On Mon, Mar 17, 2008 at 05:30:21PM -0400, Ross S. W. Walker wrote: > Tim Verhoeven wrote: > > On Mon, Mar 17, 2008 at 8:05 PM, Nathan Grennan > > <centos at cygnusx-1.org> wrote: > > > I have a CentOS 5.1 dom0 running on a machine with two cores and 4gb > > > of memory. It runs three 4.6 domUs and one 5.1 domU. Just out of the > > > blue the other night all the 4.6 domUs crashed, but the dom0 stayed up. > > > I ran xm console (domU-name) and got the Oops information below. I > > > didn't get anything from the 5.1 domU. I think it had been rebooted a > > > few days before and hadn't come up because of a initrd issue. > > > > > > First 4.6 domU: > > > > > > kernel BUG at arch/i386/mm/pgtable-xen.c:306! > > ...snip... > > > > Hi, I'm moving this thread to the CentOS-virt mailinglist (please > > remove the centos mailinglist to everyone replying to this mail) since > > it is more suited for these kind of questions. > > > > Question, If I read those crashes correctly your 4.6 domU is a 32 bit > > one ? What platform is your dom0 32 or 64 bit? Running a 32 bit domU > > on a 64 bit dom0 is currently not really stable. This is suppose to > > improve with 5.2 > > I agree with Tim. I have just about the same setup as you at > home, dual core, 4GB and I am running x86_64 with 32bit domUs > and the only way I was able to get them to run reliably was > using the Xen 3.2 from xen.org. > > I hope 5.2 finally moves completely over to 3.2 with all it's > features instead of this Frankenstein version it has where it > glues the Xen 3.0.3 user land tools onto a highly patched 3.1 > hypervisor forcing the user to try and use their swiss army > knife libvirt to manage the mess. Ugh! I just want Xen and > to manage it through Xen! > el 5.2 will be based on xen 3.1.2 _hypervisor_ at least that's what upstream says in the release notes.. https://www.redhat.com/archives/rhelv5-list/2008-March/msg00111.html "+ Xen hypervisor rebase to 3.1.2" package list / changes: xen: 3.0.3-41.el5 -> 3.0.3-55.el5 So yeah.. :) -- Pasi