[Libguestfs] libguestfs on Debian 6 squeeze problems

[Zoltan]

Thanks for your help!

I installed a new kernel from squeeze-backports:
linux-image-3.2.0-0.bpo.1-amd64/squeeze-backports uptodate 3.2.4-1~bpo60+1
and libguestfs works fine now!

Zoltan

On 5/21/2012 3:15 PM, Richard W.M. Jones wrote:
> [Hilko is in the best position to answer these questions.  My own
> comments below]
>
> On Mon, May 21, 2012 at 02:04:40PM +0200, Zoltan wrote:
>> I'm trying to install libguestfs on Debian squeeze installed from
>> http://people.debian.org/~bengen/libguestfs/
>> It does not work. Here are the details:
>>
>> I was able to install libguestfs-tools and its dependencies.
>> However, aptitude removed the following two packages: qemu and
>> qemu-system. I'm not sure if it's okay or not. If I try to install
>> those packages back, I get the following:
>>
>> # aptitude install qemu qemu-system
>> The following NEW packages will be installed:
>>    qemu qemu-system{b}
>> 0 packages upgraded, 2 newly installed, 0 to remove and 0 not upgraded.
>> Need to get 16.6 MB of archives. After unpacking 50.9 MB will be used.
>> The following packages have unmet dependencies:
>>    qemu-system: Depends: openbios-ppc (>= 1.0+svn1018) but
>> 1.0+svn640-1 is installed.
>>                 Depends: openbios-sparc (>= 1.0+svn1018) but
>> 1.0+svn640-1 is installed.
>>
>> My first question is, is this normal? Do I need the qemu and
>> qemu-system packages installed? What about these openbios
>> dependencies?
> libguestfs requires a recent qemu, and kernel>= 2.6.34.
>
> Specifically it needs the virtio-serial feature of qemu and the
> kernel.  You can check if qemu has virtio-serial by doing:
>
>    $ qemu -device \? 2>&1 | grep virtio-serial
>    name "virtio-serial-pci", bus PCI, alias "virtio-serial"
>    name "virtserialport", bus virtio-serial-bus
>    name "virtconsole", bus virtio-serial-bus
>
> where you may need to replace 'qemu' by whatever name your qemu/KVM
> binary is really called.
>
> You can check if your kernel was compiled with virtio-serial by
> looking at /boot/config-* and checking for CONFIG_VIRTIO_CONSOLE=(y|m)
>
>> The next problem I have encountered: When I installed
>> libguestfs-tools, aptitude also installed the cryptsetup (
>> cryptsetup/squeeze uptodate 2:1.1.3-4squeeze2 ) package as a
>> dependency. Since then, every time I run update-initramfs, I get
>> this:
> libguestfs uses host tools (such as cryptsetup) to process disk images
> (encrypted disk images in this case).  So it depends on many host
> tools of this sort.
>
>> # update-initramfs -u
>> update-initramfs: Generating /boot/initrd.img-2.6.32-5-amd64
>> cryptsetup: WARNING: failed to detect canonical device of /dev/md1
>> cryptsetup: WARNING: could not determine root device from /etc/fstab
>>
>> I use RAID1 arrays md1 and md3 on my system. I googled "cryptsetup:
>> WARNING: failed to detect canonical device" and "cryptsetup:
>> WARNING: could not determine root device" to no avail. I mean, some
>> other people get these warnings too, but I haven't find any solution
>> to get rid of these warning messages. Since these are just warnings,
>> I guess I can just ignore these?
>>
>>
>> Now, back to the main issue: libguestfs does not work! When I run
>> libguestfs-test-tool, it stops with the following error:
>>
>> Failed to connect to virtio-serial channel.
>>
>> This is a fatal error and the appliance will now exit.
>>
>> Usually this error is caused by either QEMU or the appliance
>> kernel not supporting the vmchannel method that the
>> libguestfs library chose to use.  Please run
>> 'libguestfs-test-tool' and provide the complete, unedited
>> output to the libguestfs developers, either in a bug report
>> or on the libguestfs redhat com mailing list.
> This indicates too old qemu and/or kernel.
>
>> When I try to use the virt-filesystems tool, after about 2-3 seconds
>> it stops with an error message that says:
>>
>> # virt-filesystems -a myimagefile.img
>> libguestfs: error: guestfs_launch failed, see earlier error messages
>>
>> Then in the log files I see these:
>>
>> libvirtd: 04:49:11.561: warning : qemudStartup:1832 : Unable to
>> create cgroup for driver: No such device or address
>> libvirtd: 04:49:11.729: warning : lxcStartup:1900 : Unable to create
>> cgroup for driver: No such device or address
>>
>> Basically, none of the libguestfs tools work on my Debian squeeze
>> system... What can I do to make libguestfs install properly?
> You need to get newer qemu and/or kernel.
>
>> I thought that maybe I should install a newer Linux kernel from
>> backports? Currently I use the following squeeze kernel:
>> linux-image-2.6.32-5-amd64/squeeze uptodate 2.6.32-45
>>
>> Do I need to install 3.x kernel for libguestfs ?
>>
>> BTW, the following packages are installed from the squeeze-backports
>> (or Bengen's) repository on my system:
>>
>> febootstrap/squeeze uptodate 3.14-2~bpo60+1
>> ipxe/squeeze uptodate 1.0.0+git-2.149b50-1~bpo60+1
>> kvm/squeeze uptodate 1:0.14.1+dfsg-4~bpo60+1
>> libguestfs0/squeeze uptodate 1:1.16.17-1~bpo60+1
>> libguestfs-perl/squeeze uptodate 1:1.16.17-1~bpo60+1
>> libguestfs-tools/squeeze uptodate 1:1.16.17-1~bpo60+1
>> qemu-keymaps/squeeze uptodate 0.14.1+dfsg-3~bpo60+1
>> qemu-kvm/squeeze uptodate 0.14.1+dfsg-4~bpo60+1
>> qemu-user/squeeze uptodate 0.14.1+dfsg-3~bpo60+1
>> qemu-utils/squeeze uptodate 0.14.1+dfsg-3~bpo60+1
>> seabios/squeeze uptodate 1.6.3-2~bpo60+1
>> vgabios/squeeze uptodate 0.7a-1~bpo60+1
>>
>> Do I miss something?
>>
>> I would really appreciate if someone can point me to the right
>> direction! Thanks!
> Rich.