From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Thu, 21 May 2015 18:34:40 +0200 From: Gilles Chanteperdrix Message-ID: <20150521163440.GM10686@hermes.click-hack.org> References: <20150513203301.GC6169@csclub.uwaterloo.ca> <20150513203743.GG3759@hermes.click-hack.org> <20150513203833.GD6169@csclub.uwaterloo.ca> <20150514162351.GE6169@csclub.uwaterloo.ca> <20150514162831.GH3759@hermes.click-hack.org> <20150514164745.GF6169@csclub.uwaterloo.ca> <20150514193433.GG6169@csclub.uwaterloo.ca> <20150521163208.GL6169@csclub.uwaterloo.ca> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20150521163208.GL6169@csclub.uwaterloo.ca> Subject: Re: [Xenomai] 3.14 hangs with ipipe patch applied List-Id: Discussions about the Xenomai project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Lennart Sorensen Cc: xenomai@xenomai.org On Thu, May 21, 2015 at 12:32:08PM -0400, Lennart Sorensen wrote: > On Thu, May 14, 2015 at 03:34:33PM -0400, Lennart Sorensen wrote: > > I managed to confirm that jiffies is in fact stuck at the boot time > > -300000 value. Now if I could only track down what code is supposed to > > increment it. The code I found (do_timer called by xtime_update) does > > not appear to get called by anyone. > > I have narrowed it down. If I apply the ipipe patch except for > drivers/irqchip/irq-gic.c then it still boots. > > So only about 200 lines of patch left to investigate. > > I guess the reason the timer ticks were not happening was that no > interrupts were happening. There is no need to guess that, it can be verified easily. -- Gilles.