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Date: Tue, 1 Aug 2006 18:18:09 -0700
To: Steven Rostedt <rostedt@goodmis.org>, Ingo Molnar <mingo@elte.hu>,
       linux-kernel@vger.kernel.org
Cc: "Bill Huey (hui)" <billh@gnuppy.monkey.org>
Subject: 2.6.17-rt8 crash amd64
Message-ID: <20060802011809.GA26313@gnuppy.monkey.org>
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From: Bill Huey (hui) <billh@gnuppy.monkey.org>
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Hello folks,

I'm getting this:

[   41.989355] BUG: scheduling while atomic: udevd/0x00000001/1101
[   41.995501]
[   41.995502] Call Trace:
[   41.999458]        <ffffffff8025ef65>{__schedule+155}
[   42.004805]        <ffffffff80261702>{_raw_spin_unlock_irqrestore+72}
[   42.011583]        <ffffffff802996c5>{task_blocks_on_rt_mutex+497}
[   42.018095]        <ffffffff802a86a4>{free_pages_bulk+42}
[   42.023799]        <ffffffff80291be3>{find_task_by_pid_type+24}
[   42.030039]        <ffffffff802a86a4>{free_pages_bulk+42}
[   42.035742]        <ffffffff8025fd89>{schedule+236}
[   42.040907]        <ffffffff8026078f>{rt_lock_slowlock+351}
[   42.046798]        <ffffffff80261702>{_raw_spin_unlock_irqrestore+72}
[   42.053577]        <ffffffff8026117d>{__lock_text_start+13}
[   42.059459]        <ffffffff802a86a4>{free_pages_bulk+42}
[   42.065161]        <ffffffff802616e6>{_raw_spin_unlock_irqrestore+44}
[   42.071940]        <ffffffff802a8b5a>{__free_pages_ok+428}
[   42.077733]        <ffffffff8022e29f>{__free_pages+48}
[   42.083168]        <ffffffff802365bb>{free_pages+133}
[   42.088514]        <ffffffff8025a92a>{free_task+24}
[   42.093678]        <ffffffff802474b7>{__put_task_struct+189}
[   42.099650]        <ffffffff8025fac4>{thread_return+208}
[   42.105264]        <ffffffff802996c5>{task_blocks_on_rt_mutex+497}
[   42.111774]        <ffffffff8029ae98>{atomic_dec_and_spin_lock+21}
[   42.118284]        <ffffffff80291be3>{find_task_by_pid_type+24}
[   42.124525]        <ffffffff8029ae98>{atomic_dec_and_spin_lock+21}
[   42.131032]        <ffffffff8025fd89>{schedule+236}
[   42.136195]        <ffffffff8026078f>{rt_lock_slowlock+351}
[   42.142086]        <ffffffff8026117d>{__lock_text_start+13}
[   42.147966]        <ffffffff8029ae98>{atomic_dec_and_spin_lock+21}
[   42.154476]        <ffffffff8020c4e9>{dput+57}
[   42.159194]        <ffffffff802093f3>{__link_path_walk+1710}
[   42.165166]        <ffffffff802617ad>{_raw_spin_unlock+46}
[   42.170961]        <ffffffff8020db81>{link_path_walk+103}
[   42.176672]        <ffffffff8020be5a>{do_path_lookup+644}
[   42.182379]        <ffffffff80223829>{__user_walk_fd+63}
[   42.187994]        <ffffffff8023fce4>{vfs_lstat_fd+33}
[   42.193434]        <ffffffff8022b3e4>{sys_newlstat+34}
[   42.198871]        <ffffffff8025ce3d>{error_exit+0}
[   42.204040]        <ffffffff8025bf22>{system_call+126}
[   42.209715] ---------------------------
[   42.213716] | preempt count: 00000001 ]
[   42.217715] | 1-level deep critical section nesting:
[   42.222879] ----------------------------------------
[   42.228043] .. [<ffffffff8025ef7d>] .... __schedule+0xb3/0xb2a
[   42.234150] .....[<ffffffff8025fd89>] ..   ( <= schedule+0xec/0x11e)
[   42.240796]
[   53.347726] NET: Registered protocol family 10
[   53.353240] IPv6 over IPv4 tunneling driver


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