Re: [Xen-devel] unstable network trouble

[Gerd Knorr <kraxel@xxxxxxx>]

> There does seem to be a problem with the hotplug scripts either not running at
> all or bailing out early.
Hmm, no, seems to be a missing hotplug event.

I've added a debug line to xen-backend.rules:

SUBSYSTEM=="xen-backend", RUN+="/bin/logger -p daemon.debug -- 
xen-backend: $env{ACTION} %k"
A successfull start looks like this:

  Oct 27 17:34:50 master-xen logger: xen-backend: add vbd-19-768
  Oct 27 17:34:50 master-xen logger: xen-backend: add vbd-19-832
  Oct 27 17:34:50 master-xen logger: xen-backend: add vif-19-0
  Oct 27 17:34:50 master-xen logger: xen-backend: online vif-19-0

With broken network the "online" event is missing:

  Oct 27 17:35:31 master-xen logger: xen-backend: add vbd-20-832
  Oct 27 17:35:31 master-xen logger: xen-backend: add vbd-20-768
  Oct 27 17:35:31 master-xen logger: xen-backend: add vif-20-0

Oh, and btw, reboot doesn't work all the time either.  Sometimes the 
domain comes up again as it should, and sometimes it doesn't.
cheers,

  Gerd

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