[Bug 104708] [IGT] igt at gem_exec_flush@* BUG: unable to handle kernel paging request at 0000000100000084

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=104708

--- Comment #15 from Elizabeth <elizabethx.de.la.torre.mena at intel.com> ---
The dmesg-warn still shows with igt at gem_exec_flush family, though most of them
are timeouts.

Results for igt at gem_exec_flush@batch-gtt-blt-uc
Result: timeout

Time    603.13 seconds
Out     
An internal exception that should have been handled was not:
Test run time exceeded timeout value (600 seconds)

Dmesg   
[   70.143378] Setting dangerous option reset - tainting kernel
[  151.840267] BUG: unable to handle kernel paging request at 0000000100000004
[  151.840310] IP: print_request+0x11/0xb0 [i915]
[  151.840318] Oops: 0000 [#1] SMP PTI
[  151.840322] Dumping ftrace buffer:
[  151.840326]    (ftrace buffer empty)
[  151.840328] Modules linked in: snd_hda_codec_hdmi cmac snd_hda_codec_realtek
snd_hda_codec_generic bnep 8250_dw nls_iso8859_1 arc4 snd_soc_skl
snd_soc_skl_ipc snd_soc_sst_ipc snd_soc_sst_dsp snd_hda_ext_core snd_soc_acpi
snd_soc_core x86_pkg_temp_thermal snd_compress intel_powerclamp iwlmvm coretemp
snd_pcm_dmaengine ac97_bus mac80211 kvm_intel kvm irqbypass crct10dif_pclmul
snd_hda_intel crc32_pclmul ghash_clmulni_intel pcbc snd_hda_codec snd_hda_core
snd_hwdep aesni_intel snd_pcm aes_x86_64 crypto_simd glue_helper cryptd
snd_seq_midi snd_seq_midi_event serio_raw snd_rawmidi wmi_bmof snd_seq
snd_seq_device snd_timer btusb btrtl btbcm asix btintel iwlwifi usbnet mii snd
bluetooth soundcore input_leds shpchp ecdh_generic idma64 virt_dma cfg80211
mei_me intel_pch_thermal intel_lpss_pci mei intel_lpss
[  151.840384]  acpi_pad mac_hid parport_pc ppdev lp parport ip_tables x_tables
autofs4 hid_generic usbhid hid dwc3 udc_core ulpi i915 e1000e dwc3_pci
prime_numbers wmi video
[  151.840402] CPU: 0 PID: 46 Comm: kworker/0:1 Tainted: G     U          
4.16.0-rc7-drm-intel-qa-ww14-commit-c46052c+ #1
[  151.840406] Hardware name: Intel Corporation CannonLake Client
Platform/CannonLake Y LPDDR4 RVP, BIOS CNLSFWR1.R00.X124.B02.1802051422
02/05/2018
[  151.840444] Workqueue: events_long i915_hangcheck_elapsed [i915]
[  151.840476] RIP: 0010:print_request+0x11/0xb0 [i915]
[  151.840479] RSP: 0018:ffffbd3c40e73c30 EFLAGS: 00010282
[  151.840482] RAX: 0000000000000017 RBX: 00000000fffffffc RCX:
0000000000000006
[  151.840485] RDX: ffffbd3c40e73c70 RSI: 00000000fffffffc RDI:
ffffbd3c40e73dd8
[  151.840488] RBP: 0000000000000000 R08: 0000000000000003 R09:
0000000000000000
[  151.840491] R10: 0000000000000005 R11: ffffbd3c40e73c81 R12:
ffffbd3c40e73c70
[  151.840494] R13: ffffbd3c40e73dd8 R14: ffff98c3aa9662e0 R15:
0000000000000005
[  151.840497] FS:  0000000000000000(0000) GS:ffff98c3bf800000(0000)
knlGS:0000000000000000
[  151.840501] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  151.840503] CR2: 0000000100000004 CR3: 00000001f1c0a001 CR4:
0000000000760ef0
[  151.840507] PKRU: 55555554
[  151.840509] Call Trace:
[  151.840540]  intel_engine_print_registers+0x5ba/0x7f0 [i915]
[  151.840570]  intel_engine_dump+0x260/0x470 [i915]
[  151.840603]  ? fwtable_read32+0x83/0x1b0 [i915]
[  151.840633]  i915_hangcheck_elapsed+0x3ed/0x580 [i915]
[  151.840640]  ? __drm_printfn_info+0x20/0x20
[  151.840646]  process_one_work+0x147/0x3c0
[  151.840650]  worker_thread+0x4a/0x440
[  151.840653]  kthread+0xf8/0x130
[  151.840657]  ? rescuer_thread+0x360/0x360
[  151.840660]  ? kthread_associate_blkcg+0x90/0x90
[  151.840664]  ret_from_fork+0x35/0x40
[  151.840667] Code: 00 00 00 be 90 40 00 00 89 c2 48 89 df e8 38 4e fa eb e9
c4 fc ff ff 0f 1f 00 0f 1f 44 00 00 41 55 41 54 49 89 d4 55 53 48 89 f3 <48> 8b
46 08 48 89 fd 48 89 f7 48 8b 40 08 e8 ac 4c fa eb 48 8b 
[  151.840733] RIP: print_request+0x11/0xb0 [i915] RSP: ffffbd3c40e73c30
[  151.840736] CR2: 0000000100000004
[  151.840739] ---[ end trace d3cb685d687811aa ]---

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