Also facing this exact same issue, with vbox.
- Karmic/x86_64
- Dual-core Xeon 2.8 GHZ (in case it matters, for SMP locks...)
- virtualbox-3.1 (3.1.0-55467_Ubuntu_karmic)
- linux-image-2.6.31-16-generic (2.6.31-16.52)
- pulseaudio (1:0.9.19-0ubuntu4)
I get tons of the below:
[,,,]
Dec 9 11:35:41 tonarra pulseaudio[2143]: asyncq.c: q overrun, queuing locally
Dec 9 11:35:46 tonarra pulseaudio[2143]: ratelimit.c: 78084 events suppressed
Dec 9 11:35:51 tonarra pulseaudio[2143]: ratelimit.c: 156553 events suppressed
Dec 9 11:35:51 tonarra pulseaudio[2143]: asyncq.c: q overrun, queuing locally
Dec 9 11:35:51 tonarra pulseaudio[2143]: asyncq.c: q overrun, queuing locally
Dec 9 11:35:51 tonarra pulseaudio[2143]: asyncq.c: q overrun, queuing locally
Dec 9 11:35:51 tonarra pulseaudio[2143]: asyncq.c: q overrun, queuing locally
[...]
The pulseaudio process was taking 115% CPU (more than one core). Kill
-15 did not stop it. Kill -9 produced the following OOPS (not sure it is
related).
Dec 9 11:36:35 tonarra kernel: [88441.160129] wpa_supplican D 00000000ffffffff
0 1175 1 0x00000000
Dec 9 11:36:35 tonarra kernel: [88441.160140] ffff88019ae15a38
0000000000000082 ffff88019ae159b8 0000000000015880
Dec 9 11:36:35 tonarra kernel: [88441.160151] ffff8801b0cf1a60
0000000000015880 0000000000015880 0000000000015880
Dec 9 11:36:35 tonarra kernel: [88441.160160] 0000000000015880
ffff8801b0cf1a60 0000000000015880 0000000000015880
Dec 9 11:36:35 tonarra kernel: [88441.160170] Call Trace:
Dec 9 11:36:35 tonarra kernel: [88441.160189] [<ffffffff815286b7>]
__mutex_lock_slowpath+0xd7/0x160
Dec 9 11:36:35 tonarra kernel: [88441.160200] [<ffffffff8142a241>] ?
sock_alloc_send_pskb+0x1c1/0x310
Dec 9 11:36:35 tonarra kernel: [88441.160208] [<ffffffff815285b6>]
mutex_lock+0x26/0x50
Dec 9 11:36:35 tonarra kernel: [88441.160250] [<ffffffffa0b4ecc5>]
iwl_mac_config+0x35/0x2a0 [iwlcore]
Dec 9 11:36:35 tonarra kernel: [88441.160261] [<ffffffff81045d09>] ?
__wake_up_common+0x59/0x90
Dec 9 11:36:35 tonarra kernel: [88441.160293] [<ffffffffa00f6af5>]
ieee80211_hw_config+0x85/0xd0 [mac80211]
Dec 9 11:36:35 tonarra kernel: [88441.160323] [<ffffffffa0103199>]
ieee80211_recalc_idle+0x49/0x60 [mac80211]
Dec 9 11:36:35 tonarra kernel: [88441.160351] [<ffffffffa00fb80d>]
__ieee80211_start_scan+0xad/0x230 [mac80211]
Dec 9 11:36:35 tonarra kernel: [88441.160379] [<ffffffffa00fba85>]
ieee80211_request_scan+0x35/0x60 [mac80211]
Dec 9 11:36:35 tonarra kernel: [88441.160408] [<ffffffffa01072b0>]
ieee80211_scan+0x60/0x70 [mac80211]
Dec 9 11:36:35 tonarra kernel: [88441.160436] [<ffffffffa00c94db>]
cfg80211_wext_siwscan+0x18b/0x210 [cfg80211]
Dec 9 11:36:35 tonarra kernel: [88441.160446] [<ffffffff8150a89c>]
ioctl_standard_iw_point+0x1bc/0x370
Dec 9 11:36:35 tonarra kernel: [88441.160468] [<ffffffffa00c9350>] ?
cfg80211_wext_siwscan+0x0/0x210 [cfg80211]
Dec 9 11:36:35 tonarra kernel: [88441.160477] [<ffffffff8150aa50>] ?
ioctl_standard_call+0x0/0xd0
Dec 9 11:36:35 tonarra kernel: [88441.160485] [<ffffffff81509ac0>] ?
ioctl_private_call+0x0/0xa0
Dec 9 11:36:35 tonarra kernel: [88441.160492] [<ffffffff8150ab01>]
ioctl_standard_call+0xb1/0xd0
Dec 9 11:36:35 tonarra kernel: [88441.160501] [<ffffffff81438f40>] ?
__dev_get_by_name+0xa0/0xc0
Dec 9 11:36:35 tonarra kernel: [88441.160509] [<ffffffff8150aa50>] ?
ioctl_standard_call+0x0/0xd0
Dec 9 11:36:35 tonarra kernel: [88441.160517] [<ffffffff81509c49>]
wireless_process_ioctl+0xd9/0x160
Dec 9 11:36:35 tonarra kernel: [88441.160524] [<ffffffff8150aa50>] ?
ioctl_standard_call+0x0/0xd0
Dec 9 11:36:35 tonarra kernel: [88441.160532] [<ffffffff81509d3c>]
wext_ioctl_dispatch+0x6c/0xb0
Dec 9 11:36:35 tonarra kernel: [88441.160539] [<ffffffff81509ac0>] ?
ioctl_private_call+0x0/0xa0
Dec 9 11:36:35 tonarra kernel: [88441.160547] [<ffffffff81509eb1>]
wext_handle_ioctl+0x41/0x90
Dec 9 11:36:35 tonarra kernel: [88441.160555] [<ffffffff81439fde>]
dev_ioctl+0x27e/0x290
Dec 9 11:36:35 tonarra kernel: [88441.160563] [<ffffffff81427155>]
sock_ioctl+0x95/0x280
Dec 9 11:36:35 tonarra kernel: [88441.160572] [<ffffffff8112e36d>]
vfs_ioctl+0x1d/0xa0
Dec 9 11:36:35 tonarra kernel: [88441.160579] [<ffffffff8112e999>]
do_vfs_ioctl+0x79/0x370
Dec 9 11:36:35 tonarra kernel: [88441.160586] [<ffffffff8112ed11>]
sys_ioctl+0x81/0xa0
Dec 9 11:36:35 tonarra kernel: [88441.160596] [<ffffffff81012002>]
system_call_fastpath+0x16/0x1b
Dec 9 11:36:35 tonarra kernel: [88441.160646] firefox D 00000000ffffffff
0 7323 1 0x00000000
Dec 9 11:36:35 tonarra kernel: [88441.160656] ffff880183545ae8
0000000000000082 0000000000000000 0000000000015880
Dec 9 11:36:35 tonarra kernel: [88441.160666] ffff8801669183b0
0000000000015880 0000000000015880 0000000000015880
Dec 9 11:36:35 tonarra kernel: [88441.160675] 0000000000015880
ffff8801669183b0 0000000000015880 0000000000015880
Dec 9 11:36:35 tonarra kernel: [88441.160684] Call Trace:
Dec 9 11:36:35 tonarra kernel: [88441.160693] [<ffffffff815286b7>]
__mutex_lock_slowpath+0xd7/0x160
Dec 9 11:36:35 tonarra kernel: [88441.160701] [<ffffffff815285b6>]
mutex_lock+0x26/0x50
Dec 9 11:36:35 tonarra kernel: [88441.160710] [<ffffffff81443f80>]
rtnl_lock+0x10/0x20
Dec 9 11:36:35 tonarra kernel: [88441.160717] [<ffffffff81443fa1>]
rtnetlink_rcv+0x11/0x30
Dec 9 11:36:35 tonarra kernel: [88441.160725] [<ffffffff81459855>]
netlink_unicast+0x2c5/0x2e0
Dec 9 11:36:35 tonarra kernel: [88441.160732] [<ffffffff8145ab50>]
netlink_sendmsg+0x220/0x300
Dec 9 11:36:35 tonarra kernel: [88441.160741] [<ffffffff81426ea6>]
sock_sendmsg+0x106/0x130
Dec 9 11:36:35 tonarra kernel: [88441.160750] [<ffffffff81529a59>] ?
_spin_lock+0x9/0x10
Dec 9 11:36:35 tonarra kernel: [88441.160760] [<ffffffff81078b30>] ?
autoremove_wake_function+0x0/0x40
Dec 9 11:36:35 tonarra kernel: [88441.160770] [<ffffffff81036419>] ?
default_spin_lock_flags+0x9/0x10
Dec 9 11:36:35 tonarra kernel: [88441.160780] [<ffffffff8104a87e>] ?
__wake_up+0x4e/0x70
Dec 9 11:36:35 tonarra kernel: [88441.160790] [<ffffffff8145803e>] ?
netlink_table_ungrab+0x2e/0x30
Dec 9 11:36:35 tonarra kernel: [88441.160797] [<ffffffff8145a6b9>] ?
netlink_insert+0x89/0x150
Dec 9 11:36:35 tonarra kernel: [88441.160805] [<ffffffff814274f0>]
sys_sendto+0x120/0x180
Dec 9 11:36:35 tonarra kernel: [88441.160813] [<ffffffff81425f67>] ?
sock_map_fd+0x47/0x70
Dec 9 11:36:35 tonarra kernel: [88441.160822] [<ffffffff81012002>]
system_call_fastpath+0x16/0x1b
--
asyncq.c: q overrun, queuing locally
https://bugs.launchpad.net/bugs/354220
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