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Subject: Re: [ANNOUNCE] 2.6.31-rc4-rt1
From: Thomas Meyer <thomas@m3y3r.de>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: LKML <linux-kernel@vger.kernel.org>,
       rt-users <linux-rt-users@vger.kernel.org>, Ingo Molnar <mingo@elte.hu>,
       Steven Rostedt <rostedt@goodmis.org>,
       Peter Zijlstra <peterz@infradead.org>, Carsten Emde <ce@ceag.ch>,
       Clark Williams <williams@redhat.com>,
       Frank Rowand <frank.rowand@am.sony.com>
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Date: Sat, 01 Aug 2009 11:48:55 +0200
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Thomas Gleixner wrote:

> Enough said. Get the code and have fun!

BUG: scheduling while atomic: kjournald2/0x00000001/1128, CPU#1 
Modules linked in: olympic forcedeth rndis_wlan floppy [last unloaded: scsi_wait_scan]
Pid: 1128, comm: kjournald2 Tainted: G        W  2.6.31-rc4-rt1 #3
Call Trace:
 [<ffffffff81809a2d>] ? __schedule+0x88/0x76c
 [<ffffffff8109baca>] ? task_blocks_on_rt_mutex+0x15b/0x1c4
 [<ffffffff8180a45b>] ? schedule+0x1a/0x3e
 [<ffffffff8180b22e>] ? rt_spin_lock_slowlock+0x149/0x21c
 [<ffffffff810e630d>] ? lock_cpu_pcp+0x4b/0x85
 [<ffffffff810e762b>] ? free_hot_cold_page+0x5a/0x216
 [<ffffffff8110fe0a>] ? slab_irq_enable+0x9d/0xc1
 [<ffffffff81110516>] ? kmem_cache_free+0x42/0xc3
 [<ffffffff811df024>] ? jbd2_journal_remove_journal_head+0x2d/0x54
 [<ffffffff811dbe56>] ? journal_clean_one_cp_list+0x82/0xed
 [<ffffffff811dbf0a>] ? __jbd2_journal_clean_checkpoint_list+0x49/0xa0
 [<ffffffff811d9e1d>] ? jbd2_journal_commit_transaction+0x2f3/0x125a
 [<ffffffff8180a162>] ? thread_return+0x51/0xe4
 [<ffffffff810884bd>] ? autoremove_wake_function+0x0/0x55
 [<ffffffff810797d1>] ? try_to_del_timer_sync+0x59/0x77
 [<ffffffff811e00f2>] ? kjournald2+0x106/0x27c
 [<ffffffff810884bd>] ? autoremove_wake_function+0x0/0x55
 [<ffffffff811dffec>] ? kjournald2+0x0/0x27c
 [<ffffffff8108800e>] ? kthread+0x90/0x98
 [<ffffffff8102cf8a>] ? child_rip+0xa/0x20
 [<ffffffff81087f7e>] ? kthread+0x0/0x98
 [<ffffffff8102cf80>] ? child_rip+0x0/0x20