linux-kernel - Re: 2.6.18-rc2-mm1 timer int 0 doesn't work

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Message-Id: <20060728144854.44c4f557.akpm@osdl.org>
Date:	Fri, 28 Jul 2006 14:48:54 -0700
From:	Andrew Morton <akpm@...l.org>
To:	Paul Fulghum <paulkf@...rogate.com>
Cc:	linux-kernel@...r.kernel.org, Andi Kleen <ak@....de>,
	Ingo Molnar <mingo@...e.hu>,
	"Eric W. Biederman" <ebiederm@...ssion.com>
Subject: Re: 2.6.18-rc2-mm1 timer int 0 doesn't work

On Fri, 28 Jul 2006 13:44:36 -0500
Paul Fulghum <paulkf@...rogate.com> wrote:

> 2.6.18-rc2-mm1 causes boot to fail early with:
> kernel panic: IO_APIC timer interrupt 0 doesn't work
> 
> 2.6.18-rc2 works.
> 
> 2.6.18-rc2-mm1 kernel config located at:
> http://www.microgate.com/ftp/linux/test/config
> 
> syslog from working 2.6.18-rc2 located at:
> http://www.microgate.com/ftp/linux/test/syslog
> 

I don't know what would have caused this.  Was 2.6.18-rc1-mm2 OK?

Patches which touch arch/i386/kernel/io_apic.c are:

x86_64-mm-i386-up-generic-arch.patch
x86_64-mm-i386-io-apic-access.patch
genirq-convert-the-i386-architecture-to-irq-chips.patch
initial-generic-hypertransport-interrupt-support.patch
genirq-i386-irq-remove-the-msi-assumption-that-irq-==-vector.patch
genirq-i386-irq-move-msi-message-composition-into-io_apicc.patch
genirq-i386-irq-dynamic-irq-support.patch

The developers of those patches are cc'ed.

A bisection search would be useful, if you have the time.  I'd zero in on
the x86_64 tree initially.  Perhaps x86_64-mm-i386-io-apic-access.patch.

Or it could be something else altogether.
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