From: Andi Kleen <ak@linux.intel.com>
To: Ingo Molnar <mingo@elte.hu>
Cc: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>,
linux-kernel@vger.kernel.org, mingo@redhat.com, hpa@zytor.com,
tglx@linutronix.de, Yinghai Lu <yinghai@kernel.org>,
Huang Ying <ying.huang@intel.com>,
"Rafael J. Wysocki" <rjw@sisk.pl>,
linux-tip-commits@vger.kernel.org
Subject: Re: [boot crash] Re: [tip:x86/mce3] x86, mce: use 64bit machine check code on 32bit
Date: Wed, 23 Sep 2009 17:22:25 +0200 [thread overview]
Message-ID: <4ABA3D31.8020507@linux.intel.com> (raw)
In-Reply-To: <20090922154157.GA17497@elte.hu>
Ingo Molnar wrote:
> Your sloppiness of not fixing mce_rdmsrl() as i requested brought us
> this new boot crash regression in 2.6.31, in mce_rdmsrl():
Ingo, that's because the MSRs already have capability bits. If the
capability bits don't work we have to find out why, not hack around
without understanding it it by using rdmsrl_safe(). Most likely something
more is wrong then and it has to be fixed properly.
I'll work with the reporter to find out what the problem is.
Thanks for bringing that bug to my attention.
-Andi
next prev parent reply other threads:[~2009-09-23 15:22 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <tip-4efc0670baf4b14bc95502e54a83ccf639146125@git.kernel.org>
2009-08-12 11:36 ` [boot crash] Re: [tip:x86/mce3] x86, mce: use 64bit machine check code on 32bit Ingo Molnar
2009-08-17 5:00 ` Hidetoshi Seto
2009-08-17 8:35 ` Ingo Molnar
2009-08-17 9:08 ` Hidetoshi Seto
2009-08-17 9:18 ` Ingo Molnar
2009-08-17 9:20 ` Ingo Molnar
2009-08-17 11:08 ` Andi Kleen
2009-08-17 11:24 ` Ingo Molnar
2009-09-22 15:41 ` Ingo Molnar
2009-09-23 15:22 ` Andi Kleen [this message]
2009-09-23 16:18 ` Ingo Molnar
2009-08-17 10:56 ` Andi Kleen
2009-08-17 11:00 ` Ingo Molnar
2009-08-17 11:29 ` [PATCH] x86, mce: Don't initialize MCEs on unknown CPUs Ingo Molnar
2009-08-17 11:35 ` Andi Kleen
2009-08-17 11:53 ` Ingo Molnar
2009-08-17 13:28 ` Andi Kleen
2009-08-17 11:25 ` [boot crash] Re: [tip:x86/mce3] x86, mce: use 64bit machine check code on 32bit Andi Kleen
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