HOST
====

% cat /etc/debian_version 
squeeze/sid


% dpkg-query -W | egrep
'linux|kvm|vde|python|libc6|iproute|bridge|adduser|libaio'
adduser                     3.112
bridge-utils                1.4-5
iproute                     20100519-3
kvm                         1:0.12.5+dfsg-1
libaio1                     0.3.107-7
libc6                       2.11.2-2
libc6-i386                  2.11.2-2
libselinux1                 2.0.96-1
libvdeplug2                 2.2.3-3
linux-base                  2.6.32-20
linux-image-2.6.32-5-amd64  2.6.32-20
linux-image-amd64           2.6.32+28
python                      2.6.5-13
python-minimal              2.6.5-13
python-reportbug            4.12.6
python-support              1.0.9
python2.6                   2.6.6~rc1-1
python2.6-minimal           2.6.6~rc1-1
qemu-kvm                    0.12.5+dfsg-1
util-linux                  2.17.2-3.1


% cat /etc/libvirt/qemu/source/s15.xml
<domain type='kvm'>
  <name>s15</name>
  <uuid>92dfd544-9638-11df-b6c6-18a905632d8c</uuid>
  <memory>1048576</memory>
  <vcpu cpuset='0-5'>1</vcpu>
  <os>
    <type arch='x86_64' machine='pc-0.12'>hvm</type>
    <boot dev='hd'/>
    <boot dev='cdrom'/>
  </os>
  <features>
    <acpi/>
    <apic/>
    <pae/>
  </features>
  <clock offset='utc'/>
  <on_poweroff>destroy</on_poweroff>
  <on_reboot>restart</on_reboot>
  <on_crash>restart</on_crash>
  <devices>
    <emulator>/usr/bin/kvm</emulator>
    <disk type='file' device='cdrom'>
      <source file='/var/lib/libvirt/iso/grml64'/>
      <target dev='hda' bus='ide'/>
      <readonly/>
    </disk>
    <disk type='block' device='disk'>
      <source dev='/dev/vg_hansolo_dom/vm_s15'/>
      <target dev='vda' bus='virtio'/>
    </disk>
    <interface type='bridge'>
      <mac address='52:54:00:1e:ef:9f'/>
      <source bridge='kvm0'/>
      <model type='virtio'/>
    </interface>
    <serial type='pty'>
      <target port='0'/>
    </serial>
    <console type='pty'>
      <target port='0'/>
    </console>
    <graphics type='vnc' port='5915' autoport='no' keymap='de'/>
  </devices>
</domain>


% virsh define /etc/libvirt/qemu/source/s15.xml
Domain s15 defined from /etc/libvirt/qemu/source/s15.xml


% virsh start s15
Domain s15 started


(ssh into s15 and generate some traffic, e.g. update-pciids)


% tail -f /var/log/libvirt/qemu/s15.log
LC_ALL=C PATH=/usr/local/sbin:/usr/local/bin:/sbin:
/bin:/usr/sbin:/usr/bin HOME=/ QEMU_AUDIO_DRV=none 
/usr/bin/kvm -S -M pc-0.12 -enable-kvm -m 1024
-smp 1,sockets=1,cores=1,threads=1 -name s15
-uuid 92dfd544-9638-11df-b6c6-18a905632d8c -nodefaults
-chardev socket,id=monitor,path=/var/lib/libvirt/qemu
/s15.monitor,server,nowait -mon chardev=monitor,mode=readline
-rtc base=utc -boot cd -drive file=/var/lib/libvirt/
iso/grml64,if=none,media=cdrom,id=drive-ide0-0-0,
readonly=on,format=raw -device ide-drive,bus=ide.0,
unit=0,drive=drive-ide0-0-0,id=ide0-0-0 -drive file=
/dev/vg_hansolo_dom/vm_s15,if=none,id=drive-virtio-disk0,
boot=on,format=raw -device virtio-blk-pci,bus=pci.0,
addr=0x4,drive=drive-virtio-disk0,id=virtio-disk0
-device virtio-net-pci,vlan=0,id=net0,
mac=52:54:00:1e:ef:9f,bus=pci.0,addr=0x3
-net tap,fd=64,vlan=0,name=hostnet0 -chardev pty,id=serial0
-device isa-serial,chardev=serial0 -usb -vnc 127.0.0.1:15
-k de -vga cirrus -device virtio-balloon-pci,id=balloon0,
bus=pci.0,addr=0x5 
char device redirected to /dev/pts/2
virtio-net truncating packet


GUEST
=====

Stock Lenny, no 3rd-party Packages installed.

% cat /etc/debian_version 
5.0.5


% dpkg-query -W | egrep 'linux|python|libc6|iproute|adduser'
adduser                     3.110
iproute                     20080725-2
libc6                       2.7-18lenny4
libselinux1                 2.0.65-5
linux-image-2.6-amd64       2.6.26+17+lenny1
linux-image-2.6.26-2-amd64  2.6.26-24lenny1
python                      2.5.2-3
python-minimal              2.5.2-3
python2.5                   2.5.2-15+lenny1
python2.5-minimal           2.5.2-15+lenny1
util-linux                  2.13.1.1-1


Running grml64 2010.04 (Grmlmonster) with 2.6.33-grml64 on the
same VM with virtio network the problem can't be reproduced by me.

It seems the problem lies with lenny kernel running inside the VM.

Marcel.



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