I have just experienced this issue today.
Dell Latitude 6330
CPU: i3-3110M
GPU: Intel Corporation 3rd Gen Core processor Graphics Controller (rev 09)
Ubuntu 14.04.2 with intel linux graphics driver 1.0.7
syslog:
Apr 12 22:37:34 kernel: [37436.202310] CPU: 0 PID: 6036 Comm: Xorg Tainted: G
OE 3.16.0-34-generic #45~14.04.1-Ubuntu
Apr 12 22:37:34 kernel: [37436.202311] Hardware name: Dell Inc. Latitude
E6330/0XP1RW, BIOS A14 09/24/2014
Apr 12 22:37:34 kernel: [37436.202315] 0000000000000009 ffff8801571df9a8
ffffffff8176432f 0000000000000000
Apr 12 22:37:34 kernel: [37436.202317] ffff8801571df9e0 ffffffff8106dd9d
0000000000000000 ffff880035d6e000
Apr 12 22:37:34 kernel: [37436.202319] ffff8800c9d58210 ffff8801fef53000
ffff8801fef53368 ffff8801571df9f0
Apr 12 22:37:34 kernel: [37436.202320] Call Trace:
Apr 12 22:37:34 kernel: [37436.202328] [<ffffffff8176432f>]
dump_stack+0x45/0x56
Apr 12 22:37:34 kernel: [37436.202333] [<ffffffff8106dd9d>]
warn_slowpath_common+0x7d/0xa0
Apr 12 22:37:34 kernel: [37436.202336] [<ffffffff8106de7a>]
warn_slowpath_null+0x1a/0x20
Apr 12 22:37:34 kernel: [37436.202363] [<ffffffffc05cec61>]
intel_crtc_wait_for_pending_flips+0x171/0x180 [i915]
Apr 12 22:37:34 kernel: [37436.202369] [<ffffffff810b4d70>] ?
prepare_to_wait_event+0x100/0x100
Apr 12 22:37:34 kernel: [37436.202394] [<ffffffffc05d84d9>]
intel_crtc_set_config+0x959/0xdb0 [i915]
Apr 12 22:37:34 kernel: [37436.202418] [<ffffffffc0444401>]
drm_mode_set_config_internal+0x61/0xe0 [drm]
Apr 12 22:37:34 kernel: [37436.202428] [<ffffffffc0418b33>]
restore_fbdev_mode+0xb3/0xe0 [drm_kms_helper]
Apr 12 22:37:34 kernel: [37436.202437] [<ffffffffc041a775>]
drm_fb_helper_restore_fbdev_mode_unlocked+0x25/0x70 [drm_kms_helper]
Apr 12 22:37:34 kernel: [37436.202446] [<ffffffffc041a7e2>]
drm_fb_helper_set_par+0x22/0x50 [drm_kms_helper]
Apr 12 22:37:34 kernel: [37436.202450] [<ffffffff814015d1>]
fb_set_var+0x191/0x430
Apr 12 22:37:34 kernel: [37436.202453] [<ffffffff810aa740>] ?
update_curr+0x80/0x180
Apr 12 22:37:34 kernel: [37436.202457] [<ffffffff813f8611>]
fbcon_blank+0x1d1/0x2d0
Apr 12 22:37:34 kernel: [37436.202461] [<ffffffff8109ebdd>] ?
ttwu_do_activate.constprop.85+0x5d/0x70
Apr 12 22:37:34 kernel: [37436.202466] [<ffffffff81483948>]
do_unblank_screen+0xb8/0x1f0
Apr 12 22:37:34 kernel: [37436.202469] [<ffffffff814798ca>]
complete_change_console+0x5a/0xe0
Apr 12 22:37:34 kernel: [37436.202471] [<ffffffff8147a8ec>]
vt_ioctl+0xf9c/0x11b0
Apr 12 22:37:34 kernel: [37436.202475] [<ffffffff8146e13d>]
tty_ioctl+0x26d/0xbb0
Apr 12 22:37:34 kernel: [37436.202478] [<ffffffff812116e8>] ?
fsnotify+0x228/0x2f0
Apr 12 22:37:34 kernel: [37436.202482] [<ffffffff811e7090>]
do_vfs_ioctl+0x2e0/0x4c0
Apr 12 22:37:34 kernel: [37436.202485] [<ffffffff811d67c1>] ?
__sb_end_write+0x31/0x60
Apr 12 22:37:34 kernel: [37436.202488] [<ffffffff811e72f1>]
SyS_ioctl+0x81/0xa0
Apr 12 22:37:34 kernel: [37436.202493] [<ffffffff8176ca6d>]
system_call_fastpath+0x1a/0x1f
Apr 12 22:37:34 kernel: [37436.202495] ---[ end trace ebc18d8b83ced03d ]---
Apr 12 22:37:34 kernel: [37436.202500] [drm:intel_pipe_set_base] *ERROR* pipe
is still busy with an old pageflip
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https://bugs.launchpad.net/bugs/1384342
Title:
kernel messages intel_crtc_wait_for_pending_flips correlate to compiz
hang
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