[Bug 86771] [REGRESSION] intel_wait_for_vblank+0x20d/0x220 [i915]() vblank wait on pipe B timed out

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=86771

Alan Bartlett <ajb at elrepo.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
     Kernel Version|3.18-rc1 (first seen),      |3.18-rc1 (first seen),
                   |3.18-rc5 (still present)    |3.18-rc6 (still present)

--- Comment #10 from Alan Bartlett <ajb at elrepo.org> ---
Built 3.18-rc6 kernel and tested. Here are the latest traces --

------------[ cut here ]------------
WARNING: CPU: 0 PID: 121 at drivers/gpu/drm/i915/intel_display.c:901
g4x_wait_for_vblank+0xe9/0x100 [i915]()
vblank wait on pipe B timed out
Modules linked in: i915 drm_kms_helper video
CPU: 0 PID: 121 Comm: plymouthd Not tainted 3.18.0-0.rc6.el6.elrepo.x86_64 #1
Hardware name: Dell Inc. Latitude E5500                  /0DW633, BIOS A19
06/13/2013
 0000000000000385 ffff8801195ff9b8 ffffffff81666fef 0000000000000385
 ffff8801195ffa08 ffff8801195ff9f8 ffffffff8107298c 00000000fffb737f
 ffff8800d8a30000 0000000000071040 000000000000000f 00000000fffb737e
Call Trace:
 [<ffffffff81666fef>] dump_stack+0x49/0x62
 [<ffffffff8107298c>] warn_slowpath_common+0x8c/0xc0
 [<ffffffff81072a76>] warn_slowpath_fmt+0x46/0x50
 [<ffffffffa008f689>] g4x_wait_for_vblank+0xe9/0x100 [i915]
 [<ffffffffa008f6d9>] intel_wait_for_vblank+0x39/0x140 [i915]
 [<ffffffffa00c83a8>] intel_tv_detect_type+0x108/0x330 [i915]
 [<ffffffffa00c86c3>] intel_tv_detect+0xf3/0x200 [i915]
 [<ffffffff81163010>] ? find_get_entries+0xd0/0x130
 [<ffffffffa000dd73>]
drm_helper_probe_single_connector_modes_merge_bits+0x303/0x420 [drm_kms_helper]
 [<ffffffff81416bdb>] ? _object_find+0x8b/0xc0
 [<ffffffffa000dec3>] drm_helper_probe_single_connector_modes+0x13/0x20
[drm_kms_helper]
 [<ffffffff8141bc8c>] drm_mode_getconnector+0x40c/0x450
 [<ffffffff8140cffe>] drm_ioctl+0x2de/0x650
 [<ffffffff8141b880>] ? drm_mode_getproperty_ioctl+0x390/0x390
 [<ffffffff811ebbd3>] do_vfs_ioctl+0x73/0x380
 [<ffffffff81278a7f>] ? selinux_file_ioctl+0x4f/0xf0
 [<ffffffff811ebf81>] SyS_ioctl+0xa1/0xb0
 [<ffffffff8166b529>] system_call_fastpath+0x12/0x17
---[ end trace 2ab0d32e3b152df5 ]---

------------[ cut here ]------------
WARNING: CPU: 1 PID: 121 at drivers/gpu/drm/i915/intel_display.c:901
g4x_wait_for_vblank+0xe9/0x100 [i915]()
vblank wait on pipe B timed out
Modules linked in: i915 drm_kms_helper video
CPU: 1 PID: 121 Comm: plymouthd Tainted: G        W     
3.18.0-0.rc6.el6.elrepo.x86_64 #1
Hardware name: Dell Inc. Latitude E5500                  /0DW633, BIOS A19
06/13/2013
 0000000000000385 ffff8801195ff888 ffffffff81666fef 0000000000000385
 ffff8801195ff8d8 ffff8801195ff8c8 ffffffff8107298c 00000000fffb73c5
 ffff8800d8a30000 0000000000071040 0000000000000011 00000000fffb73c4
Call Trace:
 [<ffffffff81666fef>] dump_stack+0x49/0x62
 [<ffffffff8107298c>] warn_slowpath_common+0x8c/0xc0
 [<ffffffff81072a76>] warn_slowpath_fmt+0x46/0x50
 [<ffffffffa008f689>] g4x_wait_for_vblank+0xe9/0x100 [i915]
 [<ffffffffa008f6d9>] intel_wait_for_vblank+0x39/0x140 [i915]
 [<ffffffffa0097ee2>] i9xx_crtc_disable+0x92/0x360 [i915]
 [<ffffffffa0094d66>] intel_crtc_disable+0x56/0x150 [i915]
 [<ffffffffa009b687>] __intel_set_mode+0x287/0x730 [i915]
 [<ffffffffa009bb46>] intel_set_mode+0x16/0x30 [i915]
 [<ffffffffa009bc47>] intel_release_load_detect_pipe+0xb7/0x100 [i915]
 [<ffffffffa00c86d1>] intel_tv_detect+0x101/0x200 [i915]
 [<ffffffff81163010>] ? find_get_entries+0xd0/0x130
 [<ffffffffa000dd73>]
drm_helper_probe_single_connector_modes_merge_bits+0x303/0x420 [drm_kms_helper]
 [<ffffffff81416bdb>] ? _object_find+0x8b/0xc0
 [<ffffffffa000dec3>] drm_helper_probe_single_connector_modes+0x13/0x20
[drm_kms_helper]
 [<ffffffff8141bc8c>] drm_mode_getconnector+0x40c/0x450
 [<ffffffff8140cffe>] drm_ioctl+0x2de/0x650
 [<ffffffff8141b880>] ? drm_mode_getproperty_ioctl+0x390/0x390
 [<ffffffff811ebbd3>] do_vfs_ioctl+0x73/0x380
 [<ffffffff81278a7f>] ? selinux_file_ioctl+0x4f/0xf0
 [<ffffffff811ebf81>] SyS_ioctl+0xa1/0xb0
 [<ffffffff8166b529>] system_call_fastpath+0x12/0x17
---[ end trace 2ab0d32e3b152df6 ]---

-- 
You are receiving this mail because:
You are on the CC list for the bug.
You are the assignee for the bug.