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

Tue Feb 27 06:43:18 UTC 2018

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

--- Comment #7 from Marta Löfstedt <marta.lofstedt at intel.com> ---
https://intel-gfx-ci.01.org/tree/drm-tip/IGT_4301/shard-snb2/igt@kms_chv_cursor_fail@pipe-b-256x256-right-edge.html

<7>[  160.756344] [drm:intel_disable_pipe [i915]] disabling pipe B
<4>[  160.756585] WARNING: CPU: 4 PID: 0 at drivers/gpu/drm/drm_vblank.c:614
drm_calc_vbltimestamp_from_scanoutpos+0x13e/0x2f0
<4>[  160.756700] 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 broadcom bcm_phy_lib snd_pcm
tg3 mei_me mei prime_numbers lpc_ich
<4>[  160.756741] CPU: 4 PID: 0 Comm: swapper/4 Tainted: G     U          
4.16.0-rc2-CI-CI_DRM_3832+ #1
<4>[  160.756744] Hardware name: Dell Inc. XPS 8300  /0Y2MRG, BIOS A06
10/17/2011
<4>[  160.756747] RIP: 0010:drm_calc_vbltimestamp_from_scanoutpos+0x13e/0x2f0
<4>[  160.756750] RSP: 0018:ffff88022fb03d10 EFLAGS: 00010082
<4>[  160.756753] RAX: ffffffffa028cd20 RBX: ffff88021a350000 RCX:
0000000000000001
<4>[  160.756755] RDX: ffffffff820e7e68 RSI: 0000000000000001 RDI:
ffffffff82068da2
<4>[  160.756757] RBP: ffff88022fb03d70 R08: 0000000000000000 R09:
ffffffff815d2730
<4>[  160.756759] R10: 0000000000000000 R11: ffffffffa015cca0 R12:
0000000000000001
<4>[  160.756762] R13: ffff8802263437e8 R14: ffff880226343b10 R15:
0000000000000000
<4>[  160.756764] FS:  0000000000000000(0000) GS:ffff88022fb00000(0000)
knlGS:0000000000000000
<4>[  160.756766] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  160.756769] CR2: 00007f5c4353d848 CR3: 0000000002210006 CR4:
00000000000606e0
<4>[  160.756771] Call Trace:
<4>[  160.756773]  <IRQ>
<4>[  160.756785]  drm_get_last_vbltimestamp+0x36/0x50
<4>[  160.756789]  drm_update_vblank_count+0x64/0x240
<4>[  160.756797]  drm_crtc_accurate_vblank_count+0x41/0x90
<4>[  160.756842]  display_pipe_crc_irq_handler+0x176/0x220 [i915]
<4>[  160.756886]  i9xx_pipe_crc_irq_handler+0xfe/0x150 [i915]
<4>[  160.756927]  ironlake_irq_handler+0x618/0xa30 [i915]
<4>[  160.756937]  __handle_irq_event_percpu+0x3c/0x340
<4>[  160.756945]  handle_irq_event_percpu+0x1b/0x50
<4>[  160.756950]  handle_irq_event+0x2f/0x50
<4>[  160.756955]  handle_edge_irq+0xe4/0x1b0
<4>[  160.756961]  handle_irq+0x11/0x20
<4>[  160.756965]  do_IRQ+0x5e/0x120
<4>[  160.756972]  common_interrupt+0x84/0x84
<4>[  160.756975]  </IRQ>
<4>[  160.756979] RIP: 0010:cpuidle_enter_state+0xaa/0x350
<4>[  160.756981] RSP: 0018:ffffc9000008beb8 EFLAGS: 00000212 ORIG_RAX:
ffffffffffffffde
<4>[  160.756985] RAX: ffff880226b80040 RBX: 0000000000ebcabf RCX:
0000000000000001
<4>[  160.756987] RDX: 0000000000000000 RSI: ffffffff8210fc09 RDI:
ffffffff820c0397
<4>[  160.756989] RBP: 0000000000000004 R08: 00000000000040ae R09:
0000000000000018
<4>[  160.756991] R10: 0000000000000000 R11: 0000000000000000 R12:
0000000000000004
<4>[  160.756993] R13: ffffe8ffffd00430 R14: 000000256ce802c6 R15:
ffffffff82294460
<4>[  160.757008]  ? cpuidle_enter_state+0xa6/0x350
<4>[  160.757016]  do_idle+0x188/0x1d0
<4>[  160.757023]  cpu_startup_entry+0x14/0x20
<4>[  160.757028]  start_secondary+0x129/0x160
<4>[  160.757033]  secondary_startup_64+0xa5/0xb0
<4>[  160.757047] 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 
<4>[  160.757141] ---[ end trace 0a492cca59b4deff ]---

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