same here
Linux sugar 3.16.0-24-generic #32-Ubuntu SMP Tue Oct 28 13:07:32 UTC 2014
x86_64 x86_64 x86_64 GNU/Linux
Dec 9 23:37:03 sugar kernel: [ 2059.554998] ------------[ cut here
]------------
Dec 9 23:37:03 sugar kernel: [ 2059.555043] WARNING: CPU: 3 PID: 1494 at
/build/buildd/linux-3.16.0/drivers/gpu/drm/i915/intel_display.c:3324
intel_crtc_wait_for_pending_flips+0x16c/0x180 [i915]()
Dec 9 23:37:03 sugar kernel: [ 2059.555045] Modules linked in: md4 nls_utf8
cifs fscache ctr ccm bbswitch(OE) pci_stub vboxpci(OE) vboxnetadp(OE)
vboxnetflt(OE) vboxdrv(OE) rfcomm bnep binfmt_misc snd_hda_codec_h
dmi uvcvideo videobuf2_vmalloc videobuf2_memops hid_generic videobuf2_core
v4l2_common usbhid videodev hid media ath3k btusb bluetooth 6lowpan_iphc
acer_wmi sparse_keymap intel_rapl x86_pkg_temp_thermal intel_powe
rclamp coretemp kvm_intel kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel
arc4 aesni_intel aes_x86_64 lrw ath9k gf128mul glue_helper ablk_helper
ath9k_common cryptd ath9k_hw ath mac80211 joydev serio_raw rts
x_pci_ms memstick snd_hda_codec_realtek lpc_ich snd_hda_codec_generic cfg80211
i915 snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep drm_kms_helper
snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi snd_s
eq parport_pc wmi video snd_seq_device drm snd_timer ppdev snd mei_me
i2c_algo_bit lp parport intel_smartconnect soc_button_array mac_hid mei shpchp
soundcore rtsx_pci_sdmmc psmouse ahci libahci r8169 rtsx_pci mii
Dec 9 23:37:03 sugar kernel: [ 2059.555106] CPU: 3 PID: 1494 Comm: Xorg
Tainted: G IOE 3.16.0-24-generic #32-Ubuntu
Dec 9 23:37:03 sugar kernel: [ 2059.555108] Hardware name: Acer Aspire
V5-573G/Dazzle_HW, BIOS V2.25 11/28/2013
Dec 9 23:37:03 sugar kernel: [ 2059.555110] 0000000000000009 ffff880340a03c18
ffffffff8177fcbc 0000000000000000
Dec 9 23:37:03 sugar kernel: [ 2059.555113] ffff880340a03c50 ffffffff8106fd8d
0000000000000000 ffff88034c73b000
Dec 9 23:37:03 sugar kernel: [ 2059.555116] ffff88034ade8210 ffff88034ac49800
ffff88034ac49800 ffff880340a03c60
Dec 9 23:37:03 sugar kernel: [ 2059.555120] Call Trace:
Dec 9 23:37:03 sugar kernel: [ 2059.555128] [<ffffffff8177fcbc>]
dump_stack+0x45/0x56
Dec 9 23:37:03 sugar kernel: [ 2059.555134] [<ffffffff8106fd8d>]
warn_slowpath_common+0x7d/0xa0
Dec 9 23:37:03 sugar kernel: [ 2059.555138] [<ffffffff8106fe6a>]
warn_slowpath_null+0x1a/0x20
Dec 9 23:37:03 sugar kernel: [ 2059.555162] [<ffffffffc052fffc>]
intel_crtc_wait_for_pending_flips+0x16c/0x180 [i915]
Dec 9 23:37:03 sugar kernel: [ 2059.555169] [<ffffffff810b9590>] ?
prepare_to_wait_event+0x100/0x100
Dec 9 23:37:03 sugar kernel: [ 2059.555189] [<ffffffffc0532ac3>]
intel_crtc_disable_planes+0x33/0x1c0 [i915]
Dec 9 23:37:03 sugar kernel: [ 2059.555193] [<ffffffff81784e5b>] ?
__ww_mutex_lock+0x1b/0xb0
Dec 9 23:37:03 sugar kernel: [ 2059.555210] [<ffffffffc0533a17>]
haswell_crtc_disable+0x57/0x2e0 [i915]
Dec 9 23:37:03 sugar kernel: [ 2059.555213] [<ffffffff81785ab2>] ?
mutex_lock+0x12/0x30
Dec 9 23:37:03 sugar kernel: [ 2059.555230] [<ffffffffc0534457>]
intel_crtc_update_dpms+0x67/0xa0 [i915]
Dec 9 23:37:03 sugar kernel: [ 2059.555248] [<ffffffffc0538ac9>]
intel_connector_dpms+0x59/0x70 [i915]
Dec 9 23:37:03 sugar kernel: [ 2059.555266] [<ffffffffc0408e19>]
drm_mode_obj_set_property_ioctl+0x399/0x3a0 [drm]
Dec 9 23:37:03 sugar kernel: [ 2059.555281] [<ffffffffc0408e50>]
drm_mode_connector_property_set_ioctl+0x30/0x40 [drm]
Dec 9 23:37:03 sugar kernel: [ 2059.555291] [<ffffffffc03f7a4f>]
drm_ioctl+0x1df/0x680 [drm]
Dec 9 23:37:03 sugar kernel: [ 2059.555298] [<ffffffff81414d4c>] ?
backlight_generate_event+0x5c/0x80
Dec 9 23:37:03 sugar kernel: [ 2059.555300] [<ffffffff8141559e>] ?
brightness_store+0xce/0x100
Dec 9 23:37:03 sugar kernel: [ 2059.555305] [<ffffffff8121f9bc>] ?
fsnotify+0x27c/0x350
Dec 9 23:37:03 sugar kernel: [ 2059.555308] [<ffffffff811f4bc8>]
do_vfs_ioctl+0x2c8/0x4a0
Dec 9 23:37:03 sugar kernel: [ 2059.555311] [<ffffffff811e31a1>] ?
__sb_end_write+0x31/0x60
Dec 9 23:37:03 sugar kernel: [ 2059.555316] [<ffffffff811e0d12>] ?
vfs_write+0x1b2/0x1f0
Dec 9 23:37:03 sugar kernel: [ 2059.555318] [<ffffffff811f4e21>]
SyS_ioctl+0x81/0xa0
Dec 9 23:37:03 sugar kernel: [ 2059.555322] [<ffffffff81787ced>]
system_call_fastpath+0x1a/0x1f
Dec 9 23:37:03 sugar kernel: [ 2059.555324] ---[ end trace fa355f174d27385e
]---
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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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