*** This bug is a duplicate of bug 153195 ***
https://bugs.launchpad.net/bugs/153195
Marking as duplicate of Bug #153195
If anyone thinks this referral is errant then please re-mark as NEW.
Thanks.
** This bug has been marked a duplicate of bug 153195
ksoftirqd/0 always using about 30% cp
Hi Gareth,
I m sorry for my last post I had not set the nohz=off parameter while booting
correctly,
This time however I set it permanently it by editing the
/boot/grub/menu.lst file and decided to observe for a couple of days
before giving my feed back, and based on my observation over the past
t
I tried booting with the nohz=off setting and this is what I observed,
Initially after logging in, the CPU usage was perfectly normal,
However after a couple of hours, the laptop went into power saving mode due to
inactivity and then when I resumed it,
ksoftirqd was back in action taking 80-90%
Can you try booting with the following kernel boot option:
nohz=off
This disables the 'tickless' aspect of the tickless kernel (enabled by
default in Gutsy & perhaps other releases). ksoftirqd appears to be
getting bombarded by by requests (probably from not quite fully polished
hardware drivers)
Sorry for the late reply ,
Well this is a result of the uname -a command :-
"Linux stephen 2.6.22-14-generic #1 SMP Tue Feb 12 02:46:46 UTC 2008
x86_64 GNU/Linux"
And attached is the file generated by the lspci command.
** Attachment added: "Output of the lspci command on an HP Pavilion dv600
Can you post the result of:
uname -a
& also attach the file resulting from the following: lspci > lspci.txt
Thanks.
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ksoftirqd eats all cpu
https://bugs.launchpad.net/bugs/49141
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Sorry forgot to mention I am using Gutsy Gibbon.
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ksoftirqd eats all cpu
https://bugs.launchpad.net/bugs/49141
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I am currently on an HP Pavilion dv6000 (AMD Turion 64x2,1 GB RAM, Broadcom
Wireless) and have the same problem,
ksoftirqd is eating almost 50% of the CPU, sometimes it even hits 90-99% making
it almost unusable...
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ksoftirqd eats all cpu
https://bugs.launchpad.net/bugs/49141
You received thi
This bug has had no activity for a considerable period. This is a check
to see if there is still interest in investigating this bug report.
** Changed in: linux-source-2.6.15 (Ubuntu)
Status: New => Incomplete
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ksoftirqd eats all cpu
https://bugs.launchpad.net/bugs/49141
You received th
It happens on my laptop (IBM Thinkpad T43) too. Today I figured out,
that if I turn my wireless device on again (via Fn+F5) the cpu usage
drops down. After that I can turn if off without having the problems
again. Strange.
--
ksoftirqd eats all cpu
https://launchpad.net/bugs/49141
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ubuntu-bug
Note there are lots of complaints about ksoftirqd getting into such states:
http://lists.debian.org/debian-user/2003/04/msg00087.html
http://lists.xensource.com/archives/html/xen-devel/2006-04/msg00489.html
http://www.linuxquestions.org/questions/showthread.php?t=388745
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ksoftirqd eats all cpu
I see this effect when I turn my wireless radio off.
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ksoftirqd eats all cpu
https://launchpad.net/bugs/49141
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