From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Date: Thu, 06 Dec 2007 11:08:33 +0000 Subject: Re: Fix for sparc64 cpu hangs. Message-Id: <20071206.030833.210584737.davem@davemloft.net> List-Id: References: <20071106.203433.144763156.davem@davemloft.net> In-Reply-To: <20071106.203433.144763156.davem@davemloft.net> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: sparclinux@vger.kernel.org From: Bernd Zeimetz Date: Thu, 06 Dec 2007 11:43:45 +0100 > David Miller wrote: > > From: Bernd Zeimetz > > Date: Fri, 16 Nov 2007 22:17:07 +0100 > > > >> The sysrq-g output is attached, I hope you can make sense out of it. > >> We'll also add some extra workload to the other machines here to try to > >> trigger the bug on other CPUs, too. > > > > I just got back from my vacation and started looking at these > > dumps. I think there might be some bug in cheetah_xcall_deliver(), > > I'll try to diagnose this some more. > > I'm not sure if it is related, but non-SMP Kernels don't boot at all on > the machine. I doubt it's related as non-SMP kernels won't even have that code compiled in :-) What does a failed non-SMP boot say? If it doesn't even bring up the console, give it "-p" on the kernel command line.