** Package changed: qemu-kvm (Ubuntu) => linux (Ubuntu)
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Bridged Guests losing network connectivity
https://bugs.launchpad.net/bugs/633392
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Ubuntu-server-bugs mailin
> You think this is an issue with the kernel?
Did you get a chance to run this test with libvirt shut down? If so,
then the kernel and hardware are the only thing left in the equation.
If not, then it's not inconceivable, but unlikely, that libvirt is
periodically doing something nefarious. Is t
Serge,
It takes anywhere from maybe 10-30 minutes during the tests I ran, but
it always happens.
You think this is an issue with the kernel?
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Bridged Guests losing network connectivity
https://bugs.launchpad.net/bugs/633392
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Quoting Andrew Klettke (633...@bugs.launchpad.net):
> Serge,
>
> Something different happens with this. Now, I get the network
> instability that I saw before with SSH sessions exiting with "Broken
> Pipe", and the netcat session you showed in the link just hangs.
How quickly does it do that? I
Serge,
Something different happens with this. Now, I get the network
instability that I saw before with SSH sessions exiting with "Broken
Pipe", and the netcat session you showed in the link just hangs.
If I try to re-SSH into the box, however, it works again. It looks like
the same thing that wa
Hi,
I want to see if we can prove that this is purely a bridging problem. Could
you follow
the recipe at
https://bugs.launchpad.net/ubuntu/+source/qemu-kvm/+bug/616064/comments/33
(but attaching veth0 to br0 instead of virbr0)?
If this also loses connectivity, then we can pin it down to either
Serge,
No luck, still having the same issues with the new kernel.
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Bridged Guests losing network connectivity
https://bugs.launchpad.net/bugs/633392
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Ubuntu-server-
I'd try the pre-proposed lucid kernels, see:
https://launchpad.net/~kernel-ppa/+archive/pre-proposed
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Bridged Guests losing network connectivity
https://bugs.launchpad.net/bugs/633392
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Serge,
Yes, I want to be able to lock down guests to a specific NIC, this is
needed for VLAN segregation, as well as physical diversity.
Turning on STP makes no difference, the bug occurs regardless.
Which kernel should I try to install and run first?
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Bridged Guests losing network connecti
Here is the netstart script:
#!/bin/sh -
#
# $OpenBSD: netstart,v 1.129 2010/01/12 07:43:41 henning Exp $
# Strip comments (and leading/trailing whitespace if IFS is set)
# from a file and spew to stdout
stripcom() {
local _l
[[ -f $1 ]] || return
while read _l; do
Thanks very much for opening this bug.
Can you append the /etc/netstart script from openbsd here?
I notice that while you have the libvirt-defined virbr0, your VM is using
a hand-build br0 (which has stp off). Is there any particular reason for
this? It looks like you want the guests locked in
** Changed in: qemu-kvm (Ubuntu)
Importance: Undecided => High
** Changed in: qemu-kvm (Ubuntu)
Assignee: (unassigned) => Serge Hallyn (serge-hallyn)
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Bridged Guests losing network connectivity
https://bugs.launchpad.net/bugs/633392
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