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Re: Asterisk deadlocks since Kernel 4.1

From Stefan Priebe <s.priebe@profihost.ag>
Newsgroups linux.kernel
Subject Re: Asterisk deadlocks since Kernel 4.1
Date 2015-11-18 22:30 +0100
Message-ID <qwisG-br-21@gated-at.bofh.it> (permalink)
References (1 earlier) <qvTXk-J9-13@gated-at.bofh.it> <qvU6Z-N7-3@gated-at.bofh.it> <qvUqm-TY-13@gated-at.bofh.it> <qwhwC-7V2-27@gated-at.bofh.it> <qwi9k-8vZ-25@gated-at.bofh.it>
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Am 18.11.2015 um 22:00 schrieb Hannes Frederic Sowa:
>
>
> On Wed, Nov 18, 2015, at 21:23, Stefan Priebe wrote:
>>
>> Am 17.11.2015 um 20:43 schrieb Thomas Gleixner:
>>> On Tue, 17 Nov 2015, Stefan Priebe wrote:
>>>> I've now also two gdb backtraces from two crashes:
>>>> http://pastebin.com/raw.php?i=yih5jNt8
>>>>
>>>> http://pastebin.com/raw.php?i=kGEcvH4T
>>>
>>> They don't tell me anything as I have no idea of the inner workings of
>>> asterisk. You might be better of to talk to the asterisk folks to help
>>> you track down what that thing is waiting for, so we can actually look
>>> at a well defined area.
>>
>> The asterisk guys told me it's a livelock asterisk is waiting for
>> getaddrinfo / recvmsg.
>>
>> Thread 2 (Thread 0x7fbe989c6700 (LWP 12890)):
>> #0  0x00007fbeb9eb487d in recvmsg () from /lib/x86_64-linux-gnu/libc.so.6
>> #1  0x00007fbeb9ed4fcc in ?? () from /lib/x86_64-linux-gnu/libc.so.6
>> #2  0x00007fbeb9ed544a in ?? () from /lib/x86_64-linux-gnu/libc.so.6
>> #3  0x00007fbeb9e92007 in getaddrinfo () from
>> /lib/x86_64-linux-gnu/libc.so.6
>
> Florian Weimer recently patched glibc to detect filedescriptors which
> have been reused incorrectly in the glibc name resolving routines:
> <https://sourceware.org/ml/libc-alpha/2015-10/msg00865.html>
>
> Could you determine the type of filedescriptor in /proc/pid/fd and
> /proc/net/netlink by matching inodes?

you mean just:
la /proc/$pid/fd

and

cat /proc/net/netlink

Stefan

> Thanks,
> 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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