From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hedi Berriche Date: Fri, 27 Aug 2010 18:20:39 +0000 Subject: Re: Serious problem with ticket spinlocks on ia64 Message-Id: <20100827182039.GC18967@zorg.emea.sgi.com> List-Id: References: <201008271537.35709.ptesarik@suse.cz> <987664A83D2D224EAE907B061CE93D53015D91D029@orsmsx505.amr.corp.intel.com> <201008271916.30369.ptesarik@suse.cz> In-Reply-To: <201008271916.30369.ptesarik@suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Petr Tesarik Cc: "Luck, Tony" , "linux-ia64@vger.kernel.org" , "linux-kernel@vger.kernel.org" On Fri, Aug 27, 2010 at 18:16 Petr Tesarik wrote: | On Friday 27 of August 2010 18:08:03 Luck, Tony wrote: | > > Hedi Berriche sent me a simple test case that can | > > trigger the failure on the siglock. | > | > Can you post the test case please. How long does it typically take | > to reproduce the problem? | | I let Hedi send it. It's really easy to reproduce. In fact, I can reproduce it | within 5 minutes on an 8-CPU system. Test case provided via private email. Cheers, Hedi. -- Hedi Berriche Global Product Support http://www.sgi.com/support