From: ebiederm@xmission.com (Eric W. Biederman)
To: prasad@linux.vnet.ibm.com
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Andi Kleen <andi@firstfloor.org>, "Luck\,
Tony" <tony.luck@intel.com>, Vivek Goyal <vgoyal@redhat.com>,
kexec@lists.infradead.org, anderson@redhat.com
Subject: Re: [RFC Patch 4/6] PANIC_MCE: Introduce a new panic flag for fatal MCE, capture related information
Date: Fri, 27 May 2011 11:04:06 -0700 [thread overview]
Message-ID: <m1fwo09g15.fsf@fess.ebiederm.org> (raw)
In-Reply-To: <20110526171521.GD17988@in.ibm.com> (K. Prasad's message of "Thu, 26 May 2011 22:45:21 +0530")
"K.Prasad" <prasad@linux.vnet.ibm.com> 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
next prev parent reply other threads:[~2011-05-27 18:04 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-26 17:07 [RFC Patch 0/6] slimdump: Enable slimdump if crashing kernel memory is not required K.Prasad
2011-05-26 17:12 ` [Patch 1/6] XPANIC: Add extended panic interface K.Prasad
2011-05-26 17:38 ` richard -rw- weinberger
2011-05-27 15:56 ` K.Prasad
2011-05-27 17:59 ` Eric W. Biederman
2011-05-26 17:12 ` [Patch 2/6] x86: mce: Convert mce code to xpanic K.Prasad
2011-05-27 18:01 ` Eric W. Biederman
2011-05-26 17:14 ` [Bugfix][Patch 3/3] Invoke vpanic inside xpanic function K.Prasad
2011-05-26 17:15 ` [RFC Patch 4/6] PANIC_MCE: Introduce a new panic flag for fatal MCE, capture related information K.Prasad
2011-05-26 18:43 ` Vivek Goyal
2011-05-27 17:03 ` K.Prasad
2011-05-27 18:29 ` Vivek Goyal
2011-05-27 18:04 ` Eric W. Biederman [this message]
2011-05-31 17:40 ` K.Prasad
2011-06-01 17:18 ` Dave Anderson
2011-06-01 17:23 ` Vivek Goyal
2011-06-01 17:41 ` Dave Anderson
2011-06-08 17:16 ` K.Prasad
2011-06-12 15:44 ` Eric W. Biederman
2011-06-15 2:06 ` K.Prasad
2011-05-27 18:09 ` Eric W. Biederman
2011-05-26 17:23 ` [RFC Patch 5/6] slimdump: Capture slimdump for fatal MCE generated crashes K.Prasad
2011-05-26 17:32 ` Andi Kleen
2011-05-27 15:53 ` K.Prasad
2011-05-26 17:44 ` Vivek Goyal
2011-05-26 18:09 ` Andi Kleen
2011-05-26 18:26 ` Vivek Goyal
2011-05-26 18:58 ` Andi Kleen
2011-05-26 19:10 ` Vivek Goyal
2011-05-26 23:44 ` Simon Horman
2011-05-27 16:57 ` K.Prasad
2011-05-27 17:59 ` Vivek Goyal
2011-06-08 17:00 ` K.Prasad
2011-05-27 18:14 ` Eric W. Biederman
2011-05-26 17:26 ` [RFC Patch 6/6] Crash: Recognise slim coredumps and process new elf-note sections K.Prasad
2011-05-27 15:37 ` Mahesh J Salgaonkar
2011-05-27 18:16 ` Eric W. Biederman
2011-05-27 18:22 ` Vivek Goyal
2011-05-27 18:35 ` Eric W. Biederman
2011-05-26 17:31 ` [RFC Patch 0/6] slimdump: Enable slimdump if crashing kernel memory is not required K.Prasad
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