From: jiho@c-zone.net
To: "Cédric Barboiron" <ced2ml@ifrance.com>
Cc: linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: hdX lost interrupt problem
Date: Tue, 08 Jul 2003 22:04:01 -0700 [thread overview]
Message-ID: <3F0BA241.8020508@c-zone.net> (raw)
In-Reply-To: 3F0B6930.3080009@c-zone.net
jiho@c-zone.net wrote:
> I seem to recall one incident while I was unrolling a tarball off a
> CD onto a hard drive, that happened to involve a VIA chipset.
I don't have a record of it, but as I remember, when that happened I had
APIC enabled in the BIOS. After that, I switched to PIC.
In this machine's BIOS Setup BIOS FEATURES SETUP screen, there's the line:
Interrupt Mode : PIC
The other option is APIC. Make sure it says PIC.
I think it was Alan Cox who pointed out that on single-processor systems
you need to have PIC, and not APIC enabled. And my kernel wasn't even
built with APIC support ("# CONFIG_X86_UP_APIC is not set").
APIC is a newer interrupt controller type, PIC is the orginal 8259A
type. These chipsets can emulate either type in hardware.
I don't know if that's your problem, but you might check.
-- Jim Howard <jiho@c-zone>
next prev parent reply other threads:[~2003-07-09 4:48 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-07-08 15:35 hdX lost interrupt problem Cédric Barboiron
2003-07-08 21:32 ` jiho
2003-07-09 1:00 ` jiho
2003-07-09 5:04 ` jiho [this message]
2003-07-10 20:15 ` Cédric
2003-07-10 22:49 ` Cédric
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