From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <linux-kernel-owner+w=401wt.eu-S1758295AbZHQXvW@vger.kernel.org>
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
	id S1758295AbZHQXvW (ORCPT <rfc822;w@1wt.eu>);
	Mon, 17 Aug 2009 19:51:22 -0400
Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752798AbZHQXvV
	(ORCPT <rfc822;linux-kernel-outgoing>);
	Mon, 17 Aug 2009 19:51:21 -0400
Received: from mail-yx0-f175.google.com ([209.85.210.175]:44789 "EHLO
	mail-yx0-f175.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
	with ESMTP id S1752575AbZHQXvU (ORCPT
	<rfc822;linux-kernel@vger.kernel.org>);
	Mon, 17 Aug 2009 19:51:20 -0400
DomainKey-Signature: a=rsa-sha1; c=nofws;
        d=gmail.com; s=gamma;
        h=mime-version:date:message-id:subject:from:to:cc:content-type
         :content-transfer-encoding;
        b=mzbQ5cBO3WaT38DEPQl0kG9PiXqnOM3ooTwD5j2/tRQtLF0tDxD31V+pK5fZngztLu
         9PbSE4QebqXuWUMzKQ5ZFMta6Aw9tOafvvBS8DjIOfP3V5WXY/BC2UmCNhmd8hXHIX0b
         Ixyl3MSzuKwulEV2T8Y/WK/wpn3uMzXASFZxA=
MIME-Version: 1.0
Date: Tue, 18 Aug 2009 01:51:21 +0200
Message-ID: <520f0cf10908171651i4ed50800n76a2c11a2cce2914@mail.gmail.com>
Subject: 2.6.31-rc6-rt3 oops
From: John Kacur <jkacur@gmail.com>
To: Thomas Gleixner <tglx@linutronix.de>, RT <linux-rt-users@vger.kernel.org>,
       LKML <linux-kernel@vger.kernel.org>
Cc: John Kacur <jkacur@redhat.com>, Clark Williams <williams@redhat.com>
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: 7bit
Sender: linux-kernel-owner@vger.kernel.org
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

INFO: task irq/19-ehci_hcd:611 blocked for more than 120 seconds.
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
irq/19-ehci_h D ffff88002bfd1880  6832   611      2 0x00000000
BUG: using smp_processor_id() in preemptible [00000000] code: khungtaskd/343
caller is show_stack_log_lvl+0x37/0x12e
Pid: 343, comm: khungtaskd Not tainted 2.6.31-rc6-rt3 #1
Call Trace:
 [<ffffffff811fe1b6>] debug_smp_processor_id+0xda/0x108
 [<ffffffff8100efbd>] show_stack_log_lvl+0x37/0x12e
 [<ffffffff813df08c>] ? printk+0x4b/0x67
 [<ffffffff810101ae>] show_stack+0x2a/0x40
 [<ffffffff810496eb>] sched_show_task+0xd3/0xef
 [<ffffffff810b6c66>] watchdog+0x1a7/0x21b
 [<ffffffff81041c49>] ? need_resched+0x31/0x4f
 [<ffffffff810b6abf>] ? watchdog+0x0/0x21b
 [<ffffffff810728ee>] kthread+0xad/0xb5
 [<ffffffff8104a1b3>] ? finish_task_switch+0xab/0x15e
 [<ffffffff8100d15a>] child_rip+0xa/0x20
 [<ffffffff8100cac0>] ? restore_args+0x0/0x30
 [<ffffffff81072841>] ? kthread+0x0/0xb5
 [<ffffffff8100d150>] ? child_rip+0x0/0x20
 ffff880138999df0 0000000000000082 0000000030fa3107 0000000030fa3107
 ffff880138999d80 ffffffff813e28d8 ffff880138f517c0 ffff880138db8200
 ffff880138f51b58 0000000000000246 ffff880138999db0 ffffffff813e10c3
Call Trace:
 [<ffffffff813e28d8>] ? _atomic_spin_unlock_irqrestore+0x5f/0x91
 [<ffffffff813e10c3>] ? rt_spin_lock_slowunlock+0x58/0x9c
 [<ffffffff813e1ed6>] ? rt_spin_unlock+0x57/0x72
 [<ffffffff810b7ade>] ? irq_thread+0x0/0x1d5
 [<ffffffff813e01dc>] schedule+0x22/0x47
 [<ffffffff810728da>] kthread+0x99/0xb5
 [<ffffffff8104a1b3>] ? finish_task_switch+0xab/0x15e
 [<ffffffff8100d15a>] child_rip+0xa/0x20
 [<ffffffff8100cac0>] ? restore_args+0x0/0x30
 [<ffffffff813e1149>] ? rt_spin_lock_slowlock+0x42/0x29e
 [<ffffffff81072841>] ? kthread+0x0/0xb5
 [<ffffffff8100d150>] ? child_rip+0x0/0x20
INFO: lockdep is turned off.
Kernel panic - not syncing: hung_task: blocked tasks