Re: vfs_bio panic

[mlelstv%serpens.de@localhost (Michael van Elst)]

prlw1%cam.ac.uk@localhost (Patrick Welche) writes:

>On Tue, Jun 17, 2008 at 03:01:16PM +0000, Michael van Elst wrote:
>> martin%NetBSD.org@localhost (Martin Husemann) writes:
>> 
>> >> assertion is "!cv_has_waiters(&bp->b_done)" failed in vfs_bio.c:950
>> >> stopped in pid 0.46(system) == raid0
>> 
>> >I see this too.
>> 
>> Apparently that assertion is bogus.
>> 
>> bdirty() is called from within biodone() processing before the
>> waiters have been woken up.
>> 
>> N.B. bdirty() is used by softdep and smbfs.

>and now that that assertion has gone, I see the same one that Sarton and
>Christoph see in vfs_subr2.c..

Yes. That assertion is also wrong because reassignbuf() can be called
from within bdirty().

-- 
-- 
                                Michael van Elst
Internet: mlelstv%serpens.de@localhost
                                "A potential Snark may lurk in every tree."