Public bug reported:
sometimes when I boot my wireless connection isn't working. I try to
open an Terminal but my zsh isn't responding. Even if I try to change to
tty1 I can't do anything. I can still open gnome-system-monitor, but I
can't kill any "hanging" application. "WAITING CHANNEL:
work_flush_queue" I can't even restart or shutdown! In kern.log and
syslog I found this:
Dec 6 12:57:21 raybuntu-laptop kernel: [ 240.652044] INFO: task events/1:10
blocked for more than 120 seconds.
Dec 6 12:57:21 raybuntu-laptop kernel: [ 240.652050] "echo 0 >
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
Dec 6 12:57:21 raybuntu-laptop kernel: [ 240.652053] events/1 D c08145c0
0 10 2 0x00000000
Dec 6 12:57:21 raybuntu-laptop kernel: [ 240.652059] f7089d7c 00000046
f7089d40 c08145c0 f7080298 c08145c0 523a1182 0000000f
Dec 6 12:57:21 raybuntu-laptop kernel: [ 240.652067] c08145c0 c08145c0
f7080298 c08145c0 5239d5fd 0000000f c08145c0 f2cc1a40
Dec 6 12:57:21 raybuntu-laptop kernel: [ 240.652075] f7080000 7fffffff
f25818c0 f7080000 f7089dd8 c056f715 c0346fd6 00000000
Dec 6 12:57:21 raybuntu-laptop kernel: [ 240.652082] Call Trace:
Dec 6 12:57:21 raybuntu-laptop kernel: [ 240.652091] [<c056f715>]
schedule_timeout+0x185/0x200
Dec 6 12:57:21 raybuntu-laptop kernel: [ 240.652097] [<c0346fd6>] ?
acpi_os_release_object+0x8/0xc
Dec 6 12:57:21 raybuntu-laptop kernel: [ 240.652103] [<c035cc11>] ?
acpi_ns_search_one_scope+0x15/0x3a
Dec 6 12:57:21 raybuntu-laptop kernel: [ 240.652107] [<c035ccc5>] ?
acpi_ns_search_and_enter+0x8f/0x142
Dec 6 12:57:21 raybuntu-laptop kernel: [ 240.652113] [<c05704b7>]
__down_timeout+0x57/0x90
Dec 6 12:57:21 raybuntu-laptop kernel: [ 240.652117] [<c0570e1a>] ?
_spin_lock_irqsave+0x2a/0x40
Dec 6 12:57:21 raybuntu-laptop kernel: [ 240.652121] [<c0160e2e>]
down_timeout+0x4e/0x60
Dec 6 12:57:21 raybuntu-laptop kernel: [ 240.652125] [<c034708a>]
acpi_os_wait_semaphore+0x3b/0x48
Dec 6 12:57:21 raybuntu-laptop kernel: [ 240.652129] [<c03593e0>]
acpi_ex_system_wait_mutex+0x35/0x45
Dec 6 12:57:21 raybuntu-laptop kernel: [ 240.652134] [<c0351572>]
acpi_ds_begin_method_execution+0xc9/0x145
Dec 6 12:57:21 raybuntu-laptop kernel: [ 240.652139] [<c0360e5c>]
acpi_ps_execute_method+0x28/0x24c
Dec 6 12:57:21 raybuntu-laptop kernel: [ 240.652144] [<c035d696>]
acpi_ns_evaluate+0xc6/0x178
Dec 6 12:57:21 raybuntu-laptop kernel: [ 240.652148] [<c035d1de>]
acpi_evaluate_object+0xd1/0x1c0
Dec 6 12:57:21 raybuntu-laptop kernel: [ 240.652154] [<c0481a23>]
wmi_evaluate_method+0xe3/0xf0
Dec 6 12:57:21 raybuntu-laptop kernel: [ 240.652166] [<f83b2156>]
WMI_execute_u32+0x46/0x80 [acer_wmi]
Dec 6 12:57:21 raybuntu-laptop kernel: [ 240.652172] [<f83b2587>]
get_u32+0x87/0xe0 [acer_wmi]
Dec 6 12:57:21 raybuntu-laptop kernel: [ 240.652178] [<f83b2716>]
acer_rfkill_update+0x16/0x90 [acer_wmi]
Dec 6 12:57:21 raybuntu-laptop kernel: [ 240.652183] [<c0570e43>] ?
_spin_lock_irq+0x13/0x20
Dec 6 12:57:21 raybuntu-laptop kernel: [ 240.652189] [<c0157a7e>]
run_workqueue+0x6e/0x140
Dec 6 12:57:21 raybuntu-laptop kernel: [ 240.652195] [<f83b2700>] ?
acer_rfkill_update+0x0/0x90 [acer_wmi]
Dec 6 12:57:21 raybuntu-laptop kernel: [ 240.652199] [<c0157bd8>]
worker_thread+0x88/0xe0
Dec 6 12:57:21 raybuntu-laptop kernel: [ 240.652204] [<c015c280>] ?
autoremove_wake_function+0x0/0x40
Dec 6 12:57:21 raybuntu-laptop kernel: [ 240.652208] [<c0157b50>] ?
worker_thread+0x0/0xe0
Dec 6 12:57:21 raybuntu-laptop kernel: [ 240.652212] [<c015bf8c>]
kthread+0x7c/0x90
Dec 6 12:57:21 raybuntu-laptop kernel: [ 240.652216] [<c015bf10>] ?
kthread+0x0/0x90
Dec 6 12:57:21 raybuntu-laptop kernel: [ 240.652221] [<c0104007>]
kernel_thread_helper+0x7/0x10
Dec 6 12:59:21 raybuntu-laptop kernel: [ 360.652367] INFO: task events/1:10
blocked for more than 120 seconds.
Dec 6 12:59:21 raybuntu-laptop kernel: [ 360.652378] "echo 0 >
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
...
So I thing this is a kernel problem. Can somebody tell me how to fix
this?
ProblemType: Bug
AplayDevices:
**** List of PLAYBACK Hardware Devices ****
card 0: NVidia [HDA NVidia], device 0: ALC268 Analog [ALC268 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
Architecture: i386
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: NVidia [HDA NVidia], device 0: ALC268 Analog [ALC268 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: ray 2323 F.... pulseaudio
Card0.Amixer.info:
Card hw:0 'NVidia'/'HDA NVidia at 0xd0880000 irq 21'
Mixer name : 'Realtek ALC268'
Components : 'HDA:10ec0268,10250126,00100003
HDA:14f12c06,10250126,00100000'
Controls : 11
Simple ctrls : 8
Date: Sun Dec 6 13:34:10 2009
DistroRelease: Ubuntu 9.10
HibernationDevice: RESUME=UUID=fa680ef4-3822-496f-8c47-5da709ea4872
InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release i386 (20091028.5)
Lsusb:
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: Acer Aspire 5520
NonfreeKernelModules: nvidia
Package: linux-image-2.6.31-16-generic 2.6.31-16.52
ProcCmdLine: BOOT_IMAGE=/vmlinuz-2.6.31-16-generic root=/dev/mapper/ubuntu-root
ro quiet splash
ProcEnviron:
LANG=de_DE.UTF-8
SHELL=/bin/zsh
ProcVersionSignature: Ubuntu 2.6.31-16.52-generic
RelatedPackageVersions:
linux-backports-modules-2.6.31-16-generic N/A
linux-firmware 1.25
SourcePackage: linux
Uname: Linux 2.6.31-16-generic i686
XsessionErrors:
(gnome-settings-daemon:2369): GLib-CRITICAL **: g_propagate_error: assertion
`src != NULL' failed
(gnome-settings-daemon:2369): GLib-CRITICAL **: g_propagate_error: assertion
`src != NULL' failed
(polkit-gnome-authentication-agent-1:2424): GLib-CRITICAL **:
g_once_init_leave: assertion `initialization_value != 0' failed
(nautilus:2408): Eel-CRITICAL **: eel_preferences_get_boolean: assertion
`preferences_is_initialized ()' failed
(gnome-panel:2405): Gtk-WARNING **: gtk_widget_size_allocate(): attempt to
allocate widget with width -9 and height 24
dmi.bios.date: 12/31/2007
dmi.bios.vendor: Acer
dmi.bios.version: V1.30
dmi.board.name: Fuquene
dmi.board.vendor: Acer
dmi.board.version: N/A
dmi.chassis.type: 10
dmi.chassis.vendor: Acer
dmi.chassis.version: N/A
dmi.modalias:
dmi:bvnAcer:bvrV1.30:bd12/31/2007:svnAcer:pnAspire5520:pvrV1.30:rvnAcer:rnFuquene:rvrN/A:cvnAcer:ct10:cvrN/A:
dmi.product.name: Aspire 5520
dmi.product.version: V1.30
dmi.sys.vendor: Acer
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug i386
--
Kernel locks my Shell, Evolution, nm...
https://bugs.launchpad.net/bugs/493141
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