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[Bug 568019] rpc.statd sometimes crashes with general protection fault on NFS server
  • From: bugzilla_noreply@xxxxxxxxxx
  • Date: Wed, 24 Feb 2010 02:05:09 +0000
  • Message-id: <20100224020510.0648F24551B@xxxxxxxxxxxxxxxxxxxxxx>

Neil Brown <nfbrown@xxxxxxxxxx> changed:

What |Removed |Added

--- Comment #4 from Neil Brown <nfbrown@xxxxxxxxxx> 2010-02-24 02:05:08 UTC ---
I've looked harder.
Subtracting the start of glibc (e.g.7fb5c8642000) from the reported ip address
(e.g. 7fb5c873c088) I get 0xfa088 as an address in glibc.
Running gdb (With the debug info package installed) I find this is in
svc_getreq_common (in sunrpc/svc.c).
In particular, the appears that
xprt = xports[fd]

sets xprt to something that is not NULL, but is also not a valid

I think that to explore this any further we would need a 'core' dump
from statd when it crashes.
If you could edit "/usr/sbin/start-statd" and add the command
ulimit -c unlimited

so that if it happens again it will hopefully leave a core somewhere.

Then let's give it a couple of months. If nothing happens I close
this bug. If it does, maybe we can make progress.

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