Return-Path: <linux-kernel-owner+w=401wt.eu-S1752492AbZDMNNW@vger.kernel.org>
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
	id S1752492AbZDMNNW (ORCPT <rfc822;w@1wt.eu>);
	Mon, 13 Apr 2009 09:13:22 -0400
Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751715AbZDMNNM
	(ORCPT <rfc822;linux-kernel-outgoing>);
	Mon, 13 Apr 2009 09:13:12 -0400
Received: from mx2.redhat.com ([66.187.237.31]:36055 "EHLO mx2.redhat.com"
	rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP
	id S1751636AbZDMNNL (ORCPT <rfc822;linux-kernel@vger.kernel.org>);
	Mon, 13 Apr 2009 09:13:11 -0400
Date: Mon, 13 Apr 2009 09:09:58 -0400
From: Vivek Goyal <vgoyal@redhat.com>
To: Gui Jianfeng <guijianfeng@cn.fujitsu.com>
Cc: nauman@google.com, dpshah@google.com, lizf@cn.fujitsu.com,
       mikew@google.com, fchecconi@gmail.com, paolo.valente@unimore.it,
       jens.axboe@oracle.com, ryov@valinux.co.jp, fernando@intellilink.co.jp,
       s-uchida@ap.jp.nec.com, taka@valinux.co.jp, arozansk@redhat.com,
       jmoyer@redhat.com, oz-kernel@redhat.com, dhaval@linux.vnet.ibm.com,
       balbir@linux.vnet.ibm.com, linux-kernel@vger.kernel.org,
       containers@lists.linux-foundation.org, akpm@linux-foundation.org,
       menage@google.com, peterz@infradead.org
Subject: Re: [RFC] IO Controller
Message-ID: <20090413130958.GB18007@redhat.com>
References: <1236823015-4183-1-git-send-email-vgoyal@redhat.com> <49DF1256.7080403@cn.fujitsu.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <49DF1256.7080403@cn.fujitsu.com>
User-Agent: Mutt/1.5.18 (2008-05-17)
Sender: linux-kernel-owner@vger.kernel.org
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org
Content-Length: 2010
Lines: 54

On Fri, Apr 10, 2009 at 05:33:10PM +0800, Gui Jianfeng wrote:
> Vivek Goyal wrote:
> > Hi All,
> > 
> > Here is another posting for IO controller patches. Last time I had posted
> > RFC patches for an IO controller which did bio control per cgroup.
> 
>   Hi Vivek,
> 
>   I got the following OOPS when testing, can't reproduce again :(
> 

Hi Gui,

Thanks for the report. Will look into it and see if I can reproduce it.

Thanks
Vivek

> kernel BUG at block/elevator-fq.c:1396!
> invalid opcode: 0000 [#1] SMP
> last sysfs file: /sys/block/hdb/queue/scheduler
> Modules linked in: ipv6 cpufreq_ondemand acpi_cpufreq dm_mirror dm_multipath sbd
> Pid: 5032, comm: rmdir Not tainted (2.6.29-rc7-vivek #17) Veriton M460
> EIP: 0060:[<c04ec7de>] EFLAGS: 00010082 CPU: 0
> EIP is at iocg_destroy+0xdc/0x14e
> EAX: 00000000 EBX: f62278b4 ECX: f6207800 EDX: f6227904
> ESI: f6227800 EDI: f62278a0 EBP: 00000003 ESP: c8790f00
>  DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068
> Process rmdir (pid: 5032, ti=c8790000 task=f6636960 task.ti=c8790000)
> Stack:
>  f53cc5c0 f62b7258 f10991c8 00000282 f6227800 c0733fa0 ec1c5140 edfc6d34
>  c8790000 c04463ce f6a4c84c edfc6d34 0804c840 c048883c f6a4c84c f6a4c84c
>  c04888d6 f6a4c84c 00000000 c04897de f6a4c84c c048504c f115f4c0 ebc37954
> Call Trace:
>  [<c04463ce>] cgroup_diput+0x41/0x8c
>  [<c048883c>] dentry_iput+0x45/0x5e
>  [<c04888d6>] d_kill+0x19/0x32
>  [<c04897de>] dput+0xd8/0xdf
>  [<c048504c>] do_rmdir+0x8f/0xb6
>  [<c06330fc>] do_page_fault+0x2a2/0x579
>  [<c0402fc1>] sysenter_do_call+0x12/0x21
>  [<c0630000>] schedule+0x641/0x830
> Code: 08 00 74 04 0f 0b eb fe 83 7f 04 00 74 04 0f 0b eb fe 45 83 c3 1c 83 fd 0
> EIP: [<c04ec7de>] iocg_destroy+0xdc/0x14e SS:ESP 0068:c8790f00
> 
> -- 
> Regards
> Gui Jianfeng
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/