From: Ralf Baechle <ralf@linux-mips.org>
To: Florian Lohoff <flo@rfc822.org>
Cc: linux-mips@linux-mips.org, David Daney <ddaney@avtrex.com>
Subject: Re: 2.6.24-rc2 crash in kmap_coherent
Date: Wed, 12 Dec 2007 12:06:10 +0000 [thread overview]
Message-ID: <20071212120610.GB28868@linux-mips.org> (raw)
In-Reply-To: <20071211221327.GB2150@paradigm.rfc822.org>
On Tue, Dec 11, 2007 at 11:13:27PM +0100, Florian Lohoff wrote:
> Call Trace:
> [<ffffffff8801bcf0>] kmap_coherent+0x10/0x130
> [<ffffffff8801c010>] copy_from_user_page+0x40/0xb0
> [<ffffffff88079d10>] access_process_vm+0x168/0x1d8
> [<ffffffff880d9014>] proc_pid_cmdline+0xac/0x140
> [<ffffffff880db188>] proc_info_read+0x108/0x150
> [<ffffffff8808fbdc>] vfs_read+0xec/0x178
> [<ffffffff88090060>] sys_read+0x50/0x98
> [<ffffffff88019718>] handle_sys+0x118/0x134
>
>
> Code: 0002127a 00021000 30420001 <00028036> 8f820024 3c038843 24420001 af820024 dc62f390
Hmm... This suggests that 283abbaef425c1bf817ecbb456c413cab08b1434 is
not quite right. It is making the assumption that a mapped page never has
PG_dcache_dirty set.
Ralf
next prev parent reply other threads:[~2007-12-12 12:06 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-12-11 22:13 2.6.24-rc2 crash in kmap_coherent Florian Lohoff
2007-12-11 22:49 ` David Daney
2007-12-12 6:40 ` David Daney
2007-12-12 12:06 ` Ralf Baechle [this message]
2007-12-12 15:32 ` Ralf Baechle
2007-12-12 17:11 ` Giuseppe Sacco
2007-12-12 17:25 ` Giuseppe Sacco
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