On 9/18/07, Steve Gaarder <[log in to unmask]> wrote: > What kernel should I be using for a guest OS under SL5's Xen? The kernel > that works in Domain 0 does not seem to work in other domains. > > thanks, > > Steve Gaarder Efforts have been made in the CentOS community to develop kernels optimized for virtualized guests. One major issue is the kernel's frequency timer. The default for kernel 2.6 is 1000Hz. Reducing it to 100Hz solves some clock problems and improves the performance. The 100Hz kernels for CentOS seem to load fine in SL (tried with a CentOS 5 x86_64 100Hz kernel in a SL 5.0 x86_64 vmware guest). However, I do not know if these kernels have been tested with Xen. See: http://bugs.centos.org/view.php?id=2189 for details. Akemi