From: Masami Hiramatsu <mhiramat@redhat.com>
To: Gary Hade <garyhade@us.ibm.com>
Cc: mingo@elte.hu, mingo@redhat.com, x86@kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: BUG from text_poke() during CPU offlining
Date: Wed, 08 Apr 2009 13:21:18 -0700 [thread overview]
Message-ID: <49DD073E.4050804@redhat.com> (raw)
In-Reply-To: <20090408201107.GA11159@us.ibm.com>
Hi Gary,
Gary Hade wrote:
> I ran into the below BUG with 32-bit 2.6.30-rc1 while offlining
> all of the offlineable CPUs. It happened when the last offlineable
> CPUs was being offlined. The problem disappeared after I reverted
> the following two patches.
> - x86: implement atomic text_poke() via fixmap
> http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=78ff7fae04554b49d29226ed12536268c2500d1f
> - x86: expand irq-off region in text_poke()
> http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=7cf49427042400d40bdc80b5c3399b6b5945afa8
Hmm, this bug seems that the same bug I reported recently.
http://lkml.org/lkml/2009/4/4/71
I'm working on that.
Thank you for reporting!
>
> Gary
>
--
Masami Hiramatsu
Software Engineer
Hitachi Computer Products (America) Inc.
Software Solutions Division
e-mail: mhiramat@redhat.com
next prev parent reply other threads:[~2009-04-08 20:21 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-08 20:11 BUG from text_poke() during CPU offlining Gary Hade
2009-04-08 20:21 ` Masami Hiramatsu [this message]
2009-04-20 19:47 ` Gary Hade
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