [PBTN] [ 1.892000] input: Sleep Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0E:00/input/input4 [ 1.892032] ACPI: Sleep Button [SBTN] [ 1.892080] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input5 [ 1.892113] ACPI: Power Button [PWRF] [ 1.907597] Linux agpgart interface v0.103 [ 1.907796] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 1.907804] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1 [ 1.908701] [drm] Initialized [ 1.908900] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0004b810 [ 1.908907] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported [ 1.908974] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 1.909111] ehci-pci: EHCI PCI platform driver [ 1.909156] hub 1-0:1.0: USB hub found [ 1.909167] hub 1-0:1.0: 9 ports detected [ 1.910374] sdhci: Secure Digital Host Controller Interface driver [ 1.910376] sdhci: Copyright(c) Pierre Ossman [ 1.910541] sdhci-pci 0000:03:00.0: SDHCI controller found [1217:8520] (rev 1) [ 1.913596] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 1.913601] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2 [ 1.914098] hub 2-0:1.0: USB hub found [ 1.914106] hub 2-0:1.0: 4 ports detected [ 1.915329] Setting dangerous option enable_rc6 - tainting kernel [ 1.915332] Setting dangerous option enable_fbc - tainting kernel [ 1.915333] Setting dangerous option enable_psr - tainting kernel [ 1.917959] ehci-pci 0000:00:1d.0: EHCI Host Controller [ 1.917965] ehci-pci 0000:00:1d.0: new USB bus registered, assigned bus number 3 [ 1.917976] ehci-pci 0000:00:1d.0: debug port 2 [ 1.921895] ehci-pci 0000:00:1d.0: cache line size of 64 is not supported [ 1.921913] ehci-pci 0000:00:1d.0: irq 21, io mem 0xf7e3b000 [ 1.924084] mmc0: Unknown controller version (3). You may experience problems. [ 1.927755] mmc0: SDHCI controller on PCI [0000:03:00.0] using ADMA [ 1.929812] ehci-pci 0000:00:1d.0: USB 2.0 started, EHCI 1.00 [ 1.930078] hub 3-0:1.0: USB hub found [ 1.930085] hub 3-0:1.0: 2 ports detected [ 1.930473] [drm] Memory usable by graphics device = 2048M [ 1.930473] [drm] VT-d active for gfx access [ 1.930474] [drm] Replacing VGA console driver [ 1.930625] [drm] DMAR active, disabling use of stolen memory [ 1.935818] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013). [ 1.935819] [drm] Driver supports precise vblank timestamp query. [ 1.937934] vgaarb: device changed decodes: PCI:0000:00:02.0,olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 1.949965] ACPI: Video Device [GFX0] (multi-head: yes rom: no post: no) [ 1.952159] input: Video Bus as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/LNXVIDEO:00/input/input6 [ 1.953357] [drm] Initialized i915 1.6.0 20160919 for 0000:00:02.0 on minor 0 [ 1.954889] ------------[ cut here ]------------ [ 1.954929] WARNING: CPU: 0 PID: 38 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.954930] WARN_ON(!msg->buffer != !msg->size) [ 1.954931] Modules linked in: [ 1.954932] crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button [ 1.954950] CPU: 0 PID: 38 Comm: kworker/0:1 Tainted: G U 4.9.0-rc5-bfq-gentoo+ #20 [ 1.954951] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016 [ 1.954985] Workqueue: events i915_hotplug_work_func [i915] [ 1.954987] ffffc90000167b98 ffffffff8137adfb ffffc90000167be8 0000000000000000 [ 1.954990] ffffc90000167bd8 ffffffff810523cc 00000426607500e1 ffffc90000167ca8 [ 1.954993] ffff880407a800e0 0000000000000003 0000000000000000 ffff880407a80158 [ 1.954996] Call Trace: [ 1.955001] [] dump_stack+0x4d/0x72 [ 1.955004] [] __warn+0xcc/0xf0 [ 1.955006] [] warn_slowpath_fmt+0x4a/0x50 [ 1.955037] [] ? intel_dp_aux_transfer+0xcc/0x220 [i915] [ 1.955063] [] intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.955068] [] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper] [ 1.955071] [] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper] [ 1.955098] [] intel_dp_start_link_train+0x2a8/0x4c0 [i915] [ 1.955122] [] intel_dp_check_link_status+0xb6/0xf0 [i915] [ 1.955147] [] intel_dp_detect+0x72b/0xbb0 [i915] [ 1.955177] [] i915_hotplug_work_func+0x1df/0x2b0 [i915] [ 1.955180] [] process_one_work+0x140/0x3e0 [ 1.955181] [] worker_thread+0x49/0x480 [ 1.955183] [] ? process_one_work+0x3e0/0x3e0 [ 1.955185] [] ? process_one_work+0x3e0/0x3e0 [ 1.955187] [] kthread+0xc5/0xe0 [ 1.955188] [] ? kthread_park+0x60/0x60 [ 1.955191] [] ret_from_fork+0x22/0x30 [ 1.955193] ---[ end trace 60f064180c1be639 ]--- [ 1.956593] ------------[ cut here ]------------ [ 1.956632] WARNING: CPU: 0 PID: 38 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.956644] WARN_ON(!msg->buffer != !msg->size) [ 1.956645] Modules linked in: [ 1.956646] crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button [ 1.956663] CPU: 0 PID: 38 Comm: kworker/0:1 Tainted: G U W 4.9.0-rc5-bfq-gentoo+ #20 [ 1.956664] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016 [ 1.956695] Workqueue: events i915_hotplug_work_func [i915] [ 1.956697] ffffc90000167b98 ffffffff8137adfb ffffc90000167be8 0000000000000000 [ 1.956700] ffffc90000167bd8 ffffffff810523cc 0000042600000001 ffffc90000167ca8 [ 1.956703] ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb [ 1.956705] Call Trace: [ 1.956710] [] dump_stack+0x4d/0x72 [ 1.956713] [] __warn+0xcc/0xf0 [ 1.956715] [] warn_slowpath_fmt+0x4a/0x50 [ 1.956718] [] ? hrtimer_init+0x100/0x100 [ 1.956749] [] intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.956753] [] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper] [ 1.956757] [] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper] [ 1.956785] [] intel_dp_start_link_train+0x2a8/0x4c0 [i915] [ 1.956811] [] intel_dp_check_link_status+0xb6/0xf0 [i915] [ 1.956836] [] intel_dp_detect+0x72b/0xbb0 [i915] [ 1.956866] [] i915_hotplug_work_func+0x1df/0x2b0 [i915] [ 1.956869] [] process_one_work+0x140/0x3e0 [ 1.956871] [] worker_thread+0x49/0x480 [ 1.956873] [] ? process_one_work+0x3e0/0x3e0 [ 1.956875] [] ? process_one_work+0x3e0/0x3e0 [ 1.956877] [] kthread+0xc5/0xe0 [ 1.956879] [] ? kthread_park+0x60/0x60 [ 1.956882] [] ret_from_fork+0x22/0x30 [ 1.956909] ---[ end trace 60f064180c1be63a ]--- [ 1.958263] ------------[ cut here ]------------ [ 1.958300] WARNING: CPU: 0 PID: 38 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.958301] WARN_ON(!msg->buffer != !msg->size) [ 1.958301] Modules linked in: [ 1.958302] crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button [ 1.958319] CPU: 0 PID: 38 Comm: kworker/0:1 Tainted: G U W 4.9.0-rc5-bfq-gentoo+ #20 [ 1.958320] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016 [ 1.958353] Workqueue: events i915_hotplug_work_func [i915] [ 1.958355] ffffc90000167b98 ffffffff8137adfb ffffc90000167be8 0000000000000000 [ 1.958358] ffffc90000167bd8 ffffffff810523cc 0000042600000001 ffffc90000167ca8 [ 1.958361] ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb [ 1.958364] Call Trace: [ 1.958369] [] dump_stack+0x4d/0x72 [ 1.958372] [] __warn+0xcc/0xf0 [ 1.958374] [] warn_slowpath_fmt+0x4a/0x50 [ 1.958377] [] ? hrtimer_init+0x100/0x100 [ 1.958407] [] intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.958412] [] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper] [ 1.958415] [] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper] [ 1.958441] [] intel_dp_start_link_train+0x2a8/0x4c0 [i915] [ 1.958466] [] intel_dp_check_link_status+0xb6/0xf0 [i915] [ 1.958490] [] intel_dp_detect+0x72b/0xbb0 [i915] [ 1.958520] [] i915_hotplug_work_func+0x1df/0x2b0 [i915] [ 1.958523] [] process_one_work+0x140/0x3e0 [ 1.958525] [] worker_thread+0x49/0x480 [ 1.958527] [] ? process_one_work+0x3e0/0x3e0 [ 1.958529] [] ? process_one_work+0x3e0/0x3e0 [ 1.958531] [] kthread+0xc5/0xe0 [ 1.958533] [] ? kthread_park+0x60/0x60 [ 1.958536] [] ret_from_fork+0x22/0x30 [ 1.958538] ---[ end trace 60f064180c1be63b ]--- [ 1.959454] ------------[ cut here ]------------ [ 1.959488] WARNING: CPU: 0 PID: 38 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.959489] WARN_ON(!msg->buffer != !msg->size) [ 1.959490] Modules linked in: [ 1.959490] crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button [ 1.959505] CPU: 0 PID: 38 Comm: kworker/0:1 Tainted: G U W 4.9.0-rc5-bfq-gentoo+ #20 [ 1.959506] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016 [ 1.959536] Workqueue: events i915_hotplug_work_func [i915] [ 1.959538] ffffc90000167b98 ffffffff8137adfb ffffc90000167be8 0000000000000000 [ 1.959541] ffffc90000167bd8 ffffffff810523cc 0000042600000001 ffffc90000167ca8 [ 1.959544] ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb [ 1.959546] Call Trace: [ 1.959550] [] dump_stack+0x4d/0x72 [ 1.959552] [] __warn+0xcc/0xf0 [ 1.959554] [] warn_slowpath_fmt+0x4a/0x50 [ 1.959557] [] ? hrtimer_init+0x100/0x100 [ 1.959587] [] intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.959592] [] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper] [ 1.959595] [] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper] [ 1.959622] [] intel_dp_start_link_train+0x2a8/0x4c0 [i915] [ 1.959648] [] intel_dp_check_link_status+0xb6/0xf0 [i915] [ 1.959673] [] intel_dp_detect+0x72b/0xbb0 [i915] [ 1.959701] [] i915_hotplug_work_func+0x1df/0x2b0 [i915] [ 1.959704] [] process_one_work+0x140/0x3e0 [ 1.959706] [] worker_thread+0x49/0x480 [ 1.959708] [] ? process_one_work+0x3e0/0x3e0 [ 1.959709] [] ? process_one_work+0x3e0/0x3e0 [ 1.959711] [] kthread+0xc5/0xe0 [ 1.959712] [] ? kthread_park+0x60/0x60 [ 1.959715] [] ret_from_fork+0x22/0x30 [ 1.959748] ---[ end trace 60f064180c1be63c ]--- [ 1.961052] ------------[ cut here ]------------ [ 1.961089] WARNING: CPU: 0 PID: 38 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.961090] WARN_ON(!msg->buffer != !msg->size) [ 1.961091] Modules linked in: [ 1.961092] crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button [ 1.961107] CPU: 0 PID: 38 Comm: kworker/0:1 Tainted: G U W 4.9.0-rc5-bfq-gentoo+ #20 [ 1.961108] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016 [ 1.961141] Workqueue: events i915_hotplug_work_func [i915] [ 1.961143] ffffc90000167b98 ffffffff8137adfb ffffc90000167be8 0000000000000000 [ 1.961146] ffffc90000167bd8 ffffffff810523cc 0000042600000001 ffffc90000167ca8 [ 1.961148] ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb [ 1.961151] Call Trace: [ 1.961155] [] dump_stack+0x4d/0x72 [ 1.961158] [] __warn+0xcc/0xf0 [ 1.961160] [] warn_slowpath_fmt+0x4a/0x50 [ 1.961163] [] ? hrtimer_init+0x100/0x100 [ 1.961194] [] intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.961199] [] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper] [ 1.961202] [] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper] [ 1.961228] [] intel_dp_start_link_train+0x2a8/0x4c0 [i915] [ 1.961252] [] intel_dp_check_link_status+0xb6/0xf0 [i915] [ 1.961275] [] intel_dp_detect+0x72b/0xbb0 [i915] [ 1.961299] [] i915_hotplug_work_func+0x1df/0x2b0 [i915] [ 1.961301] [] process_one_work+0x140/0x3e0 [ 1.961303] [] worker_thread+0x49/0x480 [ 1.961304] [] ? process_one_work+0x3e0/0x3e0 [ 1.961306] [] ? process_one_work+0x3e0/0x3e0 [ 1.961307] [] kthread+0xc5/0xe0 [ 1.961308] [] ? kthread_park+0x60/0x60 [ 1.961310] [] ret_from_fork+0x22/0x30 [ 1.961311] ---[ end trace 60f064180c1be63d ]--- [ 1.961438] random: fast init done [ 1.962348] ------------[ cut here ]------------ [ 1.962386] WARNING: CPU: 0 PID: 38 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.962387] WARN_ON(!msg->buffer != !msg->size) [ 1.962388] Modules linked in: [ 1.962389] crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button [ 1.962406] CPU: 0 PID: 38 Comm: kworker/0:1 Tainted: G U W 4.9.0-rc5-bfq-gentoo+ #20 [ 1.962407] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016 [ 1.962440] Workqueue: events i915_hotplug_work_func [i915] [ 1.962441] ffffc90000167b98 ffffffff8137adfb ffffc90000167be8 0000000000000000 [ 1.962443] ffffc90000167bd8 ffffffff810523cc 0000042600000001 ffffc90000167ca8 [ 1.962445] ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb [ 1.962447] Call Trace: [ 1.962451] [] dump_stack+0x4d/0x72 [ 1.962453] [] __warn+0xcc/0xf0 [ 1.962454] [] warn_slowpath_fmt+0x4a/0x50 [ 1.962456] [] ? hrtimer_init+0x100/0x100 [ 1.962478] [] intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.962481] [] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper] [ 1.962483] [] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper] [ 1.962502] [] intel_dp_start_link_train+0x2a8/0x4c0 [i915] [ 1.962519] [] intel_dp_check_link_status+0xb6/0xf0 [i915] [ 1.962536] [] intel_dp_detect+0x72b/0xbb0 [i915] [ 1.962556] [] i915_hotplug_work_func+0x1df/0x2b0 [i915] [ 1.962558] [] process_one_work+0x140/0x3e0 [ 1.962560] [] worker_thread+0x49/0x480 [ 1.962561] [] ? process_one_work+0x3e0/0x3e0 [ 1.962562] [] ? process_one_work+0x3e0/0x3e0 [ 1.962563] [] kthread+0xc5/0xe0 [ 1.962564] [] ? kthread_park+0x60/0x60 [ 1.962567] [] ret_from_fork+0x22/0x30 [ 1.962568] ---[ end trace 60f064180c1be63e ]--- [ 1.963306] ------------[ cut here ]------------ [ 1.963334] WARNING: CPU: 0 PID: 38 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.963334] WARN_ON(!msg->buffer != !msg->size) [ 1.963335] Modules linked in: [ 1.963335] crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button [ 1.963347] CPU: 0 PID: 38 Comm: kworker/0:1 Tainted: G U W 4.9.0-rc5-bfq-gentoo+ #20 [ 1.963348] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016 [ 1.963372] Workqueue: events i915_hotplug_work_func [i915] [ 1.963373] ffffc90000167b98 ffffffff8137adfb ffffc90000167be8 0000000000000000 [ 1.963375] ffffc90000167bd8 ffffffff810523cc 0000042600000001 ffffc90000167ca8 [ 1.963377] ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb [ 1.963379] Call Trace: [ 1.963382] [] dump_stack+0x4d/0x72 [ 1.963385] [] __warn+0xcc/0xf0 [ 1.963386] [] warn_slowpath_fmt+0x4a/0x50 [ 1.963388] [] ? hrtimer_init+0x100/0x100 [ 1.963411] [] intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.963414] [] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper] [ 1.963416] [] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper] [ 1.963439] [] intel_dp_start_link_train+0x2a8/0x4c0 [i915] [ 1.963461] [] intel_dp_check_link_status+0xb6/0xf0 [i915] [ 1.963484] [] intel_dp_detect+0x72b/0xbb0 [i915] [ 1.963512] [] i915_hotplug_work_func+0x1df/0x2b0 [i915] [ 1.963515] [] process_one_work+0x140/0x3e0 [ 1.963517] [] worker_thread+0x49/0x480 [ 1.963519] [] ? process_one_work+0x3e0/0x3e0 [ 1.963521] [] ? process_one_work+0x3e0/0x3e0 [ 1.963522] [] kthread+0xc5/0xe0 [ 1.963524] [] ? kthread_park+0x60/0x60 [ 1.963527] [] ret_from_fork+0x22/0x30 [ 1.963528] ---[ end trace 60f064180c1be63f ]--- [ 1.964267] ------------[ cut here ]------------ [ 1.964301] WARNING: CPU: 0 PID: 38 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.964302] WARN_ON(!msg->buffer != !msg->size) [ 1.964302] Modules linked in: [ 1.964303] crc32_pclmul i915 fbcon bitblit [ 1.964306] softcursor [ 1.964307] font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button [ 1.964321] CPU: 0 PID: 38 Comm: kworker/0:1 Tainted: G U W 4.9.0-rc5-bfq-gentoo+ #20 [ 1.964321] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016 [ 1.964352] Workqueue: events i915_hotplug_work_func [i915] [ 1.964353] ffffc90000167b98 ffffffff8137adfb ffffc90000167be8 0000000000000000 [ 1.964355] ffffc90000167bd8 [ 1.964357] ffffffff810523cc [ 1.964357] 0000042600000001 ffffc90000167ca8 [ 1.964359] ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb [ 1.964361] Call Trace: [ 1.964366] [] dump_stack+0x4d/0x72 [ 1.964369] [] __warn+0xcc/0xf0 [ 1.964371] [] warn_slowpath_fmt+0x4a/0x50 [ 1.964374] [] ? hrtimer_init+0x100/0x100 [ 1.964402] [] intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.964405] [] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper] [ 1.964409] [] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper] [ 1.964434] [] intel_dp_start_link_train+0x2a8/0x4c0 [i915] [ 1.964455] [] intel_dp_check_link_status+0xb6/0xf0 [i915] [ 1.964478] [] intel_dp_detect+0x72b/0xbb0 [i915] [ 1.964504] [] i915_hotplug_work_func+0x1df/0x2b0 [i915] [ 1.964507] [] process_one_work+0x140/0x3e0 [ 1.964509] [] worker_thread+0x49/0x480 [ 1.964511] [] ? process_one_work+0x3e0/0x3e0 [ 1.964513] [] ? process_one_work+0x3e0/0x3e0 [ 1.964514] [] kthread+0xc5/0xe0 [ 1.964516] [] ? kthread_park+0x60/0x60 [ 1.964519] [] ret_from_fork+0x22/0x30 [ 1.964521] ---[ end trace 60f064180c1be640 ]--- [ 1.965259] ------------[ cut here ]------------ [ 1.965284] WARNING: CPU: 0 PID: 38 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.965285] WARN_ON(!msg->buffer != !msg->size) [ 1.965286] Modules linked in: [ 1.965286] crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button [ 1.965297] CPU: 0 PID: 38 Comm: kworker/0:1 Tainted: G U W 4.9.0-rc5-bfq-gentoo+ #20 [ 1.965297] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016 [ 1.965321] Workqueue: events i915_hotplug_work_func [i915] [ 1.965323] ffffc90000167b98 ffffffff8137adfb ffffc90000167be8 0000000000000000 [ 1.965325] ffffc90000167bd8 ffffffff810523cc 0000042600000001 ffffc90000167ca8 [ 1.965326] ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb [ 1.965328] Call Trace: [ 1.965331] [] dump_stack+0x4d/0x72 [ 1.965333] [] __warn+0xcc/0xf0 [ 1.965335] [] warn_slowpath_fmt+0x4a/0x50 [ 1.965337] [] ? hrtimer_init+0x100/0x100 [ 1.965360] [] intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.965362] [] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper] [ 1.965365] [] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper] [ 1.965387] [] intel_dp_start_link_train+0x2a8/0x4c0 [i915] [ 1.965410] [] intel_dp_check_link_status+0xb6/0xf0 [i915] [ 1.965433] [] intel_dp_detect+0x72b/0xbb0 [i915] [ 1.965456] [] i915_hotplug_work_func+0x1df/0x2b0 [i915] [ 1.965458] [] process_one_work+0x140/0x3e0 [ 1.965459] [] worker_thread+0x49/0x480 [ 1.965461] [] ? process_one_work+0x3e0/0x3e0 [ 1.965462] [] ? process_one_work+0x3e0/0x3e0 [ 1.965463] [] kthread+0xc5/0xe0 [ 1.965464] [] ? kthread_park+0x60/0x60 [ 1.965466] [] ret_from_fork+0x22/0x30 [ 1.965467] ---[ end trace 60f064180c1be641 ]--- [ 1.966361] ------------[ cut here ]------------ [ 1.966395] WARNING: CPU: 0 PID: 38 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.966408] WARN_ON(!msg->buffer != !msg->size) [ 1.966408] Modules linked in: [ 1.966409] crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button [ 1.966425] CPU: 0 PID: 38 Comm: kworker/0:1 Tainted: G U W 4.9.0-rc5-bfq-gentoo+ #20 [ 1.966426] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016 [ 1.966459] Workqueue: events i915_hotplug_work_func [i915] [ 1.966460] ffffc90000167b98 ffffffff8137adfb ffffc90000167be8 0000000000000000 [ 1.966463] ffffc90000167bd8 ffffffff810523cc 0000042600000001 ffffc90000167ca8 [ 1.966466] ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb [ 1.966469] Call Trace: [ 1.966473] [] dump_stack+0x4d/0x72 [ 1.966475] [] __warn+0xcc/0xf0 [ 1.966477] [] warn_slowpath_fmt+0x4a/0x50 [ 1.966480] [] ? hrtimer_init+0x100/0x100 [ 1.966510] [] intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.966514] [] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper] [ 1.966517] [] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper] [ 1.966544] [] intel_dp_start_link_train+0x2a8/0x4c0 [i915] [ 1.966569] [] intel_dp_check_link_status+0xb6/0xf0 [i915] [ 1.966592] [] intel_dp_detect+0x72b/0xbb0 [i915] [ 1.966618] [] i915_hotplug_work_func+0x1df/0x2b0 [i915] [ 1.966621] [] process_one_work+0x140/0x3e0 [ 1.966623] [] worker_thread+0x49/0x480 [ 1.966624] [] ? process_one_work+0x3e0/0x3e0 [ 1.966626] [] ? process_one_work+0x3e0/0x3e0 [ 1.966627] [] kthread+0xc5/0xe0 [ 1.966628] [] ? kthread_park+0x60/0x60 [ 1.966630] [] ret_from_fork+0x22/0x30 [ 1.966631] ---[ end trace 60f064180c1be642 ]--- [ 1.968053] ------------[ cut here ]------------ [ 1.968092] WARNING: CPU: 0 PID: 38 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.968093] WARN_ON(!msg->buffer != !msg->size) [ 1.968094] Modules linked in: [ 1.968095] crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button [ 1.968112] CPU: 0 PID: 38 Comm: kworker/0:1 Tainted: G U W 4.9.0-rc5-bfq-gentoo+ #20 [ 1.968113] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016 [ 1.968144] Workqueue: events i915_hotplug_work_func [i915] [ 1.968146] ffffc90000167b98 ffffffff8137adfb ffffc90000167be8 0000000000000000 [ 1.968149] ffffc90000167bd8 ffffffff810523cc 0000042600000001 ffffc90000167ca8 [ 1.968152] ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb [ 1.968155] Call Trace: [ 1.968160] [] dump_stack+0x4d/0x72 [ 1.968163] [] __warn+0xcc/0xf0 [ 1.968165] [] warn_slowpath_fmt+0x4a/0x50 [ 1.968168] [] ? hrtimer_init+0x100/0x100 [ 1.968200] [] intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.968204] [] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper] [ 1.968207] [] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper] [ 1.968235] [] intel_dp_start_link_train+0x2a8/0x4c0 [i915] [ 1.968260] [] intel_dp_check_link_status+0xb6/0xf0 [i915] [ 1.968284] [] intel_dp_detect+0x72b/0xbb0 [i915] [ 1.968313] [] i915_hotplug_work_func+0x1df/0x2b0 [i915] [ 1.968316] [] process_one_work+0x140/0x3e0 [ 1.968318] [] worker_thread+0x49/0x480 [ 1.968320] [] ? process_one_work+0x3e0/0x3e0 [ 1.968322] [] ? process_one_work+0x3e0/0x3e0 [ 1.968324] [] kthread+0xc5/0xe0 [ 1.968326] [] ? kthread_park+0x60/0x60 [ 1.968329] [] ret_from_fork+0x22/0x30 [ 1.968330] ---[ end trace 60f064180c1be643 ]--- [ 1.969471] ------------[ cut here ]------------ [ 1.969508] WARNING: CPU: 0 PID: 38 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.969509] WARN_ON(!msg->buffer != !msg->size) [ 1.969510] Modules linked in: [ 1.969511] crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button [ 1.969529] CPU: 0 PID: 38 Comm: kworker/0:1 Tainted: G U W 4.9.0-rc5-bfq-gentoo+ #20 [ 1.969530] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016 [ 1.969563] Workqueue: events i915_hotplug_work_func [i915] [ 1.969565] ffffc90000167b98 ffffffff8137adfb ffffc90000167be8 0000000000000000 [ 1.969568] ffffc90000167bd8 ffffffff810523cc 0000042600000001 ffffc90000167ca8 [ 1.969571] ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb [ 1.969574] Call Trace: [ 1.969578] [] dump_stack+0x4d/0x72 [ 1.969581] [] __warn+0xcc/0xf0 [ 1.969583] [] warn_slowpath_fmt+0x4a/0x50 [ 1.969587] [] ? hrtimer_init+0x100/0x100 [ 1.969618] [] intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.969622] [] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper] [ 1.969625] [] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper] [ 1.969653] [] intel_dp_start_link_train+0x2a8/0x4c0 [i915] [ 1.969679] [] intel_dp_check_link_status+0xb6/0xf0 [i915] [ 1.969705] [] intel_dp_detect+0x72b/0xbb0 [i915] [ 1.969734] [] i915_hotplug_work_func+0x1df/0x2b0 [i915] [ 1.969737] [] process_one_work+0x140/0x3e0 [ 1.969738] [] worker_thread+0x49/0x480 [ 1.969740] [] ? process_one_work+0x3e0/0x3e0 [ 1.969742] [] ? process_one_work+0x3e0/0x3e0 [ 1.969744] [] kthread+0xc5/0xe0 [ 1.969746] [] ? kthread_park+0x60/0x60 [ 1.969749] [] ret_from_fork+0x22/0x30 [ 1.969762] ---[ end trace 60f064180c1be644 ]--- [ 1.970501] ------------[ cut here ]------------ [ 1.970537] WARNING: CPU: 0 PID: 38 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.970537] WARN_ON(!msg->buffer != !msg->size) [ 1.970538] Modules linked in: [ 1.970539] crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button [ 1.970555] CPU: 0 PID: 38 Comm: kworker/0:1 Tainted: G U W 4.9.0-rc5-bfq-gentoo+ #20 [ 1.970556] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016 [ 1.970589] Workqueue: events i915_hotplug_work_func [i915] [ 1.970590] ffffc90000167b98 ffffffff8137adfb ffffc90000167be8 0000000000000000 [ 1.970594] ffffc90000167bd8 ffffffff810523cc 0000042600000001 ffffc90000167ca8 [ 1.970596] ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb [ 1.970599] Call Trace: [ 1.970603] [] dump_stack+0x4d/0x72 [ 1.970605] [] __warn+0xcc/0xf0 [ 1.970607] [] warn_slowpath_fmt+0x4a/0x50 [ 1.970610] [] ? hrtimer_init+0x100/0x100 [ 1.970641] [] intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.970645] [] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper] [ 1.970649] [] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper] [ 1.970676] [] intel_dp_start_link_train+0x2a8/0x4c0 [i915] [ 1.970702] [] intel_dp_check_link_status+0xb6/0xf0 [i915] [ 1.970727] [] intel_dp_detect+0x72b/0xbb0 [i915] [ 1.970756] [] i915_hotplug_work_func+0x1df/0x2b0 [i915] [ 1.970758] [] process_one_work+0x140/0x3e0 [ 1.970760] [] worker_thread+0x49/0x480 [ 1.970762] [] ? process_one_work+0x3e0/0x3e0 [ 1.970764] [] ? process_one_work+0x3e0/0x3e0 [ 1.970766] [] kthread+0xc5/0xe0 [ 1.970768] [] ? kthread_park+0x60/0x60 [ 1.970770] [] ret_from_fork+0x22/0x30 [ 1.970784] ---[ end trace 60f064180c1be645 ]--- [ 1.971520] ------------[ cut here ]------------ [ 1.971556] WARNING: CPU: 0 PID: 38 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.971557] WARN_ON(!msg->buffer != !msg->size) [ 1.971557] Modules linked in: [ 1.971558] crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button [ 1.971575] CPU: 0 PID: 38 Comm: kworker/0:1 Tainted: G U W 4.9.0-rc5-bfq-gentoo+ #20 [ 1.971575] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016 [ 1.971608] Workqueue: events i915_hotplug_work_func [i915] [ 1.971610] ffffc90000167b98 ffffffff8137adfb ffffc90000167be8 0000000000000000 [ 1.971613] ffffc90000167bd8 ffffffff810523cc 0000042600000001 ffffc90000167ca8 [ 1.971615] ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb [ 1.971618] Call Trace: [ 1.971622] [] dump_stack+0x4d/0x72 [ 1.971625] [] __warn+0xcc/0xf0 [ 1.971627] [] warn_slowpath_fmt+0x4a/0x50 [ 1.971630] [] ? hrtimer_init+0x100/0x100 [ 1.971660] [] intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.971664] [] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper] [ 1.971667] [] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper] [ 1.971694] [] intel_dp_start_link_train+0x2a8/0x4c0 [i915] [ 1.971719] [] intel_dp_check_link_status+0xb6/0xf0 [i915] [ 1.971742] [] intel_dp_detect+0x72b/0xbb0 [i915] [ 1.971770] [] i915_hotplug_work_func+0x1df/0x2b0 [i915] [ 1.971773] [] process_one_work+0x140/0x3e0 [ 1.971775] [] worker_thread+0x49/0x480 [ 1.971777] [] ? process_one_work+0x3e0/0x3e0 [ 1.971779] [] ? process_one_work+0x3e0/0x3e0 [ 1.971781] [] kthread+0xc5/0xe0 [ 1.971782] [] ? kthread_park+0x60/0x60 [ 1.971785] [] ret_from_fork+0x22/0x30 [ 1.971799] ---[ end trace 60f064180c1be646 ]--- [ 1.972539] ------------[ cut here ]------------ [ 1.972565] WARNING: CPU: 0 PID: 38 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.972565] WARN_ON(!msg->buffer != !msg->size) [ 1.972566] Modules linked in: [ 1.972566] crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button [ 1.972577] CPU: 0 PID: 38 Comm: kworker/0:1 Tainted: G U W 4.9.0-rc5-bfq-gentoo+ #20 [ 1.972578] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016 [ 1.972601] Workqueue: events i915_hotplug_work_func [i915] [ 1.972603] ffffc90000167b98 ffffffff8137adfb ffffc90000167be8 0000000000000000 [ 1.972605] ffffc90000167bd8 ffffffff810523cc 0000042600000001 ffffc90000167ca8 [ 1.972606] ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb [ 1.972608] Call Trace: [ 1.972611] [] dump_stack+0x4d/0x72 [ 1.972612] [] __warn+0xcc/0xf0 [ 1.972614] [] warn_slowpath_fmt+0x4a/0x50 [ 1.972616] [] ? hrtimer_init+0x100/0x100 [ 1.972637] [] intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.972640] [] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper] [ 1.972642] [] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper] [ 1.972660] [] intel_dp_start_link_train+0x2a8/0x4c0 [i915] [ 1.972678] [] intel_dp_check_link_status+0xb6/0xf0 [i915] [ 1.972695] [] intel_dp_detect+0x72b/0xbb0 [i915] [ 1.972716] [] i915_hotplug_work_func+0x1df/0x2b0 [i915] [ 1.972718] [] process_one_work+0x140/0x3e0 [ 1.972720] [] worker_thread+0x49/0x480 [ 1.972721] [] ? process_one_work+0x3e0/0x3e0 [ 1.972723] [] ? process_one_work+0x3e0/0x3e0 [ 1.972724] [] kthread+0xc5/0xe0 [ 1.972725] [] ? kthread_park+0x60/0x60 [ 1.972727] [] ret_from_fork+0x22/0x30 [ 1.972728] ---[ end trace 60f064180c1be647 ]--- [ 1.973474] ------------[ cut here ]------------ [ 1.973498] WARNING: CPU: 0 PID: 38 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.973498] WARN_ON(!msg->buffer != !msg->size) [ 1.973499] Modules linked in: [ 1.973499] crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button [ 1.973509] CPU: 0 PID: 38 Comm: kworker/0:1 Tainted: G U W 4.9.0-rc5-bfq-gentoo+ #20 [ 1.973510] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016 [ 1.973533] Workqueue: events i915_hotplug_work_func [i915] [ 1.973534] ffffc90000167b98 ffffffff8137adfb ffffc90000167be8 0000000000000000 [ 1.973536] ffffc90000167bd8 ffffffff810523cc 0000042600000001 ffffc90000167ca8 [ 1.973538] ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb [ 1.973540] Call Trace: [ 1.973543] [] dump_stack+0x4d/0x72 [ 1.973544] [] __warn+0xcc/0xf0 [ 1.973545] [] warn_slowpath_fmt+0x4a/0x50 [ 1.973547] [] ? hrtimer_init+0x100/0x100 [ 1.973568] [] intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.973570] [] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper] [ 1.973572] [] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper] [ 1.973591] [] intel_dp_start_link_train+0x2a8/0x4c0 [i915] [ 1.973608] [] intel_dp_check_link_status+0xb6/0xf0 [i915] [ 1.973625] [] intel_dp_detect+0x72b/0xbb0 [i915] [ 1.973645] [] i915_hotplug_work_func+0x1df/0x2b0 [i915] [ 1.973647] [] process_one_work+0x140/0x3e0 [ 1.973648] [] worker_thread+0x49/0x480 [ 1.973650] [] ? process_one_work+0x3e0/0x3e0 [ 1.973651] [] ? process_one_work+0x3e0/0x3e0 [ 1.973652] [] kthread+0xc5/0xe0 [ 1.973653] [] ? kthread_park+0x60/0x60 [ 1.973655] [] ret_from_fork+0x22/0x30 [ 1.973656] ---[ end trace 60f064180c1be648 ]--- [ 1.975008] ------------[ cut here ]------------ [ 1.975033] WARNING: CPU: 0 PID: 38 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.975034] WARN_ON(!msg->buffer != !msg->size) [ 1.975035] Modules linked in: [ 1.975035] crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button [ 1.975046] CPU: 0 PID: 38 Comm: kworker/0:1 Tainted: G U W 4.9.0-rc5-bfq-gentoo+ #20 [ 1.975046] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016 [ 1.975070] Workqueue: events i915_hotplug_work_func [i915] [ 1.975071] ffffc90000167b98 ffffffff8137adfb ffffc90000167be8 0000000000000000 [ 1.975073] ffffc90000167bd8 ffffffff810523cc 0000042600000001 ffffc90000167ca8 [ 1.975075] ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb [ 1.975077] Call Trace: [ 1.975080] [] dump_stack+0x4d/0x72 [ 1.975081] [] __warn+0xcc/0xf0 [ 1.975083] [] warn_slowpath_fmt+0x4a/0x50 [ 1.975084] [] ? hrtimer_init+0x100/0x100 [ 1.975106] [] intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.975109] [] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper] [ 1.975111] [] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper] [ 1.975130] [] intel_dp_start_link_train+0x2a8/0x4c0 [i915] [ 1.975152] [] intel_dp_check_link_status+0xb6/0xf0 [i915] [ 1.975175] [] intel_dp_detect+0x72b/0xbb0 [i915] [ 1.975197] [] i915_hotplug_work_func+0x1df/0x2b0 [i915] [ 1.975199] [] process_one_work+0x140/0x3e0 [ 1.975201] [] worker_thread+0x49/0x480 [ 1.975202] [] ? process_one_work+0x3e0/0x3e0 [ 1.975204] [] ? process_one_work+0x3e0/0x3e0 [ 1.975205] [] kthread+0xc5/0xe0 [ 1.975206] [] ? kthread_park+0x60/0x60 [ 1.975208] [] ret_from_fork+0x22/0x30 [ 1.975209] ---[ end trace 60f064180c1be649 ]--- [ 1.975943] ------------[ cut here ]------------ [ 1.975975] WARNING: CPU: 0 PID: 38 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.975975] WARN_ON(!msg->buffer != !msg->size) [ 1.975976] Modules linked in: [ 1.975976] crc32_pclmul i915 fbcon bitblit softcursor font [ 1.975980] intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button [ 1.975992] CPU: 0 PID: 38 Comm: kworker/0:1 Tainted: G U W 4.9.0-rc5-bfq-gentoo+ #20 [ 1.975992] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016 [ 1.976022] Workqueue: events i915_hotplug_work_func [i915] [ 1.976024] ffffc90000167b98 ffffffff8137adfb ffffc90000167be8 0000000000000000 [ 1.976026] ffffc90000167bd8 [ 1.976028] ffffffff810523cc [ 1.976028] 0000042600000001 ffffc90000167ca8 [ 1.976030] ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb [ 1.976032] Call Trace: [ 1.976035] [] dump_stack+0x4d/0x72 [ 1.976037] [] __warn+0xcc/0xf0 [ 1.976039] [] warn_slowpath_fmt+0x4a/0x50 [ 1.976042] [] ? hrtimer_init+0x100/0x100 [ 1.976069] [] intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.976073] [] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper] [ 1.976075] [] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper] [ 1.976101] [] intel_dp_start_link_train+0x2a8/0x4c0 [i915] [ 1.976123] [] intel_dp_check_link_status+0xb6/0xf0 [i915] [ 1.976146] [] intel_dp_detect+0x72b/0xbb0 [i915] [ 1.976171] [] i915_hotplug_work_func+0x1df/0x2b0 [i915] [ 1.976174] [] process_one_work+0x140/0x3e0 [ 1.976176] [] worker_thread+0x49/0x480 [ 1.976178] [] ? process_one_work+0x3e0/0x3e0 [ 1.976180] [] ? process_one_work+0x3e0/0x3e0 [ 1.976181] [] kthread+0xc5/0xe0 [ 1.976183] [] ? kthread_park+0x60/0x60 [ 1.976185] [] ret_from_fork+0x22/0x30 [ 1.976187] ---[ end trace 60f064180c1be64a ]--- [ 1.976929] ------------[ cut here ]------------ [ 1.976960] WARNING: CPU: 0 PID: 38 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.976961] WARN_ON(!msg->buffer != !msg->size) [ 1.976961] Modules linked in: [ 1.976962] crc32_pclmul i915 fbcon bitblit softcursor font [ 1.976965] intel_gtt [ 1.976966] sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button [ 1.976977] CPU: 0 PID: 38 Comm: kworker/0:1 Tainted: G U W 4.9.0-rc5-bfq-gentoo+ #20 [ 1.976978] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016 [ 1.977008] Workqueue: events i915_hotplug_work_func [i915] [ 1.977009] ffffc90000167b98 ffffffff8137adfb ffffc90000167be8 [ 1.977012] 0000000000000000 [ 1.977013] ffffc90000167bd8 ffffffff810523cc 0000042600000001 ffffc90000167ca8 [ 1.977015] ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb [ 1.977017] Call Trace: [ 1.977021] [] dump_stack+0x4d/0x72 [ 1.977023] [] __warn+0xcc/0xf0 [ 1.977025] [] warn_slowpath_fmt+0x4a/0x50 [ 1.977028] [] ? hrtimer_init+0x100/0x100 [ 1.977055] [] intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.977058] [] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper] [ 1.977061] [] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper] [ 1.977086] [] intel_dp_start_link_train+0x2a8/0x4c0 [i915] [ 1.977109] [] intel_dp_check_link_status+0xb6/0xf0 [i915] [ 1.977132] [] intel_dp_detect+0x72b/0xbb0 [i915] [ 1.977157] [] i915_hotplug_work_func+0x1df/0x2b0 [i915] [ 1.977160] [] process_one_work+0x140/0x3e0 [ 1.977162] [] worker_thread+0x49/0x480 [ 1.977164] [] ? process_one_work+0x3e0/0x3e0 [ 1.977166] [] ? process_one_work+0x3e0/0x3e0 [ 1.977167] [] kthread+0xc5/0xe0 [ 1.977169] [] ? kthread_park+0x60/0x60 [ 1.977171] [] ret_from_fork+0x22/0x30 [ 1.977182] ---[ end trace 60f064180c1be64b ]--- [ 1.977917] ------------[ cut here ]------------ [ 1.977951] WARNING: CPU: 0 PID: 38 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.977952] WARN_ON(!msg->buffer != !msg->size) [ 1.977952] Modules linked in: [ 1.977953] crc32_pclmul i915 fbcon bitblit softcursor font [ 1.977957] intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button [ 1.977969] CPU: 0 PID: 38 Comm: kworker/0:1 Tainted: G U W 4.9.0-rc5-bfq-gentoo+ #20 [ 1.977970] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016 [ 1.978000] Workqueue: events i915_hotplug_work_func [i915] [ 1.978001] ffffc90000167b98 ffffffff8137adfb ffffc90000167be8 0000000000000000 [ 1.978004] ffffc90000167bd8 [ 1.978005] ffffffff810523cc [ 1.978006] 0000042600000001 ffffc90000167ca8 [ 1.978008] ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb [ 1.978010] Call Trace: [ 1.978015] [] dump_stack+0x4d/0x72 [ 1.978017] [] __warn+0xcc/0xf0 [ 1.978019] [] warn_slowpath_fmt+0x4a/0x50 [ 1.978023] [] ? hrtimer_init+0x100/0x100 [ 1.978050] [] intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.978054] [] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper] [ 1.978057] [] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper] [ 1.978082] [] intel_dp_start_link_train+0x2a8/0x4c0 [i915] [ 1.978104] [] intel_dp_check_link_status+0xb6/0xf0 [i915] [ 1.978126] [] intel_dp_detect+0x72b/0xbb0 [i915] [ 1.978151] [] i915_hotplug_work_func+0x1df/0x2b0 [i915] [ 1.978155] [] process_one_work+0x140/0x3e0 [ 1.978156] [] worker_thread+0x49/0x480 [ 1.978158] [] ? process_one_work+0x3e0/0x3e0 [ 1.978160] [] ? process_one_work+0x3e0/0x3e0 [ 1.978162] [] kthread+0xc5/0xe0 [ 1.978164] [] ? kthread_park+0x60/0x60 [ 1.978166] [] ret_from_fork+0x22/0x30 [ 1.978168] ---[ end trace 60f064180c1be64c ]--- [ 1.978903] ------------[ cut here ]------------ [ 1.978936] WARNING: CPU: 0 PID: 38 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.978937] WARN_ON(!msg->buffer != !msg->size) [ 1.978937] Modules linked in: [ 1.978938] crc32_pclmul i915 fbcon bitblit softcursor [ 1.978941] font [ 1.978942] intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button [ 1.978954] CPU: 0 PID: 38 Comm: kworker/0:1 Tainted: G U W 4.9.0-rc5-bfq-gentoo+ #20 [ 1.978954] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016 [ 1.978985] Workqueue: events i915_hotplug_work_func [i915] [ 1.978986] ffffc90000167b98 ffffffff8137adfb ffffc90000167be8 0000000000000000 [ 1.978989] ffffc90000167bd8 [ 1.978990] ffffffff810523cc [ 1.978991] 0000042600000001 ffffc90000167ca8 [ 1.978992] ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb [ 1.978994] Call Trace: [ 1.978999] [] dump_stack+0x4d/0x72 [ 1.979001] [] __warn+0xcc/0xf0 [ 1.979003] [] warn_slowpath_fmt+0x4a/0x50 [ 1.979006] [] ? hrtimer_init+0x100/0x100 [ 1.979032] [] intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.979036] [] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper] [ 1.979039] [] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper] [ 1.979063] [] intel_dp_start_link_train+0x2a8/0x4c0 [i915] [ 1.979085] [] intel_dp_check_link_status+0xb6/0xf0 [i915] [ 1.979108] [] intel_dp_detect+0x72b/0xbb0 [i915] [ 1.979133] [] i915_hotplug_work_func+0x1df/0x2b0 [i915] [ 1.979136] [] process_one_work+0x140/0x3e0 [ 1.979138] [] worker_thread+0x49/0x480 [ 1.979139] [] ? process_one_work+0x3e0/0x3e0 [ 1.979141] [] ? process_one_work+0x3e0/0x3e0 [ 1.979143] [] kthread+0xc5/0xe0 [ 1.979144] [] ? kthread_park+0x60/0x60 [ 1.979147] [] ret_from_fork+0x22/0x30 [ 1.979149] ---[ end trace 60f064180c1be64d ]--- [ 1.979883] ------------[ cut here ]------------ [ 1.979908] WARNING: CPU: 0 PID: 38 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.979908] WARN_ON(!msg->buffer != !msg->size) [ 1.979909] Modules linked in: [ 1.979909] crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button [ 1.979920] CPU: 0 PID: 38 Comm: kworker/0:1 Tainted: G U W 4.9.0-rc5-bfq-gentoo+ #20 [ 1.979920] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016 [ 1.979943] Workqueue: events i915_hotplug_work_func [i915] [ 1.979944] ffffc90000167b98 ffffffff8137adfb ffffc90000167be8 0000000000000000 [ 1.979946] ffffc90000167bd8 ffffffff810523cc 0000042600000001 ffffc90000167ca8 [ 1.979948] ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb [ 1.979950] Call Trace: [ 1.979952] [] dump_stack+0x4d/0x72 [ 1.979954] [] __warn+0xcc/0xf0 [ 1.979955] [] warn_slowpath_fmt+0x4a/0x50 [ 1.979957] [] ? hrtimer_init+0x100/0x100 [ 1.979978] [] intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.979980] [] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper] [ 1.979982] [] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper] [ 1.980004] [] intel_dp_start_link_train+0x2a8/0x4c0 [i915] [ 1.980026] [] intel_dp_check_link_status+0xb6/0xf0 [i915] [ 1.980049] [] intel_dp_detect+0x72b/0xbb0 [i915] [ 1.980072] [] i915_hotplug_work_func+0x1df/0x2b0 [i915] [ 1.980074] [] process_one_work+0x140/0x3e0 [ 1.980075] [] worker_thread+0x49/0x480 [ 1.980077] [] ? process_one_work+0x3e0/0x3e0 [ 1.980078] [] ? process_one_work+0x3e0/0x3e0 [ 1.980079] [] kthread+0xc5/0xe0 [ 1.980080] [] ? kthread_park+0x60/0x60 [ 1.980082] [] ret_from_fork+0x22/0x30 [ 1.980083] ---[ end trace 60f064180c1be64e ]--- [ 1.980743] ------------[ cut here ]------------ [ 1.980775] WARNING: CPU: 0 PID: 38 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.980776] WARN_ON(!msg->buffer != !msg->size) [ 1.980777] Modules linked in: [ 1.980778] crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button [ 1.980793] CPU: 0 PID: 38 Comm: kworker/0:1 Tainted: G U W 4.9.0-rc5-bfq-gentoo+ #20 [ 1.980794] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016 [ 1.980824] Workqueue: events i915_hotplug_work_func [i915] [ 1.980826] ffffc90000167b98 ffffffff8137adfb ffffc90000167be8 0000000000000000 [ 1.980828] ffffc90000167bd8 ffffffff810523cc [ 1.980830] 0000042600000001 ffffc90000167ca8 [ 1.980832] ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb [ 1.980834] Call Trace: [ 1.980839] [] dump_stack+0x4d/0x72 [ 1.980841] [] __warn+0xcc/0xf0 [ 1.980843] [] warn_slowpath_fmt+0x4a/0x50 [ 1.980846] [] ? hrtimer_init+0x100/0x100 [ 1.980873] [] intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.980877] [] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper] [ 1.980880] [] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper] [ 1.980905] [] intel_dp_start_link_train+0x2a8/0x4c0 [i915] [ 1.980928] [] intel_dp_check_link_status+0xb6/0xf0 [i915] [ 1.980951] [] intel_dp_detect+0x72b/0xbb0 [i915] [ 1.980976] [] i915_hotplug_work_func+0x1df/0x2b0 [i915] [ 1.980980] [] process_one_work+0x140/0x3e0 [ 1.980982] [] worker_thread+0x49/0x480 [ 1.980983] [] ? process_one_work+0x3e0/0x3e0 [ 1.980985] [] ? process_one_work+0x3e0/0x3e0 [ 1.980987] [] kthread+0xc5/0xe0 [ 1.980989] [] ? kthread_park+0x60/0x60 [ 1.980991] [] ret_from_fork+0x22/0x30 [ 1.980992] ---[ end trace 60f064180c1be64f ]--- [ 1.981726] ------------[ cut here ]------------ [ 1.981758] WARNING: CPU: 0 PID: 38 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.981765] WARN_ON(!msg->buffer != !msg->size) [ 1.981766] Modules linked in: [ 1.981767] crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button [ 1.981783] CPU: 0 PID: 38 Comm: kworker/0:1 Tainted: G U W 4.9.0-rc5-bfq-gentoo+ #20 [ 1.981783] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016 [ 1.981813] Workqueue: events i915_hotplug_work_func [i915] [ 1.981815] ffffc90000167b98 ffffffff8137adfb ffffc90000167be8 0000000000000000 [ 1.981818] ffffc90000167bd8 ffffffff810523cc 0000042600000001 ffffc90000167ca8 [ 1.981820] ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb [ 1.981822] Call Trace: [ 1.981826] [] dump_stack+0x4d/0x72 [ 1.981829] [] __warn+0xcc/0xf0 [ 1.981831] [] warn_slowpath_fmt+0x4a/0x50 [ 1.981834] [] ? hrtimer_init+0x100/0x100 [ 1.981860] [] intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.981864] [] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper] [ 1.981866] [] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper] [ 1.981892] [] intel_dp_start_link_train+0x2a8/0x4c0 [i915] [ 1.981914] [] intel_dp_check_link_status+0xb6/0xf0 [i915] [ 1.981937] [] intel_dp_detect+0x72b/0xbb0 [i915] [ 1.981962] [] i915_hotplug_work_func+0x1df/0x2b0 [i915] [ 1.981965] [] process_one_work+0x140/0x3e0 [ 1.981967] [] worker_thread+0x49/0x480 [ 1.981968] [] ? process_one_work+0x3e0/0x3e0 [ 1.981970] [] ? process_one_work+0x3e0/0x3e0 [ 1.981972] [] kthread+0xc5/0xe0 [ 1.981974] [] ? kthread_park+0x60/0x60 [ 1.981976] [] ret_from_fork+0x22/0x30 [ 1.981977] ---[ end trace 60f064180c1be650 ]--- [ 1.982714] ------------[ cut here ]------------ [ 1.982744] WARNING: CPU: 0 PID: 38 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.982760] WARN_ON(!msg->buffer != !msg->size) [ 1.982761] Modules linked in: [ 1.982762] crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb [ 1.982775] fbdev [ 1.982776] video backlight button [ 1.982779] CPU: 0 PID: 38 Comm: kworker/0:1 Tainted: G U W 4.9.0-rc5-bfq-gentoo+ #20 [ 1.982780] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016 [ 1.982810] Workqueue: events i915_hotplug_work_func [i915] [ 1.982811] ffffc90000167b98 ffffffff8137adfb ffffc90000167be8 0000000000000000 [ 1.982814] ffffc90000167bd8 ffffffff810523cc 0000042600000001 ffffc90000167ca8 [ 1.982817] ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb [ 1.982819] Call Trace: [ 1.982823] [] dump_stack+0x4d/0x72 [ 1.982826] [] __warn+0xcc/0xf0 [ 1.982828] [] warn_slowpath_fmt+0x4a/0x50 [ 1.982831] [] ? hrtimer_init+0x100/0x100 [ 1.982857] [] intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.982861] [] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper] [ 1.982864] [] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper] [ 1.982888] [] intel_dp_start_link_train+0x2a8/0x4c0 [i915] [ 1.982910] [] intel_dp_check_link_status+0xb6/0xf0 [i915] [ 1.982933] [] intel_dp_detect+0x72b/0xbb0 [i915] [ 1.982958] [] i915_hotplug_work_func+0x1df/0x2b0 [i915] [ 1.982961] [] process_one_work+0x140/0x3e0 [ 1.982963] [] worker_thread+0x49/0x480 [ 1.982965] [] ? process_one_work+0x3e0/0x3e0 [ 1.982967] [] ? process_one_work+0x3e0/0x3e0 [ 1.982969] [] kthread+0xc5/0xe0 [ 1.982970] [] ? kthread_park+0x60/0x60 [ 1.982973] [] ret_from_fork+0x22/0x30 [ 1.982975] ---[ end trace 60f064180c1be651 ]--- [ 1.983712] ------------[ cut here ]------------ [ 1.983747] WARNING: CPU: 0 PID: 38 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.983762] WARN_ON(!msg->buffer != !msg->size) [ 1.983763] Modules linked in: [ 1.983764] crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button [ 1.983781] CPU: 0 PID: 38 Comm: kworker/0:1 Tainted: G U W 4.9.0-rc5-bfq-gentoo+ #20 [ 1.983782] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016 [ 1.983813] Workqueue: events i915_hotplug_work_func [i915] [ 1.983815] ffffc90000167b98 ffffffff8137adfb ffffc90000167be8 0000000000000000 [ 1.983818] ffffc90000167bd8 ffffffff810523cc 0000042600000001 ffffc90000167ca8 [ 1.983821] ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb [ 1.983823] Call Trace: [ 1.983828] [] dump_stack+0x4d/0x72 [ 1.983831] [] __warn+0xcc/0xf0 [ 1.983833] [] warn_slowpath_fmt+0x4a/0x50 [ 1.983836] [] ? hrtimer_init+0x100/0x100 [ 1.983863] [] intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.983867] [] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper] [ 1.983870] [] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper] [ 1.983896] [] intel_dp_start_link_train+0x2a8/0x4c0 [i915] [ 1.983918] [] intel_dp_check_link_status+0xb6/0xf0 [i915] [ 1.983940] [] intel_dp_detect+0x72b/0xbb0 [i915] [ 1.983968] [] i915_hotplug_work_func+0x1df/0x2b0 [i915] [ 1.983970] [] process_one_work+0x140/0x3e0 [ 1.983972] [] worker_thread+0x49/0x480 [ 1.983974] [] ? process_one_work+0x3e0/0x3e0 [ 1.983976] [] ? process_one_work+0x3e0/0x3e0 [ 1.983978] [] kthread+0xc5/0xe0 [ 1.983979] [] ? kthread_park+0x60/0x60 [ 1.983982] [] ret_from_fork+0x22/0x30 [ 1.983983] ---[ end trace 60f064180c1be652 ]--- [ 1.984081] BTRFS: device label PUB devid 1 transid 713 /dev/sdb3 [ 1.984721] ------------[ cut here ]------------ [ 1.984751] WARNING: CPU: 0 PID: 38 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.984761] WARN_ON(!msg->buffer != !msg->size) [ 1.984762] Modules linked in: [ 1.984764] crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button [ 1.984779] CPU: 0 PID: 38 Comm: kworker/0:1 Tainted: G U W 4.9.0-rc5-bfq-gentoo+ #20 [ 1.984780] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016 [ 1.984810] Workqueue: events i915_hotplug_work_func [i915] [ 1.984812] ffffc90000167b98 ffffffff8137adfb ffffc90000167be8 0000000000000000 [ 1.984814] ffffc90000167bd8 ffffffff810523cc [ 1.984816] 0000042600000001 ffffc90000167ca8 [ 1.984818] ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb [ 1.984820] Call Trace: [ 1.984824] [] dump_stack+0x4d/0x72 [ 1.984827] [] __warn+0xcc/0xf0 [ 1.984829] [] warn_slowpath_fmt+0x4a/0x50 [ 1.984832] [] ? hrtimer_init+0x100/0x100 [ 1.984860] [] intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.984863] [] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper] [ 1.984866] [] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper] [ 1.984891] [] intel_dp_start_link_train+0x2a8/0x4c0 [i915] [ 1.984913] [] intel_dp_check_link_status+0xb6/0xf0 [i915] [ 1.984936] [] intel_dp_detect+0x72b/0xbb0 [i915] [ 1.984962] [] i915_hotplug_work_func+0x1df/0x2b0 [i915] [ 1.984965] [] process_one_work+0x140/0x3e0 [ 1.984967] [] worker_thread+0x49/0x480 [ 1.984969] [] ? process_one_work+0x3e0/0x3e0 [ 1.984970] [] ? process_one_work+0x3e0/0x3e0 [ 1.984972] [] kthread+0xc5/0xe0 [ 1.984973] [] ? kthread_park+0x60/0x60 [ 1.984976] [] ret_from_fork+0x22/0x30 [ 1.984977] ---[ end trace 60f064180c1be653 ]--- [ 1.985746] ------------[ cut here ]------------ [ 1.985768] WARNING: CPU: 0 PID: 38 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.985769] WARN_ON(!msg->buffer != !msg->size) [ 1.985769] Modules linked in: [ 1.985770] crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button [ 1.985780] CPU: 0 PID: 38 Comm: kworker/0:1 Tainted: G U W 4.9.0-rc5-bfq-gentoo+ #20 [ 1.985780] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016 [ 1.985803] Workqueue: events i915_hotplug_work_func [i915] [ 1.985804] ffffc90000167b98 ffffffff8137adfb ffffc90000167be8 0000000000000000 [ 1.985806] ffffc90000167bd8 ffffffff810523cc 0000042600000001 ffffc90000167ca8 [ 1.985808] ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb [ 1.985809] Call Trace: [ 1.985812] [] dump_stack+0x4d/0x72 [ 1.985814] [] __warn+0xcc/0xf0 [ 1.985815] [] warn_slowpath_fmt+0x4a/0x50 [ 1.985817] [] ? hrtimer_init+0x100/0x100 [ 1.985840] [] intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.985842] [] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper] [ 1.985845] [] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper] [ 1.985867] [] intel_dp_start_link_train+0x2a8/0x4c0 [i915] [ 1.985890] [] intel_dp_check_link_status+0xb6/0xf0 [i915] [ 1.985912] [] intel_dp_detect+0x72b/0xbb0 [i915] [ 1.985935] [] i915_hotplug_work_func+0x1df/0x2b0 [i915] [ 1.985937] [] process_one_work+0x140/0x3e0 [ 1.985939] [] worker_thread+0x49/0x480 [ 1.985940] [] ? process_one_work+0x3e0/0x3e0 [ 1.985942] [] ? process_one_work+0x3e0/0x3e0 [ 1.985943] [] kthread+0xc5/0xe0 [ 1.985944] [] ? kthread_park+0x60/0x60 [ 1.985946] [] ret_from_fork+0x22/0x30 [ 1.985947] ---[ end trace 60f064180c1be654 ]--- [ 1.986684] ------------[ cut here ]------------ [ 1.986716] WARNING: CPU: 0 PID: 38 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.986716] WARN_ON(!msg->buffer != !msg->size) [ 1.986717] Modules linked in: [ 1.986717] crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button [ 1.986728] CPU: 0 PID: 38 Comm: kworker/0:1 Tainted: G U W 4.9.0-rc5-bfq-gentoo+ #20 [ 1.986729] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016 [ 1.986755] Workqueue: events i915_hotplug_work_func [i915] [ 1.986756] ffffc90000167b98 ffffffff8137adfb ffffc90000167be8 0000000000000000 [ 1.986758] ffffc90000167bd8 ffffffff810523cc 0000042600000001 ffffc90000167ca8 [ 1.986760] ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb [ 1.986761] Call Trace: [ 1.986764] [] dump_stack+0x4d/0x72 [ 1.986766] [] __warn+0xcc/0xf0 [ 1.986767] [] warn_slowpath_fmt+0x4a/0x50 [ 1.986769] [] ? hrtimer_init+0x100/0x100 [ 1.986791] [] intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.986793] [] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper] [ 1.986795] [] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper] [ 1.986814] [] intel_dp_start_link_train+0x2a8/0x4c0 [i915] [ 1.986831] [] intel_dp_check_link_status+0xb6/0xf0 [i915] [ 1.986847] [] intel_dp_detect+0x72b/0xbb0 [i915] [ 1.986868] [] i915_hotplug_work_func+0x1df/0x2b0 [i915] [ 1.986871] [] process_one_work+0x140/0x3e0 [ 1.986873] [] worker_thread+0x49/0x480 [ 1.986874] [] ? process_one_work+0x3e0/0x3e0 [ 1.986876] [] ? process_one_work+0x3e0/0x3e0 [ 1.986877] [] kthread+0xc5/0xe0 [ 1.986879] [] ? kthread_park+0x60/0x60 [ 1.986881] [] ret_from_fork+0x22/0x30 [ 1.986900] ---[ end trace 60f064180c1be655 ]--- [ 1.987634] ------------[ cut here ]------------ [ 1.987662] WARNING: CPU: 0 PID: 38 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.987663] WARN_ON(!msg->buffer != !msg->size) [ 1.987664] Modules linked in: [ 1.987664] crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt [ 1.987668] sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button [ 1.987680] CPU: 0 PID: 38 Comm: kworker/0:1 Tainted: G U W 4.9.0-rc5-bfq-gentoo+ #20 [ 1.987681] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016 [ 1.987708] Workqueue: events i915_hotplug_work_func [i915] [ 1.987709] ffffc90000167b98 ffffffff8137adfb ffffc90000167be8 0000000000000000 [ 1.987711] ffffc90000167bd8 ffffffff810523cc 0000042600000001 [ 1.987714] ffffc90000167ca8 [ 1.987715] ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb [ 1.987717] Call Trace: [ 1.987720] [] dump_stack+0x4d/0x72 [ 1.987723] [] __warn+0xcc/0xf0 [ 1.987724] [] warn_slowpath_fmt+0x4a/0x50 [ 1.987727] [] ? hrtimer_init+0x100/0x100 [ 1.987753] [] intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.987756] [] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper] [ 1.987759] [] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper] [ 1.987784] [] intel_dp_start_link_train+0x2a8/0x4c0 [i915] [ 1.987805] [] intel_dp_check_link_status+0xb6/0xf0 [i915] [ 1.987827] [] intel_dp_detect+0x72b/0xbb0 [i915] [ 1.987851] [] i915_hotplug_work_func+0x1df/0x2b0 [i915] [ 1.987854] [] process_one_work+0x140/0x3e0 [ 1.987856] [] worker_thread+0x49/0x480 [ 1.987858] [] ? process_one_work+0x3e0/0x3e0 [ 1.987860] [] ? process_one_work+0x3e0/0x3e0 [ 1.987861] [] kthread+0xc5/0xe0 [ 1.987863] [] ? kthread_park+0x60/0x60 [ 1.987866] [] ret_from_fork+0x22/0x30 [ 1.987885] ---[ end trace 60f064180c1be656 ]--- [ 1.988619] ------------[ cut here ]------------ [ 1.988650] WARNING: CPU: 0 PID: 38 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.988650] WARN_ON(!msg->buffer != !msg->size) [ 1.988651] Modules linked in: [ 1.988652] crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button [ 1.988668] CPU: 0 PID: 38 Comm: kworker/0:1 Tainted: G U W 4.9.0-rc5-bfq-gentoo+ #20 [ 1.988669] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016 [ 1.988698] Workqueue: events i915_hotplug_work_func [i915] [ 1.988700] ffffc90000167b98 ffffffff8137adfb ffffc90000167be8 0000000000000000 [ 1.988702] ffffc90000167bd8 ffffffff810523cc 0000042600000001 ffffc90000167ca8 [ 1.988703] ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb [ 1.988705] Call Trace: [ 1.988709] [] dump_stack+0x4d/0x72 [ 1.988710] [] __warn+0xcc/0xf0 [ 1.988711] [] warn_slowpath_fmt+0x4a/0x50 [ 1.988714] [] ? hrtimer_init+0x100/0x100 [ 1.988735] [] intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.988739] [] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper] [ 1.988742] [] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper] [ 1.988760] [] intel_dp_start_link_train+0x2a8/0x4c0 [i915] [ 1.988777] [] intel_dp_check_link_status+0xb6/0xf0 [i915] [ 1.988799] [] intel_dp_detect+0x72b/0xbb0 [i915] [ 1.988822] [] i915_hotplug_work_func+0x1df/0x2b0 [i915] [ 1.988824] [] process_one_work+0x140/0x3e0 [ 1.988825] [] worker_thread+0x49/0x480 [ 1.988827] [] ? process_one_work+0x3e0/0x3e0 [ 1.988828] [] ? process_one_work+0x3e0/0x3e0 [ 1.988829] [] kthread+0xc5/0xe0 [ 1.988831] [] ? kthread_park+0x60/0x60 [ 1.988833] [] ret_from_fork+0x22/0x30 [ 1.988844] ---[ end trace 60f064180c1be657 ]--- [ 1.989607] ------------[ cut here ]------------ [ 1.989627] WARNING: CPU: 0 PID: 38 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.989627] WARN_ON(!msg->buffer != !msg->size) [ 1.989628] Modules linked in: [ 1.989628] crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button [ 1.989637] CPU: 0 PID: 38 Comm: kworker/0:1 Tainted: G U W 4.9.0-rc5-bfq-gentoo+ #20 [ 1.989637] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016 [ 1.989657] Workqueue: events i915_hotplug_work_func [i915] [ 1.989658] ffffc90000167b98 ffffffff8137adfb ffffc90000167be8 0000000000000000 [ 1.989659] ffffc90000167bd8 ffffffff810523cc 0000042600000001 ffffc90000167ca8 [ 1.989661] ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb [ 1.989662] Call Trace: [ 1.989664] [] dump_stack+0x4d/0x72 [ 1.989666] [] __warn+0xcc/0xf0 [ 1.989667] [] warn_slowpath_fmt+0x4a/0x50 [ 1.989668] [] ? hrtimer_init+0x100/0x100 [ 1.989685] [] intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.989688] [] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper] [ 1.989690] [] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper] [ 1.989705] [] intel_dp_start_link_train+0x2a8/0x4c0 [i915] [ 1.989720] [] intel_dp_check_link_status+0xb6/0xf0 [i915] [ 1.989746] [] intel_dp_detect+0x72b/0xbb0 [i915] [ 1.989767] [] i915_hotplug_work_func+0x1df/0x2b0 [i915] [ 1.989769] [] process_one_work+0x140/0x3e0 [ 1.989780] [] worker_thread+0x49/0x480 [ 1.989782] [] ? process_one_work+0x3e0/0x3e0 [ 1.989783] [] ? process_one_work+0x3e0/0x3e0 [ 1.989784] [] kthread+0xc5/0xe0 [ 1.989785] [] ? kthread_park+0x60/0x60 [ 1.989786] [] ret_from_fork+0x22/0x30 [ 1.989794] ---[ end trace 60f064180c1be658 ]--- [ 1.989952] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to update link training [ 1.993330] ------------[ cut here ]------------ [ 1.993367] WARNING: CPU: 1 PID: 105 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.993367] WARN_ON(!msg->buffer != !msg->size) [ 1.993368] Modules linked in: [ 1.993368] crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button [ 1.993378] CPU: 1 PID: 105 Comm: kworker/u8:3 Tainted: G U W 4.9.0-rc5-bfq-gentoo+ #20 [ 1.993378] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016 [ 1.993381] Workqueue: events_unbound async_run_entry_fn [ 1.993382] ffffc900001bbac0 ffffffff8137adfb ffffc900001bbb10 0000000000000000 [ 1.993383] ffffc900001bbb00 ffffffff810523cc 00000426607500e1 ffffc900001bbbd0 [ 1.993385] ffff880407a800e0 0000000000000003 0000000000000000 ffff880407a80158 [ 1.993386] Call Trace: [ 1.993389] [] dump_stack+0x4d/0x72 [ 1.993390] [] __warn+0xcc/0xf0 [ 1.993391] [] warn_slowpath_fmt+0x4a/0x50 [ 1.993413] [] ? intel_dp_aux_transfer+0xcc/0x220 [i915] [ 1.993433] [] intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.993436] [] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper] [ 1.993438] [] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper] [ 1.993458] [] intel_dp_start_link_train+0x2a8/0x4c0 [i915] [ 1.993477] [] intel_dp_check_link_status+0xb6/0xf0 [i915] [ 1.993497] [] intel_dp_detect+0x72b/0xbb0 [i915] [ 1.993500] [] drm_helper_probe_single_connector_modes+0x406/0x4d0 [drm_kms_helper] [ 1.993501] [] ? schedule+0x38/0x90 [ 1.993503] [] drm_fb_helper_probe_connector_modes.isra.5+0x48/0x70 [drm_kms_helper] [ 1.993505] [] drm_fb_helper_initial_config+0x5e/0x3bb [drm_kms_helper] [ 1.993525] [] intel_fbdev_initial_config+0x13/0x30 [i915] [ 1.993527] [] async_run_entry_fn+0x32/0xe0 [ 1.993528] [] process_one_work+0x140/0x3e0 [ 1.993530] [] worker_thread+0x49/0x480 [ 1.993531] [] ? process_one_work+0x3e0/0x3e0 [ 1.993532] [] kthread+0xc5/0xe0 [ 1.993533] [] ? kthread_park+0x60/0x60 [ 1.993534] [] ? kthread_park+0x60/0x60 [ 1.993535] [] ret_from_fork+0x22/0x30 [ 1.993536] ---[ end trace 60f064180c1be659 ]--- [ 1.994299] ------------[ cut here ]------------ [ 1.994324] WARNING: CPU: 1 PID: 105 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.994324] WARN_ON(!msg->buffer != !msg->size) [ 1.994325] Modules linked in: [ 1.994325] crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button [ 1.994335] CPU: 1 PID: 105 Comm: kworker/u8:3 Tainted: G U W 4.9.0-rc5-bfq-gentoo+ #20 [ 1.994336] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016 [ 1.994338] Workqueue: events_unbound async_run_entry_fn [ 1.994339] ffffc900001bbac0 ffffffff8137adfb ffffc900001bbb10 0000000000000000 [ 1.994341] ffffc900001bbb00 ffffffff810523cc 0000042600000001 ffffc900001bbbd0 [ 1.994343] ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb [ 1.994344] Call Trace: [ 1.994347] [] dump_stack+0x4d/0x72 [ 1.994348] [] __warn+0xcc/0xf0 [ 1.994349] [] warn_slowpath_fmt+0x4a/0x50 [ 1.994351] [] ? hrtimer_init+0x100/0x100 [ 1.994374] [] intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.994377] [] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper] [ 1.994379] [] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper] [ 1.994402] [] intel_dp_start_link_train+0x2a8/0x4c0 [i915] [ 1.994425] [] intel_dp_check_link_status+0xb6/0xf0 [i915] [ 1.994448] [] intel_dp_detect+0x72b/0xbb0 [i915] [ 1.994451] [] drm_helper_probe_single_connector_modes+0x406/0x4d0 [drm_kms_helper] [ 1.994453] [] ? schedule+0x38/0x90 [ 1.994455] [] drm_fb_helper_probe_connector_modes.isra.5+0x48/0x70 [drm_kms_helper] [ 1.994458] [] drm_fb_helper_initial_config+0x5e/0x3bb [drm_kms_helper] [ 1.994481] [] intel_fbdev_initial_config+0x13/0x30 [i915] [ 1.994482] [] async_run_entry_fn+0x32/0xe0 [ 1.994484] [] process_one_work+0x140/0x3e0 [ 1.994486] [] worker_thread+0x49/0x480 [ 1.994487] [] ? process_one_work+0x3e0/0x3e0 [ 1.994488] [] kthread+0xc5/0xe0 [ 1.994489] [] ? kthread_park+0x60/0x60 [ 1.994490] [] ? kthread_park+0x60/0x60 [ 1.994492] [] ret_from_fork+0x22/0x30 [ 1.994493] ---[ end trace 60f064180c1be65a ]--- [ 1.995255] ------------[ cut here ]------------ [ 1.995280] WARNING: CPU: 1 PID: 105 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.995280] WARN_ON(!msg->buffer != !msg->size) [ 1.995281] Modules linked in: [ 1.995281] crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button [ 1.995291] CPU: 1 PID: 105 Comm: kworker/u8:3 Tainted: G U W 4.9.0-rc5-bfq-gentoo+ #20 [ 1.995292] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016 [ 1.995294] Workqueue: events_unbound async_run_entry_fn [ 1.995295] ffffc900001bbac0 ffffffff8137adfb ffffc900001bbb10 0000000000000000 [ 1.995297] ffffc900001bbb00 ffffffff810523cc 0000042600000001 ffffc900001bbbd0 [ 1.995299] ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb [ 1.995300] Call Trace: [ 1.995303] [] dump_stack+0x4d/0x72 [ 1.995304] [] __warn+0xcc/0xf0 [ 1.995305] [] warn_slowpath_fmt+0x4a/0x50 [ 1.995307] [] ? hrtimer_init+0x100/0x100 [ 1.995327] [] intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.995330] [] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper] [ 1.995332] [] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper] [ 1.995350] [] intel_dp_start_link_train+0x2a8/0x4c0 [i915] [ 1.995367] [] intel_dp_check_link_status+0xb6/0xf0 [i915] [ 1.995383] [] intel_dp_detect+0x72b/0xbb0 [i915] [ 1.995386] [] drm_helper_probe_single_connector_modes+0x406/0x4d0 [drm_kms_helper] [ 1.995387] [] ? schedule+0x38/0x90 [ 1.995390] [] drm_fb_helper_probe_connector_modes.isra.5+0x48/0x70 [drm_kms_helper] [ 1.995392] [] drm_fb_helper_initial_config+0x5e/0x3bb [drm_kms_helper] [ 1.995412] [] intel_fbdev_initial_config+0x13/0x30 [i915] [ 1.995414] [] async_run_entry_fn+0x32/0xe0 [ 1.995415] [] process_one_work+0x140/0x3e0 [ 1.995417] [] worker_thread+0x49/0x480 [ 1.995418] [] ? process_one_work+0x3e0/0x3e0 [ 1.995419] [] kthread+0xc5/0xe0 [ 1.995420] [] ? kthread_park+0x60/0x60 [ 1.995421] [] ? kthread_park+0x60/0x60 [ 1.995423] [] ret_from_fork+0x22/0x30 [ 1.995424] ---[ end trace 60f064180c1be65b ]--- [ 1.996164] ------------[ cut here ]------------ [ 1.996184] WARNING: CPU: 1 PID: 105 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.996185] WARN_ON(!msg->buffer != !msg->size) [ 1.996185] Modules linked in: [ 1.996186] crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci [ 1.996189] sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button [ 1.996197] CPU: 1 PID: 105 Comm: kworker/u8:3 Tainted: G U W 4.9.0-rc5-bfq-gentoo+ #20 [ 1.996198] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016 [ 1.996200] Workqueue: events_unbound async_run_entry_fn [ 1.996201] ffffc900001bbac0 ffffffff8137adfb ffffc900001bbb10 0000000000000000 [ 1.996203] ffffc900001bbb00 ffffffff810523cc 0000042600000001 ffffc900001bbbd0 [ 1.996205] ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb [ 1.996207] Call Trace: [ 1.996209] [] dump_stack+0x4d/0x72 [ 1.996210] [] __warn+0xcc/0xf0 [ 1.996212] [] warn_slowpath_fmt+0x4a/0x50 [ 1.996213] [] ? hrtimer_init+0x100/0x100 [ 1.996231] [] intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.996234] [] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper] [ 1.996236] [] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper] [ 1.996252] [] intel_dp_start_link_train+0x2a8/0x4c0 [i915] [ 1.996268] [] intel_dp_check_link_status+0xb6/0xf0 [i915] [ 1.996285] [] intel_dp_detect+0x72b/0xbb0 [i915] [ 1.996288] [] drm_helper_probe_single_connector_modes+0x406/0x4d0 [drm_kms_helper] [ 1.996289] [] ? schedule+0x38/0x90 [ 1.996292] [] drm_fb_helper_probe_connector_modes.isra.5+0x48/0x70 [drm_kms_helper] [ 1.996294] [] drm_fb_helper_initial_config+0x5e/0x3bb [drm_kms_helper] [ 1.996313] [] intel_fbdev_initial_config+0x13/0x30 [i915] [ 1.996315] [] async_run_entry_fn+0x32/0xe0 [ 1.996316] [] process_one_work+0x140/0x3e0 [ 1.996318] [] worker_thread+0x49/0x480 [ 1.996319] [] ? process_one_work+0x3e0/0x3e0 [ 1.996320] [] kthread+0xc5/0xe0 [ 1.996321] [] ? kthread_park+0x60/0x60 [ 1.996322] [] ? kthread_park+0x60/0x60 [ 1.996324] [] ret_from_fork+0x22/0x30 [ 1.996325] ---[ end trace 60f064180c1be65c ]--- [ 1.997082] ------------[ cut here ]------------ [ 1.997101] WARNING: CPU: 1 PID: 105 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.997101] WARN_ON(!msg->buffer != !msg->size) [ 1.997102] Modules linked in: [ 1.997102] crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button [ 1.997112] CPU: 1 PID: 105 Comm: kworker/u8:3 Tainted: G U W 4.9.0-rc5-bfq-gentoo+ #20 [ 1.997113] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016 [ 1.997115] Workqueue: events_unbound async_run_entry_fn [ 1.997115] ffffc900001bbac0 ffffffff8137adfb ffffc900001bbb10 0000000000000000 [ 1.997117] ffffc900001bbb00 ffffffff810523cc 0000042600000001 ffffc900001bbbd0 [ 1.997119] ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb [ 1.997121] Call Trace: [ 1.997123] [] dump_stack+0x4d/0x72 [ 1.997124] [] __warn+0xcc/0xf0 [ 1.997125] [] warn_slowpath_fmt+0x4a/0x50 [ 1.997127] [] ? hrtimer_init+0x100/0x100 [ 1.997143] [] intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.997145] [] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper] [ 1.997147] [] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper] [ 1.997163] [] intel_dp_start_link_train+0x2a8/0x4c0 [i915] [ 1.997179] [] intel_dp_check_link_status+0xb6/0xf0 [i915] [ 1.997195] [] intel_dp_detect+0x72b/0xbb0 [i915] [ 1.997197] [] drm_helper_probe_single_connector_modes+0x406/0x4d0 [drm_kms_helper] [ 1.997198] [] ? schedule+0x38/0x90 [ 1.997201] [] drm_fb_helper_probe_connector_modes.isra.5+0x48/0x70 [drm_kms_helper] [ 1.997203] [] drm_fb_helper_initial_config+0x5e/0x3bb [drm_kms_helper] [ 1.997222] [] intel_fbdev_initial_config+0x13/0x30 [i915] [ 1.997223] [] async_run_entry_fn+0x32/0xe0 [ 1.997225] [] process_one_work+0x140/0x3e0 [ 1.997226] [] worker_thread+0x49/0x480 [ 1.997227] [] ? process_one_work+0x3e0/0x3e0 [ 1.997228] [] kthread+0xc5/0xe0 [ 1.997229] [] ? kthread_park+0x60/0x60 [ 1.997230] [] ? kthread_park+0x60/0x60 [ 1.997232] [] ret_from_fork+0x22/0x30 [ 1.997233] ---[ end trace 60f064180c1be65d ]--- [ 1.997972] ------------[ cut here ]------------ [ 1.997990] WARNING: CPU: 1 PID: 105 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.997990] WARN_ON(!msg->buffer != !msg->size) [ 1.997991] Modules linked in: [ 1.997991] crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci [ 1.997995] sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button [ 1.998002] CPU: 1 PID: 105 Comm: kworker/u8:3 Tainted: G U W 4.9.0-rc5-bfq-gentoo+ #20 [ 1.998003] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016 [ 1.998005] Workqueue: events_unbound async_run_entry_fn [ 1.998006] ffffc900001bbac0 ffffffff8137adfb ffffc900001bbb10 0000000000000000 [ 1.998009] ffffc900001bbb00 ffffffff810523cc 0000042600000001 ffffc900001bbbd0 [ 1.998011] ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb [ 1.998012] Call Trace: [ 1.998014] [] dump_stack+0x4d/0x72 [ 1.998016] [] __warn+0xcc/0xf0 [ 1.998017] [] warn_slowpath_fmt+0x4a/0x50 [ 1.998018] [] ? hrtimer_init+0x100/0x100 [ 1.998041] [] intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.998044] [] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper] [ 1.998047] [] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper] [ 1.998070] [] intel_dp_start_link_train+0x2a8/0x4c0 [i915] [ 1.998093] [] intel_dp_check_link_status+0xb6/0xf0 [i915] [ 1.998117] [] intel_dp_detect+0x72b/0xbb0 [i915] [ 1.998120] [] drm_helper_probe_single_connector_modes+0x406/0x4d0 [drm_kms_helper] [ 1.998121] [] ? schedule+0x38/0x90 [ 1.998125] [] drm_fb_helper_probe_connector_modes.isra.5+0x48/0x70 [drm_kms_helper] [ 1.998127] [] drm_fb_helper_initial_config+0x5e/0x3bb [drm_kms_helper] [ 1.998150] [] intel_fbdev_initial_config+0x13/0x30 [i915] [ 1.998152] [] async_run_entry_fn+0x32/0xe0 [ 1.998154] [] process_one_work+0x140/0x3e0 [ 1.998156] [] worker_thread+0x49/0x480 [ 1.998157] [] ? process_one_work+0x3e0/0x3e0 [ 1.998158] [] kthread+0xc5/0xe0 [ 1.998160] [] ? kthread_park+0x60/0x60 [ 1.998161] [] ? kthread_park+0x60/0x60 [ 1.998162] [] ret_from_fork+0x22/0x30 [ 1.998163] ---[ end trace 60f064180c1be65e ]--- [ 1.998893] ------------[ cut here ]------------ [ 1.998916] WARNING: CPU: 1 PID: 105 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.998917] WARN_ON(!msg->buffer != !msg->size) [ 1.998917] Modules linked in: [ 1.998917] crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button [ 1.998928] CPU: 1 PID: 105 Comm: kworker/u8:3 Tainted: G U W 4.9.0-rc5-bfq-gentoo+ #20 [ 1.998928] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016 [ 1.998930] Workqueue: events_unbound async_run_entry_fn [ 1.998931] ffffc900001bbac0 ffffffff8137adfb ffffc900001bbb10 0000000000000000 [ 1.998933] ffffc900001bbb00 ffffffff810523cc 0000042600000001 ffffc900001bbbd0 [ 1.998935] ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb [ 1.998937] Call Trace: [ 1.998939] [] dump_stack+0x4d/0x72 [ 1.998940] [] __warn+0xcc/0xf0 [ 1.998942] [] warn_slowpath_fmt+0x4a/0x50 [ 1.998944] [] ? hrtimer_init+0x100/0x100 [ 1.998967] [] intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.998970] [] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper] [ 1.998972] [] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper] [ 1.998995] [] intel_dp_start_link_train+0x2a8/0x4c0 [i915] [ 1.999018] [] intel_dp_check_link_status+0xb6/0xf0 [i915] [ 1.999041] [] intel_dp_detect+0x72b/0xbb0 [i915] [ 1.999044] [] drm_helper_probe_single_connector_modes+0x406/0x4d0 [drm_kms_helper] [ 1.999045] [] ? schedule+0x38/0x90 [ 1.999048] [] drm_fb_helper_probe_connector_modes.isra.5+0x48/0x70 [drm_kms_helper] [ 1.999050] [] drm_fb_helper_initial_config+0x5e/0x3bb [drm_kms_helper] [ 1.999073] [] intel_fbdev_initial_config+0x13/0x30 [i915] [ 1.999075] [] async_run_entry_fn+0x32/0xe0 [ 1.999077] [] process_one_work+0x140/0x3e0 [ 1.999078] [] worker_thread+0x49/0x480 [ 1.999080] [] ? process_one_work+0x3e0/0x3e0 [ 1.999081] [] kthread+0xc5/0xe0 [ 1.999082] [] ? kthread_park+0x60/0x60 [ 1.999083] [] ? kthread_park+0x60/0x60 [ 1.999085] [] ret_from_fork+0x22/0x30 [ 1.999086] ---[ end trace 60f064180c1be65f ]--- [ 1.999769] ------------[ cut here ]------------ [ 1.999794] WARNING: CPU: 1 PID: 105 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.999795] WARN_ON(!msg->buffer != !msg->size) [ 1.999795] Modules linked in: [ 1.999795] crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button [ 1.999805] CPU: 1 PID: 105 Comm: kworker/u8:3 Tainted: G U W 4.9.0-rc5-bfq-gentoo+ #20 [ 1.999806] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016 [ 1.999808] Workqueue: events_unbound async_run_entry_fn [ 1.999809] ffffc900001bbac0 ffffffff8137adfb ffffc900001bbb10 0000000000000000 [ 1.999811] ffffc900001bbb00 [ 1.999812] ffffffff810523cc 0000042600000001 ffffc900001bbbd0 [ 1.999813] ffff880407a800e0 [ 1.999814] 0000000000000003 00000000fffffffb 00000000fffffffb [ 1.999816] Call Trace: [ 1.999818] [] dump_stack+0x4d/0x72 [ 1.999819] [] __warn+0xcc/0xf0 [ 1.999821] [] warn_slowpath_fmt+0x4a/0x50 [ 1.999822] [] ? hrtimer_init+0x100/0x100 [ 1.999845] [] intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 1.999848] [] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper] [ 1.999850] [] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper] [ 1.999874] [] intel_dp_start_link_train+0x2a8/0x4c0 [i915] [ 1.999896] [] intel_dp_check_link_status+0xb6/0xf0 [i915] [ 1.999920] [] intel_dp_detect+0x72b/0xbb0 [i915] [ 1.999923] [] drm_helper_probe_single_connector_modes+0x406/0x4d0 [drm_kms_helper] [ 1.999924] [] ? schedule+0x38/0x90 [ 1.999927] [] drm_fb_helper_probe_connector_modes.isra.5+0x48/0x70 [drm_kms_helper] [ 1.999930] [] drm_fb_helper_initial_config+0x5e/0x3bb [drm_kms_helper] [ 1.999953] [] intel_fbdev_initial_config+0x13/0x30 [i915] [ 1.999955] [] async_run_entry_fn+0x32/0xe0 [ 1.999956] [] process_one_work+0x140/0x3e0 [ 1.999958] [] worker_thread+0x49/0x480 [ 1.999960] [] ? process_one_work+0x3e0/0x3e0 [ 1.999961] [] kthread+0xc5/0xe0 [ 1.999962] [] ? kthread_park+0x60/0x60 [ 1.999963] [] ? kthread_park+0x60/0x60 [ 1.999965] [] ret_from_fork+0x22/0x30 [ 1.999966] ---[ end trace 60f064180c1be660 ]--- [ 2.000712] ------------[ cut here ]------------ [ 2.000741] WARNING: CPU: 1 PID: 105 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 2.000749] WARN_ON(!msg->buffer != !msg->size) [ 2.000749] Modules linked in: [ 2.000750] crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button [ 2.000761] CPU: 1 PID: 105 Comm: kworker/u8:3 Tainted: G U W 4.9.0-rc5-bfq-gentoo+ #20 [ 2.000761] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016 [ 2.000764] Workqueue: events_unbound async_run_entry_fn [ 2.000766] ffffc900001bbac0 ffffffff8137adfb ffffc900001bbb10 0000000000000000 [ 2.000768] ffffc900001bbb00 ffffffff810523cc 0000042600000001 ffffc900001bbbd0 [ 2.000769] ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb [ 2.000771] Call Trace: [ 2.000774] [] dump_stack+0x4d/0x72 [ 2.000776] [] __warn+0xcc/0xf0 [ 2.000777] [] warn_slowpath_fmt+0x4a/0x50 [ 2.000779] [] ? hrtimer_init+0x100/0x100 [ 2.000803] [] intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 2.000807] [] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper] [ 2.000809] [] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper] [ 2.000833] [] intel_dp_start_link_train+0x2a8/0x4c0 [i915] [ 2.000859] [] intel_dp_check_link_status+0xb6/0xf0 [i915] [ 2.000884] [] intel_dp_detect+0x72b/0xbb0 [i915] [ 2.000887] [] drm_helper_probe_single_connector_modes+0x406/0x4d0 [drm_kms_helper] [ 2.000888] [] ? schedule+0x38/0x90 [ 2.000891] [] drm_fb_helper_probe_connector_modes.isra.5+0x48/0x70 [drm_kms_helper] [ 2.000894] [] drm_fb_helper_initial_config+0x5e/0x3bb [drm_kms_helper] [ 2.000918] [] intel_fbdev_initial_config+0x13/0x30 [i915] [ 2.000920] [] async_run_entry_fn+0x32/0xe0 [ 2.000922] [] process_one_work+0x140/0x3e0 [ 2.000924] [] worker_thread+0x49/0x480 [ 2.000926] [] ? process_one_work+0x3e0/0x3e0 [ 2.000927] [] kthread+0xc5/0xe0 [ 2.000928] [] ? kthread_park+0x60/0x60 [ 2.000929] [] ? kthread_park+0x60/0x60 [ 2.000931] [] ret_from_fork+0x22/0x30 [ 2.000932] ---[ end trace 60f064180c1be661 ]--- [ 2.001693] ------------[ cut here ]------------ [ 2.001714] WARNING: CPU: 1 PID: 105 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 2.001714] WARN_ON(!msg->buffer != !msg->size) [ 2.001715] Modules linked in: [ 2.001715] crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button [ 2.001724] CPU: 1 PID: 105 Comm: kworker/u8:3 Tainted: G U W 4.9.0-rc5-bfq-gentoo+ #20 [ 2.001724] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016 [ 2.001726] Workqueue: events_unbound async_run_entry_fn [ 2.001727] ffffc900001bbac0 ffffffff8137adfb ffffc900001bbb10 0000000000000000 [ 2.001728] ffffc900001bbb00 ffffffff810523cc 0000042600000001 ffffc900001bbbd0 [ 2.001730] ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb [ 2.001731] Call Trace: [ 2.001733] [] dump_stack+0x4d/0x72 [ 2.001734] [] __warn+0xcc/0xf0 [ 2.001736] [] warn_slowpath_fmt+0x4a/0x50 [ 2.001737] [] ? hrtimer_init+0x100/0x100 [ 2.001755] [] intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 2.001757] [] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper] [ 2.001759] [] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper] [ 2.001775] [] intel_dp_start_link_train+0x2a8/0x4c0 [i915] [ 2.001790] [] intel_dp_check_link_status+0xb6/0xf0 [i915] [ 2.001804] [] intel_dp_detect+0x72b/0xbb0 [i915] [ 2.001807] [] drm_helper_probe_single_connector_modes+0x406/0x4d0 [drm_kms_helper] [ 2.001808] [] ? schedule+0x38/0x90 [ 2.001810] [] drm_fb_helper_probe_connector_modes.isra.5+0x48/0x70 [drm_kms_helper] [ 2.001812] [] drm_fb_helper_initial_config+0x5e/0x3bb [drm_kms_helper] [ 2.001829] [] intel_fbdev_initial_config+0x13/0x30 [i915] [ 2.001831] [] async_run_entry_fn+0x32/0xe0 [ 2.001832] [] process_one_work+0x140/0x3e0 [ 2.001833] [] worker_thread+0x49/0x480 [ 2.001835] [] ? process_one_work+0x3e0/0x3e0 [ 2.001835] [] kthread+0xc5/0xe0 [ 2.001836] [] ? kthread_park+0x60/0x60 [ 2.001837] [] ? kthread_park+0x60/0x60 [ 2.001839] [] ret_from_fork+0x22/0x30 [ 2.001846] ---[ end trace 60f064180c1be662 ]--- [ 2.002618] ------------[ cut here ]------------ [ 2.002642] WARNING: CPU: 1 PID: 105 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 2.002643] WARN_ON(!msg->buffer != !msg->size) [ 2.002643] Modules linked in: [ 2.002644] crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button [ 2.002654] CPU: 1 PID: 105 Comm: kworker/u8:3 Tainted: G U W 4.9.0-rc5-bfq-gentoo+ #20 [ 2.002654] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016 [ 2.002656] Workqueue: events_unbound async_run_entry_fn [ 2.002657] ffffc900001bbac0 ffffffff8137adfb ffffc900001bbb10 0000000000000000 [ 2.002659] ffffc900001bbb00 ffffffff810523cc 0000042600000001 ffffc900001bbbd0 [ 2.002661] ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb [ 2.002663] Call Trace: [ 2.002665] [] dump_stack+0x4d/0x72 [ 2.002667] [] __warn+0xcc/0xf0 [ 2.002668] [] warn_slowpath_fmt+0x4a/0x50 [ 2.002670] [] ? hrtimer_init+0x100/0x100 [ 2.002693] [] intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 2.002696] [] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper] [ 2.002698] [] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper] [ 2.002722] [] intel_dp_start_link_train+0x2a8/0x4c0 [i915] [ 2.002746] [] intel_dp_check_link_status+0xb6/0xf0 [i915] [ 2.002766] [] intel_dp_detect+0x72b/0xbb0 [i915] [ 2.002769] [] drm_helper_probe_single_connector_modes+0x406/0x4d0 [drm_kms_helper] [ 2.002770] [] ? schedule+0x38/0x90 [ 2.002773] [] drm_fb_helper_probe_connector_modes.isra.5+0x48/0x70 [drm_kms_helper] [ 2.002775] [] drm_fb_helper_initial_config+0x5e/0x3bb [drm_kms_helper] [ 2.002796] [] intel_fbdev_initial_config+0x13/0x30 [i915] [ 2.002797] [] async_run_entry_fn+0x32/0xe0 [ 2.002799] [] process_one_work+0x140/0x3e0 [ 2.002800] [] worker_thread+0x49/0x480 [ 2.002802] [] ? process_one_work+0x3e0/0x3e0 [ 2.002803] [] kthread+0xc5/0xe0 [ 2.002804] [] ? kthread_park+0x60/0x60 [ 2.002805] [] ? kthread_park+0x60/0x60 [ 2.002806] [] ret_from_fork+0x22/0x30 [ 2.002814] ---[ end trace 60f064180c1be663 ]--- [ 2.003574] ------------[ cut here ]------------ [ 2.003598] WARNING: CPU: 1 PID: 105 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 2.003599] WARN_ON(!msg->buffer != !msg->size) [ 2.003599] Modules linked in: [ 2.003600] crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button [ 2.003610] CPU: 1 PID: 105 Comm: kworker/u8:3 Tainted: G U W 4.9.0-rc5-bfq-gentoo+ #20 [ 2.003611] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016 [ 2.003612] Workqueue: events_unbound async_run_entry_fn [ 2.003613] ffffc900001bbac0 ffffffff8137adfb ffffc900001bbb10 0000000000000000 [ 2.003615] ffffc900001bbb00 ffffffff810523cc 0000042600000001 ffffc900001bbbd0 [ 2.003617] ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb [ 2.003619] Call Trace: [ 2.003621] [] dump_stack+0x4d/0x72 [ 2.003623] [] __warn+0xcc/0xf0 [ 2.003624] [] warn_slowpath_fmt+0x4a/0x50 [ 2.003626] [] ? hrtimer_init+0x100/0x100 [ 2.003649] [] intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 2.003651] [] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper] [ 2.003654] [] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper] [ 2.003677] [] intel_dp_start_link_train+0x2a8/0x4c0 [i915] [ 2.003700] [] intel_dp_check_link_status+0xb6/0xf0 [i915] [ 2.003723] [] intel_dp_detect+0x72b/0xbb0 [i915] [ 2.003726] [] drm_helper_probe_single_connector_modes+0x406/0x4d0 [drm_kms_helper] [ 2.003727] [] ? schedule+0x38/0x90 [ 2.003730] [] drm_fb_helper_probe_connector_modes.isra.5+0x48/0x70 [drm_kms_helper] [ 2.003733] [] drm_fb_helper_initial_config+0x5e/0x3bb [drm_kms_helper] [ 2.003761] [] intel_fbdev_initial_config+0x13/0x30 [i915] [ 2.003763] [] async_run_entry_fn+0x32/0xe0 [ 2.003764] [] process_one_work+0x140/0x3e0 [ 2.003766] [] worker_thread+0x49/0x480 [ 2.003767] [] ? process_one_work+0x3e0/0x3e0 [ 2.003768] [] kthread+0xc5/0xe0 [ 2.003769] [] ? kthread_park+0x60/0x60 [ 2.003770] [] ? kthread_park+0x60/0x60 [ 2.003772] [] ret_from_fork+0x22/0x30 [ 2.003781] ---[ end trace 60f064180c1be664 ]--- [ 2.004539] ------------[ cut here ]------------ [ 2.004562] WARNING: CPU: 1 PID: 105 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 2.004563] WARN_ON(!msg->buffer != !msg->size) [ 2.004563] Modules linked in: [ 2.004564] crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button [ 2.004574] CPU: 1 PID: 105 Comm: kworker/u8:3 Tainted: G U W 4.9.0-rc5-bfq-gentoo+ #20 [ 2.004575] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016 [ 2.004577] Workqueue: events_unbound async_run_entry_fn [ 2.004577] ffffc900001bbac0 ffffffff8137adfb ffffc900001bbb10 0000000000000000 [ 2.004579] ffffc900001bbb00 ffffffff810523cc 0000042600000001 ffffc900001bbbd0 [ 2.004581] ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb [ 2.004583] Call Trace: [ 2.004585] [] dump_stack+0x4d/0x72 [ 2.004586] [] __warn+0xcc/0xf0 [ 2.004588] [] warn_slowpath_fmt+0x4a/0x50 [ 2.004589] [] ? hrtimer_init+0x100/0x100 [ 2.004609] [] intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 2.004611] [] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper] [ 2.004613] [] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper] [ 2.004632] [] intel_dp_start_link_train+0x2a8/0x4c0 [i915] [ 2.004648] [] intel_dp_check_link_status+0xb6/0xf0 [i915] [ 2.004665] [] intel_dp_detect+0x72b/0xbb0 [i915] [ 2.004668] [] drm_helper_probe_single_connector_modes+0x406/0x4d0 [drm_kms_helper] [ 2.004669] [] ? schedule+0x38/0x90 [ 2.004671] [] drm_fb_helper_probe_connector_modes.isra.5+0x48/0x70 [drm_kms_helper] [ 2.004674] [] drm_fb_helper_initial_config+0x5e/0x3bb [drm_kms_helper] [ 2.004693] [] intel_fbdev_initial_config+0x13/0x30 [i915] [ 2.004694] [] async_run_entry_fn+0x32/0xe0 [ 2.004696] [] process_one_work+0x140/0x3e0 [ 2.004697] [] worker_thread+0x49/0x480 [ 2.004699] [] ? process_one_work+0x3e0/0x3e0 [ 2.004700] [] kthread+0xc5/0xe0 [ 2.004701] [] ? kthread_park+0x60/0x60 [ 2.004702] [] ? kthread_park+0x60/0x60 [ 2.004703] [] ret_from_fork+0x22/0x30 [ 2.004704] ---[ end trace 60f064180c1be665 ]--- [ 2.005469] ------------[ cut here ]------------ [ 2.005488] WARNING: CPU: 1 PID: 105 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 2.005488] WARN_ON(!msg->buffer != !msg->size) [ 2.005489] Modules linked in: [ 2.005489] crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button [ 2.005499] CPU: 1 PID: 105 Comm: kworker/u8:3 Tainted: G U W 4.9.0-rc5-bfq-gentoo+ #20 [ 2.005500] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016 [ 2.005502] Workqueue: events_unbound async_run_entry_fn [ 2.005502] ffffc900001bbac0 ffffffff8137adfb ffffc900001bbb10 0000000000000000 [ 2.005504] ffffc900001bbb00 ffffffff810523cc 0000042600000001 ffffc900001bbbd0 [ 2.005506] ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb [ 2.005508] Call Trace: [ 2.005510] [] dump_stack+0x4d/0x72 [ 2.005511] [] __warn+0xcc/0xf0 [ 2.005512] [] warn_slowpath_fmt+0x4a/0x50 [ 2.005514] [] ? hrtimer_init+0x100/0x100 [ 2.005531] [] intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 2.005533] [] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper] [ 2.005535] [] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper] [ 2.005552] [] intel_dp_start_link_train+0x2a8/0x4c0 [i915] [ 2.005567] [] intel_dp_check_link_status+0xb6/0xf0 [i915] [ 2.005583] [] intel_dp_detect+0x72b/0xbb0 [i915] [ 2.005585] [] drm_helper_probe_single_connector_modes+0x406/0x4d0 [drm_kms_helper] [ 2.005587] [] ? schedule+0x38/0x90 [ 2.005589] [] drm_fb_helper_probe_connector_modes.isra.5+0x48/0x70 [drm_kms_helper] [ 2.005592] [] drm_fb_helper_initial_config+0x5e/0x3bb [drm_kms_helper] [ 2.005610] [] intel_fbdev_initial_config+0x13/0x30 [i915] [ 2.005611] [] async_run_entry_fn+0x32/0xe0 [ 2.005613] [] process_one_work+0x140/0x3e0 [ 2.005614] [] worker_thread+0x49/0x480 [ 2.005616] [] ? process_one_work+0x3e0/0x3e0 [ 2.005617] [] kthread+0xc5/0xe0 [ 2.005618] [] ? kthread_park+0x60/0x60 [ 2.005619] [] ? kthread_park+0x60/0x60 [ 2.005620] [] ret_from_fork+0x22/0x30 [ 2.005621] ---[ end trace 60f064180c1be666 ]--- [ 2.006386] ------------[ cut here ]------------ [ 2.006409] WARNING: CPU: 1 PID: 105 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 2.006410] WARN_ON(!msg->buffer != !msg->size) [ 2.006410] Modules linked in: [ 2.006411] crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button [ 2.006421] CPU: 1 PID: 105 Comm: kworker/u8:3 Tainted: G U W 4.9.0-rc5-bfq-gentoo+ #20 [ 2.006421] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016 [ 2.006423] Workqueue: events_unbound async_run_entry_fn [ 2.006424] ffffc900001bbac0 ffffffff8137adfb ffffc900001bbb10 0000000000000000 [ 2.006426] ffffc900001bbb00 ffffffff810523cc 0000042600000001 ffffc900001bbbd0 [ 2.006428] ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb [ 2.006430] Call Trace: [ 2.006432] [] dump_stack+0x4d/0x72 [ 2.006433] [] __warn+0xcc/0xf0 [ 2.006435] [] warn_slowpath_fmt+0x4a/0x50 [ 2.006437] [] ? hrtimer_init+0x100/0x100 [ 2.006460] [] intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 2.006463] [] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper] [ 2.006465] [] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper] [ 2.006488] [] intel_dp_start_link_train+0x2a8/0x4c0 [i915] [ 2.006512] [] intel_dp_check_link_status+0xb6/0xf0 [i915] [ 2.006535] [] intel_dp_detect+0x72b/0xbb0 [i915] [ 2.006538] [] drm_helper_probe_single_connector_modes+0x406/0x4d0 [drm_kms_helper] [ 2.006539] [] ? schedule+0x38/0x90 [ 2.006542] [] drm_fb_helper_probe_connector_modes.isra.5+0x48/0x70 [drm_kms_helper] [ 2.006544] [] drm_fb_helper_initial_config+0x5e/0x3bb [drm_kms_helper] [ 2.006567] [] intel_fbdev_initial_config+0x13/0x30 [i915] [ 2.006569] [] async_run_entry_fn+0x32/0xe0 [ 2.006571] [] process_one_work+0x140/0x3e0 [ 2.006572] [] worker_thread+0x49/0x480 [ 2.006574] [] ? process_one_work+0x3e0/0x3e0 [ 2.006575] [] kthread+0xc5/0xe0 [ 2.006576] [] ? kthread_park+0x60/0x60 [ 2.006577] [] ? kthread_park+0x60/0x60 [ 2.006579] [] ret_from_fork+0x22/0x30 [ 2.006580] ---[ end trace 60f064180c1be667 ]--- [ 2.007344] ------------[ cut here ]------------ [ 2.007368] WARNING: CPU: 1 PID: 105 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 2.007368] WARN_ON(!msg->buffer != !msg->size) [ 2.007369] Modules linked in: [ 2.007369] crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button [ 2.007379] CPU: 1 PID: 105 Comm: kworker/u8:3 Tainted: G U W 4.9.0-rc5-bfq-gentoo+ #20 [ 2.007380] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016 [ 2.007382] Workqueue: events_unbound async_run_entry_fn [ 2.007383] ffffc900001bbac0 ffffffff8137adfb ffffc900001bbb10 0000000000000000 [ 2.007385] ffffc900001bbb00 ffffffff810523cc 0000042600000001 ffffc900001bbbd0 [ 2.007386] ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb [ 2.007388] Call Trace: [ 2.007390] [] dump_stack+0x4d/0x72 [ 2.007392] [] __warn+0xcc/0xf0 [ 2.007393] [] warn_slowpath_fmt+0x4a/0x50 [ 2.007395] [] ? hrtimer_init+0x100/0x100 [ 2.007415] [] intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 2.007417] [] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper] [ 2.007419] [] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper] [ 2.007437] [] intel_dp_start_link_train+0x2a8/0x4c0 [i915] [ 2.007460] [] intel_dp_check_link_status+0xb6/0xf0 [i915] [ 2.007483] [] intel_dp_detect+0x72b/0xbb0 [i915] [ 2.007486] [] drm_helper_probe_single_connector_modes+0x406/0x4d0 [drm_kms_helper] [ 2.007487] [] ? schedule+0x38/0x90 [ 2.007490] [] drm_fb_helper_probe_connector_modes.isra.5+0x48/0x70 [drm_kms_helper] [ 2.007492] [] drm_fb_helper_initial_config+0x5e/0x3bb [drm_kms_helper] [ 2.007516] [] intel_fbdev_initial_config+0x13/0x30 [i915] [ 2.007517] [] async_run_entry_fn+0x32/0xe0 [ 2.007519] [] process_one_work+0x140/0x3e0 [ 2.007521] [] worker_thread+0x49/0x480 [ 2.007522] [] ? process_one_work+0x3e0/0x3e0 [ 2.007523] [] kthread+0xc5/0xe0 [ 2.007524] [] ? kthread_park+0x60/0x60 [ 2.007525] [] ? kthread_park+0x60/0x60 [ 2.007527] [] ret_from_fork+0x22/0x30 [ 2.007528] ---[ end trace 60f064180c1be668 ]--- [ 2.008272] ------------[ cut here ]------------ [ 2.008295] WARNING: CPU: 1 PID: 105 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 2.008295] WARN_ON(!msg->buffer != !msg->size) [ 2.008296] Modules linked in: [ 2.008296] crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button [ 2.008306] CPU: 1 PID: 105 Comm: kworker/u8:3 Tainted: G U W 4.9.0-rc5-bfq-gentoo+ #20 [ 2.008307] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016 [ 2.008309] Workqueue: events_unbound async_run_entry_fn [ 2.008310] ffffc900001bbac0 ffffffff8137adfb ffffc900001bbb10 0000000000000000 [ 2.008312] ffffc900001bbb00 ffffffff810523cc 0000042600000001 ffffc900001bbbd0 [ 2.008313] ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb [ 2.008315] Call Trace: [ 2.008317] [] dump_stack+0x4d/0x72 [ 2.008319] [] __warn+0xcc/0xf0 [ 2.008320] [] warn_slowpath_fmt+0x4a/0x50 [ 2.008322] [] ? hrtimer_init+0x100/0x100 [ 2.008340] [] intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 2.008343] [] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper] [ 2.008345] [] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper] [ 2.008363] [] intel_dp_start_link_train+0x2a8/0x4c0 [i915] [ 2.008379] [] intel_dp_check_link_status+0xb6/0xf0 [i915] [ 2.008396] [] intel_dp_detect+0x72b/0xbb0 [i915] [ 2.008398] [] drm_helper_probe_single_connector_modes+0x406/0x4d0 [drm_kms_helper] [ 2.008400] [] ? schedule+0x38/0x90 [ 2.008402] [] drm_fb_helper_probe_connector_modes.isra.5+0x48/0x70 [drm_kms_helper] [ 2.008405] [] drm_fb_helper_initial_config+0x5e/0x3bb [drm_kms_helper] [ 2.008428] [] intel_fbdev_initial_config+0x13/0x30 [i915] [ 2.008429] [] async_run_entry_fn+0x32/0xe0 [ 2.008431] [] process_one_work+0x140/0x3e0 [ 2.008432] [] worker_thread+0x49/0x480 [ 2.008434] [] ? process_one_work+0x3e0/0x3e0 [ 2.008435] [] kthread+0xc5/0xe0 [ 2.008436] [] ? kthread_park+0x60/0x60 [ 2.008437] [] ? kthread_park+0x60/0x60 [ 2.008439] [] ret_from_fork+0x22/0x30 [ 2.008440] ---[ end trace 60f064180c1be669 ]--- [ 2.009183] ------------[ cut here ]------------ [ 2.009203] WARNING: CPU: 1 PID: 105 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 2.009204] WARN_ON(!msg->buffer != !msg->size) [ 2.009204] Modules linked in: [ 2.009204] crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci [ 2.009208] sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button [ 2.009216] CPU: 1 PID: 105 Comm: kworker/u8:3 Tainted: G U W 4.9.0-rc5-bfq-gentoo+ #20 [ 2.009216] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016 [ 2.009218] Workqueue: events_unbound async_run_entry_fn [ 2.009219] ffffc900001bbac0 ffffffff8137adfb [ 2.009220] ffffc900001bbb10 0000000000000000 [ 2.009221] ffffc900001bbb00 ffffffff810523cc [ 2.009223] 0000042600000001 ffffc900001bbbd0 [ 2.009224] ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb [ 2.009225] Call Trace: [ 2.009228] [] dump_stack+0x4d/0x72 [ 2.009229] [] __warn+0xcc/0xf0 [ 2.009230] [] warn_slowpath_fmt+0x4a/0x50 [ 2.009232] [] ? hrtimer_init+0x100/0x100 [ 2.009255] [] intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 2.009257] [] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper] [ 2.009260] [] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper] [ 2.009283] [] intel_dp_start_link_train+0x2a8/0x4c0 [i915] [ 2.009307] [] intel_dp_check_link_status+0xb6/0xf0 [i915] [ 2.009330] [] intel_dp_detect+0x72b/0xbb0 [i915] [ 2.009333] [] drm_helper_probe_single_connector_modes+0x406/0x4d0 [drm_kms_helper] [ 2.009334] [] ? schedule+0x38/0x90 [ 2.009338] [] drm_fb_helper_probe_connector_modes.isra.5+0x48/0x70 [drm_kms_helper] [ 2.009340] [] drm_fb_helper_initial_config+0x5e/0x3bb [drm_kms_helper] [ 2.009363] [] intel_fbdev_initial_config+0x13/0x30 [i915] [ 2.009365] [] async_run_entry_fn+0x32/0xe0 [ 2.009367] [] process_one_work+0x140/0x3e0 [ 2.009369] [] worker_thread+0x49/0x480 [ 2.009370] [] ? process_one_work+0x3e0/0x3e0 [ 2.009371] [] kthread+0xc5/0xe0 [ 2.009372] [] ? kthread_park+0x60/0x60 [ 2.009373] [] ? kthread_park+0x60/0x60 [ 2.009375] [] ret_from_fork+0x22/0x30 [ 2.009376] ---[ end trace 60f064180c1be66a ]--- [ 2.010138] ------------[ cut here ]------------ [ 2.010162] WARNING: CPU: 1 PID: 105 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 2.010162] WARN_ON(!msg->buffer != !msg->size) [ 2.010163] Modules linked in: [ 2.010163] crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button [ 2.010173] CPU: 1 PID: 105 Comm: kworker/u8:3 Tainted: G U W 4.9.0-rc5-bfq-gentoo+ #20 [ 2.010174] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016 [ 2.010175] Workqueue: events_unbound async_run_entry_fn [ 2.010176] ffffc900001bbac0 ffffffff8137adfb ffffc900001bbb10 0000000000000000 [ 2.010178] ffffc900001bbb00 ffffffff810523cc 0000042600000001 ffffc900001bbbd0 [ 2.010180] ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb [ 2.010182] Call Trace: [ 2.010184] [] dump_stack+0x4d/0x72 [ 2.010185] [] __warn+0xcc/0xf0 [ 2.010187] [] warn_slowpath_fmt+0x4a/0x50 [ 2.010188] [] ? hrtimer_init+0x100/0x100 [ 2.010211] [] intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 2.010214] [] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper] [ 2.010216] [] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper] [ 2.010239] [] intel_dp_start_link_train+0x2a8/0x4c0 [i915] [ 2.010262] [] intel_dp_check_link_status+0xb6/0xf0 [i915] [ 2.010285] [] intel_dp_detect+0x72b/0xbb0 [i915] [ 2.010288] [] drm_helper_probe_single_connector_modes+0x406/0x4d0 [drm_kms_helper] [ 2.010289] [] ? schedule+0x38/0x90 [ 2.010292] [] drm_fb_helper_probe_connector_modes.isra.5+0x48/0x70 [drm_kms_helper] [ 2.010294] [] drm_fb_helper_initial_config+0x5e/0x3bb [drm_kms_helper] [ 2.010318] [] intel_fbdev_initial_config+0x13/0x30 [i915] [ 2.010319] [] async_run_entry_fn+0x32/0xe0 [ 2.010321] [] process_one_work+0x140/0x3e0 [ 2.010323] [] worker_thread+0x49/0x480 [ 2.010324] [] ? process_one_work+0x3e0/0x3e0 [ 2.010325] [] kthread+0xc5/0xe0 [ 2.010326] [] ? kthread_park+0x60/0x60 [ 2.010327] [] ? kthread_park+0x60/0x60 [ 2.010329] [] ret_from_fork+0x22/0x30 [ 2.010330] ---[ end trace 60f064180c1be66b ]--- [ 2.011072] ------------[ cut here ]------------ [ 2.011096] WARNING: CPU: 1 PID: 105 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 2.011097] WARN_ON(!msg->buffer != !msg->size) [ 2.011097] Modules linked in: [ 2.011098] crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci [ 2.011101] sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button [ 2.011109] CPU: 1 PID: 105 Comm: kworker/u8:3 Tainted: G U W 4.9.0-rc5-bfq-gentoo+ #20 [ 2.011109] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016 [ 2.011111] Workqueue: events_unbound async_run_entry_fn [ 2.011112] ffffc900001bbac0 ffffffff8137adfb ffffc900001bbb10 [ 2.011114] 0000000000000000 [ 2.011115] ffffc900001bbb00 ffffffff810523cc 0000042600000001 ffffc900001bbbd0 [ 2.011117] ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb [ 2.011119] Call Trace: [ 2.011121] [] dump_stack+0x4d/0x72 [ 2.011122] [] __warn+0xcc/0xf0 [ 2.011124] [] warn_slowpath_fmt+0x4a/0x50 [ 2.011125] [] ? hrtimer_init+0x100/0x100 [ 2.011148] [] intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 2.011151] [] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper] [ 2.011154] [] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper] [ 2.011177] [] intel_dp_start_link_train+0x2a8/0x4c0 [i915] [ 2.011198] [] intel_dp_check_link_status+0xb6/0xf0 [i915] [ 2.011222] [] intel_dp_detect+0x72b/0xbb0 [i915] [ 2.011225] [] drm_helper_probe_single_connector_modes+0x406/0x4d0 [drm_kms_helper] [ 2.011226] [] ? schedule+0x38/0x90 [ 2.011230] [] drm_fb_helper_probe_connector_modes.isra.5+0x48/0x70 [drm_kms_helper] [ 2.011232] [] drm_fb_helper_initial_config+0x5e/0x3bb [drm_kms_helper] [ 2.011255] [] intel_fbdev_initial_config+0x13/0x30 [i915] [ 2.011257] [] async_run_entry_fn+0x32/0xe0 [ 2.011259] [] process_one_work+0x140/0x3e0 [ 2.011261] [] worker_thread+0x49/0x480 [ 2.011262] [] ? process_one_work+0x3e0/0x3e0 [ 2.011263] [] kthread+0xc5/0xe0 [ 2.011265] [] ? kthread_park+0x60/0x60 [ 2.011266] [] ? kthread_park+0x60/0x60 [ 2.011267] [] ret_from_fork+0x22/0x30 [ 2.011268] ---[ end trace 60f064180c1be66c ]--- [ 2.012029] ------------[ cut here ]------------ [ 2.012054] WARNING: CPU: 1 PID: 105 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 2.012054] WARN_ON(!msg->buffer != !msg->size) [ 2.012054] Modules linked in: [ 2.012055] crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button [ 2.012065] CPU: 1 PID: 105 Comm: kworker/u8:3 Tainted: G U W 4.9.0-rc5-bfq-gentoo+ #20 [ 2.012065] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016 [ 2.012067] Workqueue: events_unbound async_run_entry_fn [ 2.012068] ffffc900001bbac0 ffffffff8137adfb ffffc900001bbb10 0000000000000000 [ 2.012070] ffffc900001bbb00 ffffffff810523cc 0000042600000001 ffffc900001bbbd0 [ 2.012072] ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb [ 2.012073] Call Trace: [ 2.012075] [] dump_stack+0x4d/0x72 [ 2.012077] [] __warn+0xcc/0xf0 [ 2.012078] [] warn_slowpath_fmt+0x4a/0x50 [ 2.012080] [] ? hrtimer_init+0x100/0x100 [ 2.012100] [] intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 2.012103] [] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper] [ 2.012105] [] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper] [ 2.012123] [] intel_dp_start_link_train+0x2a8/0x4c0 [i915] [ 2.012145] [] intel_dp_check_link_status+0xb6/0xf0 [i915] [ 2.012168] [] intel_dp_detect+0x72b/0xbb0 [i915] [ 2.012171] [] drm_helper_probe_single_connector_modes+0x406/0x4d0 [drm_kms_helper] [ 2.012172] [] ? schedule+0x38/0x90 [ 2.012175] [] drm_fb_helper_probe_connector_modes.isra.5+0x48/0x70 [drm_kms_helper] [ 2.012178] [] drm_fb_helper_initial_config+0x5e/0x3bb [drm_kms_helper] [ 2.012201] [] intel_fbdev_initial_config+0x13/0x30 [i915] [ 2.012203] [] async_run_entry_fn+0x32/0xe0 [ 2.012204] [] process_one_work+0x140/0x3e0 [ 2.012206] [] worker_thread+0x49/0x480 [ 2.012207] [] ? process_one_work+0x3e0/0x3e0 [ 2.012208] [] kthread+0xc5/0xe0 [ 2.012209] [] ? kthread_park+0x60/0x60 [ 2.012210] [] ? kthread_park+0x60/0x60 [ 2.012212] [] ret_from_fork+0x22/0x30 [ 2.012213] ---[ end trace 60f064180c1be66d ]--- [ 2.012955] ------------[ cut here ]------------ [ 2.012980] WARNING: CPU: 1 PID: 105 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 2.012980] WARN_ON(!msg->buffer != !msg->size) [ 2.012981] Modules linked in: [ 2.012981] crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt [ 2.012984] sdhci_pci [ 2.012985] sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button [ 2.012992] CPU: 1 PID: 105 Comm: kworker/u8:3 Tainted: G U W 4.9.0-rc5-bfq-gentoo+ #20 [ 2.012993] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016 [ 2.012995] Workqueue: events_unbound async_run_entry_fn [ 2.012996] ffffc900001bbac0 ffffffff8137adfb ffffc900001bbb10 [ 2.012998] 0000000000000000 [ 2.012999] ffffc900001bbb00 ffffffff810523cc 0000042600000001 ffffc900001bbbd0 [ 2.013001] ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb [ 2.013002] Call Trace: [ 2.013004] [] dump_stack+0x4d/0x72 [ 2.013006] [] __warn+0xcc/0xf0 [ 2.013007] [] warn_slowpath_fmt+0x4a/0x50 [ 2.013009] [] ? hrtimer_init+0x100/0x100 [ 2.013033] [] intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 2.013036] [] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper] [ 2.013039] [] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper] [ 2.013062] [] intel_dp_start_link_train+0x2a8/0x4c0 [i915] [ 2.013086] [] intel_dp_check_link_status+0xb6/0xf0 [i915] [ 2.013109] [] intel_dp_detect+0x72b/0xbb0 [i915] [ 2.013112] [] drm_helper_probe_single_connector_modes+0x406/0x4d0 [drm_kms_helper] [ 2.013114] [] ? schedule+0x38/0x90 [ 2.013117] [] drm_fb_helper_probe_connector_modes.isra.5+0x48/0x70 [drm_kms_helper] [ 2.013119] [] drm_fb_helper_initial_config+0x5e/0x3bb [drm_kms_helper] [ 2.013141] [] intel_fbdev_initial_config+0x13/0x30 [i915] [ 2.013143] [] async_run_entry_fn+0x32/0xe0 [ 2.013145] [] process_one_work+0x140/0x3e0 [ 2.013147] [] worker_thread+0x49/0x480 [ 2.013149] [] ? process_one_work+0x3e0/0x3e0 [ 2.013150] [] kthread+0xc5/0xe0 [ 2.013151] [] ? kthread_park+0x60/0x60 [ 2.013152] [] ? kthread_park+0x60/0x60 [ 2.013154] [] ret_from_fork+0x22/0x30 [ 2.013154] ---[ end trace 60f064180c1be66e ]--- [ 2.013895] ------------[ cut here ]------------ [ 2.013919] WARNING: CPU: 1 PID: 105 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 2.013920] WARN_ON(!msg->buffer != !msg->size) [ 2.013920] Modules linked in: [ 2.013921] crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci [ 2.013924] sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button [ 2.013932] CPU: 1 PID: 105 Comm: kworker/u8:3 Tainted: G U W 4.9.0-rc5-bfq-gentoo+ #20 [ 2.013932] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016 [ 2.013935] Workqueue: events_unbound async_run_entry_fn [ 2.013936] ffffc900001bbac0 ffffffff8137adfb ffffc900001bbb10 [ 2.013937] 0000000000000000 [ 2.013938] ffffc900001bbb00 ffffffff810523cc 0000042600000001 ffffc900001bbbd0 [ 2.013940] ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb [ 2.013942] Call Trace: [ 2.013944] [] dump_stack+0x4d/0x72 [ 2.013945] [] __warn+0xcc/0xf0 [ 2.013947] [] warn_slowpath_fmt+0x4a/0x50 [ 2.013948] [] ? hrtimer_init+0x100/0x100 [ 2.013969] [] intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 2.013972] [] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper] [ 2.013974] [] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper] [ 2.013993] [] intel_dp_start_link_train+0x2a8/0x4c0 [i915] [ 2.014011] [] intel_dp_check_link_status+0xb6/0xf0 [i915] [ 2.014028] [] intel_dp_detect+0x72b/0xbb0 [i915] [ 2.014031] [] drm_helper_probe_single_connector_modes+0x406/0x4d0 [drm_kms_helper] [ 2.014033] [] ? schedule+0x38/0x90 [ 2.014035] [] drm_fb_helper_probe_connector_modes.isra.5+0x48/0x70 [drm_kms_helper] [ 2.014038] [] drm_fb_helper_initial_config+0x5e/0x3bb [drm_kms_helper] [ 2.014057] [] intel_fbdev_initial_config+0x13/0x30 [i915] [ 2.014059] [] async_run_entry_fn+0x32/0xe0 [ 2.014060] [] process_one_work+0x140/0x3e0 [ 2.014062] [] worker_thread+0x49/0x480 [ 2.014064] [] ? process_one_work+0x3e0/0x3e0 [ 2.014065] [] kthread+0xc5/0xe0 [ 2.014066] [] ? kthread_park+0x60/0x60 [ 2.014067] [] ? kthread_park+0x60/0x60 [ 2.014068] [] ret_from_fork+0x22/0x30 [ 2.014069] ---[ end trace 60f064180c1be66f ]--- [ 2.014785] ------------[ cut here ]------------ [ 2.014812] WARNING: CPU: 1 PID: 105 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 2.014813] WARN_ON(!msg->buffer != !msg->size) [ 2.014814] Modules linked in: [ 2.014814] crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci [ 2.014818] mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button [ 2.014825] CPU: 1 PID: 105 Comm: kworker/u8:3 Tainted: G U W 4.9.0-rc5-bfq-gentoo+ #20 [ 2.014826] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016 [ 2.014828] Workqueue: events_unbound async_run_entry_fn [ 2.014829] ffffc900001bbac0 ffffffff8137adfb ffffc900001bbb10 0000000000000000 [ 2.014831] ffffc900001bbb00 ffffffff810523cc [ 2.014832] 0000042600000001 [ 2.014833] ffffc900001bbbd0 [ 2.014834] ffff880407a800e0 [ 2.014835] 0000000000000003 [ 2.014835] 00000000fffffffb 00000000fffffffb [ 2.014836] Call Trace: [ 2.014839] [] dump_stack+0x4d/0x72 [ 2.014840] [] __warn+0xcc/0xf0 [ 2.014842] [] warn_slowpath_fmt+0x4a/0x50 [ 2.014843] [] ? hrtimer_init+0x100/0x100 [ 2.014868] [] intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 2.014871] [] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper] [ 2.014874] [] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper] [ 2.014898] [] intel_dp_start_link_train+0x2a8/0x4c0 [i915] [ 2.014922] [] intel_dp_check_link_status+0xb6/0xf0 [i915] [ 2.014946] [] intel_dp_detect+0x72b/0xbb0 [i915] [ 2.014949] [] drm_helper_probe_single_connector_modes+0x406/0x4d0 [drm_kms_helper] [ 2.014951] [] ? schedule+0x38/0x90 [ 2.014954] [] drm_fb_helper_probe_connector_modes.isra.5+0x48/0x70 [drm_kms_helper] [ 2.014956] [] drm_fb_helper_initial_config+0x5e/0x3bb [drm_kms_helper] [ 2.014980] [] intel_fbdev_initial_config+0x13/0x30 [i915] [ 2.014982] [] async_run_entry_fn+0x32/0xe0 [ 2.014983] [] process_one_work+0x140/0x3e0 [ 2.014986] [] worker_thread+0x49/0x480 [ 2.014987] [] ? process_one_work+0x3e0/0x3e0 [ 2.014988] [] kthread+0xc5/0xe0 [ 2.014989] [] ? kthread_park+0x60/0x60 [ 2.014990] [] ? kthread_park+0x60/0x60 [ 2.014992] [] ret_from_fork+0x22/0x30 [ 2.014993] ---[ end trace 60f064180c1be670 ]--- [ 2.015762] ------------[ cut here ]------------ [ 2.015787] WARNING: CPU: 1 PID: 105 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 2.015788] WARN_ON(!msg->buffer != !msg->size) [ 2.015788] Modules linked in: [ 2.015789] crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core [ 2.015793] drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button [ 2.015800] CPU: 1 PID: 105 Comm: kworker/u8:3 Tainted: G U W 4.9.0-rc5-bfq-gentoo+ #20 [ 2.015801] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016 [ 2.015802] Workqueue: events_unbound async_run_entry_fn [ 2.015803] ffffc900001bbac0 ffffffff8137adfb ffffc900001bbb10 0000000000000000 [ 2.015805] ffffc900001bbb00 ffffffff810523cc 0000042600000001 ffffc900001bbbd0 [ 2.015808] ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb [ 2.015810] Call Trace: [ 2.015813] [] dump_stack+0x4d/0x72 [ 2.015814] [] __warn+0xcc/0xf0 [ 2.015816] [] warn_slowpath_fmt+0x4a/0x50 [ 2.015818] [] ? hrtimer_init+0x100/0x100 [ 2.015841] [] intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 2.015844] [] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper] [ 2.015846] [] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper] [ 2.015869] [] intel_dp_start_link_train+0x2a8/0x4c0 [i915] [ 2.015892] [] intel_dp_check_link_status+0xb6/0xf0 [i915] [ 2.015915] [] intel_dp_detect+0x72b/0xbb0 [i915] [ 2.015918] [] drm_helper_probe_single_connector_modes+0x406/0x4d0 [drm_kms_helper] [ 2.015920] [] ? schedule+0x38/0x90 [ 2.015923] [] drm_fb_helper_probe_connector_modes.isra.5+0x48/0x70 [drm_kms_helper] [ 2.015925] [] drm_fb_helper_initial_config+0x5e/0x3bb [drm_kms_helper] [ 2.015948] [] intel_fbdev_initial_config+0x13/0x30 [i915] [ 2.015950] [] async_run_entry_fn+0x32/0xe0 [ 2.015952] [] process_one_work+0x140/0x3e0 [ 2.015954] [] worker_thread+0x49/0x480 [ 2.015956] [] ? process_one_work+0x3e0/0x3e0 [ 2.015957] [] kthread+0xc5/0xe0 [ 2.015958] [] ? kthread_park+0x60/0x60 [ 2.015959] [] ? kthread_park+0x60/0x60 [ 2.015961] [] ret_from_fork+0x22/0x30 [ 2.015962] ---[ end trace 60f064180c1be671 ]--- [ 2.016721] ------------[ cut here ]------------ [ 2.016746] WARNING: CPU: 1 PID: 105 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 2.016753] WARN_ON(!msg->buffer != !msg->size) [ 2.016754] Modules linked in: [ 2.016754] crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button [ 2.016764] CPU: 1 PID: 105 Comm: kworker/u8:3 Tainted: G U W 4.9.0-rc5-bfq-gentoo+ #20 [ 2.016765] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016 [ 2.016767] Workqueue: events_unbound async_run_entry_fn [ 2.016768] ffffc900001bbac0 ffffffff8137adfb [ 2.016770] ffffc900001bbb10 0000000000000000 [ 2.016771] ffffc900001bbb00 ffffffff810523cc 0000042600000001 ffffc900001bbbd0 [ 2.016773] ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb [ 2.016774] Call Trace: [ 2.016777] [] dump_stack+0x4d/0x72 [ 2.016778] [] __warn+0xcc/0xf0 [ 2.016780] [] warn_slowpath_fmt+0x4a/0x50 [ 2.016781] [] ? hrtimer_init+0x100/0x100 [ 2.016802] [] intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 2.016804] [] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper] [ 2.016806] [] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper] [ 2.016830] [] intel_dp_start_link_train+0x2a8/0x4c0 [i915] [ 2.016852] [] intel_dp_check_link_status+0xb6/0xf0 [i915] [ 2.016875] [] intel_dp_detect+0x72b/0xbb0 [i915] [ 2.016878] [] drm_helper_probe_single_connector_modes+0x406/0x4d0 [drm_kms_helper] [ 2.016880] [] ? schedule+0x38/0x90 [ 2.016883] [] drm_fb_helper_probe_connector_modes.isra.5+0x48/0x70 [drm_kms_helper] [ 2.016885] [] drm_fb_helper_initial_config+0x5e/0x3bb [drm_kms_helper] [ 2.016909] [] intel_fbdev_initial_config+0x13/0x30 [i915] [ 2.016911] [] async_run_entry_fn+0x32/0xe0 [ 2.016912] [] process_one_work+0x140/0x3e0 [ 2.016915] [] worker_thread+0x49/0x480 [ 2.016916] [] ? process_one_work+0x3e0/0x3e0 [ 2.016917] [] kthread+0xc5/0xe0 [ 2.016919] [] ? kthread_park+0x60/0x60 [ 2.016919] [] ? kthread_park+0x60/0x60 [ 2.016921] [] ret_from_fork+0x22/0x30 [ 2.016922] ---[ end trace 60f064180c1be672 ]--- [ 2.017680] ------------[ cut here ]------------ [ 2.017703] WARNING: CPU: 1 PID: 105 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 2.017704] WARN_ON(!msg->buffer != !msg->size) [ 2.017704] Modules linked in: [ 2.017705] crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button [ 2.017715] CPU: 1 PID: 105 Comm: kworker/u8:3 Tainted: G U W 4.9.0-rc5-bfq-gentoo+ #20 [ 2.017715] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016 [ 2.017717] Workqueue: events_unbound async_run_entry_fn [ 2.017718] ffffc900001bbac0 ffffffff8137adfb ffffc900001bbb10 0000000000000000 [ 2.017720] ffffc900001bbb00 ffffffff810523cc 0000042600000001 ffffc900001bbbd0 [ 2.017722] ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb [ 2.017723] Call Trace: [ 2.017726] [] dump_stack+0x4d/0x72 [ 2.017727] [] __warn+0xcc/0xf0 [ 2.017728] [] warn_slowpath_fmt+0x4a/0x50 [ 2.017730] [] ? hrtimer_init+0x100/0x100 [ 2.017750] [] intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 2.017752] [] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper] [ 2.017755] [] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper] [ 2.017773] [] intel_dp_start_link_train+0x2a8/0x4c0 [i915] [ 2.017789] [] intel_dp_check_link_status+0xb6/0xf0 [i915] [ 2.017812] [] intel_dp_detect+0x72b/0xbb0 [i915] [ 2.017814] [] drm_helper_probe_single_connector_modes+0x406/0x4d0 [drm_kms_helper] [ 2.017816] [] ? schedule+0x38/0x90 [ 2.017819] [] drm_fb_helper_probe_connector_modes.isra.5+0x48/0x70 [drm_kms_helper] [ 2.017821] [] drm_fb_helper_initial_config+0x5e/0x3bb [drm_kms_helper] [ 2.017844] [] intel_fbdev_initial_config+0x13/0x30 [i915] [ 2.017846] [] async_run_entry_fn+0x32/0xe0 [ 2.017848] [] process_one_work+0x140/0x3e0 [ 2.017849] [] worker_thread+0x49/0x480 [ 2.017851] [] ? process_one_work+0x3e0/0x3e0 [ 2.017852] [] kthread+0xc5/0xe0 [ 2.017853] [] ? kthread_park+0x60/0x60 [ 2.017854] [] ? kthread_park+0x60/0x60 [ 2.017856] [] ret_from_fork+0x22/0x30 [ 2.017863] ---[ end trace 60f064180c1be673 ]--- [ 2.018624] ------------[ cut here ]------------ [ 2.018645] WARNING: CPU: 1 PID: 105 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 2.018646] WARN_ON(!msg->buffer != !msg->size) [ 2.018646] Modules linked in: [ 2.018646] crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button [ 2.018657] CPU: 1 PID: 105 Comm: kworker/u8:3 Tainted: G U W 4.9.0-rc5-bfq-gentoo+ #20 [ 2.018657] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016 [ 2.018659] Workqueue: events_unbound async_run_entry_fn [ 2.018660] ffffc900001bbac0 ffffffff8137adfb ffffc900001bbb10 0000000000000000 [ 2.018662] ffffc900001bbb00 ffffffff810523cc 0000042600000001 ffffc900001bbbd0 [ 2.018663] ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb [ 2.018665] Call Trace: [ 2.018667] [] dump_stack+0x4d/0x72 [ 2.018669] [] __warn+0xcc/0xf0 [ 2.018670] [] warn_slowpath_fmt+0x4a/0x50 [ 2.018672] [] ? hrtimer_init+0x100/0x100 [ 2.018690] [] intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 2.018692] [] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper] [ 2.018694] [] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper] [ 2.018717] [] intel_dp_start_link_train+0x2a8/0x4c0 [i915] [ 2.018739] [] intel_dp_check_link_status+0xb6/0xf0 [i915] [ 2.018760] [] intel_dp_detect+0x72b/0xbb0 [i915] [ 2.018763] [] drm_helper_probe_single_connector_modes+0x406/0x4d0 [drm_kms_helper] [ 2.018764] [] ? schedule+0x38/0x90 [ 2.018767] [] drm_fb_helper_probe_connector_modes.isra.5+0x48/0x70 [drm_kms_helper] [ 2.018769] [] drm_fb_helper_initial_config+0x5e/0x3bb [drm_kms_helper] [ 2.018791] [] intel_fbdev_initial_config+0x13/0x30 [i915] [ 2.018793] [] async_run_entry_fn+0x32/0xe0 [ 2.018795] [] process_one_work+0x140/0x3e0 [ 2.018796] [] worker_thread+0x49/0x480 [ 2.018798] [] ? process_one_work+0x3e0/0x3e0 [ 2.018799] [] kthread+0xc5/0xe0 [ 2.018800] [] ? kthread_park+0x60/0x60 [ 2.018801] [] ? kthread_park+0x60/0x60 [ 2.018803] [] ret_from_fork+0x22/0x30 [ 2.018811] ---[ end trace 60f064180c1be674 ]--- [ 2.019571] ------------[ cut here ]------------ [ 2.019592] WARNING: CPU: 1 PID: 105 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 2.019592] WARN_ON(!msg->buffer != !msg->size) [ 2.019593] Modules linked in: [ 2.019593] crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button [ 2.019603] CPU: 1 PID: 105 Comm: kworker/u8:3 Tainted: G U W 4.9.0-rc5-bfq-gentoo+ #20 [ 2.019604] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016 [ 2.019606] Workqueue: events_unbound async_run_entry_fn [ 2.019607] ffffc900001bbac0 ffffffff8137adfb ffffc900001bbb10 0000000000000000 [ 2.019608] ffffc900001bbb00 ffffffff810523cc 0000042600000001 ffffc900001bbbd0 [ 2.019610] ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb [ 2.019612] Call Trace: [ 2.019614] [] dump_stack+0x4d/0x72 [ 2.019615] [] __warn+0xcc/0xf0 [ 2.019616] [] warn_slowpath_fmt+0x4a/0x50 [ 2.019618] [] ? hrtimer_init+0x100/0x100 [ 2.019636] [] intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 2.019638] [] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper] [ 2.019640] [] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper] [ 2.019657] [] intel_dp_start_link_train+0x2a8/0x4c0 [i915] [ 2.019673] [] intel_dp_check_link_status+0xb6/0xf0 [i915] [ 2.019690] [] intel_dp_detect+0x72b/0xbb0 [i915] [ 2.019692] [] drm_helper_probe_single_connector_modes+0x406/0x4d0 [drm_kms_helper] [ 2.019693] [] ? schedule+0x38/0x90 [ 2.019696] [] drm_fb_helper_probe_connector_modes.isra.5+0x48/0x70 [drm_kms_helper] [ 2.019698] [] drm_fb_helper_initial_config+0x5e/0x3bb [drm_kms_helper] [ 2.019721] [] intel_fbdev_initial_config+0x13/0x30 [i915] [ 2.019723] [] async_run_entry_fn+0x32/0xe0 [ 2.019724] [] process_one_work+0x140/0x3e0 [ 2.019726] [] worker_thread+0x49/0x480 [ 2.019727] [] ? process_one_work+0x3e0/0x3e0 [ 2.019729] [] kthread+0xc5/0xe0 [ 2.019730] [] ? kthread_park+0x60/0x60 [ 2.019731] [] ? kthread_park+0x60/0x60 [ 2.019733] [] ret_from_fork+0x22/0x30 [ 2.019740] ---[ end trace 60f064180c1be675 ]--- [ 2.020470] ------------[ cut here ]------------ [ 2.020489] WARNING: CPU: 1 PID: 105 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 2.020490] WARN_ON(!msg->buffer != !msg->size) [ 2.020490] Modules linked in: [ 2.020491] crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button [ 2.020501] CPU: 1 PID: 105 Comm: kworker/u8:3 Tainted: G U W 4.9.0-rc5-bfq-gentoo+ #20 [ 2.020501] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016 [ 2.020503] Workqueue: events_unbound async_run_entry_fn [ 2.020504] ffffc900001bbac0 ffffffff8137adfb ffffc900001bbb10 0000000000000000 [ 2.020506] ffffc900001bbb00 ffffffff810523cc 0000042600000001 ffffc900001bbbd0 [ 2.020508] ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb [ 2.020509] Call Trace: [ 2.020512] [] dump_stack+0x4d/0x72 [ 2.020513] [] __warn+0xcc/0xf0 [ 2.020514] [] warn_slowpath_fmt+0x4a/0x50 [ 2.020516] [] ? hrtimer_init+0x100/0x100 [ 2.020533] [] intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 2.020535] [] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper] [ 2.020537] [] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper] [ 2.020554] [] intel_dp_start_link_train+0x2a8/0x4c0 [i915] [ 2.020570] [] intel_dp_check_link_status+0xb6/0xf0 [i915] [ 2.020586] [] intel_dp_detect+0x72b/0xbb0 [i915] [ 2.020588] [] drm_helper_probe_single_connector_modes+0x406/0x4d0 [drm_kms_helper] [ 2.020590] [] ? schedule+0x38/0x90 [ 2.020592] [] drm_fb_helper_probe_connector_modes.isra.5+0x48/0x70 [drm_kms_helper] [ 2.020595] [] drm_fb_helper_initial_config+0x5e/0x3bb [drm_kms_helper] [ 2.020614] [] intel_fbdev_initial_config+0x13/0x30 [i915] [ 2.020615] [] async_run_entry_fn+0x32/0xe0 [ 2.020617] [] process_one_work+0x140/0x3e0 [ 2.020618] [] worker_thread+0x49/0x480 [ 2.020620] [] ? process_one_work+0x3e0/0x3e0 [ 2.020621] [] kthread+0xc5/0xe0 [ 2.020622] [] ? kthread_park+0x60/0x60 [ 2.020623] [] ? kthread_park+0x60/0x60 [ 2.020624] [] ret_from_fork+0x22/0x30 [ 2.020625] ---[ end trace 60f064180c1be676 ]--- [ 2.021359] ------------[ cut here ]------------ [ 2.021376] WARNING: CPU: 1 PID: 105 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 2.021377] WARN_ON(!msg->buffer != !msg->size) [ 2.021377] Modules linked in: [ 2.021378] crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button [ 2.021387] CPU: 1 PID: 105 Comm: kworker/u8:3 Tainted: G U W 4.9.0-rc5-bfq-gentoo+ #20 [ 2.021388] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016 [ 2.021390] Workqueue: events_unbound async_run_entry_fn [ 2.021391] ffffc900001bbac0 ffffffff8137adfb ffffc900001bbb10 0000000000000000 [ 2.021392] ffffc900001bbb00 ffffffff810523cc 0000042600000001 ffffc900001bbbd0 [ 2.021394] ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb [ 2.021396] Call Trace: [ 2.021398] [] dump_stack+0x4d/0x72 [ 2.021399] [] __warn+0xcc/0xf0 [ 2.021400] [] warn_slowpath_fmt+0x4a/0x50 [ 2.021402] [] ? hrtimer_init+0x100/0x100 [ 2.021418] [] intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 2.021420] [] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper] [ 2.021422] [] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper] [ 2.021438] [] intel_dp_start_link_train+0x2a8/0x4c0 [i915] [ 2.021453] [] intel_dp_check_link_status+0xb6/0xf0 [i915] [ 2.021468] [] intel_dp_detect+0x72b/0xbb0 [i915] [ 2.021471] [] drm_helper_probe_single_connector_modes+0x406/0x4d0 [drm_kms_helper] [ 2.021472] [] ? schedule+0x38/0x90 [ 2.021474] [] drm_fb_helper_probe_connector_modes.isra.5+0x48/0x70 [drm_kms_helper] [ 2.021477] [] drm_fb_helper_initial_config+0x5e/0x3bb [drm_kms_helper] [ 2.021495] [] intel_fbdev_initial_config+0x13/0x30 [i915] [ 2.021496] [] async_run_entry_fn+0x32/0xe0 [ 2.021498] [] process_one_work+0x140/0x3e0 [ 2.021499] [] worker_thread+0x49/0x480 [ 2.021501] [] ? process_one_work+0x3e0/0x3e0 [ 2.021502] [] kthread+0xc5/0xe0 [ 2.021503] [] ? kthread_park+0x60/0x60 [ 2.021504] [] ? kthread_park+0x60/0x60 [ 2.021505] [] ret_from_fork+0x22/0x30 [ 2.021506] ---[ end trace 60f064180c1be677 ]--- [ 2.022248] ------------[ cut here ]------------ [ 2.022265] WARNING: CPU: 1 PID: 105 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 2.022266] WARN_ON(!msg->buffer != !msg->size) [ 2.022266] Modules linked in: [ 2.022267] crc32_pclmul i915 fbcon bitblit softcursor font intel_gtt sdhci_pci sdhci mmc_core drm_kms_helper cfbfillrect syscopyarea cfbimgblt ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops cfbcopyarea drm xhci_pci agpgart xhci_hcd fb fbdev video backlight button [ 2.022277] CPU: 1 PID: 105 Comm: kworker/u8:3 Tainted: G U W 4.9.0-rc5-bfq-gentoo+ #20 [ 2.022277] Hardware name: Dell Inc. Latitude E7440/0PC4X0, BIOS A18 04/28/2016 [ 2.022279] Workqueue: events_unbound async_run_entry_fn [ 2.022280] ffffc900001bbac0 ffffffff8137adfb ffffc900001bbb10 0000000000000000 [ 2.022282] ffffc900001bbb00 ffffffff810523cc 0000042600000001 ffffc900001bbbd0 [ 2.022283] ffff880407a800e0 0000000000000003 00000000fffffffb 00000000fffffffb [ 2.022285] Call Trace: [ 2.022287] [] dump_stack+0x4d/0x72 [ 2.022288] [] __warn+0xcc/0xf0 [ 2.022290] [] warn_slowpath_fmt+0x4a/0x50 [ 2.022291] [] ? hrtimer_init+0x100/0x100 [ 2.022307] [] intel_dp_aux_transfer+0x1dc/0x220 [i915] [ 2.022309] [] drm_dp_dpcd_access+0x58/0xf0 [drm_kms_helper] [ 2.022311] [] drm_dp_dpcd_write+0x16/0x20 [drm_kms_helper] [ 2.022334] [] intel_dp_start_link_train+0x2a8/0x4c0 [i915] [ 2.022357] [] intel_dp_check_link_status+0xb6/0xf0 [i915] [ 2.022380] [] intel_dp_detect+0x72b/0xbb0 [i915] [ 2.022383] [] drm_helper_probe_single_connector_modes+0x406/0x4d0 [drm_kms_helper] [ 2.022384] [] ? schedule+0x38/0x90 [ 2.022387] [] drm_fb_helper_probe_connector_modes.isra.5+0x48/0x70 [drm_kms_helper] [ 2.022389] [] drm_fb_helper_initial_config+0x5e/0x3bb [drm_kms_helper] [ 2.022412] [] intel_fbdev_initial_config+0x13/0x30 [i915] [ 2.022414] [] async_run_entry_fn+0x32/0xe0 [ 2.022416] [] process_one_work+0x140/0x3e0 [ 2.022417] [] worker_thread+0x49/0x480 [ 2.022419] [] ? process_one_work+0x3e0/0x3e0 [ 2.022420] [] kthread+0xc5/0xe0 [ 2.022421] [] ? kthread_park+0x60/0x60 [ 2.022422] [] ? kthread_park+0x60/0x60 [ 2.022424] [] ret_from_fork+0x22/0x30 [ 2.022425] ---[ end trace 60f064180c1be678 ]--- [ 2.022573] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to update link training [ 2.029444] fbcon: inteldrmfb (fb0) is primary device [ 2.230800] usb 1-2: new low-speed USB device number 2 using xhci_hcd [ 2.242812] usb 3-1: new high-speed USB device number 2 using ehci-pci [ 2.361753] hub 3-1:1.0: USB hub found [ 2.361833] hub 3-1:1.0: 8 ports detected [ 2.406481] input: Yubico Yubico Yubikey II as /devices/pci0000:00/0000:00:14.0/usb1/1-2/1-2:1.0/0003:1050:0010.0001/input/input7 [ 2.457991] hid-generic 0003:1050:0010.0001: input,hidraw0: USB HID v1.11 Keyboard [Yubico Yubico Yubikey II] on usb-0000:00:14.0-2/input0 [ 2.613813] usb 1-4: new high-speed USB device number 3 using xhci_hcd [ 2.634811] usb 3-1.3: new full-speed USB device number 3 using ehci-pci [ 2.778812] usb 3-1.5: new full-speed USB device number 4 using ehci-pci [ 2.858896] clocksource: Switched to clocksource tsc [ 2.865786] usb 3-1.5: config 0 has an invalid interface number: 3 but max is 2 [ 2.865787] usb 3-1.5: config 0 has no interface number 2 [ 2.880246] usb 3-1.5: config 0 descriptor?? [ 2.957808] usb 3-1.8: new full-speed USB device number 5 using ehci-pci [ 3.063808] usb 1-6: new high-speed USB device number 4 using xhci_hcd [ 3.072820] drm: not enough stolen space for compressed buffer (need 8294400 more bytes), disabling. Hint: you may be able to increase stolen memory size in the BIOS to avoid this. [ 3.107930] Console: switching to colour frame buffer device 240x67 [ 3.126434] i915 0000:00:02.0: fb0: inteldrmfb frame buffer device [ 3.235727] usb-storage 1-6:1.0: USB Mass Storage device detected [ 3.236076] scsi host4: usb-storage 1-6:1.0 [ 4.268819] scsi 4:0:0:0: Direct-Access LaCie iamaKey PMAP PQ: 0 ANSI: 4 [ 4.269434] sd 4:0:0:0: [sdc] 15124992 512-byte logical blocks: (7.74 GB/7.21 GiB) [ 4.269579] sd 4:0:0:0: [sdc] Write Protect is off [ 4.269582] sd 4:0:0:0: [sdc] Mode Sense: 23 00 00 00 [ 4.269723] sd 4:0:0:0: [sdc] No Caching mode page found [ 4.269724] sd 4:0:0:0: [sdc] Assuming drive cache: write through [ 4.279444] sdc: sdc1 [ 4.280450] sd 4:0:0:0: [sdc] Attached SCSI removable disk [ 5.251242] usb 3-1.8: USB disconnect, device number 5 [ 5.422774] usb 3-1.8: new full-speed USB device number 6 using ehci-pci [ 6.594053] random: crng init done [ 7.811240] usb 3-1.8: USB disconnect, device number 6 [ 7.982809] usb 3-1.8: new full-speed USB device number 7 using ehci-pci [ 8.465023] BTRFS: device label ROOT devid 1 transid 756873 /dev/dm-0 [ 8.606666] BTRFS: device label ROOT devid 2 transid 756873 /dev/dm-1 [ 8.637623] BTRFS info (device dm-1): disk space caching is enabled [ 8.658167] BTRFS info (device dm-1): detected SSD devices, enabling SSD mode [ 8.739254] systemd-journald[144]: Received SIGTERM from PID 1 (systemd). [ 8.756216] systemd: 15 output lines suppressed due to ratelimiting [ 8.874999] BTRFS info (device dm-1): turning on discard [ 8.875002] BTRFS info (device dm-1): use lzo compression [ 8.875003] BTRFS info (device dm-1): disk space caching is enabled [ 8.897905] systemd-journald[597]: Received request to flush runtime journal from PID 1 [ 9.025572] pps_core: LinuxPPS API ver. 1 registered [ 9.025574] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 9.026184] PTP clock support registered [ 9.027555] ACPI: AC Adapter [AC] (off-line) [ 9.046445] e1000e: Intel(R) PRO/1000 Network Driver - 3.2.6-k [ 9.046446] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 9.046623] e1000e 0000:00:19.0: Interrupt Throttling Rate (ints/sec) set to dynamic conservative mode [ 9.052307] mei_me 0000:00:16.0: NFC MEI VERSION: IVN 0x1 Vendor ID 0x1 Type 0x1 [ 9.073836] thermal LNXTHERM:00: registered as thermal_zone0 [ 9.073838] ACPI: Thermal Zone [THM] (25 C) [ 9.076716] ahci 0000:00:1f.2: port does not support device sleep [ 9.086421] ahci 0000:00:1f.2: port does not support device sleep [ 9.090924] ACPI: Battery Slot [BAT0] (battery present) [ 9.092079] Intel(R) Wireless WiFi driver for Linux [ 9.092080] Copyright(c) 2003- 2015 Intel Corporation [ 9.092222] iwlwifi 0000:02:00.0: enabling device (0000 -> 0002) [ 9.093482] Bluetooth: Core ver 2.22 [ 9.093497] NET: Registered protocol family 31 [ 9.093497] Bluetooth: HCI device and connection manager initialized [ 9.093501] Bluetooth: HCI socket layer initialized [ 9.093503] Bluetooth: L2CAP socket layer initialized [ 9.093507] Bluetooth: SCO socket layer initialized [ 9.096179] usbcore: registered new interface driver btusb [ 9.096229] ACPI: Battery Slot [BAT1] (battery absent) [ 9.096366] wmi: Mapper loaded [ 9.105248] iwlwifi 0000:02:00.0: loaded firmware version 17.352738.0 op_mode iwlmvm [ 9.107455] Linux video capture interface: v2.00 [ 9.113209] Bluetooth: hci0: read Intel version: 370710018002030d00 [ 9.114484] Bluetooth: hci0: Intel Bluetooth firmware file: intel/ibt-hw-37.7.10-fw-1.80.2.3.d.bseq [ 9.119107] iwlwifi 0000:02:00.0: Detected Intel(R) Dual Band Wireless AC 7260, REV=0x144 [ 9.120854] iwlwifi 0000:02:00.0: L1 Enabled - LTR Enabled [ 9.121237] iwlwifi 0000:02:00.0: L1 Enabled - LTR Enabled [ 9.123227] intel_rapl: Found RAPL domain package [ 9.123229] intel_rapl: Found RAPL domain core [ 9.123231] intel_rapl: Found RAPL domain uncore [ 9.123232] intel_rapl: Found RAPL domain dram [ 9.123236] intel_rapl: RAPL package 0 domain package locked by BIOS [ 9.123245] intel_rapl: RAPL package 0 domain dram locked by BIOS [ 9.167972] dcdbas dcdbas: Dell Systems Management Base Driver (version 5.6.0-3.2) [ 9.207253] dell_laptop: Using dell-rbtn acpi driver for receiving events [ 9.224186] uvcvideo: Found UVC 1.00 device Laptop_Integrated_Webcam_HD (1bcf:2985) [ 9.233804] input: Laptop_Integrated_Webcam_HD as /devices/pci0000:00/0000:00:14.0/usb1/1-4/1-4:1.0/input/input9 [ 9.233974] usbcore: registered new interface driver uvcvideo [ 9.233975] USB Video Class driver (1.1.1) [ 9.243343] BTRFS info (device sdb3): use ssd allocation scheme [ 9.243346] BTRFS info (device sdb3): turning on discard [ 9.243348] BTRFS info (device sdb3): disk space caching is enabled [ 9.263102] iTCO_wdt: Intel TCO WatchDog Timer Driver v1.11 [ 9.263147] iTCO_wdt: Found a Lynx Point_LP TCO device (Version=2, TCOBASE=0x1860) [ 9.263646] iTCO_wdt: initialized. heartbeat=30 sec (nowayout=0) [ 9.287888] Adding 4194300k swap on /dev/sdb4. Priority:-1 extents:1 across:4194300k SSFS [ 9.325044] dell_wmi: Detected Dell WMI interface version 1 [ 9.325110] input: Dell WMI hotkeys as /devices/virtual/input/input10 [ 9.352229] ieee80211 phy0: Selected rate control algorithm 'iwl-mvm-rs' [ 9.367440] iwlwifi 0000:02:00.0 wlp2s0: renamed from wlan0 [ 9.537631] BTRFS: device label HOME devid 1 transid 1204771 /dev/dm-2 [ 9.603074] usb 3-1.3: USB disconnect, device number 3 [ 9.622985] BTRFS: device label HOME devid 2 transid 1204771 /dev/dm-3 [ 9.641011] BTRFS info (device dm-3): use ssd allocation scheme [ 9.641014] BTRFS info (device dm-3): turning on discard [ 9.641015] BTRFS info (device dm-3): use lzo compression [ 9.641016] BTRFS info (device dm-3): disk space caching is enabled [ 9.672982] e1000e 0000:00:19.0 0000:00:19.0 (uninitialized): registered PHC clock [ 9.750330] e1000e 0000:00:19.0 eth0: (PCI Express:2.5GT/s:Width x1) ec:f4:bb:3c:d4:06 [ 9.750336] e1000e 0000:00:19.0 eth0: Intel(R) PRO/1000 Network Connection [ 9.750361] e1000e 0000:00:19.0 eth0: MAC: 11, PHY: 12, PBA No: FFFFFF-0FF [ 9.752147] snd_hda_intel 0000:00:03.0: enabling device (0000 -> 0002) [ 9.752296] snd_hda_intel 0000:00:03.0: bound 0000:00:02.0 (ops i915_exit [i915]) [ 9.752854] e1000e 0000:00:19.0 eno1: renamed from eth0 [ 9.753457] i801_smbus 0000:00:1f.3: SPD Write Disable is set [ 9.753480] i801_smbus 0000:00:1f.3: SMBus using PCI interrupt [ 9.766129] input: HDA Intel HDMI HDMI/DP,pcm=3 as /devices/pci0000:00/0000:00:03.0/sound/card0/input11 [ 9.766197] input: HDA Intel HDMI HDMI/DP,pcm=7 as /devices/pci0000:00/0000:00:03.0/sound/card0/input12 [ 9.766256] input: HDA Intel HDMI HDMI/DP,pcm=8 as /devices/pci0000:00/0000:00:03.0/sound/card0/input13 [ 9.779366] snd_hda_codec_realtek hdaudioC1D0: autoconfig for ALC3226: line_outs=1 (0x16/0x0/0x0/0x0/0x0) type:line [ 9.779369] snd_hda_codec_realtek hdaudioC1D0: speaker_outs=1 (0x14/0x0/0x0/0x0/0x0) [ 9.779371] snd_hda_codec_realtek hdaudioC1D0: hp_outs=1 (0x15/0x0/0x0/0x0/0x0) [ 9.779372] snd_hda_codec_realtek hdaudioC1D0: mono: mono_out=0x0 [ 9.779374] snd_hda_codec_realtek hdaudioC1D0: inputs: [ 9.779375] snd_hda_codec_realtek hdaudioC1D0: Dock Mic=0x19 [ 9.779377] snd_hda_codec_realtek hdaudioC1D0: Headset Mic=0x1a [ 9.779379] snd_hda_codec_realtek hdaudioC1D0: Internal Mic=0x12 [ 9.790367] input: HDA Intel PCH Dock Mic as /devices/pci0000:00/0000:00:1b.0/sound/card1/input14 [ 9.790428] input: HDA Intel PCH Dock Line Out as /devices/pci0000:00/0000:00:1b.0/sound/card1/input15 [ 9.790490] input: HDA Intel PCH Front Headphone as /devices/pci0000:00/0000:00:1b.0/sound/card1/input16 [ 9.879971] Bluetooth: BNEP (Ethernet Emulation) ver 1.3 [ 9.879972] Bluetooth: BNEP filters: protocol multicast [ 9.879975] Bluetooth: BNEP socket layer initialized [ 10.500401] input: AlpsPS/2 ALPS DualPoint Stick as /devices/platform/i8042/serio1/input/input17 [ 10.513498] input: AlpsPS/2 ALPS DualPoint TouchPad as /devices/platform/i8042/serio1/input/input8 [ 11.370746] Bluetooth: hci0: Exiting manufacturer mode failed (-110) [ 11.370762] Bluetooth: hci0 command tx timeout [ 11.479076] usb 3-1.8: USB disconnect, device number 7 [ 11.650750] usb 3-1.8: new full-speed USB device number 8 using ehci-pci [ 13.687881] IPv6: ADDRCONF(NETDEV_UP): wlp2s0: link is not ready [ 13.689850] iwlwifi 0000:02:00.0: L1 Enabled - LTR Enabled [ 13.690183] iwlwifi 0000:02:00.0: L1 Enabled - LTR Enabled [ 13.894744] iwlwifi 0000:02:00.0: L1 Enabled - LTR Enabled [ 13.895085] iwlwifi 0000:02:00.0: L1 Enabled - LTR Enabled [ 13.921906] IPv6: ADDRCONF(NETDEV_UP): wlp2s0: link is not ready [ 13.932897] iwlwifi 0000:02:00.0: L1 Enabled - LTR Enabled [ 13.933231] iwlwifi 0000:02:00.0: L1 Enabled - LTR Enabled [ 14.140096] iwlwifi 0000:02:00.0: L1 Enabled - LTR Enabled [ 14.140431] iwlwifi 0000:02:00.0: L1 Enabled - LTR Enabled [ 14.158042] IPv6: ADDRCONF(NETDEV_UP): wlp2s0: link is not ready [ 14.180216] IPv6: ADDRCONF(NETDEV_UP): eno1: link is not ready [ 14.386954] IPv6: ADDRCONF(NETDEV_UP): eno1: link is not ready [ 14.698534] IPv6: ADDRCONF(NETDEV_UP): wlp2s0: link is not ready [ 21.436835] iwlwifi 0000:02:00.0: L1 Enabled - LTR Enabled [ 21.437168] iwlwifi 0000:02:00.0: L1 Enabled - LTR Enabled [ 21.640222] iwlwifi 0000:02:00.0: L1 Enabled - LTR Enabled [ 21.640556] iwlwifi 0000:02:00.0: L1 Enabled - LTR Enabled [ 21.658601] IPv6: ADDRCONF(NETDEV_UP): wlp2s0: link is not ready [ 23.236922] Key type cifs.idmap registered [ 23.237317] Unable to determine destination address. [ 24.978598] wlp2s0: authenticate with f4:f2:6d:fb:11:e4 [ 24.982347] wlp2s0: send auth to f4:f2:6d:fb:11:e4 (try 1/3) [ 24.984818] wlp2s0: authenticated [ 24.985754] wlp2s0: associate with f4:f2:6d:fb:11:e4 (try 1/3) [ 24.989475] wlp2s0: RX AssocResp from f4:f2:6d:fb:11:e4 (capab=0x431 status=0 aid=2) [ 24.991390] wlp2s0: associated [ 24.991405] IPv6: ADDRCONF(NETDEV_CHANGE): wlp2s0: link becomes ready [ 67.687155] usb 1-2: USB disconnect, device number 2 [ 69.928919] usb 1-6: USB disconnect, device number 4 [ 111.631371] usb 1-6: new high-speed USB device number 5 using xhci_hcd [ 111.634900] atkbd serio0: Spurious ACK on isa0060/serio0. Some program might be trying to access hardware directly. [ 111.640060] acpi PNP0401:00: Already enumerated [ 111.640357] acpi PNP0501:00: Still not present [ 111.653477] pcieport 0000:00:1c.0: Enabling MPC IRBNCE [ 111.653479] pcieport 0000:00:1c.0: Intel PCH root port ACS workaround enabled [ 111.653742] pci_bus 0000:01: Allocating resources [ 111.653750] pcieport 0000:00:1c.0: bridge window [io 0x1000-0x0fff] to [bus 01] add_size 1000 [ 111.653752] pcieport 0000:00:1c.0: bridge window [mem 0x00100000-0x000fffff 64bit pref] to [bus 01] add_size 200000 add_align 100000 [ 111.653754] pcieport 0000:00:1c.0: bridge window [mem 0x00100000-0x000fffff] to [bus 01] add_size 200000 add_align 100000 [ 111.653760] pci_bus 0000:02: Allocating resources [ 111.653820] pcieport 0000:00:1c.3: bridge window [io 0x1000-0x0fff] to [bus 02] add_size 1000 [ 111.653821] pcieport 0000:00:1c.3: bridge window [mem 0x00100000-0x000fffff 64bit pref] to [bus 02] add_size 200000 add_align 100000 [ 111.653826] pci_bus 0000:03: Allocating resources [ 111.655632] pcieport 0000:00:1c.4: bridge window [io 0x1000-0x0fff] to [bus 03] add_size 1000 [ 111.655633] pcieport 0000:00:1c.4: bridge window [mem 0x00100000-0x000fffff 64bit pref] to [bus 03] add_size 200000 add_align 100000 [ 111.655637] pcieport 0000:00:1c.0: res[8]=[mem 0x00100000-0x000fffff] res_to_dev_res add_size 200000 min_align 100000 [ 111.655640] pcieport 0000:00:1c.0: res[8]=[mem 0x00100000-0x002fffff] res_to_dev_res add_size 200000 min_align 100000 [ 111.655641] pcieport 0000:00:1c.0: res[9]=[mem 0x00100000-0x000fffff 64bit pref] res_to_dev_res add_size 200000 min_align 100000 [ 111.655642] pcieport 0000:00:1c.0: res[9]=[mem 0x00100000-0x002fffff 64bit pref] res_to_dev_res add_size 200000 min_align 100000 [ 111.655643] pcieport 0000:00:1c.3: res[9]=[mem 0x00100000-0x000fffff 64bit pref] res_to_dev_res add_size 200000 min_align 100000 [ 111.655644] pcieport 0000:00:1c.3: res[9]=[mem 0x00100000-0x002fffff 64bit pref] res_to_dev_res add_size 200000 min_align 100000 [ 111.655645] pcieport 0000:00:1c.4: res[9]=[mem 0x00100000-0x000fffff 64bit pref] res_to_dev_res add_size 200000 min_align 100000 [ 111.655646] pcieport 0000:00:1c.4: res[9]=[mem 0x00100000-0x002fffff 64bit pref] res_to_dev_res add_size 200000 min_align 100000 [ 111.655647] pcieport 0000:00:1c.0: res[7]=[io 0x1000-0x0fff] res_to_dev_res add_size 1000 min_align 1000 [ 111.655648] pcieport 0000:00:1c.0: res[7]=[io 0x1000-0x1fff] res_to_dev_res add_size 1000 min_align 1000 [ 111.655649] pcieport 0000:00:1c.3: res[7]=[io 0x1000-0x0fff] res_to_dev_res add_size 1000 min_align 1000 [ 111.655650] pcieport 0000:00:1c.3: res[7]=[io 0x1000-0x1fff] res_to_dev_res add_size 1000 min_align 1000 [ 111.655651] pcieport 0000:00:1c.4: res[7]=[io 0x1000-0x0fff] res_to_dev_res add_size 1000 min_align 1000 [ 111.655652] pcieport 0000:00:1c.4: res[7]=[io 0x1000-0x1fff] res_to_dev_res add_size 1000 min_align 1000 [ 111.655656] pcieport 0000:00:1c.0: BAR 8: assigned [mem 0xdf200000-0xdf3fffff] [ 111.655660] pcieport 0000:00:1c.0: BAR 9: assigned [mem 0xdf400000-0xdf5fffff 64bit pref] [ 111.655664] pcieport 0000:00:1c.3: BAR 9: assigned [mem 0xdf600000-0xdf7fffff 64bit pref] [ 111.655667] pcieport 0000:00:1c.4: BAR 9: assigned [mem 0xdf800000-0xdf9fffff 64bit pref] [ 111.655670] pcieport 0000:00:1c.0: BAR 7: assigned [io 0x2000-0x2fff] [ 111.655671] pcieport 0000:00:1c.3: BAR 7: assigned [io 0x3000-0x3fff] [ 111.655672] pcieport 0000:00:1c.4: BAR 7: assigned [io 0x4000-0x4fff] [ 111.657392] acpi device:40: Cannot transition to power state D3hot for parent in (unknown) [ 111.671385] iommu: Removing device 0000:00:00.0 from group 0 [ 111.803091] hub 1-6:1.0: USB hub found [ 111.803113] hub 1-6:1.0: 3 ports detected [ 112.068344] usb 1-1: new high-speed USB device number 6 using xhci_hcd [ 112.241509] hub 1-1:1.0: USB hub found [ 112.241530] hub 1-1:1.0: 3 ports detected [ 112.312315] usb 1-6.2: new full-speed USB device number 7 using xhci_hcd [ 112.405373] input: BLUE MICROPHONE Blue Snowball as /devices/pci0000:00/0000:00:14.0/usb1/1-6/1-6.2/1-6.2:1.2/0003:0D8C:0005.0006/input/input18 [ 112.405438] hid-generic 0003:0D8C:0005.0006: input,hidraw0: USB HID v1.11 Device [BLUE MICROPHONE Blue Snowball ] on usb-0000:00:14.0-6.2/input2 [ 112.423977] usbcore: registered new interface driver snd-usb-audio [ 121.601702] usb 1-6.1: new high-speed USB device number 8 using xhci_hcd [ 121.693006] hub 1-6.1:1.0: USB hub found [ 121.693228] hub 1-6.1:1.0: 4 ports detected [ 121.982687] usb 1-6.1.1: new low-speed USB device number 9 using xhci_hcd [ 122.091032] input: Primax Kensington Eagle Trackball as /devices/pci0000:00/0000:00:14.0/usb1/1-6/1-6.1/1-6.1.1/1-6.1.1:1.0/0003:047D:2048.0007/input/input19 [ 122.091415] hid-generic 0003:047D:2048.0007: input,hidraw1: USB HID v1.11 Mouse [Primax Kensington Eagle Trackball] on usb-0000:00:14.0-6.1.1/input0 [ 122.174679] usb 1-6.1.3: new high-speed USB device number 10 using xhci_hcd [ 123.438630] uvcvideo: Found UVC 1.00 device HD Pro Webcam C920 (046d:082d) [ 123.440242] input: HD Pro Webcam C920 as /devices/pci0000:00/0000:00:14.0/usb1/1-6/1-6.1/1-6.1.3/1-6.1.3:1.0/input/input20 [ 198.396625] Unable to determine destination address.