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Date:      Fri, 2 Jun 2006 13:27:22 +0100 (BST)
From:      Robert Watson <rwatson@FreeBSD.org>
To:        Rutger Bevaart <rutger.bevaart@illian-networks.nl>
Cc:        freebsd-stable@freebsd.org
Subject:   RE: 6.1 Stable keeps hanging
Message-ID:  <20060602132552.M4034@fledge.watson.org>
In-Reply-To: <45F15D04-EC42-4B34-883D-197E2BF5DE57@illian-networks.nl>
References:  <20060602102239.D09E016A578@hub.freebsd.org> <45F15D04-EC42-4B34-883D-197E2BF5DE57@illian-networks.nl>

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On Fri, 2 Jun 2006, Rutger Bevaart wrote:

> Try adding
>
> debug.mpsafenet=0
>
> to your /boot/loader.conf
>
> and see if that resolves your problem. We experienced the same on a number 
> of boxes which somehow seemes related to the locking mechanism used in the 
> networking stack. The Dell's (1750, 1850/2850) don't like it.
>
> Could be that you're experiencing the same.

Searching back through the archives and PR database, I don't see a lot of 
detailed debugging information on this.  Were you able to get into DDB on a 
serial console using serial break when one of these hangs occurs?  (i.e., 
options KDB + options DDB + options BREAK_TO_DEBUGGER + console=comconsole)

Robert N M Watson

>
> Regards
> Rutger Bevaart
>
>> Message: 19
>> Date: Fri, 2 Jun 2006 10:53:26 +0800
>> From: Denny <denow@magix.com.sg>
>> Subject: 6.1 Stable keeps hanging
>> To: freebsd-stable@freebsd.org
>> Message-ID: <20060602025326.GA30839@singtel.com>
>> Content-Type: text/plain; charset=us-ascii
>> 
>> Hi,
>> 
>> I am running 6.1 stable, AMD64 on Dell 2850, Intel Xeon. It keeps hanging 
>> for no reason, no panic message or core and I have to reboot the system 
>> whenever it freezes.
>> 
>> Any idea where to check?
>> 
>> Denny
>
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