Kenni, On Thu, Apr 23, 2009 at 07:21:34PM +0200, Kenni Lund wrote: > Hi > > When updating to kernel 2.6.29.1, I'm unable to boot my Windows XP Pro 32bit > guest. The problem is consistent (actually on both of my laptops, with two > different WinXP guests) and it is fixed immediately when downgrading to > kernel 2.6.28.8 or an older kernel version. > > > Scenario: > I'm booting the guest with the command > qemu-kvm -smp 2 -m 1024 -net nic -net user -daemonize -vnc :1 -hda > /data/virtualization/winxp.img -boot c > > I connect with VNC and see the QEMU BIOS, followed by the Windows menu which > lets me select if I want to boot Windows in safe mode or not. It counts down > from 30, but when it get to 0 or once I hit the "Start Windows Normally" it > freezes and nothing more happens. > > The following is written to dmesg when qemu-kvm is launched: > kvm: 4609: cpu1 unhandled wrmsr: 0xc0010117 data 0 > kvm: 4609: cpu0 unhandled wrmsr: 0xc0010117 data 0
This message are supposedly harmless (and you should also see them with 2.6.28.8). Can you try the kvm-85 modules? Can't spot anything obvious between 2.6.28->2.6.29 which would cause such breakage. > Further information: > KVM version: 84+85 (userspace only, kernel modules from stock kernel) > > I've tested -no-kvm-irqchip and -no-kvm-pit as the bugs-page describes, but > it doesn't make a difference. > > Adding -no-kvm actually FIXES the issue and make Windows boot...so it doesn't > seem to be QEMU related. > > # uname -a > Linux T61 2.6.29-ARCH #1 SMP PREEMPT Fri Apr 17 12:46:01 UTC 2009 i686 > Intel(R) Core(TM)2 Duo CPU T7250 @ 2.00GHz GenuineIntel GNU/Linux > > # lsmod|grep kvm > kvm_intel 39208 0 > kvm 144944 1 kvm_intel > > > Is this a known problem with this kernel version? If not, what can I do to > help debugging it further? -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
