From: caf@guarana.org
To: Keith Owens <kaos@ocs.com.au>
Cc: Kevin Easton <kevin@sylandro.com>, linux-kernel@vger.kernel.org
Subject: Re: 2.4.20 st + aic7xxx (Adaptec 19160B) + VIA KT333 repeatable freeze
Date: Sun, 15 Dec 2002 23:49:55 +1100 [thread overview]
Message-ID: <20021215124955.GA26751@guarana.org> (raw)
In-Reply-To: <1047.1039952560@ocs3.intra.ocs.com.au>
On Sun, Dec 15, 2002 at 10:42:40PM +1100, Keith Owens wrote:
> On Fri, 13 Dec 2002 11:51:27 +1100,
> Kevin Easton <kevin@sylandro.com> wrote:
> >I'm not sure exactly where this problem fits in, but I'm getting a
> >completely repeatable freeze (100% lockup, no response to keyboard)
> >triggered by writing to /dev/st0 (dd if=/dev/urandom of=/dev/st0 bs=512
> >count=163840 will reproduce it).
> >So... does anyone have any ideas how I should start trying to track this
> >down?
>
> Boot with nmi_watchdog=1 (smp) or nmi_watchdog=2 (smp or up), cat
> /proc/interrupts to verify that NMI is being used. If the problem is a
> disabled spinloop then the watchdog will trip after 5 seconds and give
> you a trace which can be run through ksymoops. If that trace does not
> give enough data to debug the problem, apply the kdb patch[*], read
> Documentation/kdb and start digging, bt first and debug from there.
Thanks, will try that in the morning.
- Kevin.
next prev parent reply other threads:[~2002-12-15 12:41 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-12-13 0:51 2.4.20 st + aic7xxx (Adaptec 19160B) + VIA KT333 repeatable freeze Kevin Easton
2002-12-15 11:42 ` Keith Owens
2002-12-15 12:49 ` caf [this message]
2002-12-15 20:01 ` Justin T. Gibbs
2002-12-15 21:52 ` kevin
2002-12-16 5:04 ` Kevin Easton
2002-12-16 3:52 ` caf
2002-12-16 4:47 ` Keith Owens
2002-12-16 5:21 ` Kevin Easton
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