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Date: Mon, 30 Mar 1998 16:04:31 -0100
To: bkogawa@primenet.com
From: Malte Lance <malte@webmore.com>
Subject: Re: Advice for diagnosing X hangs / kernel hangs?
Cc: questions@FreeBSD.ORG
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At 23:22 29.03.98 -0800, you wrote:
>On Tue, 24 Mar 1998, Bryan K. Ogawa wrote:
>> I'm looking for advice on how to diagnose the causes of hangs (no
>> keyboard, no mouse, music which was playing stops, no disk activity) that
>> happen to me occassionally under X.
>Odd.

Are you running a SCSI-system with many devices on the SCSI-bus ?

Malte Lance
malte@webmore.com

>
>> Since it does not seem to be a kernel panic (/var/log/messages is silent
>> when they happen) I am looking for ideas on how to diagnose this problem
>> more fully.
>
>I would suggest running a serial console to another computer or dumb
>terminal via null modem cable and see if you can crash the system.  Any
>panic output will appear there (when the panic happens it goes to the
>console which you can't see because you're in X).
>
>I would also check top or systat -pigs and make sure no process is going
>bananas.
>
>Doug White                              | University of Oregon  
>Internet:  dwhite@resnet.uoregon.edu    | Residence Networking Assistant
>http://gladstone.uoregon.edu/~dwhite    | Computer Science Major
>
>
>
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