[Bug 997978] Re: KVM images lose connectivity with bridged network

[Serge Hallyn]

@Georg,

have you found any more about the relation to acpi?

@Stephane,

in your case it would certainly seem to be a bug in either the guest
kernel or the virtual nic driver, as with the original bug submitter.
Can you try switching to a different virtual nic type, i.e.

   model type='ne2k_pci'

Also if it is possible for you to run a test on a quantal host, which
has a much newer qemu-kvm, that would be interesting.  Can you tell me
in numbers how heavy traffic needs to be before the VM drops out?  Is it
traffic to the VM which freezes that VM, or does any traffic to the host
or any VM threaten to freeze any VM.

@Christian,

several people have piped in on this bug.  I'm not certain about yours,
but this bug in particular is in qemu itself (or perhaps, though
unlikely, the kernel).

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https://bugs.launchpad.net/bugs/997978

Title:
  KVM images lose connectivity with bridged network

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