Hi, thanks for the advices - logging the fd's, the problem happens exactly 
when this fd disappears:

/proc/5721/fd/3 -> anon_inode:[eventpoll]

No other changes in the fd list. The observation is based on two 
occurances only, since the problem was happening much less frequently in 
the last weeks. I was not able to google-out any related issue. Did the 
disappearing eventpoll anonymous inode give you some idea what could be 
happening ? The only straightforward "experiment" I have in mind is to try 
disable ANON_INODES in kernel (BTW: using latest stable 2.6.36.2), but I 
am affraid it will bring much more other problems.

Pavel


On Thu, 9 Dec 2010, Carsten Haitzler wrote:

> On Fri, 26 Nov 2010 09:59:19 +0100 (CET) Pavel Reznicek
> <[email protected]> said:
>
> look at /proc/PID/fd
> (PID being the pid of e). see what fd's you have - or not
> and how they change over time (ls -l will show you which fd's point where).
> write a script to log them often (every second?) and see if the log at the 
> time
> the problem shows up shows you anything interesting (what fd went away? what 
> fd
> appeared? etc.)
>
> i don't see this problem at all.
>
>> Hello,
>>
>>    I am regularly hitting a bug mentioned here:
>>
>> http://www.mail-archive.com/[email protected]/msg27014.html
>>
>> Using latest SVN revision 54923 compiled via easy_e17 script on debian
>> squeeze. The problem usually happens after few hours or running e17 or
>> when graphics used "extensively" (typically when playing film). However,
>> there is no concrete recipe how to reproduce it.
>>
>> Would you either have an idea, what could be going wrong or give me some
>> instruction, how to try to debug it ?
>>
>> Thanks,
>> Pavel
>>
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> -- 
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> The Rasterman (Carsten Haitzler)    [email protected]
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