From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bill Davidsen Subject: Re: Talking about regressions... Date: Tue, 16 Jan 2007 23:17:09 -0500 Message-ID: <45ADA345.2080702@tmr.com> References: <45AA63B2.5060900@mr511.de> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: To: kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org In-Reply-To: <45AA63B2.5060900-0QoEqw4nQxo@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Errors-To: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: kvm.vger.kernel.org Michael Riepe wrote: > When I did a couple of tests the other day, I noticed that one or more > bugs must have been introduced at least into the vmx part in kvm-10: > > - netbsd 3.1 used to work with kvm-9. In kvm-10, the system hangs during > boot. One of the last things I can see is that a shell process dies with > a SIGSEGV. Then the load rises to 100% (sys) on the host and stays there > until I kill qemu (yes I've waited several minutes). I got DragonFly BSD to work with kvm-10, no tricks and no issues. If that's a data point... > > - opensolaris displays a "Time of Day clock error" during boot, claiming > the clock has jumped by 0x5 (no unit given, I suppose that means > seconds). Everything else seems to work. > > - qemu-puppy-2.13-1 sometimes works and sometimes hangs somewhere inside > the initial ramdisk. The exact place seems to differ, but usually it > happens while the kernel modules are loaded. Again, host load rises to > 100%. An older version (2.01-3) still works fine. kvm-9 works, too. I'll try that tomorrow, but previously Puppy worked. > > (Core Duo T2400, 32-bit SMP host, 32-bit guest, Linux 2.6.19 + kvm trunk > revision 4290) > > Any idea what to look for? The SIGSEGV on netbsd makes me suspect that > there's a problem with the page tables, but I couldn't narrow down the > cause yet. > ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys - and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV