From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <50F6CCCE.2050801@siemens.com> Date: Wed, 16 Jan 2013 16:52:46 +0100 From: Jan Kiszka MIME-Version: 1.0 References: <50F6C3EE.1020508@siemens.com> <50F6C657.2060503@xenomai.org> <50F6C781.2060407@siemens.com> In-Reply-To: <50F6C781.2060407@siemens.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Subject: Re: [Xenomai] ipipe: fix domain migration helper List-Id: Discussions about the Xenomai project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Philippe Gerum Cc: Xenomai On 2013-01-16 16:30, Jan Kiszka wrote: > On 2013-01-16 16:25, Philippe Gerum wrote: >> On 01/16/2013 04:14 PM, Jan Kiszka wrote: >>> Hi Philippe, >>> >>> a first heads-up, maybe you have an idea before I start debugging: That >>> patch causes troubles when our application shuts down. The main thread >>> hangs like this, unkillable: >>> >> >> It looks like the LO_WAKEUP_REQ virtual interrupt does not reach the >> handler. > > Hmm, lostage queue overflow? We used to carry some detection patch (to > make the existing detector unconditional), not sure what happened to it. > Will dig in this direction first. No queue overflow. And you can immediately trigger it on x86-64 with latency e.g. I have this now in my VM, but a different bug on real HW is calling which has higher prio. Will come back to this ASAP. Jan -- Siemens AG, Corporate Technology, CT RTC ITP SDP-DE Corporate Competence Center Embedded Linux