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From: Ben Greear <greearb@candelatech.com>
To: bill davidsen <davidsen@tmr.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Locked up 2.4.10-pre11 on Tyan 815t motherboard.
Date: Mon, 24 Sep 2001 11:18:33 -0700	[thread overview]
Message-ID: <3BAF78F9.EC0F67C1@candelatech.com> (raw)
In-Reply-To: <200109241514.f8OFEL005589@deathstar.prodigy.com>

bill davidsen wrote:
> 
> In article <3BA8DF59.B9F536B4@candelatech.com> greearb@candelatech.com wrote:
> | Andrew Morton wrote:
> |
> | > nmi_watchdog will force an oops if the machine locks up
> | > with interrupts disabled (as I suspect mine did).  But
> | > it requires an SMP kernel or IO-APIC-on-UP.
> |
> | I just built a 2.4.8 kernel with the APIC enabled.  It locked
> | hard and printed no OOPS.  I had set the boot cmd line as:
> | nmi_watchdog=1
> 
> This only works if you have a lock with no response. If keyboard input
> is echoed or ping still works, that's not the tight lockup. May I
> suggest the software watchdog feature as an alternative. It's much
> better at finding cases where the system is only braindead rather than
> locked up.

The keyboard did not work and ping did not work...

alt-sysreq did not work either.

Ben

-- 
Ben Greear <greearb@candelatech.com>          <Ben_Greear@excite.com>
President of Candela Technologies Inc      http://www.candelatech.com
ScryMUD:  http://scry.wanfear.com     http://scry.wanfear.com/~greear

      reply	other threads:[~2001-09-24 18:12 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-09-19  6:51 Locked up 2.4.10-pre11 on Tyan 815t motherboard Ben Greear
2001-09-19  7:10 ` Ben Greear
     [not found] ` <3BA8CCF1.CA2933B3@zip.com.au>
     [not found]   ` <3BA8D351.F57BE70D@candelatech.com>
     [not found]     ` <3BA8D619.9A607219@zip.com.au>
2001-09-19 18:09       ` Ben Greear
2001-09-19 18:38         ` Bruce Harada
2001-09-19 19:15           ` Alan Cox
2001-09-19 19:53             ` Ben Greear
2001-09-19 20:03               ` Jeff Garzik
2001-09-19 20:05               ` Alan Cox
2001-09-19 20:40                 ` Locked up 2.4.10-pre11 on Tyan 815t motherboard. [EEPRO-100 bugs] Ben Greear
2001-09-19 21:57                   ` Alan Cox
2001-09-20 19:28             ` Locked up 2.4.10-pre11 on Tyan 815t motherboard Martin Josefsson
2001-09-19 19:46           ` Ben Greear
2001-09-24 15:14         ` bill davidsen
2001-09-24 18:18           ` Ben Greear [this message]

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