zfs: Fatal trap 12: page fault while in kernel mode

[Pawel Jakub Dawidek]

On Mon, Aug 03, 2009 at 10:32:26PM +0200, Juergen Unger wrote:
> Hi,
> 
> On Sun, Aug 02, 2009 at 11:30:16AM +0200, Pawel Jakub Dawidek wrote:
> [...]
> > > > Could you guys, who can reproduce it, try this patch:
> > > > 
> > > > 	http://people.freebsd.org/~pjd/patches/zfs_vnops.c.2.patch
> > > 
> > > I tried the patch, restarted the whole thing yesterday morning
> > > and after less then 24 hours and approximately 3215 zfs-receive
> > > jobs it do not crashes anymore, but the last started zfs-receive
> > > jobs is hanging, cannot be killed, even not with -9.  Even other
> > > zfs commands are hanging and cannot be killed, while zpool commands
> > > seems to be not affected.
> > > 
> > > root  86397  0.0  0.0  3920  1308  ??  D     3:18AM   0:00.29 zfs receive -Fv zzzz/203
> > > root   5001  0.0  0.0  3920  1208   0  D+   10:45AM   0:00.00 zfs list -t snapshot
> > > root   5477  0.0  0.0  3920  1240   3  D+   11:08AM   0:00.00 zfs list
> > > 
> > > also the sync command I tried to execute hangs forever:
> > > 
> > > root   5457  0.0  0.0  1528   492   2- D+   11:05AM   0:00.04 sync
> > > 
> > > Other parts of the system which do not have something todo with zfs
> > > are still working well.   I will leave the machine running in this
> > > state, is there something I can do to retrieve other usefull information
> > > for you?
> > 
> > If you can break into debugger and send me 'show alltrace' for starters.
> 
> hmm, maybe you did not get my last mail.
> I put the log of this on <http://www.jpru.de/private/testbox.log>

I did get it, sorry for the delay, I'm quite busy with other stuff. I
need to setup machine for HEAD testing, as my current test box is
running perforce version.

I'd also need 'show lock 0x87aac290' from this machine if its not too
late.

-- 
Pawel Jakub Dawidek                       http://www.wheel.pl
pjd at FreeBSD.org                           http://www.FreeBSD.org
FreeBSD committer                         Am I Evil? Yes, I Am!
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