Kernel panic with fresh current, probably nfs related
Joel Dahl
joel at vnode.se
Mon Aug 24 12:40:17 UTC 2015
On Sat, Aug 22, 2015 at 08:57:40AM -0400, Rick Macklem wrote:
> Joel Dahl wrote:
> > Hi,
> >
> > I hit a kernel panic running a fresh -CURRENT today. This machine is my home
> > NFS
> > server and it exports src and obj to a bunch of other machines. During an
> > installkernel on one of the other machines (using the src and obj exports
> > from
> > the NFS server) the NFS server kernel paniced.
> >
> > I took a quick photo of the stack backtrace, since I didn't have time to
> > investigate further (but I haven't rebooted the machine yet, it's still
> > sitting at the db> prompt:
> >
> > http://mirror.vnode.se/upload/panic001-20150822.JPG
> >
> > Any ideas?
> >
> I'm going to guess that you're using an "em" net driver, since that is the
> only one that sets if_hw_tsomax > IP_MAXPACKET (65535) from what I can see.
Correct, this machine is using em.
I'll wait for sbruno to reply before rebooting the machine, in case anyone
wants me to try anything in the debugger.
--
Joel
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