Bug#616441: linux-image-2.6.32-5-xen-686: NETDEV WATCHDOG: usb0 (cdc_subset): transmit queue 0 timed out
On Fri, Mar 04, 2011 at 03:05:39PM +0000, Ben Hutchings wrote:
> On Fri, Mar 04, 2011 at 03:44:04PM +0100, Ferenc Wagner wrote:
> > Package: linux-2.6
> > Version: 2.6.32-30
> > Severity: minor
> >
> > Hi,
> >
> > usb0 is a "crosslink" between two such machines for heartbeat purposes.
> > The below warning appeared when the node on the other end was executing
> > a reboot, right after its heartbeat process (reading/writing the other
> > end of the crosslink) shut down. It does not happen on each such event,
> > though, so I can't readily reproduce it, but if may be feasible if
> > somebody knows what and how to press. It hasn't got any obvious adverse
> > effect on the operation of the machines.
>
> This is quite possibly a hardware bug. Does the driver successfully
> recover after this warning?
>
> You may find it easier to reproduce if you use the packet generator to
[...]
That's the "pktgen" module which is documented at
<http://www.kernel.org/doc/Documentation/networking/pktgen.txt>.
Ben.
--
Ben Hutchings
We get into the habit of living before acquiring the habit of thinking.
- Albert Camus
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