Messages in this thread | | | Date | Fri, 28 May 2010 08:10:03 +0200 | From | Jiri Slaby <> | Subject | Re: udevd high cpu hogging in kernel-2.6.34 git8 to git-13 |
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Added lkml back to CC.
On 05/28/2010 08:06 AM, JD wrote: > But here goes: > I have seen this behaviour in all the git releases from git8 > to the current 2.6.34-git13 > > I have some of the analysis based on strace, and kernel stack > trace. > Instead of backing out the whole code for the new udevd, perhaps > it (udevd) should sleep for some time before polling the same fd > again.
So if you see in the strace output the poll to return immediately with out fd being an anon_inode (check /proc/pid_of_udev/fd/), it is the issue. AFAIK, it was not fixed upstream yet.
So could you try to revert a7cf4145b?
-- js
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