Public bug reported:
after resuming from suspend unity/ compiz feels like it renders much less
frames per second. Moving windows around is very jerky as are the animations of
the sidebar.
While moving around a window the Xorg CPU utilization spikes to 48%, so its
eating up one of my 2 cores.
logging out and logging in again solves the problem. Switching to VTs
however does not.
furthermore I got this on my kernel log:
Nov 9 11:51:32 deepblue kernel: [39839.124572] ------------[ cut here
]------------
Nov 9 11:51:32 deepblue kernel: [39839.124580] WARNING: at
/build/buildd/linux-3.0.0/kernel/power/suspend_test.c:53
suspend_test_finish+0x89/0x90()
Nov 9 11:51:32 deepblue kernel: [39839.124582] Hardware name: 2007FVG
Nov 9 11:51:32 deepblue kernel: [39839.124584] Component: resume devices,
time: 10812
Nov 9 11:51:32 deepblue kernel: [39839.124587] Modules linked in: bnep rfcomm
parport_pc ppdev binfmt_misc joydev snd_hda_codec_analog pcmcia snd_hda_intel
snd_hda_codec snd_hwdep snd_pcm snd_seq_midi hdj_mod btusb arc4 bluetooth
snd_rawmidi snd_seq_midi_event ath9k yenta_socket psmouse pcmcia_rsrc serio_raw
pcmcia_core mac80211 ath9k_common snd_seq ath9k_hw thinkpad_acpi nvram nsc_ircc
irda ath radeon snd_timer snd_seq_device crc_ccitt tpm_tis cfg80211 video snd
ttm drm_kms_helper drm i2c_algo_bit soundcore snd_page_alloc lp parport usbhid
hid ahci libahci xhci_hcd e1000e btrfs zlib_deflate libcrc32c
Nov 9 11:51:32 deepblue kernel: [39839.124644] Pid: 20240, comm: pm-suspend
Not tainted 3.0.0-13-generic #22-Ubuntu
Nov 9 11:51:32 deepblue kernel: [39839.124646] Call Trace:
Nov 9 11:51:32 deepblue kernel: [39839.124652] [<c1047982>]
warn_slowpath_common+0x72/0xa0
Nov 9 11:51:32 deepblue kernel: [39839.124666] [<c1084af9>] ?
suspend_test_finish+0x89/0x90
Nov 9 11:51:32 deepblue kernel: [39839.124670] [<c1084af9>] ?
suspend_test_finish+0x89/0x90
Nov 9 11:51:32 deepblue kernel: [39839.124674] [<c1047a53>]
warn_slowpath_fmt+0x33/0x40
Nov 9 11:51:32 deepblue kernel: [39839.124678] [<c1084af9>]
suspend_test_finish+0x89/0x90
Nov 9 11:51:32 deepblue kernel: [39839.124681] [<c108483a>]
suspend_devices_and_enter+0xba/0x180
Nov 9 11:51:32 deepblue kernel: [39839.124685] [<c10849fe>]
enter_state+0xfe/0x130
Nov 9 11:51:32 deepblue kernel: [39839.124688] [<c1083f4a>]
state_store+0x8a/0xc0
Nov 9 11:51:32 deepblue kernel: [39839.124692] [<c1083ec0>] ?
pm_trace_dev_match_show+0x20/0x20
Nov 9 11:51:32 deepblue kernel: [39839.124697] [<c127eecb>]
kobj_attr_store+0x1b/0x30
Nov 9 11:51:32 deepblue kernel: [39839.124702] [<c1185656>]
sysfs_write_file+0xa6/0x100
Nov 9 11:51:32 deepblue kernel: [39839.124716] [<c112876f>]
vfs_write+0x8f/0x160
Nov 9 11:51:32 deepblue kernel: [39839.124719] [<c11855b0>] ?
sysfs_poll+0x80/0x80
Nov 9 11:51:32 deepblue kernel: [39839.124723] [<c1128a4d>]
sys_write+0x3d/0x70
Nov 9 11:51:32 deepblue kernel: [39839.124727] [<c152cc24>]
syscall_call+0x7/0xb
Nov 9 11:51:32 deepblue kernel: [39839.124730] ---[ end trace 307b324cec6bf296
]---
** Affects: xorg (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/887993
Title:
desktop sluggish after resume from suspend
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