Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752458Ab1E0SEU (ORCPT ); Fri, 27 May 2011 14:04:20 -0400 Received: from out02.mta.xmission.com ([166.70.13.232]:44366 "EHLO out02.mta.xmission.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750922Ab1E0SES (ORCPT ); Fri, 27 May 2011 14:04:18 -0400 From: ebiederm@xmission.com (Eric W. Biederman) To: prasad@linux.vnet.ibm.com Cc: Linux Kernel Mailing List , Andi Kleen , "Luck\, Tony" , Vivek Goyal , kexec@lists.infradead.org, anderson@redhat.com References: <20110526170722.GB23266@in.ibm.com> <20110526171521.GD17988@in.ibm.com> Date: Fri, 27 May 2011 11:04:06 -0700 In-Reply-To: <20110526171521.GD17988@in.ibm.com> (K. Prasad's message of "Thu, 26 May 2011 22:45:21 +0530") Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-XM-SPF: eid=;;;mid=;;;hst=in02.mta.xmission.com;;;ip=98.207.153.68;;;frm=ebiederm@xmission.com;;;spf=neutral X-XM-AID: U2FsdGVkX19yz/KnYhbonLhuolzMlGvDX1DHsslqcpM= X-SA-Exim-Connect-IP: 98.207.153.68 X-SA-Exim-Mail-From: ebiederm@xmission.com X-Spam-Report: * -1.0 ALL_TRUSTED Passed through trusted hosts only via SMTP * 1.5 XMNoVowels Alpha-numberic number with no vowels * 0.0 T_TM2_M_HEADER_IN_MSG BODY: T_TM2_M_HEADER_IN_MSG * -3.0 BAYES_00 BODY: Bayes spam probability is 0 to 1% * [score: 0.0000] * -0.0 DCC_CHECK_NEGATIVE Not listed in DCC * [sa07 1397; Body=1 Fuz1=1 Fuz2=1] * 0.0 T_TooManySym_01 4+ unique symbols in subject * 0.0 T_TooManySym_02 5+ unique symbols in subject * 0.4 UNTRUSTED_Relay Comes from a non-trusted relay X-Spam-DCC: XMission; sa07 1397; Body=1 Fuz1=1 Fuz2=1 X-Spam-Combo: ;prasad@linux.vnet.ibm.com X-Spam-Relay-Country: Subject: Re: [RFC Patch 4/6] PANIC_MCE: Introduce a new panic flag for fatal MCE, capture related information X-Spam-Flag: No X-SA-Exim-Version: 4.2.1 (built Fri, 06 Aug 2010 16:31:04 -0600) X-SA-Exim-Scanned: Yes (on in02.mta.xmission.com) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1070 Lines: 23 "K.Prasad" writes: > PANIC_MCE: Introduce a new panic flag for fatal MCE, capture related information > > Fatal machine check exceptions (caused due to hardware memory errors) will now > result in a 'slim' coredump that captures vital information about the MCE. This > patch introduces a new panic flag, and new parameters to *panic functions > that can capture more information pertaining to the cause of crash. > > Enable a new elf-notes section to store additional information about the crash. > For MCE, enable a new notes section that captures relevant register status > (struct mce) to be later read during coredump analysis. There may be a reason to pass everything struct mce through 5 layers of code but right now it looks like it just makes everything uglier to no real purpose. Eric -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/