[Bug 97047] New: i915: Kernel OOPS when plugging in a TV that's not turned on
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Fri Jul 22 14:00:35 UTC 2016
https://bugs.freedesktop.org/show_bug.cgi?id=97047
Bug ID: 97047
Summary: i915: Kernel OOPS when plugging in a TV that's not
turned on
Product: DRI
Version: unspecified
Hardware: Other
OS: All
Status: NEW
Severity: normal
Priority: medium
Component: DRM/Intel
Assignee: intel-gfx-bugs at lists.freedesktop.org
Reporter: krejzi at email.com
QA Contact: intel-gfx-bugs at lists.freedesktop.org
CC: intel-gfx-bugs at lists.freedesktop.org
When I plug in a TV that's not yet turned on in my HDMI port, I see the
following in my dmesg
[ 186.626562] ------------[ cut here ]------------
[ 186.626581] WARNING: CPU: 0 PID: 583 at drivers/gpu/drm/i915/intel_pm.c:3647
skl_update_other_pipe_wm+0x12e/0x140
[ 186.626582] WARN_ON(!wm_changed)
[ 186.626583] Modules linked in:
[ 186.626585] CPU: 0 PID: 583 Comm: Xorg Not tainted 4.7.0-rc7-krejzi #1
[ 186.626586] Hardware name: HP HP ProBook 470 G3/8102, BIOS N78 Ver. 01.11
05/09/2016
[ 186.626587] 0000000000000286 0000000058c94b0d ffffffff8131b2ce
ffff880221c739d0
[ 186.626589] 0000000000000000 ffffffff810bcdd4 ffff880236ae5000
ffff880221c73a28
[ 186.626590] ffff8800aed0a280 ffff8800aec76000 ffff8800aec763d0
ffff880221c73a44
[ 186.626592] Call Trace:
[ 186.626595] [<ffffffff8131b2ce>] ? dump_stack+0x46/0x68
[ 186.626597] [<ffffffff810bcdd4>] ? __warn+0xb4/0xd0
[ 186.626599] [<ffffffff810bce4a>] ? warn_slowpath_fmt+0x5a/0x80
[ 186.626601] [<ffffffff81452f5e>] ? skl_update_other_pipe_wm+0x12e/0x140
[ 186.626602] [<ffffffff814530cf>] ? skl_update_wm+0x15f/0x5e0
[ 186.626604] [<ffffffff818fd22f>] ? _raw_spin_unlock_irqrestore+0xf/0x30
[ 186.626606] [<ffffffff814d7bec>] ?
intel_ddi_enable_transcoder_func+0x17c/0x260
[ 186.626608] [<ffffffff814ba5d2>] ? haswell_crtc_enable+0x742/0x8c0
[ 186.626610] [<ffffffff814b6080>] ? intel_atomic_commit+0x4d0/0x12f0
[ 186.626611] [<ffffffff8143ce10>] ? drm_atomic_check_only+0x190/0x600
[ 186.626612] [<ffffffff8143c9ae>] ?
drm_atomic_set_crtc_for_connector+0x8e/0xf0
[ 186.626614] [<ffffffff8141ab94>] ? drm_atomic_helper_set_config+0x74/0xb0
[ 186.626616] [<ffffffff8142d10c>] ? drm_mode_set_config_internal+0x5c/0x110
[ 186.626617] [<ffffffff814316d6>] ? drm_mode_setcrtc+0x446/0x550
[ 186.626619] [<ffffffff81423d3c>] ? drm_ioctl+0x12c/0x4b0
[ 186.626620] [<ffffffff81431290>] ? drm_mode_setplane+0x1c0/0x1c0
[ 186.626621] [<ffffffff811da0ba>] ? do_vfs_ioctl+0x9a/0x5d0
[ 186.626623] [<ffffffff810fa58c>] ? update_fast_ctr+0x3c/0x60
[ 186.626625] [<ffffffff810c70d1>] ? recalc_sigpending+0x11/0x40
[ 186.626626] [<ffffffff810c7ce8>] ? __set_task_blocked+0x38/0x90
[ 186.626628] [<ffffffff810dc421>] ? preempt_count_add+0x51/0xa0
[ 186.626629] [<ffffffff811da65f>] ? SyS_ioctl+0x6f/0x80
[ 186.626631] [<ffffffff810ca556>] ? SyS_rt_sigprocmask+0x86/0xc0
[ 186.626633] [<ffffffff818fd65f>] ? entry_SYSCALL_64_fastpath+0x17/0x93
[ 186.626634] ---[ end trace 92afe052b626d937 ]---
[ 198.726744] ------------[ cut here ]------------
[ 198.726750] WARNING: CPU: 2 PID: 583 at drivers/gpu/drm/i915/intel_pm.c:3647
skl_update_other_pipe_wm+0x12e/0x140
[ 198.726750] WARN_ON(!wm_changed)
[ 198.726751] Modules linked in:
[ 198.726754] CPU: 2 PID: 583 Comm: Xorg Tainted: G W
4.7.0-rc7-krejzi #1
[ 198.726755] Hardware name: HP HP ProBook 470 G3/8102, BIOS N78 Ver. 01.11
05/09/2016
[ 198.726756] 0000000000000286 0000000058c94b0d ffffffff8131b2ce
ffff880221c739d0
[ 198.726758] 0000000000000000 ffffffff810bcdd4 ffff880236ae6000
ffff880221c73a28
[ 198.726759] ffff8800aed0a280 ffff8800aec76000 ffff8800aec763d0
ffff880221c73a44
[ 198.726761] Call Trace:
[ 198.726764] [<ffffffff8131b2ce>] ? dump_stack+0x46/0x68
[ 198.726766] [<ffffffff810bcdd4>] ? __warn+0xb4/0xd0
[ 198.726767] [<ffffffff810bce4a>] ? warn_slowpath_fmt+0x5a/0x80
[ 198.726769] [<ffffffff81452f5e>] ? skl_update_other_pipe_wm+0x12e/0x140
[ 198.726771] [<ffffffff814530cf>] ? skl_update_wm+0x15f/0x5e0
[ 198.726773] [<ffffffff818fd22f>] ? _raw_spin_unlock_irqrestore+0xf/0x30
[ 198.726774] [<ffffffff814d7bec>] ?
intel_ddi_enable_transcoder_func+0x17c/0x260
[ 198.726776] [<ffffffff814ba5d2>] ? haswell_crtc_enable+0x742/0x8c0
[ 198.726778] [<ffffffff814b6080>] ? intel_atomic_commit+0x4d0/0x12f0
[ 198.726779] [<ffffffff8143ce10>] ? drm_atomic_check_only+0x190/0x600
[ 198.726780] [<ffffffff8143c9ae>] ?
drm_atomic_set_crtc_for_connector+0x8e/0xf0
[ 198.726782] [<ffffffff8141ab94>] ? drm_atomic_helper_set_config+0x74/0xb0
[ 198.726784] [<ffffffff8142d10c>] ? drm_mode_set_config_internal+0x5c/0x110
[ 198.726786] [<ffffffff814316d6>] ? drm_mode_setcrtc+0x446/0x550
[ 198.726787] [<ffffffff81423d3c>] ? drm_ioctl+0x12c/0x4b0
[ 198.726789] [<ffffffff81431290>] ? drm_mode_setplane+0x1c0/0x1c0
[ 198.726791] [<ffffffff811da0ba>] ? do_vfs_ioctl+0x9a/0x5d0
[ 198.726793] [<ffffffff810fa58c>] ? update_fast_ctr+0x3c/0x60
[ 198.726795] [<ffffffff810c70d1>] ? recalc_sigpending+0x11/0x40
[ 198.726797] [<ffffffff810c7ce8>] ? __set_task_blocked+0x38/0x90
[ 198.726800] [<ffffffff810dc421>] ? preempt_count_add+0x51/0xa0
[ 198.726801] [<ffffffff811da65f>] ? SyS_ioctl+0x6f/0x80
[ 198.726803] [<ffffffff810ca556>] ? SyS_rt_sigprocmask+0x86/0xc0
[ 198.726805] [<ffffffff818fd65f>] ? entry_SYSCALL_64_fastpath+0x17/0x93
[ 198.726807] ---[ end trace 92afe052b626d938 ]---
Not sure where the second oops comes from, but internal panel flickers when I
plug in the TV, then when turn on the TV (but it hasn't finished initializing
yet), and flickers again right before the picture is displayed on the TV, after
the TV has finished "booting up" (usually takes 3-4 seconds after pressing the
power button).
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