[Bug 96781] [skl dp-mst] oops in atomic commit

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=96781

--- Comment #39 from Kadir <fd at colakoglu.nl> ---
I just noticed that after a suspend and resume, a simple logout and back to GDM
completely freezed the system. I am on Fedora 25 4.9.5-200.fc25.x86_64

Jan 29 11:25:09 latitude kernel:  [<ffffffff870a202b>] __warn+0xcb/0xf0
Jan 29 11:25:09 latitude kernel:  [<ffffffff870a20af>]
warn_slowpath_fmt+0x5f/0x80
Jan 29 11:25:09 latitude kernel:  [<ffffffff870e7054>] ? finish_wait+0x54/0x70
Jan 29 11:25:09 latitude kernel:  [<ffffffffc0390920>]
intel_atomic_commit_tail+0xfd0/0xff0 [i915]
Jan 29 11:25:09 latitude kernel:  [<ffffffff870e7270>] ?
prepare_to_wait_event+0x100/0x100
Jan 29 11:25:09 latitude kernel:  [<ffffffffc0390c93>]
intel_atomic_commit+0x353/0x4c0 [i915]
Jan 29 11:25:09 latitude kernel:  [<ffffffffc017756a>] ?
drm_atomic_check_only+0x30a/0x590 [drm]
Jan 29 11:25:09 latitude kernel:  [<ffffffffc0177d31>] ?
drm_atomic_add_affected_connectors+0x61/0xf0 [drm]
Jan 29 11:25:09 latitude kernel:  [<ffffffffc0177839>]
drm_atomic_commit+0x49/0x50 [drm]
Jan 29 11:25:09 latitude kernel:  [<ffffffffc01ffbec>]
restore_fbdev_mode+0x14c/0x270 [drm_kms_helper]
Jan 29 11:25:09 latitude kernel:  [<ffffffffc02017c4>]
drm_fb_helper_restore_fbdev_mode_unlocked+0x34/0x80 [drm_kms_helper]
Jan 29 11:25:09 latitude kernel:  [<ffffffffc020183d>]
drm_fb_helper_set_par+0x2d/0x60 [drm_kms_helper]
Jan 29 11:25:09 latitude kernel:  [<ffffffffc03aad68>]
intel_fbdev_set_par+0x18/0x70 [i915]
Jan 29 11:25:09 latitude kernel:  [<ffffffff87478816>] fb_set_var+0x236/0x460
Jan 29 11:25:09 latitude kernel:  [<ffffffff87406839>] ?
flex_array_get_ptr+0x9/0x20
Jan 29 11:25:09 latitude kernel:  [<ffffffff8738cdb6>] ?
type_attribute_bounds_av+0x46/0x1e0
Jan 29 11:25:09 latitude kernel:  [<ffffffff871c55c7>] ?
find_get_entries+0x177/0x2b0
Jan 29 11:25:09 latitude kernel:  [<ffffffff8746e63f>] fbcon_blank+0x30f/0x350
Jan 29 11:25:09 latitude kernel:  [<ffffffff875028d2>]
do_unblank_screen+0xd2/0x1a0
Jan 29 11:25:09 latitude kernel:  [<ffffffff874f85b7>] vt_ioctl+0x507/0x12a0
Jan 29 11:25:09 latitude kernel:  [<ffffffff874ecad5>] tty_ioctl+0x355/0xc40
Jan 29 11:25:09 latitude kernel:  [<ffffffff8737ad68>] ?
selinux_inode_free_security+0x58/0x70
Jan 29 11:25:09 latitude kernel:  [<ffffffff8729e581>] ?
fsnotify_destroy_marks+0x61/0x80
Jan 29 11:25:09 latitude kernel:  [<ffffffff8710d45d>] ?
call_rcu_sched+0x1d/0x20
Jan 29 11:25:09 latitude kernel:  [<ffffffff871df69d>] ?
shmem_destroy_inode+0x2d/0x40
Jan 29 11:25:09 latitude kernel:  [<ffffffff8726de03>] do_vfs_ioctl+0xa3/0x5f0
Jan 29 11:25:09 latitude kernel:  [<ffffffff8726e3c9>] SyS_ioctl+0x79/0x90
Jan 29 11:25:09 latitude kernel:  [<ffffffff8781cc77>]
entry_SYSCALL_64_fastpath+0x1a/0xa9
Jan 29 11:25:09 latitude kernel: ---[ end trace 1506db7661e4884c ]---
Jan 29 11:25:09 latitude kernel: [drm:drm_atomic_helper_commit_cleanup_done
[drm_kms_helper]] *ERROR* [CRTC:26:pipe A] flip_done timed out

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