kernel page fault panic in yesterday's current ( nfs_nget ->
vfs_hash_insert -> bcmp )
Bjoern A. Zeeb
bzeeb-lists at lists.zabbadoz.net
Thu Mar 17 22:55:10 PST 2005
On Fri, 18 Mar 2005, Jonas wrote:
> On Thu, 17 Mar 2005 18:11:25 -0800 (PST)
> Don Lewis <truckman at FreeBSD.org> wrote:
> > I got this panic when running cvs to cvs update my /usr/ports tree in
> > preparation for updating to today's kernel, world, and ports.
> > I'm going to go ahead with the kernel and world update and see if the
> > problem is reproduceable afterwards.
> i also get a 'lock order reversal' but already at boot time.
> i'm using the bfe driver from the sources of Fri Mar 18 03:06:05 CET 2005
> lock order reversal
> 1st 0xc1dde8a0 rtentry (rtentry) @ /usr/src/sys/netinet/if_ether.c:445
> 2nd 0xc1be1364 bfe0 (network driver) @ /usr/src/sys/dev/bfe/if_bfe.c:1341
this is one is the same like with sk, bge, ... seen lately. As already
said - I had been told there is work in progress.
I'll add it to 'the LOR page' later today.
 see: http://www.freebsd.org/doc/faq/troubleshoot.html#LOCK-ORDER-REVERSAL
For debugging of the page fault you might want to setup serial console:
and save the output (minicom -C .., cu .. | tee -a ... | just paste).
Bjoern A. Zeeb bzeeb at Zabbadoz dot NeT
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