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From: Mikael Pettersson <mikpe@csd.uu.se>
To: linux-kernel@vger.kernel.org, munnikes@cistron.nl
Subject: Re: PROBLEM: spurious 8259A interrupt: IRQ7. AND VM: killing process ..
Date: Wed, 26 Sep 2001 22:27:45 +0200 (MET DST)	[thread overview]
Message-ID: <200109262027.WAA05553@harpo.it.uu.se> (raw)

On Wed, 26 Sep 2001 18:22:26 +0200, Alfred Munnikes wrote:

>With a new compiled kernel 2.4.10 I have the next problem's
>
>first is gives the message "spurious 8259A interrupt: IRQ7."
>...
>I have a Abit KT7-raid with KT133 chipset, may the problem a hardware
>...
>Local APIC disabled by BIOS -- reenabling.
>Found and enabled local APIC!
>...
>enabled ExtINT on CPU#0
>ESR value before enabling vector: 00000000
>ESR value after enabling vector: 00000000
>Using local APIC timer interrupts.
>calibrating APIC timer ...
>..... CPU clock speed is 900.0498 MHz.
>..... host bus clock speed is 200.0110 MHz.

You didn't include your .config, but it seems you have
CONFIG_X86_UP_IOAPIC=y.

Please try either 2.4.10 with CONFIG_X86_UP_IOAPIC=n (don't worry,
you don't need it and won't lose any performance) or 2.4.9-ac with
CONFIG_X86_UP_IOAPIC=n and CONFIG_X86_UP_APIC=y.

There seems to be something amiss with the merge of the UP local APIC
code from -ac (where it's brilliant, but I'm biased) in 2.4.10, but I
haven't had time to investigate. I'm almost certain that it was a mistake
to lump UP *local APIC* and UP *IO-APIC* together under the same config
option in 2.4.10 -- they're separate in 2.4-ac.

/Mikael

             reply	other threads:[~2001-09-26 20:27 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-09-26 20:27 Mikael Pettersson [this message]
2001-09-26 23:08 ` Wayne Whitney
  -- strict thread matches above, loose matches on Subject: below --
2001-09-26 16:22 Alfred Munnikes
2001-09-26 17:00 ` Ingo Molnar

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