On Wed, Jun 05, 2013 at 02:51:19PM +0200, Stefan Pietsch wrote: > On 05.06.2013 14:10, Gleb Natapov wrote: > > 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? > > > The machine stops at: > > Performance Events: Broken PMU hardware detected, using software events > only. > Failed to access perfctr msr (MSR c1 is 0) > Enabling APIC mode: Flat. Using 1 I/O APICs Timer initialization is what comes next. I tried 32bit kernel compiled from kvm.git "next" (3.10.0-rc2+) branch and upstream qemu and I cannot reproduce the problem. The guest boots fine. -- 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
