Re: [SLE] Higher CPU ext. freq setting causes kernel panic
From: Dale Mirenda (dmirenda_at_shap.com)
Date: 06/11/04
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Date: Fri, 11 Jun 2004 12:41:11 -0700 To: Rikard Johnels <rikjoh@norweb.se>
On Jun 11, 2004, at 12:01 PM, Rikard Johnels wrote:
> Yes! This seems like a timing problem.
> I cant tell you what fails though..
I hoped that removing the SATA circuit and all the pci cards earlier
would bring a timing problem out into the open, but as I said before I
had no such luck.
Of course, there is other mboard based stuff that I did not disable
such as two embedded NICs, firewire, and nVidia audio. Could something
like that be subject to a timing problem?
BTW, I have noticed that the crashes or stalls happen pretty late in
the boot process. I got excited when twice in a row the boot hung while
executing coldplug. I NOCOLDPLU=1 on the next boot and this time it
stalled out while setting up the network, and the following time it got
all the way to setting up cups before it died. So I guess it really is
random, after all.
> Try booting the memtest and run it at 200 MHz and see what it tells
> you.
> It MIGHT catch timing errors. No guarantee though,
I've run the memtest (the one on the OS boot selection screen) before
in 200 MHz mode but I really did not know what I was looking at so I
have not revisited it. Honestly, I cannot say that I know for sure that
I even set the utility up properly before I ran it. I think I just
expected something like a big flashing red and yellow popup informing
me that my RAM was bad! I should have figured that Linux would be a bit
more subtle. I'll read up on it, but can you give me an idea what I
should be looking for in the output?
>
> Have you tried installing XP?
> If so, what does it think you have installed?
> What does the bios say if you let it autodetect?
>
Installing XP is the next step I was going to take. I'll have the time
to do it this weekend. I figured that if it is a Linux-only problem
that would pretty much tell the tale. I just have not had time during
the week to do more than putter with the stuff I had already installed.
Dale
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