[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 #12 from Hector Velazquez <hector.franciscox.velazquez.suriano at intel.com> ---
This tests has timeout/dmesg-fail on CNL QA 
Tests List:

igt at gem_ctx_switch@blt-interruptible
igt at gem_exec_flush@wb-rw-blt
igt at gem_exec_flush@wc-pro-blt

dmesg sample:
. . .
[Mar 7 01:20] hangcheck bcs0
[  +0.000006] hangcheck         current seqno 6ce05a, last 6ce05a, hangcheck
6ce05a [4000 ms], inflight 12490
[  +0.000002] hangcheck         Reset count: 0 (global 0)
[  +0.000002] hangcheck         Requests:
[  +0.000004] hangcheck         RING_START: 0x00e78000
[  +0.000004] hangcheck         RING_HEAD:  0x00003c48
[  +0.000003] hangcheck         RING_TAIL:  0x00003c48
[  +0.000005] hangcheck         RING_CTL:   0x00003000
[  +0.000004] hangcheck         RING_MODE:  0x00000200 [idle]
[  +0.000004] hangcheck         RING_IMR: feffffff
[  +0.000006] hangcheck         ACTHD:  0x00000000_43803c48
[  +0.000006] hangcheck         BBADDR: 0x00000000_00000004
[  +0.000006] hangcheck         DMA_FADDR: 0x00000000_00000000
[  +0.000004] hangcheck         IPEIR: 0x00000000
[  +0.000003] hangcheck         IPEHR: 0x00000000
[  +0.000005] hangcheck         Execlist status: 0x00000301 00000000
[  +0.000004] hangcheck         Execlist CSB read 5 [5 cached], write 5 [5 from
hws], interrupt posted? no
[  +0.000011] BUG: unable to handle kernel paging request at 0000000100000084
[  +0.000076] IP: print_request+0x11/0xb0 [i915]
[  +0.000006] PGD 0 P4D 0 
[  +0.000008] Oops: 0000 [#1] SMP PTI
[  +0.000007] Dumping ftrace buffer:
[  +0.000006]    (ftrace buffer empty)
[  +0.000004] Modules linked in: snd_hda_codec_hdmi cmac bnep 8250_dw arc4
nls_iso8859_1 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 snd_hda_codec_realtek
x86_pkg_temp_thermal intel_powerclamp snd_hda_codec_generic coretemp
snd_compress kvm_intel snd_pcm_dmaengine ac97_bus kvm iwlmvm irqbypass mac80211
crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc snd_hda_intel
snd_hda_codec aesni_intel aes_x86_64 snd_hda_core crypto_simd glue_helper
snd_hwdep cryptd snd_pcm snd_seq_midi snd_seq_midi_event input_leds snd_rawmidi
serio_raw snd_seq wmi_bmof snd_seq_device asix snd_timer usbnet mii iwlwifi snd
btusb btrtl btbcm btintel soundcore bluetooth shpchp cfg80211 ecdh_generic
idma64 virt_dma intel_pch_thermal mei_me intel_lpss_pci mei intel_lpss
[  +0.000096]  acpi_pad mac_hid parport_pc ppdev lp parport ip_tables x_tables
autofs4 uas usb_storage i915 e1000e wmi prime_numbers video
[  +0.000025] CPU: 0 PID: 48 Comm: kworker/0:2 Tainted: G     U          
4.16.0-rc4-drm-intel-qa-ww10-commit-6c6e100+ #1
[  +0.000007] Hardware name: Intel Corporation CannonLake Client
Platform/CannonLake Y LPDDR4 RVP, BIOS CNLSFWR1.R00.X124.B02.1802051422
02/05/2018
[  +0.000063] Workqueue: events_long i915_hangcheck_elapsed [i915]
[  +0.000056] RIP: 0010:print_request+0x11/0xb0 [i915]
[  +0.000005] RSP: 0018:ffffb68e40e97c90 EFLAGS: 00010286
[  +0.000006] RAX: 0000000000000017 RBX: 00000000fffffffc RCX: 0000000000000006
[  +0.000006] RDX: ffffb68e40e97cd0 RSI: 00000000fffffffc RDI: ffffb68e40e97e28
[  +0.000005] RBP: ffffb68e40e97e28 R08: 0000000000000003 R09: 0000000000000000
[  +0.000005] R10: 0000000000000005 R11: ffffb68e40e97ce1 R12: ffffb68e40e97cd0
[  +0.000005] R13: ffffb68e40e97e28 R14: ffff91c418cdc2e8 R15: 0000000000000005
[  +0.000006] FS:  0000000000000000(0000) GS:ffff91c42f800000(0000)
knlGS:0000000000000000
[  +0.000007] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  +0.000004] CR2: 0000000100000084 CR3: 000000017a60a002 CR4: 0000000000760ef0
[  +0.000005] PKRU: 55555554
[  +0.000004] Call Trace:
[  +0.000058]  intel_engine_print_registers+0x586/0x7c0 [i915]
[  +0.000056]  intel_engine_dump+0x22e/0x440 [i915]
[  +0.000056]  ? fwtable_read32+0x83/0x1b0 [i915]
[  +0.000052]  i915_hangcheck_elapsed+0x2f2/0x340 [i915]
[  +0.000012]  ? __drm_printfn_info+0x20/0x20
[  +0.000009]  process_one_work+0x147/0x3c0
[  +0.000008]  worker_thread+0x4a/0x440
[  +0.000008]  kthread+0xf8/0x130
[  +0.000007]  ? rescuer_thread+0x360/0x360
[  +0.000006]  ? kthread_associate_blkcg+0x90/0x90
[  +0.000007]  ret_from_fork+0x35/0x40
[  +0.000006] Code: 00 00 00 be 90 40 00 00 89 c2 48 89 df e8 a8 d4 9b d9 e9 c4
fc ff ff 0f 1f 00 0f 1f 44 00 00 41 55 41 54 49 89 d4 55 53 48 89 fd <48> 8b 86
88 00 00 00 48 8b 3d 21 f3 fb d9 48 89 f3 48 2b be e8 
[  +0.000119] RIP: print_request+0x11/0xb0 [i915] RSP: ffffb68e40e97c90
[  +0.000004] CR2: 0000000100000084
[  +0.000006] ---[ end trace 087b49c969bb5e6d ]---
[Mar 7 01:29] kmemleak: 2 new suspected memory leaks (see
/sys/kernel/debug/kmemleak)
. . .

software:
IGT-Version: 1.21-g289202e (x86_64) (Linux:
4.16.0-rc4-drm-intel-qa-ww10-commit-6c6e100+ x86_64)

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