Re: Kernel Locking Up

Keith Owens
2001-08-23T02:27:44Z

On Wed, 22 Aug 2001 09:46:14 -0600 (MDT),
Travis Shirk <travis@pobox.com> wrote:
>Ever since I upgraded to the 2.4.x (currently running 2.4.8)
>kernels, my machine has been locking up every other day
>or so. Does anyone have any hints/tips for figuring out
>what is going on.

Kernel Debugger + serial console.
ftp://oss.sgi.com/projects/kdb/download/ix86/. man Documentation/kdb.mm.
Documentation/serial-console.txt.

Make sure that you enable the NMI watchdog, boot 2.4.x kernels with
"nmi_watchdog=1". Unless the problem is a total hardware lockup, nmi
will trip after 5 seconds and drop into kdb.