Created attachment 131592 [details] lshw The EFL toolkit has the ability to display apps on KMS (ie launch from the command line directly) When i do that with 4.10.13 and with 4.9.26 kernels i get the crash below. May 09 21:59:26 testland kernel: BUG: unable to handle kernel NULL pointer dereference at 0000000c May 09 21:59:26 testland kernel: IP: i915_gem_request_alloc+0xa0/0x3c0 [i915] May 09 21:59:26 testland kernel: *pde = 00000000 May 09 21:59:26 testland kernel: May 09 21:59:26 testland kernel: Oops: 0000 [#1] PREEMPT SMP May 09 21:59:26 testland kernel: Modules linked in: ctr ccm bnep arc4 b43 bcma mac80211 joydev mousedev cfg80211 iTCO_wdt hp_wmi iTCO_vendor_support sparse_keymap btusb btrtl btbcm snd_hda_codec_idt snd_hda_codec_generic btintel coretemp pcspkr uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_hda_intel videobuf2_core videodev bluetooth rfkill snd_hda_codec crc16 media snd_hda_core lpc_ich psmouse input_leds ssb i2c_i801 sky2 snd_hwdep mmc_core led_class snd_pcm pcmcia rng_core snd_timer thermal ac acpi_cpufreq tpm_tis tpm_tis_core tpm pcmcia_core wmi shpchp snd soundcore fjes battery intel_agp evdev mac_hid sch_fq_codel ip_tables x_tables crc32c_generic btrfs xor raid6_pq sd_mod ata_generic pata_acpi serio_raw atkbd libps2 ata_piix libata uhci_hcd scsi_mod ehci_pci ehci_hcd usbcore usb_common i8042 serio May 09 21:59:26 testland kernel: i915 video button intel_gtt i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops drm agpgart May 09 21:59:26 testland kernel: CPU: 1 PID: 489 Comm: terminology Not tainted 4.10.13-1-ARCH #1 May 09 21:59:26 testland kernel: Hardware name: Hewlett-Packard HP Mini/361A, BIOS 361A0 Ver. F.10 12/25/2008 May 09 21:59:26 testland kernel: task: f247ef00 task.stack: f1d06000 May 09 21:59:26 testland kernel: EIP: i915_gem_request_alloc+0xa0/0x3c0 [i915] May 09 21:59:26 testland kernel: EFLAGS: 00210282 CPU: 1 May 09 21:59:26 testland kernel: EAX: 00000000 EBX: f215f980 ECX: f215f980 EDX: 00000000 May 09 21:59:26 testland kernel: ESI: f4d00000 EDI: f55bb000 EBP: f1d07d74 ESP: f1d07d50 May 09 21:59:26 testland kernel: DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 May 09 21:59:26 testland kernel: CR0: 80050033 CR2: 0000000c CR3: 31cf5000 CR4: 000006d0 May 09 21:59:26 testland kernel: Call Trace: May 09 21:59:26 testland kernel: ? intel_fbc_pre_update+0x8a/0xe0 [i915] May 09 21:59:26 testland kernel: intel_crtc_page_flip+0x34e/0xa80 [i915] May 09 21:59:26 testland kernel: ? __ww_mutex_lock+0x2a/0x90 May 09 21:59:26 testland kernel: ? drm_mode_setcrtc+0x103/0x530 [drm] May 09 21:59:26 testland kernel: drm_mode_page_flip_ioctl+0x378/0x430 [drm] May 09 21:59:26 testland kernel: ? __check_object_size+0x50/0x12d May 09 21:59:26 testland kernel: ? drm_mode_cursor2_ioctl+0x10/0x10 [drm] May 09 21:59:26 testland kernel: drm_ioctl+0x20e/0x480 [drm] May 09 21:59:27 testland kernel: ? drm_mode_cursor2_ioctl+0x10/0x10 [drm] May 09 21:59:27 testland kernel: ? drm_getunique+0x60/0x60 [drm] May 09 21:59:27 testland kernel: do_vfs_ioctl+0x91/0x6b0 May 09 21:59:27 testland kernel: ? __fget+0x6b/0xc0 May 09 21:59:27 testland kernel: SyS_ioctl+0x60/0x70 May 09 21:59:27 testland kernel: do_fast_syscall_32+0x8a/0x150 May 09 21:59:27 testland kernel: entry_SYSENTER_32+0x4e/0x7c May 09 21:59:27 testland kernel: EIP: 0xb7753cd9 May 09 21:59:27 testland kernel: EFLAGS: 00200296 CPU: 1 May 09 21:59:27 testland kernel: EAX: ffffffda EBX: 00000019 ECX: c01864b0 EDX: bf97bd34 May 09 21:59:27 testland kernel: ESI: 0000002b EDI: c01864b0 EBP: 00000019 ESP: bf97bcd8 May 09 21:59:27 testland kernel: DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b May 09 21:59:27 testland kernel: Code: c0 00 00 00 3b 4a d0 78 05 e8 cd f6 ff ff 8b 86 c0 03 00 00 ba c0 00 40 01 e8 6d bd e6 c8 85 c0 89 c3 0f 84 f3 02 00 00 8b 45 f0 <8b> 50 0c 85 d2 0f 84 05 02 00 00 8b 47 08 c7 43 38 00 00 00 00 May 09 21:59:27 testland kernel: EIP: i915_gem_request_alloc+0xa0/0x3c0 [i915] SS:ESP: 0068:f1d07d50 May 09 21:59:27 testland kernel: CR2: 000000000000000c May 09 21:59:27 testland kernel: ---[ end trace e624351421283037 ]---
Tested with 4.11.3 and its fixed. Sorry for the noise.
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