Thomas Kress wrote:
> Hello All,
> 
> at RWTH Aachen, Germany, we are experiencing frequent kernel
> freezings of our (a bit older) data servers when using (SL5,) the xfs
> file system and NFS4 with i386 data server architectures. No problems
> with 64 bit servers.

You are aware that xfs is not really supported on 32 bit systems?

> 
> From the /var/log messages we think that the problem is due to a
> smaller stack size for the i386 kernel as described here: 
> http://www.mythtv.org/pipermail/mythtv-users/2005-May/089314.html
> 
> Any chance that for future SL kernel upgrades 8k instead of 4k stack
> size is used also for the 32 bit architecture (kernel parameter
> CONFIG_4KSTACKS=n)

Epsilon, I would say.

> or any idea how to cure the problem ?

Go to 64 bit.

> In our
> opinion ext3 is not a very good choice for big data servers in case
> of fs crashes.

Why insist on a 32 bit system for 'a big data server'???

Matthias

> 
> I found this issue discussed already in Jan 2006 on this list but I
> wonder whether there was any progress during the last four years.
> 
> Thanks & cheers, Thomas.
> 
> -- Mit besten Gruessen/With kind regards,
> 
> Thomas Kress, RWTH Aachen, III. Physikalisches Institut, Lehrstuhl B 
> Office Aachen:  28A 206, Phone: +49 241 80 27281, Fax: ... 22244 
> Office CERN: B40 4-A16, Phone: +41 22 76 71682,   Fax: ... 78940 
> Email:
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> ; [log in to unmask]<mailto:[log in to unmask]> Signed with a
> certificate issued by GridKa-CA (GermanGrid)
> 
> 
> 
>