From: Andi Kleen <ak@muc.de>
To: Andrew Morton <akpm@osdl.org>
Cc: Thomas Schlichter <thomas.schlichter@web.de>,
linux-kernel@vger.kernel.org,
Zwane Mwaikambo <zwane@holomorphy.com>
Subject: Re: 2.6.10-rc1-mm4
Date: 13 Nov 2004 00:11:26 +0100
Date: Sat, 13 Nov 2004 00:11:26 +0100 [thread overview]
Message-ID: <20041112231126.GC15853@muc.de> (raw)
In-Reply-To: <20041110150307.3a06cc1d.akpm@osdl.org>
> > kernel BUG at arch/i386/mm/highmem.c:63!
> > EIP is at kunmap_atomic+0x27/0x70
> > Call Trace
> > show_stack+0xa6/0xb0
> > show_register+0x14d/0x1c0
> > die+0x158/0x2e0
> > do_invalid_op+0xef/0x100
> > error_code+0x2b/0x30
> > copy_pte_range+0x122/0x490
>
> This might help:
Indeed. Thanks for fixing this. I checked the other functions,
but it seems I only made this mistake once.
-Andi
>
>
>
>
> We're modifying src_pte and dst_pte in the for-loop, and then unmapping the
> modified pointers. If one of them walked off the end of the page then blam.
>
>
> Signed-off-by: Andrew Morton <akpm@osdl.org>
next prev parent reply other threads:[~2004-11-12 23:15 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-11-10 22:33 2.6.10-rc1-mm4 Thomas Schlichter
2004-11-10 23:03 ` 2.6.10-rc1-mm4 Andrew Morton
2004-11-12 23:11 ` Andi Kleen [this message]
2004-11-12 23:31 ` 2.6.10-rc1-mm4 Zwane Mwaikambo
-- strict thread matches above, loose matches on Subject: below --
2004-11-09 15:49 2.6.10-rc1-mm4 Andrew Morton
2004-11-09 16:11 ` 2.6.10-rc1-mm4 Jens Axboe
2004-11-09 19:53 ` 2.6.10-rc1-mm4 Andrew Morton
2004-11-09 21:14 ` 2.6.10-rc1-mm4 Jens Axboe
2004-11-09 21:57 ` 2.6.10-rc1-mm4 Jens Axboe
2004-11-10 16:28 ` 2.6.10-rc1-mm4 Jens Axboe
2004-11-09 16:32 ` 2.6.10-rc1-mm4 Jesse Barnes
2004-11-09 16:41 ` 2.6.10-rc1-mm4 Markus Trippelsdorf
2004-11-09 17:02 ` 2.6.10-rc1-mm4 Stefano Rivoir
2004-11-09 23:18 ` 2.6.10-rc1-mm4 Dave Airlie
2004-11-10 1:30 ` 2.6.10-rc1-mm4 Dave Airlie
2004-11-10 7:44 ` 2.6.10-rc1-mm4 Stefano Rivoir
2004-11-11 7:39 ` 2.6.10-rc1-mm4 Stefano Rivoir
2004-11-10 11:40 ` 2.6.10-rc1-mm4 Fabio Coatti
2004-11-10 12:36 ` 2.6.10-rc1-mm4 Rafael J. Wysocki
2004-11-11 10:17 ` 2.6.10-rc1-mm4 Stefano Rivoir
2004-11-11 10:24 ` 2.6.10-rc1-mm4 Andrew Morton
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