1:13 p.m.
I just ran into a problem I can't make heads or tails of, so I'm hoping to
get some help here.
I have a custom built Embedded Linux running qemu-kvm 1.1.2 and libvirt
1.2.20
I'm creating a domain with the following config:
<domain type='kvm'>
<name>myVM</name>
<memory unit='KiB'>2097152</memory>
<vcpu placement='static'>2</vcpu>
<os>
<type arch='x86_64'>hvm</type>
<boot dev='hd'/>
<boot dev='cdrom'/>
</os>
<features>
<acpi/>
<apic/>
</features>
<cpu mode='host-model'/>
<clock offset='utc'>
<timer name='rtc' tickpolicy='catchup'/>
<timer name='pit' tickpolicy='delay'/>
<timer name='hpet' present='no'/>
</clock>
<on_poweroff>destroy</on_poweroff>
<on_reboot>restart</on_reboot>
<on_crash>restart</on_crash>
<devices>
<disk type='file' device='cdrom'>
<driver name='qemu' type='raw'/>
<target dev='hdb' bus='ide'/>
<source file='custom.iso'/>
<readonly/>
</disk>
<disk type='file' device='disk'>
<driver name='qemu' type='qcow2'/>
<source file='/path/to/vdisk.img'/>
<target dev='vda' bus='virtio'/>
</disk>
<controller type='pci' model='pci-root'/>
<controller type='usb'/>
<controller type='ide'/>
<interface type='bridge'>
<source bridge='virbr0'/>
<model type='virtio'/>
</interface>
<serial type='pty'>
<target port='0'/>
</serial>
<console type='pty'>
<target type='serial' port='0'/>
</console>
<input type='tablet' bus='usb'/>
<input type='mouse' bus='ps2'/>
<input type='keyboard' bus='ps2'/>
<graphics type='vnc' port='-1' autoport='yes'/>
<video>
<model type='qxl' ram='65536' vram='65536'
vgamem='16384' heads='1'/>
</video>
<watchdog model='i6300esb' action='reset'/>
<memballoon model='none'/>
</devices>
</domain>
Granted the OS I'm installing is again a custom Linux with some software
running on top ..so It's not a well known OS...but I'm hoping that does not
matter much.
After installation I get all sorts of kernel panics and errors about
services not being able to start.
So I tried the same thing on ubuntu 14.04.2 LTS which installed qemu-kvm
2.0.0 and libvirt 1.2.2
Same config xml, but this time it worked better -I was not getting the
kernel panics.
The OS I'm installing does not support IDE disks, it needs a virtio disk.
The obvious solution here would be to try and get a newer version of qemu,
but since we're talking about a custom built Linux I'd have to add the
package manually and compile from source...which cakes a long time to do.
So before attempting that....just wondering....is there a better way?
Anything I can try?
Thanks,
Andrei
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