From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jacob Gorm Hansen <jacobg@diku.dk>
Subject: Connecting a physical disk with xenstore
Date: Thu, 29 Sep 2005 19:36:00 +0200
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Reply-To: Jacob Gorm Hansen <jacobg@diku.dk>
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hi,

I am trying to get my domU booting with Xenstore. I am using the
following script:

vm-create 1
dom=3D1
vm-memory -m $dom 64m
vm-memory -i $dom 16m

vm-xs \
    vm-xs /domain/0/domid 0 \
    vm-xs /domain/0/vm 0 \
    vm-xs /domain/0/domain 0 \
    vm-xs /domain/0/backend [] \
    vm-xs /domain/0/device [] \
    \
    /domain/1/device/vbd/769/virtual-device 769 \
    /domain/1/device/vbd/769/backend-id 0 \
    /domain/1/device/vbd/769/backend /domain/0/backend/vbd/1/769 \
    /domain/0/backend/vbd/1/769/domain ExampleDomain \
    /domain/0/backend/vbd/1/769/params hda1 \
    /domain/0/backend/vbd/1/769/frontend-id 1 \
    /domain/0/backend/vbd/1/769/type phy \
    /domain/0/backend/vbd/1/769/read-only \
    /domain/0/backend/vbd/1/769/frontend /domain/1/device/vbd/769

vm-build.linux -r domUinitrd $dom /vmlinux "root=3D/dev/ram
init=3D/linuxrc $1 debug console=3Dtty0"
vm-pause -u 1

However, the blkdev probe functions in neither dom0 nor domU are ever
called, causing domU to time out on waiting for blkback. I have tried
to create the domain with xm/xend where the blockdev works fine. The
script above is inspired by the xenstore trace file for that machine,
could anyone point out the missing key/values here?

Thanks,
Jacob


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