From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ian Molton Date: Tue, 23 Jul 2013 10:53:16 +0000 Subject: Re: EMEV2: debugging a Strange IRQ issue on SMP Message-Id: <51EE609C.6000304@codethink.co.uk> List-Id: References: <51ED68B8.3070302@codethink.co.uk> In-Reply-To: <51ED68B8.3070302@codethink.co.uk> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-sh@vger.kernel.org On 22/07/13 18:15, Ian Molton wrote: > Hi guys, > > I'm currently attempting to debug strange interrupt handling behaviour > on EMEV2. > > I and Ben Dooks undertook a port of much of the EMEV2 (mach-emxx) to > 2.6.39 a couple of weeks ago, and I recall having dealt with similar > problems before, although they went away with some patches that fixed > the pl310 cache controller behaviour. > Update: I am seeing this periodically with nosmp - about one in every 10 boots. -Ian