On Tue, 12 Jul 2011, Itamar Reis Peixoto wrote:
my rawhide kernel is crashing atfer some time.
Is your kernel 32-bit. If so there is a known issue someone on xen-devel noticed (though it may be more than just dom0 kernels). There is a patch at https://lkml.org/lkml/2011/7/12/150
Michael Young