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Date:      Sun, 19 May 2002 13:49:33 -0700 (PDT)
From:      holger.kipp@alogis.com
To:        undisclosed-recipients:;
Subject:   4.6-RC system hangs (fxp0, smp, sym)
Message-ID:  <20020519204933.D5B8137B40A@hub.freebsd.org>

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Hello,

I have some more info regarding the system hangs:

On my Toshiba Magnia 3000, the system hangs after some network traffic.
More specificly, I have to turn of the machine to get it working again.
This happens ONLY, if I use SMP. Otherwise, system is rock stable.

As I can only execute commands then that don't require hard disk access,
I started ifconfig before and then during system hang, issued

ifconfig fxp0 down

(and waited some time). As a result, the scsi-bus got reset and everything
was working again - and I got the corresponding messages written to
/var/log/messages (but it isn't that much):

May 19 18:34:33 idefix /kernel: fxp0: device timeout
May 19 18:35:26 idefix /kernel: (noperiph:sym0:0:-1:-1): SCSI BUS reset detected.

The only PR that seems related is kern/32478.

All hints welcome. SCSI is SYMBIOS 53C875.


Regards,
Holger

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