Apparent NFS related crashs on PowerEdge 2900 running SLES 10

Peter Serwe peter at
Mon Apr 9 17:46:43 CDT 2007

I've only seen a crash on an NFS server once.  In my particular case, I 
have no real diagnostics to
show for it, just that it was a CentOS 4.4 x86_64 server, on a PowerEdge 
2900, and I got an actual
kernel panic, requiring a reboot.  I found nothing in the logs related 
to it.


Stephan Jansen wrote:
> Hi,
> We have started seeing what I think are NFS related crashes on a 
> PowerEdge 2900.
> The machine ran fine during testing for about a month and a half and 
> the first
> week of production.  After about a week it crashed a few times, then 
> ran fine
> again for about three weeks.  Now it's crashing frequently.  It seems 
> to be NFS
> related,  I'm fairly sure I triggered the crash on two or three 
> occasions by
> installing a large number of RPMs from a directory NFS mounted from 
> the server.
> It never logs anything to syslog, it locks up hard and does not 
> respond to ping
> or the keyboard.  The only "fix" is to cycle power.  The only log is 
> in the
> ESM log.  Here's what it says:
> -> omreport system esmlog
> Embedded System Management (ESM) Log
> Health : Ok
> Embedded System Management Log contains...
> Severity      : Critical
> Date and Time : Fri Apr  6 16:59:39 2007
> Description   : System Software event: run-time critical stop was 
> asserted
> I've talked at length with Dell tech support but the only thing that has
> been resolved so far is that it does not seem to be a hardware issue.
> Has anyone else seen this problem?   Any fixes or workarounds?
> Here's more information on the server:
> OS:        SLES 10 x86_64 with all available updates installed
> Kernel:
> FS type:   xfs
> Hardware:  2 x 2.33 GHz Xeon 5140 PowerEdge 2900
> RAM        4 GB
> -- 
> ----- Stephan
> ------------------------------------------------------------------------
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Peter Serwe <peter at infostreet dot com>

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