[Xen-devel] Another one with "Hotplug scripts not working"

[Michael Holzt <kju-xen@xxxxxxxx>]

Searching the archives and web i've learned that this error has occured for
other users as well. I already did quite a bit of debugging but can't figure
out what the problem might be.

I'm running Xen unstable (changeset 8002) on an AMD64 server (rented from
1&1). I've patched the 2.6.12.6 kernel with a custom patch to get network
and disk adapter running, but i'm certain that this is not the source of
the problem.

Domain 0 is running Debian AMD64 unstable. Hotplug and udev are installed
and running. I can not get any DomU running, as i always get the famous
"Error: Device 0 (vif) could not be connected. Hotplug scripts not working".

I verified that the hotplug scripts are called by inserting a line
'logger "xen-backend xenbus_type:$XENBUS_TYPE script:$script action:$ACTION"'
to the beginning of /etc/hotplug/xen-backend.agent.

Here are the relevant logfile excerpts:

1. syslog:
Nov 25 00:51:39 nereus logger: /etc/xen/scripts/block: add 
XENBUS_PATH=backend/vbd/8/2049
Nov 25 00:51:39 nereus logger: /etc/xen/scripts/block: Writing 
backend/vbd/8/2049/physical-device 0xfd00 backend/vbd/8/2049/node 
/dev/vg/fast.fqdn.org.root to xenstore.
Nov 25 00:51:39 nereus logger: /etc/xen/scripts/block: Writing 
backend/vbd/8/2049/hotplug-status connected to xenstore.
Nov 25 00:51:39 nereus logger: xen-backend xenbus_type:vif script: action:add
Nov 25 00:51:39 nereus logger: /etc/xen/scripts/vif-route: online 
XENBUS_PATH=backend/vif/8/0
Nov 25 00:51:39 nereus logger: xen-backend xenbus_type:vbd script: action:add
Nov 25 00:51:39 nereus logger: /etc/xen/scripts/block: add 
XENBUS_PATH=backend/vbd/8/2049
Nov 25 00:51:39 nereus logger: /etc/xen/scripts/block: Writing 
backend/vbd/8/2049/physical-device 0xfd00 backend/vbd/8/2049/node 
/dev/vg/fast.fqdn.org.root to xenstore.
Nov 25 00:51:39 nereus logger: /etc/xen/scripts/block: Writing 
backend/vbd/8/2049/hotplug-status connected to xenstore. 
Nov 25 00:51:44 nereus logger: xen-backend xenbus_type:vif 
script:/etc/xen/scripts/vif-route action:online
Nov 25 00:51:44 nereus logger: /etc/xen/scripts/vif-route: online 
XENBUS_PATH=backend/vif/8/0

2. xend.log:
[2005-11-25 00:51:39 xend] DEBUG (DevController:88) Waiting for devices vif.
[2005-11-25 00:51:39 xend] DEBUG (DevController:94) Waiting for 0.
[2005-11-25 00:51:39 xend] DEBUG (DevController:361) hotplugStatusCallback 
/local/domain/0/backend/vif/8/0/hotplug-status.
[2005-11-25 00:51:44 xend] ERROR (SrvBase:87) Request wait_for_devices failed.

Any help appreciated. I'm a developer with Debian, so i can also do some
more debugging if you point me to locations to check. Thank you.

Regards
Michael

-- 
      It's an insane world, but i'm proud to be a part of it. -- Bill Hicks

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