linux-kernel - 2.6.26.3-rt3 bug report

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Message-ID: <520f0cf10808241551x2fe64e9esadf66634b3790c54@mail.gmail.com>
Date:	Mon, 25 Aug 2008 00:51:11 +0200
From:	"John Kacur" <jkacur@...il.com>
To:	"Steven Rostedt" <rostedt@...dmis.org>,
	LKML <linux-kernel@...r.kernel.org>,
	RT <linux-rt-users@...r.kernel.org>
Cc:	"Thomas Gleixner" <tglx@...utronix.de>,
	"Ingo Molnar" <mingo@...e.hu>
Subject: 2.6.26.3-rt3 bug report

I haven't seen this one before.

Bad page state in process 'firefox-bin'
page:ffffe20001011f00 flags:0x0100000000000000
mapping:ffffe20001011f18 mapcount:0 count:0
Trying to fix it up, but a reboot is needed
Backtrace:
Pid: 4180, comm: firefox-bin Tainted: G        W 2.6.26.3-rt3 #3

Call Trace:
 [<ffffffff80287a72>] bad_page+0x6f/0x9d
 [<ffffffff8029184c>] ? inc_zone_page_state+0x5f/0x6b
 [<ffffffff80289046>] free_hot_cold_page+0x88/0x1e6
 [<ffffffff8028920b>] free_hot_page+0x10/0x12
 [<ffffffff8028922a>] __free_pages+0x1d/0x26
 [<ffffffff80294b95>] __pte_alloc+0x8e/0x99
 [<ffffffff80294cff>] handle_mm_fault+0x15f/0x766
 [<ffffffff8045f2d6>] ? rt_mutex_down_read_trylock+0x1ee/0x1f9
 [<ffffffff804629d9>] do_page_fault+0x51d/0x92c
 [<ffffffff8021251c>] ? native_sched_clock+0x2a/0x72
 [<ffffffff8027c930>] ? ftrace_now+0x9/0xb
 [<ffffffff80281548>] ? tracing_hist_preempt_start+0xf1/0x10d
 [<ffffffff8021251c>] ? native_sched_clock+0x2a/0x72
 [<ffffffff8027c930>] ? ftrace_now+0x9/0xb
 [<ffffffff804602f9>] error_exit+0x0/0x56

---------------------------
| preempt count: 00000000 ]
| 0-level deep critical section nesting:
----------------------------------------
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