Bug#490903: linux-image-2.6.25-2-686: It's the scanner that confuses the kernel

[maximilian attems <max@stro.at>]

On Thu, Jul 31, 2008 at 02:27:10AM -0400, Daniel Dickinson wrote:
> On Wed, 16 Jul 2008 10:57:44 +0200
> maximilian attems <max@stro.at> wrote:
> 
> > On Tue, 15 Jul 2008, Daniel Dickinson wrote:
> > 
> > > Package: linux-image-2.6.25-2-686
> > > Version: 2.6.25-6
> > > Followup-For: Bug #490903
> > > 
> > > 
> > > I just did a boot with the SCSI-2 scanner disconnected and 2.6.25-2
> > > boots sucessfully in that configuration with the megaraid.  I
> > > suspect it is the SCSI-2 scanner as a non-RAID device on channel 2
> > > that is confusing the megaraid_mbox driver.  It worked with
> > > 2.6.24-1 though, so it is still a regression, just not as serious
> > > since it means I can't use my scanner, but can use my tape drive
> > > and channel 1 raid array.
> > > 
> > > The scanner is connected with adaptors and cable that allow the SE
> > > SCSI-2 scanner to connect to the LVD Ultra-2 RAID controller (not
> > > custom stuff though) (with the controller configured for SCSI-2
> > > Fast).
> > > 
> > 
> > can you try out 2.6.26 see trunk apt lines
> > -> http://wiki.debian.org/DebianKernel
> 
> I tried the .26 kernel using the trunk apt shown with no luck.  I still
> panics on boot, even with the scanner disconnected.  There appears to
> be some difficulty with the interaction of the st tape driver and the
> megraid_mbox driver (assuming the problem isn't the st tape driver
> period, though I'd expect you'd already have more bug reports if that
> was the case, and the panic output on the screen says that the problem
> is in the megraid_mbox driver, though I can't see the entire panic
> due to it being larger than a single screen).

could you please report upstream on bugzilla.kernel.org
the debian kernel has no scsi specific patches.
and let us know the upstream bug number.

thanks

-- 
maks