panic "Sleeping thread owns a non-sleepable lock" via cv_timedwait_signal, was "rsync over NFS"

[Rick Macklem]

Norbert Aschendorff wrote:
> Another logs - even with a /var/crash crash report :)
> 
> Please note: The /var/crash files stem from another crash than the big
> syslog does!
> 
> The syslog file inside the tarball is about 4.7 MB; it contains
> everything since the start of the crash.
> 
> New /var/crash files:
> http://lbo.spheniscida.de/Files/nfs-rsync-crash-witnessII.tgz
> New syslog file:
> http://lbo.spheniscida.de/Files/nfs-rsync-crash-witnessIII-only-messages.tgz
> 
> (Both < 100 KB)
> 
> The used kernel is called GENERIC-OWN-WITNESS and has all three
> WITNESS
> options enabled and nothing else.
> 
I'll take a look at these later to-day.

> But I just get an idea: Should I try it without Rick's NFSv4
> numeric-uid-gid patch? Or is that completely unrelated?
> @Rick: Can you assure that it is impossible that the patch added this
> bug?
Doesn't seem likely, but I'd never guarantee that a patch isn't broken
and/or can never have weird side effects. So, it might be worth trying
backing the patch out and seeing if it still crashes.

Thanks for doing this testing, rick


> 
> --norbert
> _______________________________________________
> freebsd-stable at freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-stable
> To unsubscribe, send any mail to
> "freebsd-stable-unsubscribe at freebsd.org"