linux-kernel - Re: 2.6.34-rc5-git7 -- INFO: possible circular locking dependency detected - &per_cpu(cpu_policy_rwsem, cpu)){+++++.}, at: [<ffffffff8139f077>] lock_policy_rwsem

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Message-ID: <4BD8177D.4010503@redhat.com>
Date:	Wed, 28 Apr 2010 19:09:49 +0800
From:	Cong Wang <amwang@...hat.com>
To:	Dave Jones <davej@...hat.com>, Miles Lane <miles.lane@...il.com>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	LKML <linux-kernel@...r.kernel.org>,
	Len Brown <len.brown@...el.com>, Pavel Machek <pavel@....cz>,
	"Rafael J. Wysocki" <rjw@...k.pl>, Amerigo Wang <amwang@...hat.com>
Subject: Re: 2.6.34-rc5-git7 -- INFO: possible circular locking dependency
 detected - &per_cpu(cpu_policy_rwsem, cpu)){+++++.}, at: [<ffffffff8139f077>]
 lock_policy_rwsem_read+0x4a/0x7a

Dave Jones wrote:
> On Mon, Apr 26, 2010 at 09:30:41PM -0400, Miles Lane wrote:
>  > Dave, is this the same?   http://marc.info/?l=linux-kernel&m=127207512031810&w=2
> 
> looks like it to me.  499bca9b6d3243f9278a1f5a22d00e67acdd844d should have fixed it,
> but it looks like that's present in -git7, so something is still missing..
> 

Ah, this is almost a totally different bug. I will check it tomorrow.

Thanks!
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