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Date: Tue, 20 Feb 2007 22:25:15 +0300
From: Alex Povolotsky <tarkhil@webmail.sub.ru>
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To: Mike Tancsa <mike@sentex.net>
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Cc: freebsd-net@freebsd.org, "Andrey V. Elsukov" <bu7cher@yandex.ru>,
	FreeBSD Stable <freebsd-stable@freebsd.org>
Subject: Re: mpd sometimes hangs the whole system?
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Mike Tancsa wrote:
> At 11:35 AM 2/20/2007, Alex Povolotsky wrote:
>
>> Thanks a lot, I've added invariants and witness; if it won't yield 
>> any information, I'll try more.
>>
>> So far, this cursed thing is working with some load for 2 hours, 
>> that's much. It does NOT, surely NOT try to tunnel tunnelled traffic; 
>> any serialconsole setup is useless since it is also a main gateway. 
>> If it dies, nothing but physical access can help.
>
> Although not a hard fast rule, I have found that if the box locks up 
> to the point where a BREAK on the serial console does not send it to 
> the debugger prompt, is usually a sign of a hardware lockup as opposed 
> to a software bug.
>
Well... I'll try to get to the box and try serial console..
> What is the chipset of the MB ? Does ichwd work with it to reset it ?


Whoops! Thanks, I'll give a try

    device   = '82801BA/CA/DB/DBL/EB/ER/FB (ICH2/3/4/4/5/5/6), 6300ESB 
Hub Interface to PCI Bridge'

you mean this thing, yes?

Alex.