[Xen-users] Xen and LVM snapshots on FC4

[Taneli Leppä <taneli@xxxxxxxxxx>]

Hello,

I've tried to make Xen and LVM snapshots work with RHEL3 (upgraded
to FC4 partly, using FC4 kernel 2.6.12-1.1387_FC4, xen-2-20050522
installed from RPM). I had a problem where non-snapshot LVM images
worked, but as soon as I create a snapshot of one and tried to use that,
I would get a crash like this as soon as I booted up a Xen domain:

Freeing unused kernel memory: 160k freed
request_module: runaway loop modprobe binfmt-7489
request_module: runaway loop modprobe binfmt-7489
request_module: runaway loop modprobe binfmt-7489
request_module: runaway loop modprobe binfmt-7489
request_module: runaway loop modprobe binfmt-7489

Xen log showed that it was hanging here:
[2005-08-09 14:56:43 xend] DEBUG (blkif:203) Connecting blkif to event 
channel <BlkifBackendInterface 11 0> ports=14:3
Also relevant to my setup is that LVM is running on a software
RAID1 partition.

The issue causing this problem:
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=152162

The patch that's included in the Bugzilla report seems to fix
this problem.

--
  Taneli Leppä         | Crasman Co Ltd
  <taneli@xxxxxxxxxx>  | <http://www.crasman.fi/>

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