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Message-Id: <1447936902.1986892.444251921.3928A049@webmail.messagingengine.com> Date: Thu, 19 Nov 2015 13:41:42 +0100 From: Hannes Frederic Sowa <hannes@...essinduktion.org> To: "Stefan Priebe - Profihost AG" <s.priebe@...fihost.ag>, Florian Weimer <fweimer@...hat.com> Cc: Thomas Gleixner <tglx@...utronix.de>, netdev@...r.kernel.org, linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: Asterisk deadlocks since Kernel 4.1 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 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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