[Bug 95063] [SKL] random system hang with RC6 enabled
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Wed Mar 8 17:37:06 UTC 2017
https://bugs.freedesktop.org/show_bug.cgi?id=95063
--- Comment #16 from Matt Turner <mattst88 at gmail.com> ---
I think this is still occurring on 4.11-rc1:
[drm:intel_panel_enable_backlight] pipe A
[drm:intel_panel_actually_set_backlight] set backlight PWM = 317
[drm:intel_psr_enable] PSR disable by flag
[drm:intel_edp_drrs_enable] Panel doesn't support DRRS
[drm:intel_fbc_enable] reserved 33177600 bytes of contiguous stolen space for
FBC, threshold: 1
[drm:intel_fbc_enable] Enabling FBC on pipe A
------------[ cut here ]------------
WARNING: CPU: 3 PID: 1099 at
/home/mattst88/projects/linux/drivers/gpu/drm/i915/intel_display.c:14239
intel_atomic_commit_tail+0xf6c/0xf80
pipe A vblank wait timed out
Modules linked in: iwlmvm iwlwifi
CPU: 3 PID: 1099 Comm: Xorg Tainted: G W 4.11.0-rc1 #1
Hardware name: LENOVO 20ENCTO1WW/20ENCTO1WW, BIOS N1EET65W (1.38 ) 02/09/2017
Call Trace:
dump_stack+0x4d/0x66
__warn+0xc6/0xe0
warn_slowpath_fmt+0x4a/0x50
? finish_wait+0x51/0x60
intel_atomic_commit_tail+0xf6c/0xf80
? wake_atomic_t_function+0x50/0x50
intel_atomic_commit+0x38a/0x450
? wake_atomic_t_function+0x50/0x50
drm_atomic_commit+0x46/0x50
drm_atomic_helper_set_config+0x7e/0xd0
drm_mode_set_config_internal+0x60/0x110
drm_mode_setcrtc+0x3cd/0x4b0
drm_ioctl+0x1d7/0x440
? drm_mode_getcrtc+0x170/0x170
? __vfs_read+0xba/0x110
do_vfs_ioctl+0x8f/0x5b0
? vfs_read+0x116/0x130
SyS_ioctl+0x3c/0x70
entry_SYSCALL_64_fastpath+0x13/0x94
RIP: 0033:0x7f22756b7167
RSP: 002b:00007ffe91a0ddc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00000000019f6b90 RCX: 00007f22756b7167
RDX: 00007ffe91a0de00 RSI: 00000000c06864a2 RDI: 000000000000000b
RBP: 00000000019f0940 R08: 0000000000000000 R09: 000000000257b9e0
R10: 00007ffe91a0def0 R11: 0000000000000246 R12: 00000000019ef878
R13: 00007ffe91a0e0ec R14: 00007ffe91a0e030 R15: 00007ffe91a0ed2c
---[ end trace d31868330c63feb5 ]---
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