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From: Suresh Siddha <suresh.b.siddha@intel.com>
To: Vegard Nossum <vegard.nossum@gmail.com>
Cc: LKML <linux-kernel@vger.kernel.org>,
	the arch/x86 maintainers <x86@kernel.org>,
	"Siddha, Suresh B" <suresh.b.siddha@intel.com>,
	"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Subject: Re: recent -git: BUG in free_thread_xstate
Date: Wed, 23 Jul 2008 13:31:09 -0700	[thread overview]
Message-ID: <20080723203109.GH14380@linux-os.sc.intel.com> (raw)
In-Reply-To: <19f34abd0807231307y191c0ad7tfab4cda57ee88eb@mail.gmail.com>

On Wed, Jul 23, 2008 at 01:07:04PM -0700, Vegard Nossum wrote:
> Hi,
> 
> I just got this on c010b2f76c3032e48097a6eef291d8593d5d79a6 (-git from
> yesterday):

Do you see this in 2.6.26 aswell? I suspect it is coming from post 2.6.26
changes.

> 
> BUG: unable to handle kernel paging request at 00664381
> IP: [<c010b274>] free_thread_xstate+0x4/0x30
...

> EIP is at arch/x86/kernel/process.c:36:
> 
>         if (tsk->thread.xstate) {
> 

It looks like the kernel stack of that process got corrupted, corrupting the
task pointer in thread_info. Can you send us your config file?

thanks,
suresh

  parent reply	other threads:[~2008-07-23 20:31 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-07-23 20:07 recent -git: BUG in free_thread_xstate Vegard Nossum
2008-07-23 20:23 ` Vegard Nossum
2008-07-23 20:28   ` Vegard Nossum
2008-07-23 21:35     ` Vegard Nossum
2008-07-23 20:31 ` Suresh Siddha [this message]
2008-07-23 20:39   ` Vegard Nossum
2008-07-23 20:52   ` Vegard Nossum
2008-07-23 21:22     ` Dmitry Adamushko
2008-07-23 21:35       ` Dmitry Adamushko
2008-07-23 21:45         ` Vegard Nossum
2008-07-23 22:01           ` Dmitry Adamushko
2008-07-23 22:05             ` Vegard Nossum
2008-07-23 22:45               ` Vegard Nossum
2008-07-23 22:50                 ` Vegard Nossum
2008-07-23 23:20                   ` Vegard Nossum
2008-07-23 23:53                     ` Matt Mackall
2008-07-24  0:02                       ` Vegard Nossum
2008-07-23 21:22   ` Vegard Nossum
2008-07-23 22:42     ` Max Krasnyansky
2008-08-01 21:10   ` Paul E. McKenney
2008-08-08 18:46     ` Vegard Nossum
2008-08-08 20:40       ` Paul E. McKenney

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