Re: Cdrom on Linux domU PV

[Fantu <fantonifabio@tiscali.it>]

Thanks

I have rebuild xen to latest revistion, now:
Dom0 is Squeeze 6.0.4 64 bit with kernel 2.6.32-5-xen-amd64 version
2.6.32-41, xen from xen-unstable.hg changeset 24709:8ba7ae0b070b

--------------------------------
DomU Mint 11 (based on Natty - Ubuntu 11.04):
udev           167-0ubuntu3
linux-image-2.6.38-8-generic           2.6.38-8.42

With iso cdrom, on xl file configuration:
'/mnt/vm/iso/precise.iso,raw,xvdb,ro,cdrom' 

udevadm info --query=all --path /block/xvdb
P: /devices/vbd-51728/block/xvdb
N: xvdb
S: disk/by-path/xen-vbd-51728
S: disk/by-label/Ubuntu\x2012.04\x20LTS\x20amd64
E: UDEV_LOG=3
E: DEVPATH=/devices/vbd-51728/block/xvdb
E: MAJOR=202
E: MINOR=16
E: DEVNAME=/dev/xvdb
E: DEVTYPE=disk
E: SUBSYSTEM=block
E: ID_PATH=xen-vbd-51728
E: ID_PART_TABLE_TYPE=dos
E: ID_FS_LABEL=Ubuntu_12.04_LTS_amd64
E: ID_FS_LABEL_ENC=Ubuntu\x2012.04\x20LTS\x20amd64
E: ID_FS_TYPE=iso9660
E: ID_FS_USAGE=filesystem
E: UDISKS_PRESENTATION_NOPOLICY=1
E: DEVLINKS=/dev/disk/by-path/xen-vbd-51728
/dev/disk/by-label/Ubuntu\x2012.04\x20LTS\x20amd64

/lib/udev/cdrom_id /dev/xvdb
Give no output

In attachment there are complete output of xenstore-ls and strace of
cdrom_id
http://xen.1045712.n5.nabble.com/file/n5469490/MINT11.txt MINT11.txt 
With strace I see how cdrom capability is at 0
--------------------------------

--------------------------------
DomU Mint 12 (based on Oneiric - Ubuntu 11.10):
udev           173-0ubuntu4.1
linux-image-3.0.0-13-generic           3.0.0-13.22 

With iso cdrom, on xl file configuration:
'/mnt/vm/iso/precise.iso,raw,xvdb,ro,cdrom'

udevadm info --query=all --path /block/xvdb
P: /devices/vbd-51728/block/xvdb
N: xvdb
S: disk/by-path/xen-vbd-51728
S: disk/by-label/Ubuntu\x2012.04\x20LTS\x20amd64
S: cdrom
E: UDEV_LOG=3
E: DEVPATH=/devices/vbd-51728/block/xvdb
E: MAJOR=202
E: MINOR=16
E: DEVNAME=/dev/xvdb
E: DEVTYPE=disk
E: SUBSYSTEM=block
E: ID_CDROM=1
E: ID_PATH=xen-vbd-51728
E: ID_PATH_TAG=xen-vbd-51728
E: ID_FS_LABEL=Ubuntu_12.04_LTS_amd64
E: ID_FS_LABEL_ENC=Ubuntu\x2012.04\x20LTS\x20amd64
E: ID_FS_TYPE=iso9660
E: ID_FS_USAGE=filesystem
E: ID_PART_TABLE_TYPE=dos
E: GENERATED=1
E: UDISKS_PRESENTATION_NOPOLICY=1
E: DEVLINKS=/dev/disk/by-path/xen-vbd-51728
/dev/disk/by-label/Ubuntu\x2012.04\x20LTS\x20amd64 /dev/cdrom
E: TAGS=:udev-acl:

/lib/udev/cdrom_id /dev/xvdb
ID_CDROM=1

In attachment there are complete output of xenstore-ls
http://xen.1045712.n5.nabble.com/file/n5469490/MINT12.txt MINT12.txt 
--------------------------------

Soon I'll try again next version of Ubuntu now in  alpha status (12.04 LTS)
and if the problem about cdrom is of distribution I will report it on
launchpad, I had already searched the forums and launchpad about it without
getting resolved.

--
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