:
List of CAPTURE Hardware Devices
card 0: Intel [HDA Intel], device 0: CONEXANT Analog [CONEXANT Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USERPID ACCESS COMMAND
/dev/snd/controlC0: wiggy 1479 F pulseaudio
CRDA: Error: [Errno 2
I forgot to mention when this occurred in 10.10 process was kslowd, not
kworker. It happened on all kernel versions post 2.6.34.
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https://bugs.launchpad.net/bugs/779753
Title:
T400
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Title:
T400 laptop. Freezes or mouse stutters. Kworker process using too much
CPU.
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11.04 is completely unusable on the T400. I have now reverted back to
10.10 with 2.6.34-02063407-generic kernel. Any newer kernel has the
freezing/stuttering problem with kslowd or kworker.
I happy to run any tests needed to try and diagnose this fault.
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My issue is explained here.
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/779753
Updating the kernel to 2.6.39rc4 has not resolved the issue. If anything
it has made it worse, last time It froze I needed to reboot.
For testing I have 11.04 installed on a new partition with not addition
Jeffrey,
I see the exact same symptoms as yourself. With 2.6.39rc4 a few times it
froze completely, I waited about 3 minutes and then rebooted.
I'm unable to use Natty, it's too frustrating, I now have Maverick and
Natty installed on separate partitions, as stated earlier 2.6.34 is the
latest
Here is my perf data taken during high kworker CPU.
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https://bugs.launchpad.net/bugs/779753
Title:
T400 laptop. Freezes or mouse stutters. Kworker process using too much
CPU.
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File did not attach to my last post.
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Title:
T400 laptop. Freezes or mouse stutters. Kworker process using too much
CPU.
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OK, third time lucky, I've given myself rights to read the file this
time ;)
** Attachment added: perf.data
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/779753/+attachment/2151444/+files/perf.data
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