Re: vfs_bio KASSERT (again)

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

On Tue, Jun 24, 2008 at 08:47:31PM +0000, Michael van Elst wrote:
> bouyer%antioche.eu.org@localhost (Manuel Bouyer) writes:
> 
> >Sorry, I just noticed my patch is wrong. The BC_BUSY is cleared before
> >exiting from brelsel(). As the buffer lists are protected by
> >bufcache_lock this should be OK. 
> 
> Do you use vnd?

Yes. This dom0 has 2 domUs, whose virtual disks are backed by files in
ffs (so domUs get their data though xbdback -> vnd -> ffs file in dom0).
What could make things worse is that the vnd read/write are done from
interrupt context in the dom0 ...

-- 
Manuel Bouyer, LIP6, Universite Paris VI.           
Manuel.Bouyer%lip6.fr@localhost
     NetBSD: 26 ans d'experience feront toujours la difference
--