Subject: Re: Ultra 10 stability.
To: Martin Husemann <martin@duskware.de>
From: Andrew Gillham <gillham@vaultron.com>
List: port-sparc64
Date: 12/19/2002 16:52:03
On Thu, Dec 19, 2002 at 10:56:08PM +0100, Martin Husemann wrote:
> 
> What CPU is that? My U5 @ 270 MHz is realy stable running -current, but my
> U60 @ 360 MHz has problems. Sometimes these show up as RED state exceptions
> on the serial console - but then firmware is hosed, so maybe with a real
> console it wouldn't even get to printing the message.

So I finally got a serial console working and I'm seeing the same RED state
exceptions you mention.

RED State Exception

TL=0000.0000.0000.0005 TT=0000.0000.0000.0034
   TPC=0000.0000.0100.81a8 TnPC=0000.0000.0100.81ac TSTATE=0000.0099.1104.1406
TL=0000.0000.0000.0004 TT=0000.0000.0000.0068
   TPC=0000.0000.0100.5404 TnPC=0000.0000.0100.5408 TSTATE=0000.0000.1100.1506
TL=0000.0000.0000.0003 TT=0000.0000.0000.00a8
   TPC=0000.0000.0118.a140 TnPC=0000.0000.0118.a144 TSTATE=0000.0000.8200.0604
TL=0000.0000.0000.0002 TT=0000.0000.0000.00c8
   TPC=0000.0000.0100.9204 TnPC=0000.0000.0100.9208 TSTATE=0000.0044.8200.0507
TL=0000.0000.0000.0001 TT=0000.0000.0000.00d8
   TPC=0000.0000.0012.56c8 TnPC=0000.0000.0012.56cc TSTATE=0000.0044.8200.8206


Watchdog Reset
Externally Initiated Reset

Is there any kind of workaround to keep from triggering this problem?
Thanks.

-Andrew