On 26.03.2011 10:15, Avi Kivity wrote: > On 03/25/2011 11:32 AM, Tomasz Chmielewski wrote: >> I got this on a 2.6.38.1 system which (I think) had some problem >> accessing guest image on a btrfs filesystem. >> >> >> general protection fault: 0000 [#1] SMP (...) > 0: 55 push %rbp > 1: 48 89 e5 mov %rsp,%rbp > 4: 41 55 push %r13 > 6: 41 54 push %r12 > 8: 53 push %rbx > 9: 48 83 ec 08 sub $0x8,%rsp > d: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) > 12: 45 31 e4 xor %r12d,%r12d > 15: 48 89 fb mov %rdi,%rbx > 18: 49 89 f5 mov %rsi,%r13 > 1b: eb 1d jmp 0x3a > 1d: 0f 1f 00 nopl (%rax) > 20: f6 06 01 testb $0x1,(%rsi) > > > Looks like the top 16 bits of %rsi are flipped. > > Also wierd to see a fork(). What's your qemu command line? /usr/bin/kvm -monitor unix:/var/run/qemu-server/113.mon,server,nowait -vnc unix:/var/run/qemu-server/113.vnc,password -pidfile /var/run/qemu-server/113.pid -daemonize -usbdevice tablet -name swcache -smp sockets=1,cores=1 -nodefaults -boot menu=on -vga cirrus -tdf -k de -drive file=/var/lib/vz/template/iso/systemrescuecd-x86-2.0.0.iso,if=ide,index=2,media=cdrom -drive file=/var/lib/vz/images/113/vm-113-disk-1.raw,if=scsi,index=0,cache=none,boot=on -m 1024 -netdev type=tap,id=vlan0d0,ifname=tap113i0d0,script=/var/lib/qemu-server/bridge-vlan,vhost=on -device virtio-net-pci,mac=DE:42:48:50:D8:69,netdev=vlan0d0 -netdev type=tap,id=vlan100d0,ifname=tap113i100d0,script=/var/lib/qemu-server/bridge-vlan,vhost=on -device virtio-net-pci,mac=72:D2:6E:8E:07:4D,netdev=vlan100d0 -- Tomasz Chmielewski http://wpkg.org -- 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