linux-kernel - Re: [tip:x86/debug] x86/kdump: No need to disable ioapic/ lapic in crash path

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Message-ID: <CAE9FiQVPnO8-tuPoio0Wxv=8rjdm2tJbBk3+3ystueyYtZn9BA@mail.gmail.com>
Date:	Mon, 13 Feb 2012 10:16:00 -0800
From:	Yinghai Lu <yinghai@...nel.org>
To:	"Eric W. Biederman" <ebiederm@...ssion.com>
Cc:	linux-kernel@...r.kernel.org, mingo@...hat.com, hpa@...or.com,
	torvalds@...ux-foundation.org, kexec@...ts.infradead.org,
	vgoyal@...hat.com, akpm@...ux-foundation.org, tglx@...utronix.de,
	dzickus@...hat.com, mingo@...e.hu,
	linux-tip-commits@...r.kernel.org
Subject: Re: [tip:x86/debug] x86/kdump: No need to disable ioapic/ lapic in
 crash path

On Mon, Feb 13, 2012 at 8:51 AM, Yinghai Lu <yinghai@...nel.org> wrote:
>> So I suspect we have a bug in our apic initialization somewhere, but
>> apic initialization should happen after printk are enabled.  Or at least
>> after early printks so the reset YH is reporting doesn't make much sense.
>
> will try Don's first version patch that only removing disable_IO_APIC.

first version patch (only removing disable_IO_APIC) is working.

Thanks

Yinghai
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