From: Bob Liu <liubo95@huawei.com>
To: Xiong Zhou <xzhou@redhat.com>,
Christoph Hellwig <hch@infradead.org>,
mhocko@suse.com
Cc: linux-xfs@vger.kernel.org, linux-mm@kvack.org,
linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org
Subject: Re: mm allocation failure and hang when running xfstests generic/269 on xfs
Date: Thu, 2 Mar 2017 14:41:41 +0800 [thread overview]
Message-ID: <25dc5032-db32-5814-cabe-14e015302423@huawei.com> (raw)
In-Reply-To: <20170302051900.ct3xbesn2ku7ezll@XZHOUW.usersys.redhat.com>
On 2017/3/2 13:19, Xiong Zhou wrote:
> On Wed, Mar 01, 2017 at 04:37:31PM -0800, Christoph Hellwig wrote:
>> On Wed, Mar 01, 2017 at 12:46:34PM +0800, Xiong Zhou wrote:
>>> Hi,
>>>
>>> It's reproduciable, not everytime though. Ext4 works fine.
>>
>> On ext4 fsstress won't run bulkstat because it doesn't exist. Either
>> way this smells like a MM issue to me as there were not XFS changes
>> in that area recently.
>
> Yap.
>
> First bad commit:
>
It looks like not a bug.
>From below commit, the allocation failure print was due to current process received SIGKILL signal.
You may need to confirm whether that's the case.
Regards,
Bob
> commit 5d17a73a2ebeb8d1c6924b91e53ab2650fe86ffb
> Author: Michal Hocko <mhocko@suse.com>
> Date: Fri Feb 24 14:58:53 2017 -0800
>
> vmalloc: back off when the current task is killed
>
> Reverting this commit on top of
> e5d56ef Merge tag 'watchdog-for-linus-v4.11'
> survives the tests.
>
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
next prev parent reply other threads:[~2017-03-02 6:44 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-01 4:46 Xiong Zhou
2017-03-02 0:37 ` Christoph Hellwig
2017-03-02 5:19 ` Xiong Zhou
2017-03-02 6:41 ` Bob Liu [this message]
2017-03-02 6:47 ` Anshuman Khandual
2017-03-02 8:42 ` Michal Hocko
2017-03-02 9:23 ` Xiong Zhou
2017-03-02 10:04 ` Tetsuo Handa
2017-03-02 10:35 ` Michal Hocko
2017-03-02 10:53 ` mm allocation failure and hang when running xfstests generic/269on xfs Tetsuo Handa
2017-03-02 12:24 ` mm allocation failure and hang when running xfstests generic/269 on xfs Brian Foster
2017-03-02 12:49 ` Michal Hocko
2017-03-02 13:00 ` Brian Foster
2017-03-02 13:07 ` Tetsuo Handa
2017-03-02 13:27 ` Michal Hocko
2017-03-02 13:41 ` Brian Foster
2017-03-02 13:50 ` Michal Hocko
2017-03-02 14:23 ` Brian Foster
2017-03-02 14:34 ` Michal Hocko
2017-03-02 14:51 ` Brian Foster
2017-03-02 15:14 ` Michal Hocko
2017-03-02 15:30 ` Brian Foster
2017-03-02 15:45 ` [PATCH 1/2] xfs: allow kmem_zalloc_greedy to fail Michal Hocko
2017-03-02 15:45 ` [PATCH 2/2] xfs: back off from kmem_zalloc_greedy if the task is killed Michal Hocko
2017-03-02 15:49 ` Christoph Hellwig
2017-03-02 15:59 ` Brian Foster
2017-03-02 15:49 ` [PATCH 1/2] xfs: allow kmem_zalloc_greedy to fail Christoph Hellwig
2017-03-02 15:59 ` Brian Foster
2017-03-02 16:16 ` Michal Hocko
2017-03-02 16:44 ` Darrick J. Wong
2017-03-03 22:54 ` Dave Chinner
2017-03-03 23:19 ` Darrick J. Wong
2017-03-04 4:48 ` Dave Chinner
2017-03-06 13:21 ` Michal Hocko
2017-03-02 15:47 ` mm allocation failure and hang when running xfstests generic/269 on xfs Michal Hocko
2017-03-02 15:47 ` Christoph Hellwig
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=25dc5032-db32-5814-cabe-14e015302423@huawei.com \
--to=liubo95@huawei.com \
--cc=hch@infradead.org \
--cc=linux-fsdevel@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=linux-xfs@vger.kernel.org \
--cc=mhocko@suse.com \
--cc=xzhou@redhat.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox