Re: PROBLEM: 2.6.3 hangs when writing to scsi-dvd

[Jens Axboe <axboe@suse.de>]

On Mon, Feb 23 2004, Frank Pieczynski wrote:
> On Monday 23 February 2004 15:25, Jens Axboe wrote:
> > > > > I hope someone sees no where the real problem is.
> > > >
> > > > SCSI io completion path (sr/sd/st rw_intr() -> scsi_io_completion() ->
> > > > scsi_end_request()) doesn't properly handle non-sector aligned data
> > > > transfers. This patch should fix it up. Warning: untested.
> > >
> > > Now it is slightly tested: it works with my SCSI tape test program. Since
> > > the program only does an inquiry, I tried it with the SCSI system disk
> > > without problems. Unfortunately, I don't have access to a SCSI CDROM now.
> >
> > Great, that's promising (code like this tends to either break at first
> > access, or work :-). Thanks for testing.
> 
> Hello all,
> yes, this fix works! I can open k3b now without problems.
> And yes, my other SCSI devices are still working, also my SATA disks using 
> libata.
> Thank you ver much,

Andrew, care to shake it down in -mm for a release? IMO it's clearly the
way to go (changing io completion to be byte based instead of sectors),
and the patch looks ok to me (well obviously :-)

-- 
Jens Axboe