Regular bge watchdog timeouts on 7.0-PRERELEASE
sgk at troutmask.apl.washington.edu
Fri Jan 18 13:13:24 PST 2008
On Fri, Jan 18, 2008 at 07:57:04PM +0100, Andre Oppermann wrote:
> Steve Kargl wrote:
> >On Thu, Jan 10, 2008 at 12:00:37PM +0000, Tom Evans wrote:
> >>I am encountering regular watchdog timeouts on bge:
> >>Jan 9 08:36:11 zoot kernel: bge0: watchdog timeout -- resetting
> >>Jan 9 08:36:11 zoot kernel: bge0: link state changed to DOWN
> >>Jan 9 08:36:13 zoot kernel: bge0: link state changed to UP
> >Add the following to /etc/sysctl.conf
> In 7.0 these are automatically tuning and can be left at the default
I started using the above before automatic tuning was available,
and I haven't revisited whether these are still needed. "If it
works, why fix it?" motto.
> You should not disable path MTU discovery. It'll most likely break the
> internet for you when you encounter for example PPPoE links.
This is on a intranet. A small cluster used for MPI computations.
I won't run into PPPoE issues, but it's good to know that problems
> These changes do not really have much influence on the bge problem
> (at least theoretically).
The first 3 are needed to make NFS happy on my cluster. The shm
change is needed for MPICH2's nemesis device. I don't remember
why I set rexmit_min. See motto above.
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