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To: ross.alexander@uk.neceur.com
Cc: "Brendan Howes" <brendan@netzentry.com>, linux-kernel@vger.kernel.org
Subject: Re: NForce2 pseudoscience stability testing (2.6.0-test11)
References: <OF6617181D.A93B9D63-ON80256DEC.004D7534-80256DEC.0053A823@uk.neceur.com>
From: Julien Oster <lkml-7439@mc.frodoid.org>
Organization: FRODOID.ORG
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Date: Fri, 28 Nov 2003 19:00:03 +0100
In-Reply-To: <OF6617181D.A93B9D63-ON80256DEC.004D7534-80256DEC.0053A823@uk.neceur.com> (ross
 alexander's message of "Fri, 28 Nov 2003 15:13:45 +0000")
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ross.alexander@uk.neceur.com writes:

Hello Ross,

> I have been test various kernel parameter combinations to test stability.

Thanks, that's quite a nice overview.

But something seems strange:

> APIC,LAPIC                                              S
> PREM,APIC,LAPIC                                         S

Does those two lines mean, that using ACPI, APIC and local APIC
enabled is stable, as long as your kernel is not an SMP kernel? If
yes, then I can't confirm this. I run strictly non-SMP kernels and
they always crash if APIC (or local APIC?) is enabled.

BTW, I use a very quick test to see if the system is stable, that also
can be performed when booting with a "read-only init=/bin/bash" LILO
command line (so that no filesystem will need to fsck after a crash):
just type hdparm -t /dev/hd<someharddrive> several times.

Regards,
Julien
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