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From: "Karel Kulhavý" <clock@twibright.com>
To: "Herbert Pötzl" <herbert@13thfloor.at>
Cc: linux-kernel@vger.kernel.org
Subject: Re: NMI appears to be stuck! (2.4.22-rc2 on dual Athlon)
Date: Mon, 18 Aug 2003 01:40:00 +0200	[thread overview]
Message-ID: <20030818014000.A29722@beton.cybernet.src> (raw)
In-Reply-To: <20030817212824.GA9025@www.13thfloor.at>; from herbert@13thfloor.at on Sun, Aug 17, 2003 at 11:28:24PM +0200

It seems NMI watchdog doesn't work on nforce2 (Athlon) chipset boards when APIC
is enabled.

I don't know if it works if APIC is disabled and also don't know
about other boards.

Cl<

On Sun, Aug 17, 2003 at 11:28:24PM +0200, Herbert Pötzl wrote:
> 
> Hi All!
> 
> Still no nmi_watchdog on dual Athlon systems?
> 
> Linux version 2.4.22-rc2 on dual
> 
> processor	: 0
> vendor_id	: AuthenticAMD
> cpu family	: 6
> model		: 6
> model name	: AMD Athlon(tm) MP 1800+
> stepping	: 2
> cpu MHz		: 1533.401
> cache size	: 256 KB
> 
> Total of 2 processors activated (6127.61 BogoMIPS).                                                                                      ENABLING IO-APIC IRQs                                                                                                                    ..TIMER: vector=0x31 pin1=2 pin2=0                                                                                                       activating NMI Watchdog ... done.                                                                                                        testing NMI watchdog ... CPU#0: NMI appears to be stuck!                                                                                 testing the IO APIC.......................                                                                                                                                                                                                                                        .................................... done.                                                                                               Using local APIC timer interrupts.                                                                                                       calibrating APIC timer ...                                                                                                               
> 
> 
> just for curiosity, if I do not give the nmi_watchdog=1 
> option on the kernel boot line, the nmi seems to work fine?
> 
> # cat /proc/interrupts 
>            CPU0       CPU1       
>   0:       4275       2602    IO-APIC-edge  timer
>   1:          0          2    IO-APIC-edge  keyboard
>   2:          0          0          XT-PIC  cascade
>   4:        157        150    IO-APIC-edge  serial
>   8:          1          0    IO-APIC-edge  rtc
>   9:        169        186   IO-APIC-level  acpi
>  15:         12          3    IO-APIC-edge  ide1
>  16:       1195       1155   IO-APIC-level  aic7xxx
>  17:        149        144   IO-APIC-level  eth1
>  19:          1          3   IO-APIC-level  eth0
> NMI:       4034       3577 
> LOC:       6782       6777 
> ERR:          0
> MIS:          0
> 
> is this intentional, or have I missed something
> terrible important? if you need more information,
> let me know ...
> 
> TIA,
> Herbert
> 
> 
> 
> -
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  parent reply	other threads:[~2003-08-17 21:39 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-08-17 21:28 Herbert Pötzl
2003-08-17 22:11 ` Willy Tarreau
2003-08-17 22:28   ` Herbert Pötzl
2003-08-17 22:28     ` Zwane Mwaikambo
2003-08-17 22:49       ` Herbert Pötzl
2003-08-18  0:16       ` Jamie Lokier
2003-08-18  7:10         ` Zwane Mwaikambo
2003-08-17 23:40 ` Karel Kulhavý [this message]
2003-08-17 22:05   ` Herbert Pötzl

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