Bug#415068: I can reproduce #415068 on a UltraSparc 5 over USB serial adapter

[Moritz Muehlenhoff <jmm@inutil.org>]

On Sat, Jul 18, 2009 at 12:32:00AM +0200, Moritz Muehlenhoff wrote:
> On Wed, Dec 12, 2007 at 09:58:43PM +0100, Axel Beckert wrote:
> > found 415068 2.6.18.dfsg.1-13etch5
> > found 415068 2.6.18.dfsg.1-13etch4
> > thanks
> > 
> > Hi,
> > 
> > I'm currently investigating an UltraSparc 5 which didn't come up after
> > the recent kernel update from 2.6.18.dfsg.1-13etch4 to
> > 2.6.18.dfsg.1-13etch5, but it booted without problems after being
> > moved to the office for investigation.
> > 
> > It initially had not serial console configured, but now has /dev/ttyS1
> > with 9600 8N1. (So this bug is probably not responsible for the
> > initial hang on reboot because of which I started investigating the
> > machine.)
> > 
> > I tried to connect over one of these ugly USB to serial
> > adapters. (Also to test the adapter since I will need it if I don't
> > want to carry the Sparc to the office again next time.) And while
> > experimenting a little bit with the baud rates (9600 8N1 as configured
> > and expected on the Sparc lost about every third character), I
> > suddenly got a kernel panic on the VGA monitor (which I connected
> > because the machine stopped pinging).
> > 
> > I can reproduce this kernel panic with the following command on the
> > laptop with the USB to serial adapter connected to ttyS1 on the Sparc:
> > 
> > screen /dev/ttyUSB0 2400,cs8<Enter><Enter>
> > 
> > If I keep the screen running while rebooting, just typing a single
> > <Enter> into the screen, the box panics.
> > 
> > Here's a (manual!) transcript of the Sparc's output:
> 
> Does this error still occur with the Lenny kernel?

Do you still own such a system?

Cheers,
        Moritz