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Re: Asterisk deadlocks since Kernel 4.1

From Hannes Frederic Sowa <hannes@stressinduktion.org>
Newsgroups linux.kernel
Subject Re: Asterisk deadlocks since Kernel 4.1
Date 2015-11-19 13:50 +0100
Message-ID <qwwP0-VP-5@gated-at.bofh.it> (permalink)
References (7 earlier) <qwu0N-7xT-7@gated-at.bofh.it> <qwu0N-7xT-5@gated-at.bofh.it> <qwuat-7Bg-5@gated-at.bofh.it> <qwvSV-iU-1@gated-at.bofh.it> <qwvSV-iU-7@gated-at.bofh.it>
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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
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Thread

Asterisk deadlocks since Kernel 4.1 Stefan Priebe - Profihost AG <s.priebe@profihost.ag> - 2015-11-17 15:50 +0100
  Re: Asterisk deadlocks since Kernel 4.1 Thomas Gleixner <tglx@linutronix.de> - 2015-11-17 20:20 +0100
    Re: Asterisk deadlocks since Kernel 4.1 Stefan Priebe <s.priebe@profihost.ag> - 2015-11-17 20:30 +0100
      Re: Asterisk deadlocks since Kernel 4.1 Thomas Gleixner <tglx@linutronix.de> - 2015-11-17 20:50 +0100
        Re: Asterisk deadlocks since Kernel 4.1 Stefan Priebe <s.priebe@profihost.ag> - 2015-11-18 21:30 +0100
          Re: Asterisk deadlocks since Kernel 4.1 Hannes Frederic Sowa <hannes@stressinduktion.org> - 2015-11-18 22:10 +0100
            Re: Asterisk deadlocks since Kernel 4.1 Stefan Priebe <s.priebe@profihost.ag> - 2015-11-18 22:30 +0100
              Re: Asterisk deadlocks since Kernel 4.1 Hannes Frederic Sowa <hannes@stressinduktion.org> - 2015-11-18 22:30 +0100
                Re: Asterisk deadlocks since Kernel 4.1 Stefan Priebe - Profihost AG <s.priebe@profihost.ag> - 2015-11-19 10:40 +0100
          Re: Asterisk deadlocks since Kernel 4.1 Florian Weimer <fweimer@redhat.com> - 2015-11-18 22:20 +0100
            Re: Asterisk deadlocks since Kernel 4.1 Stefan Priebe <s.priebe@profihost.ag> - 2015-11-18 22:30 +0100
              Re: Asterisk deadlocks since Kernel 4.1 Florian Weimer <fweimer@redhat.com> - 2015-11-19 10:40 +0100
            Re: Asterisk deadlocks since Kernel 4.1 Stefan Priebe <s.priebe@profihost.ag> - 2015-11-18 22:40 +0100
              Re: Asterisk deadlocks since Kernel 4.1 Hannes Frederic Sowa <hannes@stressinduktion.org> - 2015-11-18 22:50 +0100
                Re: Asterisk deadlocks since Kernel 4.1 Stefan Priebe <s.priebe@profihost.ag> - 2015-11-18 22:50 +0100
                Re: Asterisk deadlocks since Kernel 4.1 Hannes Frederic Sowa <hannes@stressinduktion.org> - 2015-11-18 23:00 +0100
              Re: Asterisk deadlocks since Kernel 4.1 Stefan Priebe - Profihost AG <s.priebe@profihost.ag> - 2015-11-19 10:50 +0100
                Re: Asterisk deadlocks since Kernel 4.1 Stefan Priebe - Profihost AG <s.priebe@profihost.ag> - 2015-11-19 11:00 +0100
                Re: Asterisk deadlocks since Kernel 4.1 Hannes Frederic Sowa <hannes@stressinduktion.org> - 2015-11-19 12:50 +0100
                Re: Asterisk deadlocks since Kernel 4.1 Stefan Priebe - Profihost AG <s.priebe@profihost.ag> - 2015-11-19 12:50 +0100
                Re: Asterisk deadlocks since Kernel 4.1 Hannes Frederic Sowa <hannes@stressinduktion.org> - 2015-11-19 13:50 +0100
                Re: Asterisk deadlocks since Kernel 4.1 Stefan Priebe - Profihost AG <s.priebe@profihost.ag> - 2015-11-19 13:50 +0100
                Re: Asterisk deadlocks since Kernel 4.1 Florian Weimer <fweimer@redhat.com> - 2015-11-19 14:20 +0100
                Re: Asterisk deadlocks since Kernel 4.1 Stefan Priebe <s.priebe@profihost.ag> - 2015-11-19 21:00 +0100
                Re: Asterisk deadlocks since Kernel 4.1 Stefan Priebe - Profihost AG <s.priebe@profihost.ag> - 2015-11-23 13:50 +0100
                Re: Asterisk deadlocks since Kernel 4.1 Hannes Frederic Sowa <hannes@stressinduktion.org> - 2015-11-23 14:00 +0100
                Re: Asterisk deadlocks since Kernel 4.1 Stefan Priebe - Profihost AG <s.priebe@profihost.ag> - 2015-11-24 14:40 +0100
              Re: Asterisk deadlocks since Kernel 4.1 Florian Weimer <fweimer@redhat.com> - 2015-11-19 10:50 +0100

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