From: Andrew Morton <andrewm@uow.edu.au>
To: jeffml@pobox.com
Cc: linux-kernel@vger.kernel.org
Subject: Re: 2.4.1pre8 Oops
Date: Mon, 22 Jan 2001 21:36:42 +1100 [thread overview]
Message-ID: <3A6C0D3A.39F5793E@uow.edu.au> (raw)
In-Reply-To: <01012111414100.15973@earth>
Jeff Lightfoot wrote:
>
> Nothing special with this box. SMP no modules, Squid proxy and
> running VNC/Pan at the time. Using kernel version of reiserfs on
> filesystems other than root.
>
> Be glad to offer any other info if needed.
Would I be correct in assuming that you're using a serial
console, and that the oops was caused by the NMI watchdog?
It seems that this is _bound_ to happen - we're busy
waiting on the UART with interrupts disabled....
Some fixes which come to mind are:
1: the serial console code tells the NMI oopser that it knows what
it's doing.
2: the serial console code aborts the write if it doesn't make any
progress for 1/10th of a second.
3: Boot the kernel with the `nmi_watchdog=0' LILO option if you're
using an unreliable serial console.
-
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prev parent reply other threads:[~2001-01-22 10:29 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-01-21 18:41 Jeff Lightfoot
2001-01-21 22:52 ` 2.4.1pre9 Oops (was Re: 2.4.1pre8 Oops) Jeff Lightfoot
2001-01-22 10:43 ` Andrew Morton
2001-01-22 10:36 ` Andrew Morton [this message]
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