[Xen-users] DomU (CentOS) on Dom0 (Debian) can't find /sys/block/sda/dev

[Michael Morris <mike@xxxxxxxxxx>]

Hi,

I'm running Debian Etch (unstable) as my host OS on AMD64 architecture,
and I've installed Dom0 without many problems.  I'm trying to boot a
CentOS4 DomU (as a logical volume) without much success.  The following
is the output to standard out including a few lines before errors begin:

pci_hotplug: PCI Hot Plug PCI Core version: 0.5
shpchp: Standard Hot Plug PCI Controller Driver version: 0.4
SCSI subsystem initialized
3ware 9000 Storage Controller device driver for Linux v2.26.02.007.
register_blkdev: cannot get major 8 for sd
/bin/cat: /sys/block/sda/dev: No such file or directory
Waiting 1 seconds for /sys/block/sda/dev to show up
/bin/cat: /sys/block/sda/dev: No such file or directory
Waiting 2 seconds for /sys/block/sda/dev to show up
/bin/cat: /sys/block/sda/dev: No such file or directory
Waiting 4 seconds for /sys/block/sda/dev to show up
/bin/cat: /sys/block/sda/dev: No such file or directory
Waiting 8 seconds for /sys/block/sda/dev to show up
/bin/cat: /sys/block/sda/dev: No such file or directory
Waiting 16 seconds for /sys/block/sda/dev to show up
/bin/cat: /sys/block/sda/dev: No such file or directory
Device /sys/block/sda/dev seems to be down.
Debugging opportunity, type ^D to continue.
/bin/dash: can't access tty; job control turned off
#

I've been unable to do anything promising with the debugging
opportunity.  I've tried configuring DomU with both the xen-tools
package, and manually.
The following is my DomU config file at /etc/xen/test.cfg:

kernel  = '/boot/vmlinuz-2.6.16-2-xen-amd64-k8'
ramdisk = '/boot/initrd.img-2.6.16-xen'
memory  = '96'
root    = '/dev/sda1 ro'
disk    = [ 'phy:Debian/test-disk,sda1,w',
           'phy:Debian/test-swap,sda2,w' ]
name    = 'test'
vif  = [ 'ip=10.1.2.115' 'bridge=xenbr0' ]
on_poweroff = 'destroy'
on_reboot   = 'restart'
on_crash    = 'restart'

I haven't found anything useful on Google, although I did find a few
people with the same problem.
I would appreciate any suggestions on how to get my DomU to boot, or
requests for more information.

______________
Mike Morris
mike@xxxxxxxxxx


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