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Date: Thu, 23 Nov 2006 00:35:02 -0700
From: Scott Long <scottl@samsco.org>
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To: Joe Marcus Clarke <marcus@freebsd.org>
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Cc: Current@freebsd.org
Subject: Re: Constant watchdog timeouts on em0 with today's -CURRENT
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Joe Marcus Clarke wrote:
> I just synced with today's -CURRENT, and rendered by port build machine
> useless.  With minimal network traffic (just logging in via SSH with a
> TCP NFS-mounted home) I get an immediate watchdog timeout on em0, and
> they just keep coming as I type in the session.  The machine is
> otherwise idle while this is occurring.
> 
> I am currently running:
> 
> FreeBSD fugu.marcuscom.com 7.0-CURRENT FreeBSD 7.0-CURRENT #83: Thu Nov
> 23 01:51:05 EST 2006
> root@fugu.marcuscom.com:/space2/obj/usr/src/sys/FUGU  i386
> 
> I was running:
> 
> FreeBSD 7.0-CURRENT #80: Fri Nov 10 15:53:48 EST 2006
>     marcus@fugu.marcuscom.com:/space2/obj/usr/src/sys/FUGU
> 
> Which provided stable networking.  Here are my verbose dmesg and kernel
> config.  Note: this machine has both am if_em and an mpt card.  Could
> the recent MSI changes have exacerbated the em watchdog problem?  What
> can I do (besides downgrade) to resolve this?  Thanks.
> 
> http://www.marcuscom.com/downloads/fugu_dmesg.txt
> http://www.marcuscom.com/downloads/fugu_kernel.txt
> 
> Joe

Have you followed the instructions in src/UPDATING on how to turn MSI
off?

Scott