[Bug 42829] KVM Guest with virtio network driver loses network connectivity

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https://bugzilla.kernel.org/show_bug.cgi?id=42829





--- Comment #4 from Steve <stefan.bosak@xxxxxxxxx>  2012-03-01 15:22:53 ---
Thank you for information.

On host I used last updated:
----------------------------
kernel from:
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git

qemu-kvm from:
git://git.kernel.org/pub/scm/virt/kvm/qemu-kvm.git

seabios from:
git://git.seabios.org/seabios.git

used compiler, libs & other stuff:
gcc-4.7.0 (feb 2012)
glibc-2.14.1-r2
bridge-utils-1.5
iproute2-3.1.0
ethtool-3.2

On guest I can proceed this:
----------------------------
1) test case one - kernel before <v3.0 = v2.6.39
   - generate huge traffic betweeen host and guest
   - make short analyse
   - create report & append to this ticket
2) test case two - kernel =v3.0
   - generate huge traffic betweeen host and guest
   - make short analyse
   - create report & append to this ticket
3) test case three - last kernel =v3.3-rc5+
   - generate huge traffic betweeen host and guest
   - make short analyse
   - create report & append to this ticket

In all test cases host system will be the same (kernel and other stuff).
Described test cases will be proceed today 01/march/2012 during evening hours.

I would like to help solve above problem ASAP.
Let me know how could I help in any time.

Thank you for your time.

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