On Wed, Jun 05, 2013 at 01:57:25PM +0200, Stefan Pietsch wrote: > On 19.05.2013 14:32, Gleb Natapov wrote: > > On Sun, May 19, 2013 at 02:00:31AM +0100, Ben Hutchings wrote: > >> Dear KVM maintainers, it appears that there is a gap in x86 emulation, > >> at least on a 32-bit host. Stefan found this when running GRML, a live > >> distribution which can be downloaded from: > >> <http://download.grml.org/grml32-full_2013.02.iso>. His original > >> reported is at <http://bugs.debian.org/707257>. > >> > > Can you verify with latest linux.git HEAD? It works for me there on > > 64bit. There were a lot of problems fixed in this area in 3.9/3.10 time frame, > > so it would be helpful if you'll test 32bit before I install one myself. > > > Kernel version 3.9.4-1 (linux-image-3.9-1-686-pae) made things worse. > > The virtual machine tries to boot the kernel, but stops after a few > seconds and the kern.log shows: At what point does it stop? > > kernel: [13851.000412] kvm [7482]: vcpu0 disabled perfctr wrmsr: 0xc1 > data 0xffff > That's harmless. > > virtual machine was started with: > qemu-system-i386 -machine accel=kvm -m 512 -cdrom grml32-full_2013.02.iso > > qemu-system-x86: 1.5.0+dfsg-3 -- Gleb. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html