[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 #4 from Marta Löfstedt <marta.lofstedt at intel.com> ---
https://intel-gfx-ci.01.org/tree/drm-tip/IGT_4292/shard-snb2/igt@kms_chv_cursor_fail@pipe-b-256x256-top-edge.html



[   83.043376] WARNING: CPU: 4 PID: 0 at drivers/gpu/drm/drm_vblank.c:614
drm_calc_vbltimestamp_from_scanoutpos+0x13e/0x2f0
[   83.043521] Modules linked in: vgem 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 broadcom bcm_phy_lib mei_me tg3 lpc_ich
prime_numbers mei
[   83.043562] CPU: 4 PID: 0 Comm: swapper/4 Tainted: G     U          
4.16.0-rc2-CI-CI_DRM_3830+ #1
[   83.043564] Hardware name: Dell Inc. XPS 8300  /0Y2MRG, BIOS A06 10/17/2011
[   83.043568] RIP: 0010:drm_calc_vbltimestamp_from_scanoutpos+0x13e/0x2f0
[   83.043570] RSP: 0018:ffff88022fb03d10 EFLAGS: 00010082
[   83.043574] RAX: ffffffffa02d4d20 RBX: ffff8802114a0000 RCX:
0000000000000001
[   83.043576] RDX: ffffffff820e7e68 RSI: 0000000000000001 RDI:
ffffffff82068da2
[   83.043578] RBP: ffff88022fb03d70 R08: 0000000000000000 R09:
ffffffff815d2730
[   83.043580] R10: 0000000000000000 R11: ffffffffa01a4ca0 R12:
0000000000000001
[   83.043582] R13: ffff8802263437e8 R14: ffff880226343b10 R15:
0000000000000000
[   83.043584] FS:  0000000000000000(0000) GS:ffff88022fb00000(0000)
knlGS:0000000000000000
[   83.043587] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   83.043589] CR2: 00007f1144932848 CR3: 0000000002210004 CR4:
00000000000606e0
[   83.043591] Call Trace:
[   83.043593]  <IRQ>
[   83.043605]  drm_get_last_vbltimestamp+0x36/0x50
[   83.043609]  drm_update_vblank_count+0x64/0x240
[   83.043617]  drm_crtc_accurate_vblank_count+0x41/0x90
[   83.043661]  display_pipe_crc_irq_handler+0x176/0x220 [i915]
[   83.043705]  i9xx_pipe_crc_irq_handler+0xfe/0x150 [i915]
[   83.043746]  ironlake_irq_handler+0x618/0xa30 [i915]
[   83.043756]  __handle_irq_event_percpu+0x3c/0x340
[   83.043764]  handle_irq_event_percpu+0x1b/0x50
[   83.043769]  handle_irq_event+0x2f/0x50
[   83.043774]  handle_edge_irq+0xe4/0x1b0
[   83.043780]  handle_irq+0x11/0x20
[   83.043784]  do_IRQ+0x5e/0x120
[   83.043791]  common_interrupt+0x84/0x84
[   83.043794]  </IRQ>
[   83.043798] RIP: 0010:cpuidle_enter_state+0xaa/0x350
[   83.043800] RSP: 0018:ffffc9000008beb8 EFLAGS: 00000212 ORIG_RAX:
ffffffffffffffdd
[   83.043804] RAX: ffff880226b80040 RBX: 0000000000fde97f RCX:
0000000000000001
[   83.043806] RDX: 0000000000000000 RSI: ffffffff8210fc09 RDI:
ffffffff820c0397
[   83.043808] RBP: 0000000000000004 R08: 00000000000040ac R09:
0000000000000014
[   83.043810] R10: 0000000000000000 R11: 0000000000000000 R12:
0000000000000004
[   83.043812] R13: ffffe8ffffd00430 R14: 0000001354c4195e R15:
ffffffff82294460
[   83.043827]  ? cpuidle_enter_state+0xa6/0x350
[   83.043835]  do_idle+0x188/0x1d0
[   83.043842]  cpu_startup_entry+0x14/0x20
[   83.043847]  start_secondary+0x129/0x160
[   83.043852]  secondary_startup_64+0xa5/0xb0
[   83.043866] Code: e1 48 c7 c2 68 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 
[   83.043960] ---[ end trace fe7d81c9e3c5e861 ]---

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