From: Jiri Slaby <jslaby@suse.cz>
To: Tejun Heo <tj@kernel.org>, Dmitry Vyukov <dvyukov@google.com>
Cc: Marcel Holtmann <marcel@holtmann.org>,
Gustavo Padovan <gustavo@padovan.org>,
Johan Hedberg <johan.hedberg@gmail.com>,
"David S. Miller" <davem@davemloft.net>,
linux-bluetooth@vger.kernel.org, netdev <netdev@vger.kernel.org>,
LKML <linux-kernel@vger.kernel.org>,
syzkaller <syzkaller@googlegroups.com>,
Kostya Serebryany <kcc@google.com>,
Alexander Potapenko <glider@google.com>,
Sasha Levin <sasha.levin@oracle.com>,
Eric Dumazet <edumazet@google.com>, Takashi Iwai <tiwai@suse.com>
Subject: Re: net/bluetooth: workqueue destruction WARNING in hci_unregister_dev
Date: Fri, 19 Feb 2016 11:20:18 +0100 [thread overview]
Message-ID: <56C6EC62.8080107@suse.cz> (raw)
In-Reply-To: <20160218174427.GG13177@mtj.duckdns.org>
On 02/18/2016, 06:44 PM, Tejun Heo wrote:
> Hello,
>
> Can you please do the followings?
>
> 1. Remove WQ_MEM_RECLAIM from the affected workqueue and see whether
> the problem is reproducible. WQ_MEM_RECLAIM on anything bluetooth
> doesn't make sense btw. Why is it there?
>
> 2. If WQ_MEM_RECLAIM makes the issue go away, see whether the attached
> patch works too.
Hello,
1. didn't help, the problem persists. So I haven't applied the patch from 2.
thanks,
--
js
suse labs
WARNING: multiple messages have this Message-ID (diff)
From: Jiri Slaby <jslaby-AlSwsSmVLrQ@public.gmane.org>
To: Tejun Heo <tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Dmitry Vyukov <dvyukov-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
Cc: Marcel Holtmann <marcel-kz+m5ild9QBg9hUCZPvPmw@public.gmane.org>,
Gustavo Padovan <gustavo-THi1TnShQwVAfugRpC6u6w@public.gmane.org>,
Johan Hedberg
<johan.hedberg-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
"David S. Miller" <davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org>,
linux-bluetooth-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
netdev <netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
LKML <linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
syzkaller <syzkaller-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org>,
Kostya Serebryany <kcc-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>,
Alexander Potapenko
<glider-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>,
Sasha Levin <sasha.levin-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>,
Eric Dumazet <edumazet-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>,
Takashi Iwai <tiwai-IBi9RG/b67k@public.gmane.org>
Subject: Re: net/bluetooth: workqueue destruction WARNING in hci_unregister_dev
Date: Fri, 19 Feb 2016 11:20:18 +0100 [thread overview]
Message-ID: <56C6EC62.8080107@suse.cz> (raw)
In-Reply-To: <20160218174427.GG13177-qYNAdHglDFBN0TnZuCh8vA@public.gmane.org>
On 02/18/2016, 06:44 PM, Tejun Heo wrote:
> Hello,
>
> Can you please do the followings?
>
> 1. Remove WQ_MEM_RECLAIM from the affected workqueue and see whether
> the problem is reproducible. WQ_MEM_RECLAIM on anything bluetooth
> doesn't make sense btw. Why is it there?
>
> 2. If WQ_MEM_RECLAIM makes the issue go away, see whether the attached
> patch works too.
Hello,
1. didn't help, the problem persists. So I haven't applied the patch from 2.
thanks,
--
js
suse labs
next prev parent reply other threads:[~2016-02-19 10:20 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-26 11:53 net/bluetooth: workqueue destruction WARNING in hci_unregister_dev Dmitry Vyukov
2016-01-26 12:29 ` Dmitry Vyukov
2016-02-18 14:00 ` Jiri Slaby
2016-02-18 14:22 ` Dmitry Vyukov
2016-02-18 17:44 ` Tejun Heo
2016-02-19 10:20 ` Jiri Slaby [this message]
2016-02-19 10:20 ` Jiri Slaby
2016-02-19 12:10 ` Jiri Slaby
2016-03-02 15:45 ` Tejun Heo
2016-03-03 9:12 ` Jiri Slaby
2016-03-03 9:12 ` Jiri Slaby
2016-03-11 17:12 ` Tejun Heo
2016-03-17 12:00 ` Jiri Slaby
2016-03-17 12:00 ` Jiri Slaby
2016-03-18 20:52 ` Tejun Heo
2016-03-18 20:52 ` Tejun Heo
2016-03-21 15:58 ` Jiri Slaby
2016-03-22 8:09 ` Jiri Slaby
2016-03-22 8:09 ` Jiri Slaby
2016-03-22 12:32 ` Dmitry Vyukov
2016-03-22 12:32 ` Dmitry Vyukov
2016-09-03 10:58 ` Dmitry Vyukov
2016-09-05 13:08 ` Tejun Heo
2016-09-05 13:14 ` Dmitry Vyukov
2016-09-10 9:33 ` Dmitry Vyukov
2016-09-13 15:35 ` Tejun Heo
2016-09-13 18:14 ` Jiri Slaby
2016-09-13 18:14 ` Jiri Slaby
2016-09-16 20:24 ` Tejun Heo
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=56C6EC62.8080107@suse.cz \
--to=jslaby@suse.cz \
--cc=davem@davemloft.net \
--cc=dvyukov@google.com \
--cc=edumazet@google.com \
--cc=glider@google.com \
--cc=gustavo@padovan.org \
--cc=johan.hedberg@gmail.com \
--cc=kcc@google.com \
--cc=linux-bluetooth@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=marcel@holtmann.org \
--cc=netdev@vger.kernel.org \
--cc=sasha.levin@oracle.com \
--cc=syzkaller@googlegroups.com \
--cc=tiwai@suse.com \
--cc=tj@kernel.org \
/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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.