Subject: Re: scsi bus problems
To: Nick <>
From: Manuel Bouyer <>
List: port-alpha
Date: 01/15/2001 21:40:36
On Sun, Jan 14, 2001 at 11:55:18AM -0500, Nick wrote:
> I am now getting worried about my AlphaStation.  While untar'ing some
> newer kernel sources the system appeared to freeze.  I could still use
> the system but anything that required a disk access would hang.  After
> a few seconds of this I saw the following appear on the console...
> sd0 (siop1:0:0): command timeout
> siop1: scsi bus reset
> cmd 0xfffffe0000044580 (target 0) in reset list
> cmd 0xfffffe0000044580 about to be processed
> Then after a few more seconds processes became unhung, but anything
> that required disk access would just terminate with an input/output
> error message:
> bash: /bin/ls: Input/output error
> I would guess that this is indicative of a cabling or termination
> problem, but I feel pretty sure that both the cabling and termination
> are sound.
> Any thoughts as to if this is a software, hardware, or configuration
> problem?
> Could sd0 be failing?

Is this a new problem, or did it start with a new kernel ?
Also what version of NetBSD are you using ?
Check cable and terminations anyway, just to be sure :)

Manuel Bouyer <>