Re: Hard Lock with Fedora Core 1

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On Thu, Mar 18, 2004 at 07:33:42PM -0500, Small, Jim wrote:
> Funny that BSD/OS ran for so long without hard locks.  Since Linux is
> aggressive in using memory, I was thinking it could be a memory (RAM) issue.
> So I am running memtest86 3.1 overnight on the machine to grill the RAM.  If
> there are no memory errors detected I'll try those settings tomorrow.

I don't have your original message but I got the impression you were not
running the FC1 SMP kernel. If you are you should look at:

https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=109962
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=109497

Your symptoms don't sound like these problems however. The fact that you
can't ping the system means it's probably different.

> I have a console cable.  I'm assuming I just connect it to Com1 and watch?
> I'll try it tomorrow.  I use console cables all the time for network devices
> and Suns, but not much for x86 boxes (which this is).

You have to add some kernel parameters to get a serial console. Here is
my grub entry to do that:

title Fedora Core (2.4.22-1.2174.nptl)
        root (hd0,0)
        kernel /vmlinuz-2.4.22-1.2174.nptl ro root=LABEL=/ console=tty0 console=ttyS0,9600n81 panic=60 nmi_watchdog=1
        initrd /initrd-2.4.22-1.2174.nptl.img

Adjust for your kernel version.

> On the one hand this is frustrating, but on the other, that's how you learn,
> right?!?

That sums it up pretty well. At least with Free software you can dig
around and learn. That makes it enjoyable at times as well.

-- 
Norman Gaywood, Systems Administrator
School of Mathematics, Statistics and Computer Science
University of New England, Armidale, NSW 2351, Australia

norm@xxxxxxxxxxxxxxxxx            Phone: +61 (0)2 6773 2412
http://turing.une.edu.au/~norm    Fax:   +61 (0)2 6773 3312

Please avoid sending me Word or PowerPoint attachments.
See http://www.fsf.org/philosophy/no-word-attachments.html



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