Date: Wed, 14 Jan 2004 14:23:36 -0200 (BRST)
From: Marcelo Tosatti <marcelo.tosatti@cyclades.com>
To: Simon Kirby <sim@netnation.com>
Cc: linux-kernel@vger.kernel.org, Arkadiusz Miskiewicz <arekm@pld-linux.org>
Subject: Re: 2.4.24 SMP lockups
In-Reply-To: <20040111090135.GB6834@netnation.com>
Message-ID: <Pine.LNX.4.58L.0401141420090.14071@logos.cnet>
References: <Pine.LNX.4.58L.0401101758010.1310@logos.cnet>
 <20040111090135.GB6834@netnation.com>
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On Sun, 11 Jan 2004, Simon Kirby wrote:

> On Sat, Jan 10, 2004 at 05:58:18PM -0200, Marcelo Tosatti wrote:
>
> > This sounds like a deadlock. I wonder why the NMI watchdog is not
> > triggering.
>
> It appears the box I was expecting it to work onn has issues with the NMI
> working properly, so that may explain why nothing was showing up.  I'll
> try on others.
>
> > Can you share all available SysRQ-P output for the locked CPU ? SysRQ-T if
> > possible, too.
>
> Will do, in the next few days.
>
> > Can you please describe the hardware in more detail. Is there any common
> > hardware used in these boxes?
>
> The CPUs, motherboards, SCSI, Ethernet, etc., are all different... They
> are all SMP, and are fairly busy web servers.

I'm stress testing 2.4.24 on a 8-way SMP server with AIC7xxx from OSDL.
I'm using apachebench.

Lets see how it goes. Ill receive an SMP box with AIC7xxx this week
probably. As soon as it arrives Ill run the tests there too.
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