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From: Hannes Frederic Sowa <hannes@stressinduktion.org>
To: "Stefan Priebe - Profihost AG" <s.priebe@profihost.ag>,
	Florian Weimer <fweimer@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>,
	netdev@vger.kernel.org, linux-fsdevel@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: Asterisk deadlocks since Kernel 4.1
Date: Thu, 19 Nov 2015 13:41:42 +0100	[thread overview]
Message-ID: <1447936902.1986892.444251921.3928A049@webmail.messagingengine.com> (raw)
In-Reply-To: <564DB5F5.9060208@profihost.ag>

On Thu, Nov 19, 2015, at 12:43, Stefan Priebe - Profihost AG wrote:
> 
> Am 19.11.2015 um 12:41 schrieb Hannes Frederic Sowa:
> > On Thu, Nov 19, 2015, at 10:56, Stefan Priebe - Profihost AG wrote:
> >> OK it had a livelock again. It just took more time.
> >>
> >> So here is the data:
> > 
> > Thanks, I couldn't reproduce it so far with simple threaded resolver
> > loop on your kernel. :/
> > 
> > Your data is useless if you don't also provide the file descriptor which
> > you are blocking on right now. ;)
> > 
> > Thanks,
> > Hannes
> 
> ah sorry. So we need the gdb backtrace with the rcvmsg and then the fd
> list + netlink list?

Yes, albeit the probability we find something new is minimal. We already
know it blocks deep down in netlink code. I tried to reproduce it in
multithreaded environment with no results so far. Can you even try a
newer kernel?

Bye,
Hannes

  reply	other threads:[~2015-11-19 12:41 UTC|newest]

Thread overview: 45+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-11-17 14:44 Asterisk deadlocks since Kernel 4.1 Stefan Priebe - Profihost AG
2015-11-17 19:15 ` Thomas Gleixner
2015-11-17 19:27   ` Stefan Priebe
2015-11-17 19:43     ` Thomas Gleixner
2015-11-18 20:23       ` Stefan Priebe
2015-11-18 21:00         ` Hannes Frederic Sowa
2015-11-18 21:20           ` Stefan Priebe
2015-11-18 21:22             ` Hannes Frederic Sowa
2015-11-19  9:35               ` Stefan Priebe - Profihost AG
2015-11-18 21:18         ` Florian Weimer
2015-11-18 21:23           ` Stefan Priebe
2015-11-19  9:39             ` Florian Weimer
2015-11-18 21:36           ` Stefan Priebe
2015-11-18 21:40             ` Hannes Frederic Sowa
2015-11-18 21:42               ` Stefan Priebe
2015-11-18 21:58                 ` Hannes Frederic Sowa
2015-11-19  9:44             ` Florian Weimer
2015-11-19  9:49               ` Stefan Priebe - Profihost AG
2015-11-19  9:56                 ` Stefan Priebe - Profihost AG
2015-11-19 11:41                   ` Hannes Frederic Sowa
2015-11-19 11:43                     ` Stefan Priebe - Profihost AG
2015-11-19 12:41                       ` Hannes Frederic Sowa [this message]
2015-11-19 12:46                         ` Stefan Priebe - Profihost AG
2015-11-19 13:19                           ` Florian Weimer
2015-11-19 19:51                             ` Stefan Priebe
2015-11-23 12:44                               ` Stefan Priebe - Profihost AG
2015-11-23 12:57                                 ` Hannes Frederic Sowa
2015-11-24 13:35                                   ` Stefan Priebe - Profihost AG
2015-12-02  9:45                                   ` Stefan Priebe - Profihost AG
2015-12-02 11:40                                     ` Hannes Frederic Sowa
2015-12-02 17:51                                       ` Philipp Hahn
2015-12-03  8:23                                       ` Stefan Priebe - Profihost AG
2015-12-04 18:26                                       ` Stefan Priebe
2015-12-05  1:08                                         ` Herbert Xu
2015-12-06 20:56                                           ` Stefan Priebe
2015-12-07  1:20                                             ` Herbert Xu
2015-12-07  6:58                                               ` Stefan Priebe - Profihost AG
2015-12-08  6:13                                                 ` netlink: Add missing goto statement to netlink_insert Herbert Xu
2015-12-08 16:21                                                   ` David Miller
2015-12-09  3:29                                                   ` Greg KH
2015-12-07  7:41                                             ` Asterisk deadlocks since Kernel 4.1 Philipp Hahn
2015-12-05 14:19                                       ` Philipp Matthias Hahn
2015-12-05 15:34                                         ` Stefan Priebe
2015-12-02 17:15                                     ` Philipp Hahn
2015-12-02 18:23                                       ` Hannes Frederic Sowa

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