[OpenAFS-devel] oops on AFS mount

[John A. Goebel]

++ 11/05/02 14:50 -0400 - <Derek Atkins>:
> Are you running a CACHE in ext3?  That is not supported.  Make
> sure your AFS cache is ext2.
 
 -derek
 
Yes, the /usr/vice/cache is EXT3. I move back to ext2 and repeat the
test.

Thanks.
John


> "John A. Goebel" <jgoebel@SLAC.Stanford.EDU> writes:
> 
> > Hello,
> > 
> > We have a problem that _seems_ to be AFS related, although the oops
> > points to an EXT3 function.  The problem happens both on openafs 1.2.3
> > and release canidate 2, 1.2.4, but not a local filesystem directory,
> > nor an NFS mount point. The crash also happens if the machine that the AFS
> > space resides is running Transarc AFS or OpenAFS under Linux.
> > 
> > The test method is to run bonnie++ on a directory in AFS space. 
> > 
> > After doing a write that is large (>= 1 gig) in AFS space, when bonnie 
> > calls an unlink to the created file, there is an oops, and the
> > system wedges. While doing a strace on the process I get this:
> > 
> > temp11 kernel: Assertion failure in journal_write_metadata_buffer() at
> > journal.c
> > :406: "buffer_jdirty(jh2bh(jh_in))"
> > 
> > The cache space is at most 60% used, the disk has plenty of space left, 
> > and the network to the server side is fine. There is a simple log file
> > attached to this mail.
> > 
> > There was a similar problem the reported on the LKML, at least at the
> > functional level <http://linux.msede.com/lvm_mlist/archive/2000/11/0145.html>.
> > 
> > Attached is the oops, a messy ksymoops of the oops, an strace
> > on the running process, and a snapshot of the filesystem state just
> > before the crash.
> > 
> > Thanks for any help you can give.
> > 
> > John
> > 
> > ##############################################
> > # John Goebel <jgoebel(at)slac.stanford.edu> #
> > # Stanford Linear Accelerator Center         #
> > # 2575 Sand Hill Road, Menlo Park, CA 94025  #
> > ############################################ #
> > 
> > 
> > 
> 
> -- 
>        Derek Atkins, SB '93 MIT EE, SM '95 MIT Media Laboratory
>        Member, MIT Student Information Processing Board  (SIPB)
>        URL: http://web.mit.edu/warlord/    PP-ASEL-IA     N1NWH
>        warlord@MIT.EDU                        PGP key available
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##############################################
# John Goebel <jgoebel(at)slac.stanford.edu> #
# Stanford Linear Accelerator Center         #
# 2575 Sand Hill Road, Menlo Park, CA 94025  #
############################################ #