Dear kvm users/developpers,
I have a problem here where the network interface of a guest hang
2 or 3 times a day. No more packets can be sent out or received, no
error in guest or host logs. I have to stop networking, remove module,
then modprobe again and start the network to get back connection.
My setup:
host: debian etch, kernel 2.6.26 amd64 (etch backports), kvm 73, using
libvirt
guest: debian sarge, kernel 2.6.26 686 (from etch backports)
I looked at changelogs for userspace kvm tools as well as kernel but didn't
found something relevant to this problem.
Any help would be welcome :)
the guest config:
<domain type='kvm' id='7'>
<name>bar</name>
<uuid>8055f2fc-df9d-0ec2-9707-283ca503eb95</uuid>
<memory>4194304</memory>
<currentMemory>4194304</currentMemory>
<vcpu>2</vcpu>
<os>
<type>hvm</type>
<boot dev='hd'/>
</os>
<features>
<acpi/>
</features>
<clock offset='utc'/>
<on_poweroff>destroy</on_poweroff>
<on_reboot>restart</on_reboot>
<on_crash>destroy</on_crash>
<devices>
<emulator>/usr/bin/kvm</emulator>
<disk type='block' device='disk'>
<source dev='/dev/vg_foo/vm_bar'/>
<target dev='hda' bus='ide'/>
</disk>
<disk type='file' device='cdrom'>
<source file='/var/lib/kvm/isos/debian-31r0-i386-netinst.iso'/>
<target dev='hdc' bus='ide'/>
<readonly/>
</disk>
<interface type='bridge'>
<mac address='00:16:3e:02:00:15'/>
<source bridge='br0'/>
<target dev='tap5'/>
<model type='virtio'/>
</interface>
<input type='mouse' bus='ps2'/>
<graphics type='vnc' port='5905' listen='127.0.0.1' keymap='fr'/>
</devices>
</domain>
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