Re: [Openstack] libvirt + kvm problem on ubuntu 10.04.3

[Roman Bogorodskiy]

  Roman Bogorodskiy wrote:

>   Diego Parrilla Santamaría wrote:
> 
> > Hi Roman,
> > 
> > our StackOps Distro is based in 10.04 and we had to modify some packages to
> > make  Diablo work with kvm: we changed qemu-kvm 0.12 to 0.14:
> > 
> > - qemu-common_0.14.0 and
> > - qemu-kvm_0.14.0.
> > 
> > Don't know if it can help, but you can give a try...
> 
> I actually have newer versions of that installed:
> 
> root@:/etc# dpkg -l|grep qemu
> ii  qemu-common  0.15.0+noroms-0ubuntu4 qemu common 
> functionality (bios, documentati
> ii  qemu-kvm 0.15.0+noroms-0ubuntu4 Full 
> virtualization on i386 and amd64 hardwa
> ii  qemu-utils   0.15.0+noroms-0ubuntu4 qemu utilitis
> root@:/etc# 

Turned out that older versions of seabios don't support booting from
virtio devices. The solution was to update seabios to 1.6.3.

Roman Bogorodskiy


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Re: [Openstack] libvirt + kvm problem on ubuntu 10.04.3

[Roman Bogorodskiy]

  Diego Parrilla Santamaría wrote:

> Hi Roman,
> 
> our StackOps Distro is based in 10.04 and we had to modify some packages to
> make  Diablo work with kvm: we changed qemu-kvm 0.12 to 0.14:
> 
> - qemu-common_0.14.0 and
> - qemu-kvm_0.14.0.
> 
> Don't know if it can help, but you can give a try...

I actually have newer versions of that installed:

root@:/etc# dpkg -l|grep qemu
ii  qemu-common  0.15.0+noroms-0ubuntu4 qemu common 
functionality (bios, documentati
ii  qemu-kvm 0.15.0+noroms-0ubuntu4 Full virtualization 
on i386 and amd64 hardwa
ii  qemu-utils   0.15.0+noroms-0ubuntu4 qemu utilitis
root@:/etc# 

Roman Bogorodskiy


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Re: [Openstack] libvirt + kvm problem on ubuntu 10.04.3

[Diego Parrilla Santamaría]

Hi Roman,

our StackOps Distro is based in 10.04 and we had to modify some packages to
make  Diablo work with kvm: we changed qemu-kvm 0.12 to 0.14:

- qemu-common_0.14.0 and
- qemu-kvm_0.14.0.

Don't know if it can help, but you can give a try...

Cheers
Diego

-- 
Diego Parrilla
*CEO*
*www.stackops.com | * diego.parri...@stackops.com** | +34 649 94 43 29 |
skype:diegoparrilla*
* 
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On Thu, Feb 9, 2012 at 1:59 PM, Roman Bogorodskiy wrote:

> Hi,
>
> I'm facing a strange problem with libvirt + kvm on Ubuntu 10.04.3.
>
> I have all-in-one installation of Essex-2. When I start an instance
> using 'nova boot', it shows its status as ACTIVE, but when I connect
> using vnc (by issuing 'vncdisplay' command in virsh for that instance),
> I can see it doesn't even boot and shows
>
> 'No bootable device' error.
>
> Here's the output of 'virsh dumpxml' for that instance and also
> libvirt's log file:
>
> http://dpaste.de/VeFeq/
>
> I also have a VM I spawned manually (i.e. not through on this box) and
> it works fine. Here's its log:
>
> http://dpaste.de/cp4C1/
>
> The only major difference I can see is that it's using 'boot=on' for
> drive. It's also not using kernel and initrd, but I've tried images with
> out it with the same result.
>
> I've also been experimenting with running kvm manually and found a
> reproducible crash:
>
> root@host:/var/log/libvirt/qemu# LC_ALL=C
> PATH=/usr/local/sbin:/usr/local/bin:/usr/bin:/usr/sbin:/sbin:/bin
> QEMU_AUDIO_DRV=none /usr/bin/kvm -S -M pc-0.12 -enable-kvm -m 512 -smp
> 1,sockets=1,cores=1,threads=1 -name instance-006d -uuid
> 0ce3afdc-be2f-4079-d106-e70b287f9e26 -nodefaults -chardev
>
> socket,id=charmonitor,path=/var/lib/libvirt/qemu/instance-006d.monitor,server,nowait
> -mon chardev=charmonitor,id=monitor,mode=readline -rtc base=utc -boot c
> -kernel /var/lib/nova/instances/instance-006d/kernel -initrd
> /var/lib/nova/instances/instance-006d/ramdisk -append root=/dev/vda
> -drive
>
> file=/var/lib/nova/instances/instance-006d/disk,if=none,id=drive-virtio-disk0,format=qcow2,boot=on
> -device
> virtio-blk-pci,bus=pci.0,addr=0x4,drive=drive-virtio-disk0,id=virtio-disk0
> -chardev
>
> file,id=charserial0,path=/var/lib/nova/instances/instance-006d/console.log
> -device isa-serial,chardev=charserial0,id=serial0 -chardev
> pty,id=charserial1 -device isa-serial,chardev=charserial1,id=serial1
> -usb -vnc 0.0.0.0:2 -k en-us -no-kvm
> char device redirected to /dev/pts/20
> Segmentation fault
> root@host:/var/log/libvirt/qemu#
>
> It segfaults when I'm connecting to it via VNC.
>
> I'm kind of stuck with this issue and have no idea how to debug it further.
> Any ideas how that could be fixed?
>
> Roman Bogorodskiy
>
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[Openstack] libvirt + kvm problem on ubuntu 10.04.3

[Roman Bogorodskiy]

Hi,

I'm facing a strange problem with libvirt + kvm on Ubuntu 10.04.3.

I have all-in-one installation of Essex-2. When I start an instance
using 'nova boot', it shows its status as ACTIVE, but when I connect
using vnc (by issuing 'vncdisplay' command in virsh for that instance),
I can see it doesn't even boot and shows

'No bootable device' error.

Here's the output of 'virsh dumpxml' for that instance and also
libvirt's log file:

http://dpaste.de/VeFeq/

I also have a VM I spawned manually (i.e. not through on this box) and
it works fine. Here's its log:

http://dpaste.de/cp4C1/

The only major difference I can see is that it's using 'boot=on' for
drive. It's also not using kernel and initrd, but I've tried images with
out it with the same result.

I've also been experimenting with running kvm manually and found a
reproducible crash:

root@host:/var/log/libvirt/qemu# LC_ALL=C
PATH=/usr/local/sbin:/usr/local/bin:/usr/bin:/usr/sbin:/sbin:/bin
QEMU_AUDIO_DRV=none /usr/bin/kvm -S -M pc-0.12 -enable-kvm -m 512 -smp
1,sockets=1,cores=1,threads=1 -name instance-006d -uuid
0ce3afdc-be2f-4079-d106-e70b287f9e26 -nodefaults -chardev
socket,id=charmonitor,path=/var/lib/libvirt/qemu/instance-006d.monitor,server,nowait
-mon chardev=charmonitor,id=monitor,mode=readline -rtc base=utc -boot c
-kernel /var/lib/nova/instances/instance-006d/kernel -initrd
/var/lib/nova/instances/instance-006d/ramdisk -append root=/dev/vda
-drive
file=/var/lib/nova/instances/instance-006d/disk,if=none,id=drive-virtio-disk0,format=qcow2,boot=on
-device
virtio-blk-pci,bus=pci.0,addr=0x4,drive=drive-virtio-disk0,id=virtio-disk0
-chardev
file,id=charserial0,path=/var/lib/nova/instances/instance-006d/console.log
-device isa-serial,chardev=charserial0,id=serial0 -chardev
pty,id=charserial1 -device isa-serial,chardev=charserial1,id=serial1
-usb -vnc 0.0.0.0:2 -k en-us -no-kvm
char device redirected to /dev/pts/20
Segmentation fault
root@host:/var/log/libvirt/qemu# 

It segfaults when I'm connecting to it via VNC.

I'm kind of stuck with this issue and have no idea how to debug it further.
Any ideas how that could be fixed?

Roman Bogorodskiy


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