linux-kernel - Re: [Bug] Kdump does not work when panic triggered due to MCE

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Message-ID: <20110506173825.GK11636@one.firstfloor.org>
Date:	Fri, 6 May 2011 19:38:25 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	"K.Prasad" <prasad@...ux.vnet.ibm.com>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Andi Kleen <andi@...stfloor.org>,
	"Luck, Tony" <tony.luck@...el.com>,
	Vivek Goyal <vgoyal@...hat.com>, kexec@...ts.infradead.org,
	ying.huang@...el.com
Subject: Re: [Bug] Kdump does not work when panic triggered due to MCE

> Has anybody tested this before? Or have found kdump working when fatal
> MCEs have actually occurred?

Ying did some testing. mce-test has test cases for kdump.

My guess is you injected the error into some area used by the kexec
code or boot up path of the kexec kernel.

-Andi
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