FreeBSD6.0-BETA1 panics
rick at snowhite.cis.uoguelph.ca
rick at snowhite.cis.uoguelph.ca
Tue Aug 2 15:27:13 GMT 2005
> I suspect the server is returning bogus data, perhaps because of the
> locking problems.
My server doesn't support the lockd/statd protocol, so v3 mounts won't
have any advisory locking support. Is that likely to be the cause of this?
(I don't know anything about the inner workings of cvs.)
> OK, I triggered another deadlock while running a simultaneous cvs
> checkout on the server (via ufs) and over nfs3 from a remote machine.
Ok, thanks for the info. I'll try and figure this one out.
(Given your original panic, I assume you're running a kernel with
DEBUG_LOCKS and DEBUG_VFS_LOCKS options? That would have caught the
obvious "forgot to unlock the vnode" type problems, which would suggest
a race between the local ufs syscall and newnfsd for vnode locking.
Could be a fun one to find:-)
Thanks for the debug info, rick
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