Re: How to get a reply from lkml (cron in uninterruptible sleep)

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Hi, Mark

On Sat, 26 Aug 2006, Mark Hindley wrote:

I have a recurrent problem with recent kernels that leaves multiple
cron processes in uninteruptible sleep after I reboot. Typically they
stay there for 24 hours with the loadavg rising over 100. If the system
doesn't run out of memory and reboot, they eventually (>24hours) clear.

I have posted this to lkml (see post at http://marc.theaimsgroup.com/?l=linux-kernel&m=115624808121049&w=2).
However, I cannot get anyone interested.

Well, I guess, nobody replies because nobody can definitely identify it as a kernel problem. What you could, possibly, do is
1) look through your crontabs
2) save them
3) try to exclude them one by one until the problem disappears, thus you'll find the guilty one 4) try to identify the source of this cronjob - your custom, or from some packet, etc.
5) perhaps, try to perform those tasks per hand

In any case, it is not necessarily a kernel problem, at least from what you've posted. There's no Oops when this happens, right?. So, please, first try to investigate userspace, even more so since you are using the "testing" Debian.

Thanks
Guennadi
---------------------------------
Guennadi Liakhovetski, Ph.D.
DSA Daten- und Systemtechnik GmbH
Pascalstr. 28
D-52076 Aachen
Germany

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