[Bug 105185] [CI] igt at kms_chv_cursor_fail@pipe-b* - dmesg-warn - WARNING: CPU: 4 PID: 1734 at drivers/gpu/drm/drm_vblank.c:614 drm_calc_vbltimestamp_from_scanoutpos+0x13e/0x2f0

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=105185

--- Comment #5 from Marta Löfstedt <marta.lofstedt at intel.com> ---
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3833/shard-glkb2/igt@kms_plane_lowres@pipe-b-tiling-none.html

<7>[  188.382449] [drm:intel_disable_pipe [i915]] disabling pipe B
<4>[  188.382621] WARNING: CPU: 1 PID: 0 at drivers/gpu/drm/drm_vblank.c:614
drm_calc_vbltimestamp_from_scanoutpos+0x13e/0x2f0
<4>[  188.382681] Modules linked in: snd_hda_codec_hdmi snd_hda_codec_realtek
snd_hda_codec_generic i915 x86_pkg_temp_thermal intel_powerclamp coretemp
crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_intel snd_hda_codec
snd_hwdep snd_hda_core snd_pcm r8169 mii mei_me mei prime_numbers i2c_hid
pinctrl_geminilake pinctrl_intel
<4>[  188.382835] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G     U          
4.16.0-rc2-CI-CI_DRM_3833+ #1
<4>[  188.382881] Hardware name: Intel Corp. Geminilake/GLK RVP2 LP4SD (07),
BIOS GELKRVPA.X64.0062.B30.1708222146 08/22/2017
<4>[  188.382917] RIP: 0010:drm_calc_vbltimestamp_from_scanoutpos+0x13e/0x2f0
<4>[  188.382929] RSP: 0018:ffff88017fc83d38 EFLAGS: 00010082
<4>[  188.382951] RAX: ffffffffa024fd20 RBX: ffff880166580000 RCX:
0000000000000001
<4>[  188.382963] RDX: ffffffff820e7e80 RSI: 0000000000000001 RDI:
ffffffff82068da2
<4>[  188.382974] RBP: ffff88017fc83d98 R08: 0000000000000000 R09:
ffffffff815d2780
<4>[  188.382993] R10: 0000000000000000 R11: ffffffffa011fca0 R12:
0000000000000001
<4>[  188.383005] R13: ffff8801667e4138 R14: ffff8801667e4460 R15:
0000000000000000
<4>[  188.383018] FS:  0000000000000000(0000) GS:ffff88017fc80000(0000)
knlGS:0000000000000000
<4>[  188.383030] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  188.383056] CR2: 00007f5307601000 CR3: 0000000005210000 CR4:
0000000000340ee0
<4>[  188.383062] Call Trace:
<4>[  188.383073]  <IRQ>
<4>[  188.383101]  drm_get_last_vbltimestamp+0x36/0x50
<4>[  188.383115]  drm_update_vblank_count+0x64/0x240
<4>[  188.383137]  drm_crtc_accurate_vblank_count+0x41/0x90
<4>[  188.383240]  display_pipe_crc_irq_handler+0x176/0x220 [i915]
<4>[  188.383356]  hsw_pipe_crc_irq_handler+0x46/0x50 [i915]
<4>[  188.383454]  gen8_irq_handler+0x389/0x630 [i915]
<4>[  188.383485]  __handle_irq_event_percpu+0x3c/0x340
<4>[  188.383504]  handle_irq_event_percpu+0x1b/0x50
<4>[  188.383520]  handle_irq_event+0x2f/0x50
<4>[  188.383532]  handle_edge_irq+0xe4/0x1b0
<4>[  188.383546]  handle_irq+0x11/0x20
<4>[  188.383556]  do_IRQ+0x5e/0x120
<4>[  188.383575]  common_interrupt+0x84/0x84
<4>[  188.383585]  </IRQ>
<4>[  188.383595] RIP: 0010:cpuidle_enter_state+0xaa/0x350
<4>[  188.383601] RSP: 0018:ffffc900000c3eb8 EFLAGS: 00000202 ORIG_RAX:
ffffffffffffffd9
<4>[  188.383614] RAX: ffff88017a948040 RBX: 0000000000fa04e6 RCX:
0000000000000001
<4>[  188.383620] RDX: 0000000000000000 RSI: ffffffff8210fc21 RDI:
ffffffff820c0397
<4>[  188.383628] RBP: 0000000000000007 R08: 00000000ffffffff R09:
0000000000000008
<4>[  188.383637] R10: 0000000000000000 R11: 0000000000000000 R12:
0000000000000007
<4>[  188.383646] R13: ffff88017fcab650 R14: 0000002bdb7e77e7 R15:
ffffffff82294460
<4>[  188.383685]  ? cpuidle_enter_state+0xa6/0x350
<4>[  188.383702]  do_idle+0x188/0x1d0
<4>[  188.383720]  cpu_startup_entry+0x14/0x20
<4>[  188.383731]  start_secondary+0x129/0x160
<4>[  188.383743]  secondary_startup_64+0xa5/0xb0
<4>[  188.383777] Code: e1 48 c7 c2 80 7e 0e 82 be 01 00 00 00 48 c7 c7 a2 8d
06 82 e8 64 ec ff ff 48 8b 83 c8 07 00 00 48 83 78 28 00 0f 84 e2 fe ff ff <0f>
0b 45 31 ed e9 db fe ff ff 41 b8 d3 4d 62 10 89 c8 6a 03 41 
<4>[  188.384145] ---[ end trace d8560d78250ac4de ]---

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