From: Lukas Hejtmanek <xhejtman@ics.muni.cz>
To: Wu Fengguang <fengguang.wu@intel.com>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: 2.6.28-rc8 big regression in VM
Date: Mon, 15 Dec 2008 10:44:09 +0100 [thread overview]
Message-ID: <20081215094409.GA4422@ics.muni.cz> (raw)
In-Reply-To: <20081215011645.GA9707@localhost>
On Mon, Dec 15, 2008 at 09:16:45AM +0800, Wu Fengguang wrote:
> Lukas, could you apply the attached patch, recompile and do
>
> modprobe filecache
> free; cp /proc/filecache /tmp/a;
> echo 3 > /proc/sys/vm/drop_caches
> free; cp /proc/filecache /tmp/b;
>
> and send me the outputs a and b?
unfortunately, it causes an oops (0000 [#1] SMP) in d_path + 0x31/0x110, code
48 85 c0 74 2f <48> 8b 40 30 48
rax = 0x100000001
(it does not save the oops into any log, thus I only wrote down possibly most
important clues)
--
Lukáš Hejtmánek
next prev parent reply other threads:[~2008-12-15 9:44 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-12-12 18:38 2.6.28-rc8 big regression in VM Lukas Hejtmanek
2008-12-13 1:21 ` Wu Fengguang
2008-12-13 9:58 ` Lukas Hejtmanek
2008-12-13 14:02 ` Wu Fengguang
2008-12-16 21:08 ` Bill Davidsen
2008-12-15 1:16 ` Wu Fengguang
2008-12-15 2:05 ` KOSAKI Motohiro
2008-12-15 9:53 ` Lukas Hejtmanek
2008-12-15 10:56 ` KOSAKI Motohiro
2008-12-15 9:44 ` Lukas Hejtmanek [this message]
2008-12-16 4:59 ` Wu Fengguang
[not found] ` <20081216195219.GA4480@ics.muni.cz>
2008-12-17 12:27 ` Wu Fengguang
2008-12-17 12:33 ` Lukas Hejtmanek
2008-12-17 12:44 ` Wu Fengguang
2008-12-17 12:49 ` Lukas Hejtmanek
2008-12-17 13:02 ` Wu Fengguang
2008-12-25 10:50 ` Wu Fengguang
2008-12-25 10:58 ` Lukas Hejtmanek
2008-12-25 11:18 ` Wu Fengguang
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