| Summary: | [HSW] WARNING: CPU: 2 PID: 150 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer | ||||||
|---|---|---|---|---|---|---|---|
| Product: | DRI | Reporter: | Ritesh Raj Sarraf <rrs> | ||||
| Component: | DRM/Intel | Assignee: | Intel GFX Bugs mailing list <intel-gfx-bugs> | ||||
| Status: | CLOSED DUPLICATE | QA Contact: | Intel GFX Bugs mailing list <intel-gfx-bugs> | ||||
| Severity: | normal | ||||||
| Priority: | medium | CC: | intel-gfx-bugs | ||||
| Version: | XOrg git | ||||||
| Hardware: | x86-64 (AMD64) | ||||||
| OS: | Linux (All) | ||||||
| Whiteboard: | |||||||
| i915 platform: | HSW | i915 features: | display/DP | ||||
| Attachments: |
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rrs@learner:~$ sudo intel_reg_checker
MI_MODE (0x209c): 0x00000000
(bit 14) OK: Async Flip Performance mode
(bit 13) OK: Flush Performance Mode
(bit 12) FAIL: MI_FLUSH enable must be set
(bit 6) FAIL: Vertex Shader Timer Dispatch Enable must be set
GFX_MODE (0x229c): 0x00000000
(bit 13) PERF: Flush TLB Invalidation Mode should be set
GT_MODE (0x7008): 0x00000000
CACHE_MODE_0 (0x7000): 0x00000000
(bit 15) OK: Sampler L2 Disable
(bit 9) PERF: Sampler L2 TLB Prefetch Enable should be set
(bit 8) OK: Depth Related Cache Pipelined Flush Disable
(bit 5) OK: STC LRA Eviction Policy
(bit 4) OK: RCC LRA Eviction Policy
(bit 3) OK: Hierarchical Z Disable
(bit 0) OK: Render Cache Operational Flush
CACHE_MODE_1 (0x7004): 0x00000000
(bit 13) OK: STC Address Lookup Optimization Disable
(bit 12) OK: HIZ LRA Eviction Policy
(bit 11) OK: DAP Instruction and State Cache Invalidate
(bit 10) OK: Instruction L1 Cache and In-Flight Queue Disable
(bit 9) OK: Instruction L2 Cache Fill Buffers Disable
(bit 6) OK: Pixel Backend sub-span collection Optimization Disable
(bit 5) OK: MCS Cache Disable
(bit 4) OK: Data Disable
(bit 1) OK: Instruction and State L2 Cache Disable
(bit 0) OK: Instruction and State L1 Cache Disable
FF_SLICE_CHICKEN (0x2088): 0x00000000
OK: chicken bits unset
3D_CHICKEN3 (0x2090): 0x00000000
OK: chicken bits unset
FF_SLICE_CS_CHICKEN1 (0x20e0): 0x00000000
OK: chicken bits unset
FF_SLICE_CS_CHICKEN2 (0x20e4): 0x00000000
OK: chicken bits unset
FF_SLICE_CS_CHICKEN3 (0x20e8): 0x00000000
OK: chicken bits unset
COMMON_SLICE_CHICKEN1 (0x7010): 0x00000000
OK: chicken bits unset
COMMON_SLICE_CHICKEN2 (0x7014): 0x00000000
OK: chicken bits unset
WM_CHICKEN (0x5580): 0x00000000
OK: chicken bits unset
HALF_SLICE_CHICKEN (0xe100): 0x00000000
OK: chicken bits unset
HALF_SLICE_CHICKEN2 (0xe180): 0x00000000
OK: chicken bits unset
ROW_CHICKEN (0xe4f0): 0x00000000
OK: chicken bits unset
ROW_CHICKEN2 (0xe4f4): 0x00000000
OK: chicken bits unset
ECOSKPD (0x21d0): 0x00000000
OK: chicken bits unset
2016-12-15 / 20:29:25 ♒♒♒ ☺
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Created attachment 128486 [details] dmesg * Steps to reproduce the issue. Boot the kernel and the oops are seen in dmesg * How often does the steps listed above trigger the issue? Persistently, on every boot. -- system architecture: ("uname -m") -- kernel version: ("uname -r"). rrs@learner:~$ uname -a Linux learner 4.9.0+ #42 SMP Tue Dec 13 17:30:09 IST 2016 x86_64 GNU/Linux 2016-12-15 / 20:22:52 ♒♒♒ ☺ -- Linux distribution: Debian Unstable. -- Machine or mother board model: Intel Haswell. rrs@learner:~$ lspci 00:02.0 VGA compatible controller: Intel Corporation Haswell-ULT Integrated Graphics Controller (rev 0b) 00:03.0 Audio device: Intel Corporation Haswell-ULT HD Audio Controller (rev 0b) 00:14.0 USB controller: Intel Corporation 8 Series USB xHCI HC (rev 04) 00:16.0 Communication controller: Intel Corporation 8 Series HECI #0 (rev 04) 00:1b.0 Audio device: Intel Corporation 8 Series HD Audio Controller (rev 04) 00:1c.0 PCI bridge: Intel Corporation 8 Series PCI Express Root Port 4 (rev e4) 00:1d.0 USB controller: Intel Corporation 8 Series USB EHCI #1 (rev 04) 00:1f.0 ISA bridge: Intel Corporation 8 Series LPC Controller (rev 04) 00:1f.2 SATA controller: Intel Corporation 8 Series SATA Controller 1 [AHCI mode] (rev 04) 00:1f.3 SMBus: Intel Corporation 8 Series SMBus Controller (rev 04) 01:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8723BE PCIe Wireless Network Adapter 2016-12-15 / 20:23:49 ♒♒♒ ☺ -- Display connector: (such as HDMI, DP, eDP, ...) No external display connected. rrs@learner:~$ sudo cat /sys/class/drm/card*/error no error state collected 2016-12-15 / 20:20:07 ♒♒♒ ☺ Kernel Oops. [ 1.999428] ------------[ cut here ]------------ [ 1.999451] WARNING: CPU: 2 PID: 150 at drivers/gpu/drm/i915/intel_dp.c:1062 intel_dp_aux_transfer+0x1ec/0x230 [i915] [ 1.999451] WARN_ON(!msg->buffer != !msg->size) [ 1.999452] Modules linked in: [ 1.999453] crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel ahci libahci aesni_intel aes_x86_64 libata lrw gf128mul glue_helper ablk_helper cryptd i915 i2c_algo_bit xhci_pci psmouse drm_kms_helper xhci_hcd syscopyarea ehci_pci sysfillrect sysimgblt ehci_hcd fb_sys_fops scsi_mod usbcore drm fan thermal i2c_hid hid i2c_core video sdhci_acpi sdhci mmc_core gpio_lynxpoint fjes button [ 1.999470] CPU: 2 PID: 150 Comm: kworker/u16:4 Tainted: G U W 4.9.0+ #42 [ 1.999471] Hardware name: LENOVO 20344/INVALID, BIOS 96CN31WW(V1.17) 07/21/2015 [ 1.999472] Workqueue: events_unbound async_run_entry_fn [ 1.999473] 0000000000000000 ffffffffa772feb5 ffffc0260195fb30 0000000000000000 [ 1.999476] ffffffffa747505e ffffc0260195fc00 ffffc0260195fb88 0000000000000003 [ 1.999478] 00000000fffffffb 00000000ffffffb9 00000000fffffffb ffffffffa74750df [ 1.999480] Call Trace: [ 1.999482] [<ffffffffa772feb5>] ? dump_stack+0x7d/0xb8 [ 1.999485] [<ffffffffa747505e>] ? __warn+0xbe/0xe0 [ 1.999487] [<ffffffffa74750df>] ? warn_slowpath_fmt+0x5f/0x80 [ 1.999489] [<ffffffffa74e1930>] ? __hrtimer_init+0x70/0x70 [ 1.999510] [<ffffffffc04a102c>] ? intel_dp_aux_transfer+0x1ec/0x230 [i915] [ 1.999515] [<ffffffffc03a2c3a>] ? drm_dp_dpcd_access+0x7a/0x120 [drm_kms_helper] [ 1.999520] [<ffffffffc03a2cf7>] ? drm_dp_dpcd_write+0x17/0x20 [drm_kms_helper] [ 1.999540] [<ffffffffc049bf5b>] ? intel_dp_start_link_train+0x2cb/0x4c0 [i915] [ 1.999559] [<ffffffffc049d3e8>] ? intel_dp_check_link_status+0xd8/0x110 [i915] [ 1.999579] [<ffffffffc04a1d69>] ? intel_dp_detect+0x789/0xb80 [i915] [ 1.999584] [<ffffffffc03a40e6>] ? drm_helper_probe_single_connector_modes+0x3f6/0x4e0 [drm_kms_helper] [ 1.999587] [<ffffffffa79da385>] ? _raw_spin_unlock_irqrestore+0x35/0x40 [ 1.999592] [<ffffffffc03b1fdc>] ? drm_fb_helper_initial_config+0xac/0x450 [drm_kms_helper] [ 1.999614] [<ffffffffc0493b04>] ? intel_fbdev_initial_config+0x14/0x30 [i915] [ 1.999616] [<ffffffffa7497dd2>] ? async_run_entry_fn+0x32/0x140 [ 1.999617] [<ffffffffa748ea4b>] ? process_one_work+0x1fb/0x490 [ 1.999618] [<ffffffffa748ed2a>] ? worker_thread+0x4a/0x500 [ 1.999620] [<ffffffffa748ece0>] ? process_one_work+0x490/0x490 [ 1.999622] [<ffffffffa7494e4e>] ? kthread+0xce/0xf0 [ 1.999623] [<ffffffffa7425701>] ? __switch_to+0x2c1/0x6c0 [ 1.999625] [<ffffffffa7494d80>] ? kthread_park+0x60/0x60 [ 1.999626] [<ffffffffa79daa1a>] ? ret_from_fork+0x2a/0x40 [ 1.999627] ---[ end trace ab3e43b405e66648 ]---