From: Markus Trippelsdorf <markus@trippelsdorf.de>
To: Christoph Lameter <cl@linux.com>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: BUG: Bad page state in process (current git)
Date: Mon, 15 Nov 2010 13:38:46 +0100 [thread overview]
Message-ID: <20101115123846.GA30047@arch.trippelsdorf.de> (raw)
In-Reply-To: <20101112122003.GA1572@arch.trippelsdorf.de>
On 2010.11.12 at 13:20 +0100, Markus Trippelsdorf wrote:
> On 2010.11.10 at 15:46 -0600, Christoph Lameter wrote:
> > On Wed, 10 Nov 2010, Markus Trippelsdorf wrote:
> >
> > > I found this in my dmesg:
> > > ACPI: Local APIC address 0xfee00000
> > > [ffffea0000000000-ffffea0003ffffff] PMD -> [ffff8800d0000000-ffff8800d39fffff] on node 0
> >
> > That only shows you how the memmap was virtually mapped.
>
> Yes. Fortunately the BUG is gone since I pulled the upcoming drm fixes
No. I happend again today (with those fixes already applied):
BUG: Bad page state in process knode pfn:7f0a8
page:ffffea0001bca4c0 count:0 mapcount:0 mapping: (null) index:0x0
page flags: 0x4000000000000008(uptodate)
Pid: 18310, comm: knode Not tainted 2.6.37-rc1-00549-gae712bf-dirty #16
Call Trace:
[<ffffffff810a9022>] ? bad_page+0x92/0xe0
[<ffffffff810aa240>] ? get_page_from_freelist+0x4b0/0x570
[<ffffffff8102e50e>] ? apic_timer_interrupt+0xe/0x20
[<ffffffff810aa413>] ? __alloc_pages_nodemask+0x113/0x6b0
[<ffffffff810a2dd4>] ? file_read_actor+0xc4/0x190
[<ffffffff810a4a70>] ? generic_file_aio_read+0x560/0x6b0
[<ffffffff810bdf8d>] ? handle_mm_fault+0x6bd/0x970
[<ffffffff8104b1d0>] ? do_page_fault+0x120/0x410
[<ffffffff810c3d85>] ? do_brk+0x275/0x360
[<ffffffff81452d8f>] ? page_fault+0x1f/0x30
Disabling lock debugging due to kernel taint
--
Markus
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next prev parent reply other threads:[~2010-11-15 12:38 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-10 15:25 Markus Trippelsdorf
2010-11-10 15:40 ` Markus Trippelsdorf
2010-11-10 21:46 ` Christoph Lameter
2010-11-12 12:20 ` Markus Trippelsdorf
2010-11-15 12:38 ` Markus Trippelsdorf [this message]
2010-11-15 19:54 ` Markus Trippelsdorf
2010-11-15 21:23 ` Hugh Dickins
2010-11-16 11:13 ` [PATCH] ext4 Fix setting random pages PageUptodate Markus Trippelsdorf
2010-11-16 20:38 ` Ted Ts'o
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