linux-kernel - Re: APIC problem report

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Message-ID: <49C28494.5030403@shakaweb.org>
Date:	Thu, 19 Mar 2009 18:44:52 +0100
From:	Christopher Schramm <debian@...kaweb.org>
To:	Ingo Molnar <mingo@...e.hu>
CC:	Yinghai Lu <yinghai@...nel.org>,
	"Maciej W. Rozycki" <macro@...ux-mips.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>, linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: APIC problem report

Ingo Molnar schrieb:
> By the looks of it, chances are that various APIC fixes and 
> robustization patches might have fixed your problem:
> 
>  691874f: x86: I/O APIC: timer through 8259A second-chance
>  03be750: x86: I/O APIC: keep the timer IRQ masked during set-up
>  24742ec: x86: I/O APIC: unmask the second-chance timer interrupt
>  d11d579: x86: I/O APIC: AEOI timer acknowledgement clean-ups
> 
> These first showed up in v2.6.27. Which would match your reported 
> symptoms of v2.6.26 failig and 2.6.28 working.

Yes, you're right. Looking at the detailed kernel messages, the "8259A 
second-chance" seems to do the trick. So it's already tackled. :-)

Christopher
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