From: Peter Zijlstra <peterz@infradead.org>
To: Fengguang Wu <fengguang.wu@intel.com>
Cc: Jet Chen <jet.chen@intel.com>, Su Tao <tao.su@intel.com>,
Yuanhan Liu <yuanhan.liu@intel.com>, LKP <lkp@01.org>,
linux-kernel@vger.kernel.org,
Marcel Holtmann <marcel@holtmann.org>,
Peter Hurley <peter@hurleysoftware.com>
Subject: Re: [rfcomm_run] WARNING: CPU: 1 PID: 79 at kernel/sched/core.c:7156 __might_sleep()
Date: Thu, 2 Oct 2014 13:09:27 +0200 [thread overview]
Message-ID: <20141002110927.GE2849@worktop.programming.kicks-ass.net> (raw)
In-Reply-To: <20140930080228.GD9561@wfg-t540p.sh.intel.com>
On Tue, Sep 30, 2014 at 04:02:28PM +0800, Fengguang Wu wrote:
> Hi Peter,
>
> We possibly find a rfcomm bug (maintainers CCed) exposed by your debug patch
>
> [ 1.861895] NET: Registered protocol family 5
> [ 1.862978] Bluetooth: RFCOMM TTY layer initialized
> [ 1.863099] ------------[ cut here ]------------
> [ 1.863105] WARNING: CPU: 1 PID: 79 at kernel/sched/core.c:7156 __might_sleep+0x17d/0x1a1()
> [ 1.863112] do not call blocking ops when !TASK_RUNNING; state=1 set at [<c14dc381>] rfcomm_run+0xdf/0x130e
> [ 1.863591] [<c1058b73>] ? kthread_stop+0x53/0x53
> [ 1.864906] [<c155a411>] dump_stack+0x48/0x60
> [ 1.866298] [<c14dc381>] ? rfcomm_run+0xdf/0x130e
Ha yes, rfcomm_run is a complete buggy mess indeed. Lemme go see what I
can make of it.
next parent reply other threads:[~2014-10-02 11:09 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20140930080228.GD9561@wfg-t540p.sh.intel.com>
2014-10-02 11:09 ` Peter Zijlstra [this message]
2014-10-02 12:31 ` [rfcomm_run] WARNING: CPU: 1 PID: 79 at kernel/sched/core.c:7156 __might_sleep() Peter Zijlstra
2014-10-02 12:38 ` Peter Hurley
2014-10-02 12:54 ` Peter Zijlstra
2014-10-02 13:05 ` Peter Hurley
2014-10-02 13:41 ` Peter Zijlstra
2014-10-02 12:42 ` Peter Zijlstra
2014-10-02 13:49 ` Peter Hurley
2014-10-02 13:52 ` Peter Zijlstra
2014-10-02 13:58 ` Peter Zijlstra
2014-10-02 14:16 ` Peter Hurley
2014-10-02 16:57 ` Peter Zijlstra
2014-10-02 19:18 ` Oleg Nesterov
2014-10-02 19:11 ` Oleg Nesterov
2014-10-02 19:49 ` Peter Hurley
2014-10-02 19:57 ` Peter Zijlstra
2014-10-02 20:10 ` Oleg Nesterov
2014-10-03 11:50 ` Peter Zijlstra
2014-10-03 17:56 ` Oleg Nesterov
2014-10-03 19:30 ` Oleg Nesterov
2014-10-04 8:42 ` Peter Zijlstra
2014-10-06 0:25 ` Oleg Nesterov
2014-10-06 9:19 ` Peter Zijlstra
2014-10-06 10:59 ` Paul E. McKenney
2014-10-06 16:21 ` Oleg Nesterov
2014-10-04 8:44 ` Peter Zijlstra
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=20141002110927.GE2849@worktop.programming.kicks-ass.net \
--to=peterz@infradead.org \
--cc=fengguang.wu@intel.com \
--cc=jet.chen@intel.com \
--cc=linux-kernel@vger.kernel.org \
--cc=lkp@01.org \
--cc=marcel@holtmann.org \
--cc=peter@hurleysoftware.com \
--cc=tao.su@intel.com \
--cc=yuanhan.liu@intel.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;
as well as URLs for NNTP newsgroup(s).