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Re: [Xen-devel] Unable to create VM with nic device on Arndale



On Fri, Jan 17, 2014 at 7:01 PM, Ian Campbell <Ian.Campbell@xxxxxxxxxx> wrote:


> vif-bridge and the common scripts which it includes would be a good
> start. Just an echo at the top to confirm that the script is running
> would be useful.
>
> I used to do "exec 1>/tmp/hotplug.log 2>&1" at the top to aid debugging
> when these scripts were launched by udev, but now that libxl runs them
> you may find that the debug from the script comes out on stdout/err of
> the xl create command so perhaps that isn't needed any more.
>
>> headless here.
>
> That shouldn't matter, you are looking for output from userspace
> scripts, not kernel or hypervisor logs.
>
> Ian.
>

Hi Ian
I suspect for 4.4.0, the network devices even was not detected.
this is output from 4.3.1, notes follow lines.

libxl: debug: libxl_device.c:959:device_hotplug: calling hotplug
script: /etc/xen/scripts/vif-bridge online
dlan: vif-bridge start
dlan: vif-common start

dlan: vif-bridge start -> output from vif-bridge script
dlan: vif-common start -> output from vif-common.sh script


-------- logs -----
libxl: debug: libxl_qmp.c:299:qmp_handle_response: message type: return
libxl: debug: libxl_event.c:559:libxl__ev_xswatch_register: watch
w=0x62ab58 wpath=/local/domain/0/backend/vif/7/0/
state token=3/1: register slotnum=3
libxl: debug: libxl_event.c:503:watchfd_callback: watch w=0x62ab58
wpath=/local/domain/0/backend/vif/7/0/state toke
n=3/1: event epath=/local/domain/0/backend/vif/7/0/state
libxl: debug: libxl_event.c:647:devstate_watch_callback: backend
/local/domain/0/backend/vif/7/0/state wanted state
 2 still waiting state 1
libxl: debug: libxl_event.c:503:watchfd_callback: watch w=0x62ab58
wpath=/local/domain/0/backend/vif/7/0/state toke
n=3/1: event epath=/local/domain/0/backend/vif/7/0/state
libxl: debug: libxl_event.c:643:devstate_watch_callback: backend
/local/domain/0/backend/vif/7/0/state wanted state
 2 ok
libxl: debug: libxl_event.c:596:libxl__ev_xswatch_deregister: watch
w=0x62ab58 wpath=/local/domain/0/backend/vif/7/
0/state token=3/1: deregister slotnum=3
libxl: debug: libxl_event.c:608:libxl__ev_xswatch_deregister: watch
w=0x62ab58: deregister unregistered
libxl: debug: libxl_device.c:959:device_hotplug: calling hotplug
script: /etc/xen/scripts/vif-bridge online
dlan: vif-bridge start
dlan: vif-common start
libxl: debug: libxl_event.c:1747:libxl__ao_progress_report: ao
0x62a570: progress report: callback queued aop=0x62b
560
libxl: debug: libxl_event.c:1569:libxl__ao_complete: ao 0x62a570: complete, rc=0
libxl: debug: libxl_event.c:1160:egc_run_callbacks: ao 0x62a570:
progress report: callback aop=0x62b560

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