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Message-ID: <3BA8DF59.B9F536B4@candelatech.com>
Date: Wed, 19 Sep 2001 11:09:29 -0700
From: Ben Greear <greearb@candelatech.com>
Organization: Candela Technologies
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To: Andrew Morton <akpm@zip.com.au>,
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Subject: Re: Locked up 2.4.10-pre11 on Tyan 815t motherboard.
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Andrew Morton wrote:

> nmi_watchdog will force an oops if the machine locks up
> with interrupts disabled (as I suspect mine did).  But
> it requires an SMP kernel or IO-APIC-on-UP.

I just built a 2.4.8 kernel with the APIC enabled.  It locked
hard and printed no OOPS.  I had set the boot cmd line as:
nmi_watchdog=1

> 
> > Could bad hardware do this..and if so, any idea of what to look for??
> >
> 
> Yes, bad hardware could do it.  It'll eother be a lockup
> with interrupts disabled or a double/triple fault.

When I opened the machine the first time (before I powered it up),
I noticed that the CPU fan's wires were tangled in the fan such that
it couldn't move..  I fixed that, but it could have been run before
I received the machine...  Could that cause this problem you think??

Thanks,
Ben

-- 
Ben Greear <greearb@candelatech.com>          <Ben_Greear@excite.com>
President of Candela Technologies Inc      http://www.candelatech.com
ScryMUD:  http://scry.wanfear.com     http://scry.wanfear.com/~greear