[Bug 85431] New: intel_display.c:902 g4x_wait_for_vblank+0xd5/0xf0 [i915]() vblank wait timed out

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=85431

            Bug ID: 85431
           Summary: intel_display.c:902 g4x_wait_for_vblank+0xd5/0xf0
                    [i915]() vblank wait timed out
           Product: Drivers
           Version: 2.5
    Kernel Version: 3.17-rc7
          Hardware: x86-64
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Video(DRI - Intel)
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: ajb at elrepo.org
                CC: intel-gfx-bugs at lists.freedesktop.org
        Regression: No

Created attachment 152201
  --> https://bugzilla.kernel.org/attachment.cgi?id=152201&action=edit
Relevant output of lspci -nnvv command

------------[ cut here ]------------
WARNING: CPU: 1 PID: 116 at drivers/gpu/drm/i915/intel_display.c:902
g4x_wait_for_vblank+0xd5/0xf0 [i915]()
vblank wait timed out
Modules linked in: i915 drm_kms_helper video
CPU: 1 PID: 116 Comm: plymouthd Not tainted 3.17.0-0.rc7.el6.elrepo.x86_64 #1
Hardware name: Dell Inc. Latitude E5500                  /0DW633, BIOS A19
06/13/2013
 0000000000000386 ffff8801196179d8 ffffffff8165a527 0000000000000386
 ffff880119617a28 ffff880119617a18 ffffffff8107183c 00000000fffb7398
 ffff8800d8a50000 0000000000071040 0000000000000009 00000000fffb7397
Call Trace:
 [<ffffffff8165a527>] dump_stack+0x49/0x62
 [<ffffffff8107183c>] warn_slowpath_common+0x8c/0xc0
 [<ffffffff81071926>] warn_slowpath_fmt+0x46/0x50
 [<ffffffffa008bcd5>] g4x_wait_for_vblank+0xd5/0xf0 [i915]
 [<ffffffffa008bd25>] intel_wait_for_vblank+0x35/0x130 [i915]
 [<ffffffffa00c447b>] intel_tv_detect_type+0x10b/0x330 [i915]
 [<ffffffffa00c4793>] intel_tv_detect+0xf3/0x200 [i915]
 [<ffffffffa0010d23>]
drm_helper_probe_single_connector_modes_merge_bits+0x2b3/0x3d0 [drm_kms_helper]
 [<ffffffff8141117b>] ? _object_find+0x8b/0xc0
 [<ffffffffa0010e73>] drm_helper_probe_single_connector_modes+0x13/0x20
[drm_kms_helper]
 [<ffffffff81413b8c>] drm_mode_getconnector+0x40c/0x450
 [<ffffffff811c3697>] ? do_huge_pmd_anonymous_page+0x107/0x290
 [<ffffffff814079ce>] drm_ioctl+0x2de/0x650
 [<ffffffff8105d864>] ? __do_page_fault+0xe4/0x4c0
 [<ffffffff81413780>] ? drm_plane_force_disable+0x70/0x70
 [<ffffffff811e88b3>] do_vfs_ioctl+0x73/0x380
 [<ffffffff8127548f>] ? selinux_file_ioctl+0x4f/0xf0
 [<ffffffff811e8c61>] SyS_ioctl+0xa1/0xb0
 [<ffffffff8165ede9>] system_call_fastpath+0x16/0x1b
---[ end trace 50529787d26448be ]---

Bisecting the kernel results in the following log --

git bisect start
# bad: [fe82dcec644244676d55a1384c958d5f67979adb] Linux 3.17-rc7
git bisect bad fe82dcec644244676d55a1384c958d5f67979adb
# good: [1860e379875dfe7271c649058aeddffe5afd9d0d] Linux 3.15
git bisect good 1860e379875dfe7271c649058aeddffe5afd9d0d
# bad: [fa24615f4ce27fc41f11348459b2e26655c7255a] Merge tag
'char-misc-3.16-rc6' of
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
git bisect bad fa24615f4ce27fc41f11348459b2e26655c7255a
# good: [dcbff5d1effbbd52be1ed9f2efb6c8d0445ad188] idr: reorder the fields
git bisect good dcbff5d1effbbd52be1ed9f2efb6c8d0445ad188
# bad: [0430e49b6e7c6b5e076be8fefdee089958c9adad] ima: introduce
ima_kernel_read()
git bisect bad 0430e49b6e7c6b5e076be8fefdee089958c9adad
# good: [9ee4d7a6538308a7681b638d2f35f2a301420355] Merge branch 'akpm' (patches
from Andrew Morton)
git bisect good 9ee4d7a6538308a7681b638d2f35f2a301420355
# bad: [bc1dfff04a5d4064ba0db1fab13f84ab4f333d2b] Merge branch
'drm-nouveau-next' of git://anongit.freedesktop.org/git/nouveau/linux-2.6 into
drm-next
git bisect bad bc1dfff04a5d4064ba0db1fab13f84ab4f333d2b
# bad: [4fa62c890cea83f28c30e1d5dc8fc86f61210280] drm/i915: Move buffer pinning
and ring selection to intel_crtc_page_flip()
git bisect bad 4fa62c890cea83f28c30e1d5dc8fc86f61210280
# bad: [aeab0b5af7df88284d101abf8d121f0e913b81ff] drm/i915: disable runtime PM
if RC6 is disabled
git bisect bad aeab0b5af7df88284d101abf8d121f0e913b81ff
# bad: [13732ba7493fd4b28568f768ee12497e26a0c8af] drm/i915: move infoframe
setting to after pll enable v3
git bisect bad 13732ba7493fd4b28568f768ee12497e26a0c8af
# good: [7c4d664e03c9b12572356a6ce8e69c7d59e6f4f7] drm/i915: fix open coded
gen5_gt_irq_preinstall
git bisect good 7c4d664e03c9b12572356a6ce8e69c7d59e6f4f7
# good: [9926ada1280767a039c4bc0f84549eb8f273c5de] drm/i915: only check for
irqs_disabled when disabling LCPLL
git bisect good 9926ada1280767a039c4bc0f84549eb8f273c5de
# good: [4e04632e882719e46edcbbc0b76fad778a0ed845] drm/i915/vlv:Implement the
WA 'WaDisable_RenderCache_OperationalFlush'
git bisect good 4e04632e882719e46edcbbc0b76fad778a0ed845
# bad: [2a44b76bb5a1f520371432825c91fa46c63bde84] drm/i915: Add some more
tracked state to intel_pipe_wm
git bisect bad 2a44b76bb5a1f520371432825c91fa46c63bde84
# good: [935f38d6948eb0bf10ac691d010fec9e9163a9c6] drm/i915: Unref context on
failed eb_create
git bisect good 935f38d6948eb0bf10ac691d010fec9e9163a9c6
# bad: [17d36749a559905f7d9a640239a9fc74fc3bb445] drm/i915: Dump the whole
context object.
git bisect bad 17d36749a559905f7d9a640239a9fc74fc3bb445

The file .git/refs/bisect/bad contains --

17d36749a559905f7d9a640239a9fc74fc3bb445

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