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

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Message-ID: <20120216214141.GG9751@redhat.com>
Date:	Thu, 16 Feb 2012 16:41:41 -0500
From:	Don Zickus <dzickus@...hat.com>
To:	Yinghai Lu <yinghai@...nel.org>
Cc:	linux-tip-commits@...r.kernel.org, mingo@...e.hu,
	kexec@...ts.infradead.org, linux-kernel@...r.kernel.org,
	mingo@...hat.com, ebiederm@...ssion.com, hpa@...or.com,
	akpm@...ux-foundation.org, torvalds@...ux-foundation.org,
	tglx@...utronix.de, vgoyal@...hat.com
Subject: Re: [tip:x86/debug] x86/kdump: No need to disable ioapic/ lapic in
 crash path

On Thu, Feb 16, 2012 at 10:43:06AM -0800, Yinghai Lu wrote:
> On Wed, Feb 15, 2012 at 6:53 PM, Don Zickus <dzickus@...hat.com> wrote:
> >
> > For some reason using gzip instead of xz makes things work for me with
> > your config.
> >
> > CONFIG_KERNEL_GZIP=y
> > CONFIG_KERNEL_XZ=n
> >
> > Do you see the same thing?
> 
> no.
> 
> with GZIP still get instant reset.

What about my other idea, 'echo 0 > /proc/sys/kernel/nmi_watchdog'?

Cheers,
Don
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