From mboxrd@z Thu Jan 1 00:00:00 1970 From: Konrad Rzeszutek Wilk Subject: Re: Questions about GPLPV stability tests Date: Tue, 13 Dec 2011 16:20:32 -0500 Message-ID: <20111213212031.GA8410@konrad-lan> References: <20111208234624.GD32474@konrad-lan> <20111211125247.GQ12984@reaktio.net> <20111213020229.GB2730@konrad-lan> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <20111213020229.GB2730@konrad-lan> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Roderick Colenbrander Cc: xen-devel@lists.xensource.com, Andreas Kinzler List-Id: xen-devel@lists.xenproject.org > > Does this feel like blktap issues? Or is it more likely that something > > else happened which causes blktap and the other things to fail? > > It looks like the interrupts stopped. Perhaps you can run the C code > (attached) on the serial console and see _what_ (or perhaps _when_) > the interrupts stops (and also verify that the timeouts and 'frozen' > happen due to no interrupts being received). The C code is http://darnok.org/xen/read_interrupts.c > > There are a couple of bugs that were discovered in the interrupt code > (that had been there since 2.6.27!) that went to the stable tree - so > they should been backported to 2.6.32.x tree - but I honestly don't > recall the names. I can look them up tomorrow. xen: x86_32: do not enable iterrupts when returning from exception in interrupt context (git commit d198d499148a0c64a41b3aba9e7dd43772832b91)