This version is no longer supported. If this is still reproducible on a
newer/supported version, please reopen.
** Changed in: linux (Ubuntu)
Status: Incomplete => Won't Fix
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https://bugs.launchpad.net/bugs/575392
Title:
ksoftirqd high CPU on 10.04-LTS Server
Status in linux package in Ubuntu:
Won't Fix
Status in linux package in CentOS:
Fix Released
Bug description:
On an HP DL380G6 running a fresh install of 10.04 LTS Server 64-bit, I
observed ksoftirqd hitting the CPU (up to 100%). Fortunately it
limited itself to one core. I did not see this on 9.10 Server 64-bit
on the same hardware. I installed the mainline kernel from today
(2.6.34-999-generic) and the problem did correct itself.
WORKAROUND: 1. Edit /boot/config-{kernversion}-server (on mine right now this
is 2.6.31-22); comment out any line with IPMI in it.
2. Get rid of /lib/modules/2.6.31-22-server/kernel/drivers/char/ipmi/ipmi_*
(or whatever your kern version is). I moved these files to another location
just in case I needed them.
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