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From: Greg KH <greg@kroah.com>
To: Tejun Heo <htejun@gmail.com>
Cc: Xiaotian Feng <xtfeng@gmail.com>,
	Greg Kroah-Hartman <gregkh@suse.de>,
	Miles Lane <miles.lane@gmail.com>,
	LKML <linux-kernel@vger.kernel.org>, Cliff Wickman <cpw@sgi.com>,
	Alexander Viro <viro@zeniv.linux.org.uk>,
	Andrew Morton <akpm@linux-foundation.org>,
	stable@kernel.org
Subject: Re: [stable] 2.6.35-rc3 -- kernel BUG at mm/vmalloc.c:216! - invalid opcode: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC
Date: Thu, 24 Jun 2010 10:00:18 -0700	[thread overview]
Message-ID: <20100624170018.GA5801@kroah.com> (raw)
In-Reply-To: <4C230E3F.4020107@gmail.com>

On Thu, Jun 24, 2010 at 09:50:23AM +0200, Tejun Heo wrote:
> On 06/24/2010 09:45 AM, Xiaotian Feng wrote:
> >> It's probably the same bug Cliff Wickman reported.
> >> per_cpu_ptr_to_phys() was using wrong first chunk match logic which
> >> ends up passing wrong addresses to vmalloc_to_page().  I have the
> >> following fix patch queued in percpu#for-linus branch and was waiting
> >> for Linus to come back.
> >>
> >>  http://git.kernel.org/?p=linux/kernel/git/tj/percpu.git;a=commitdiff_plain;h=9983b6f0cf8263e51bcf4c8a9dc0c1ef175b3c60;hp=a92d3ff9e5dbd958d8008a3e7a573e988e370ca3
> >>
> >> Can you please verify the above patch fixes the problem?
> > 
> > Yes, that patch fixes the problem on my box, thanks.
> 
> Thanks for verifying.  Greg, we'll have to wait till Linus comes back
> for mainline but maybe it's a good idea to put this into -stable queue
> early?  It's a rather straight forward bug fix and unlikely to be
> contentious.

Sorry, I need to wait until the patch is in Linus's tree.

thanks,

greg k-h

  reply	other threads:[~2010-06-24 17:03 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-06-24  5:11 2.6.35-rc3 -- kernel BUG at mm/vmalloc.c:216! - invalid opcode: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC Miles Lane
2010-06-24  5:22 ` Xiaotian Feng
2010-06-24  7:15   ` Tejun Heo
2010-06-24  7:45     ` Xiaotian Feng
2010-06-24  7:50       ` Tejun Heo
2010-06-24 17:00         ` Greg KH [this message]
2010-06-24  5:30 ` Xiaotian Feng
2010-06-24  5:50   ` Eric Dumazet
2010-06-25  3:27 ` Thomas Fjellstrom

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