From: Valentin Schneider <valentin.schneider@arm.com>
To: Zhihao Cheng <chengzhihao1@huawei.com>,
LKML <linux-kernel@vger.kernel.org>,
peterz@infradead.org, Ingo Molnar <mingo@redhat.com>,
Andrew Morton <akpm@linux-foundation.org>,
patrick.bellasi@arm.com, tglx@linutronix.de
Cc: Kefeng Wang <wangkefeng.wang@huawei.com>,
"zhangyi (F)" <yi.zhang@huawei.com>
Subject: Re: [QUESTION] Hung task warning while running syzkaller test
Date: Thu, 31 Oct 2019 02:36:42 +0100 [thread overview]
Message-ID: <6d78bdbc-e4f8-7ff7-8445-c9dc07b0614a@arm.com> (raw)
In-Reply-To: <4453942d-c4f2-bbbe-64a9-4313c0fccfbf@huawei.com>
On 29/10/2019 03:25, Zhihao Cheng wrote:
> I don't know much about the freezer mechanism of CGroup, but I tried it. I turned off all the CGroup related config options and reproduced the hung task on a fresh busybox-made root file system. I added rootfs in attachment. So, I guess hung task has nothing to do with CGroup(freezer).
>
That's good to know, thanks for digging some more. I'm on the move ATM but if
I find some time I'll try to stare some more at the C reproducer.
next prev parent reply other threads:[~2019-10-31 1:36 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-14 7:03 [QUESTION] Hung task warning while running syzkaller test Zhihao Cheng
2019-10-24 13:48 ` Valentin Schneider
2019-10-25 12:50 ` Zhihao Cheng
2019-10-25 15:26 ` Valentin Schneider
2019-10-25 15:29 ` Valentin Schneider
[not found] ` <abba880d-cfa6-3485-7831-9998db290396@huawei.com>
2019-10-28 1:47 ` Zhihao Cheng
2019-10-28 17:54 ` Valentin Schneider
[not found] ` <4453942d-c4f2-bbbe-64a9-4313c0fccfbf@huawei.com>
2019-10-29 9:09 ` Zhihao Cheng
2019-10-31 1:36 ` Valentin Schneider [this message]
2019-11-13 13:55 ` Valentin Schneider
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=6d78bdbc-e4f8-7ff7-8445-c9dc07b0614a@arm.com \
--to=valentin.schneider@arm.com \
--cc=akpm@linux-foundation.org \
--cc=chengzhihao1@huawei.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@redhat.com \
--cc=patrick.bellasi@arm.com \
--cc=peterz@infradead.org \
--cc=tglx@linutronix.de \
--cc=wangkefeng.wang@huawei.com \
--cc=yi.zhang@huawei.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