Re: panic: biodone2 already

[Juergen Hannken-Illjes <hannken%eis.cs.tu-bs.de@localhost>]

On Thu, Sep 18, 2008 at 04:23:37PM +0200, Juergen Hannken-Illjes wrote:
> On Thu, Sep 18, 2008 at 04:15:15PM +0200, Thomas Klausner wrote:
> > On Sun, Sep 14, 2008 at 12:51:15PM +0200, Juergen Hannken-Illjes wrote:
> > > Ok, so there is no UDF involved and a plain vanilla kernel hangs writing
> > > a DVD.
> > 
> > Ah, that explains the two hangs I had writing a DVD on Sunday.
> > Further problem was that the machine wouldn't boot after the second
> > hang, because wd0's block 0 seems to have died.
> 
> Lars is seeing "biodone2 already" panics writing a DVD with growisofs.
> Not sure if yours is the same problem.

Step back -- it may explain your hangs.  Problem was memory corruption 
when running scsi commands with data from userland.  All CD/DVD writing
software does it.

Please try a kernel with sys/kern/kern_physio.c >= 1.88

-- 
Juergen Hannken-Illjes - hannken%eis.cs.tu-bs.de@localhost - TU Braunschweig 
(Germany)