[Bug 104982] [IGT][CNL Only] igt at debugfs_test@read_all_entries dmesg-warn WARN_ON_ONCE(mcr & ((((3) & 3) << 26) | (((3) & 3) << 24)))

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Mon Apr 2 22:24:33 UTC 2018


https://bugs.freedesktop.org/show_bug.cgi?id=104982

--- Comment #9 from Elizabeth <elizabethx.de.la.torre.mena at intel.com> ---
Results for igt at debugfs_test@read_all_entries
Result: dmesg-warn

Out     
IGT-Version: 1.21-ge3a0ed9 (x86_64) (Linux:
4.16.0-rc7-drm-intel-qa-ww14-commit-c46052c+ x86_64)
Subtest read_all_entries: SUCCESS (1.551s)

Dmesg   
[   74.742586] ------------[ cut here ]------------
[   74.742587] WARN_ON_ONCE(mcr & mcr_slice_subslice_mask)
[   74.742676] WARNING: CPU: 3 PID: 2074 at
drivers/gpu/drm/i915/intel_engine_cs.c:835
intel_engine_get_instdone+0x45e/0x4b0 [i915]
[   74.742677] Modules linked in: snd_hda_codec_hdmi cmac 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 iwlmvm snd_compress
snd_hda_codec_realtek snd_pcm_dmaengine ac97_bus snd_hda_codec_generic mac80211
x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel snd_hda_intel kvm
snd_hda_codec irqbypass snd_hda_core crct10dif_pclmul crc32_pclmul
ghash_clmulni_intel snd_hwdep pcbc snd_pcm aesni_intel aes_x86_64 crypto_simd
snd_seq_midi glue_helper snd_seq_midi_event cryptd snd_rawmidi input_leds btusb
snd_seq serio_raw btrtl btbcm btintel snd_seq_device wmi_bmof snd_timer
bluetooth iwlwifi snd ax88179_178a idma64 virt_dma usbnet soundcore mei_me mii
shpchp ecdh_generic cfg80211 intel_lpss_pci mei intel_lpss intel_pch_thermal
[   74.742741]  mac_hid acpi_pad parport_pc ppdev lp parport ip_tables x_tables
autofs4 dwc3 udc_core ulpi i915 e1000e dwc3_pci prime_numbers wmi video
[   74.742761] CPU: 3 PID: 2074 Comm: debugfs_test Not tainted
4.16.0-rc7-drm-intel-qa-ww14-commit-c46052c+ #1
[   74.742763] Hardware name: Intel Corporation CannonLake Client
Platform/CannonLake Y LPDDR4 RVP, BIOS CNLSFWR1.R00.X124.B02.1802051422
02/05/2018
[   74.742811] RIP: 0010:intel_engine_get_instdone+0x45e/0x4b0 [i915]
[   74.742814] RSP: 0018:ffffa91c039ffbf0 EFLAGS: 00010082
[   74.742817] RAX: 0000000000000000 RBX: 000000000f000000 RCX:
ffffffff84e58448
[   74.742819] RDX: 0000000000000001 RSI: 0000000000000082 RDI:
0000000000000002
[   74.742821] RBP: ffffa91c039ffcb8 R08: 000000000000002b R09:
0000000000000afb
[   74.742822] R10: 00000000ffffffff R11: 0000000000000afb R12:
0000000000000001
[   74.742824] R13: ffff8cb5e90d8000 R14: 0000000000000000 R15:
0000000011000000
[   74.742827] FS:  00007f8b3ca8ca40(0000) GS:ffff8cb5ff980000(0000)
knlGS:0000000000000000
[   74.742829] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   74.742831] CR2: 00007f3d4395adc0 CR3: 00000002b0190003 CR4:
0000000000760ee0
[   74.742833] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
[   74.742835] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7:
0000000000000400
[   74.742836] PKRU: 55555554
[   74.742838] Call Trace:
[   74.742880]  i915_hangcheck_info+0x107/0x3f0 [i915]
[   74.742888]  ? is_bpf_text_address+0xa/0x20
[   74.742893]  ? __save_stack_trace+0x92/0x100
[   74.742899]  seq_read+0xb6/0x450
[   74.742904]  full_proxy_read+0x50/0x70
[   74.742909]  __vfs_read+0x36/0x170
[   74.742913]  vfs_read+0x8e/0x130
[   74.742916]  SyS_read+0x52/0xc0
[   74.742921]  do_syscall_64+0x6e/0x120
[   74.742926]  entry_SYSCALL_64_after_hwframe+0x3d/0xa2
[   74.742929] RIP: 0033:0x7f8b3ac49d11
[   74.742930] RSP: 002b:00007ffc62e3fbc8 EFLAGS: 00000246 ORIG_RAX:
0000000000000000
[   74.742934] RAX: ffffffffffffffda RBX: 0000000000b32423 RCX:
00007f8b3ac49d11
[   74.742935] RDX: 0000000000000200 RSI: 00007ffc62e3fbe0 RDI:
0000000000000006
[   74.742937] RBP: 0000000000b31e70 R08: 0000000000000000 R09:
0000000000000000
[   74.742939] R10: 0000000000000000 R11: 0000000000000246 R12:
0000000000000001
[   74.742940] R13: 0000000000000005 R14: 0000000000000006 R15:
0000000000000000
[   74.742943] Code: e7 fe ff ff 80 3d 7a 20 17 00 00 0f 85 40 fe ff ff 48 c7
c6 78 66 3d c0 48 c7 c7 6e 1d 3c c0 c6 05 5f 20 17 00 01 e8 22 b7 98 c3 <0f> 0b
8b 4c 24 10 e9 1b fe ff ff 80 3d 48 20 17 00 00 0f 85 07 
[   74.743050] WARNING: CPU: 3 PID: 2074 at
drivers/gpu/drm/i915/intel_engine_cs.c:835
intel_engine_get_instdone+0x45e/0x4b0 [i915]
[   74.743051] ---[ end trace 1c66f8f80e4df2f0 ]---

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