Re: hang on bootup on 5.2.1: isa_probe_children: probing PnP devices

From: John Baldwin <jhb_at_FreeBSD.org>
Date: Tue, 9 Mar 2004 17:26:38 -0500
On Friday 05 March 2004 01:40 pm, Don Bowman wrote:
> My system is hanging as it boots. I've dropped into db as below. system is
> running 5.2.1. This is a dual xeon, running sched 4bsd.
>
> It seems to be in some sort of infinite loop.
>
> Suggests on where to go with this? Is there something I should try? The
> boot -v is below as well, its in isa_probe_children: probing PnP devices.
>
> if i run 'pnpscan' from the loader, it returns right away.
>
> There's no particular isa devices that i'm aware of, this is a new
> p4-based xeon motherboard.
>
> Note: the system only does this 'most' of the time, maybe 80%.
> It will do it on the generic kernel from the cd as well as the
> one i built.

Can you do a 'show intrcnt' from the ddb prompt to see if this is an interrupt 
storm?  Also, can try booting with ACPI enabled to see if that alleviates 
your problem?

-- 
John Baldwin <jhb_at_FreeBSD.org>  <><  http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve"  =  http://www.FreeBSD.org
Received on Wed Mar 10 2004 - 06:05:56 UTC

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