** Description changed:
+ Impact; cannot start kvm vms through libvirt on ppc64le
+ Test case: start kvm vm through nova
+ Regression potential: this patch is cherrypicked from upstream and only
affects how the emulator is chosen for ppc systems, so there should be no
regressions.
+
+
on ppc64el (with 'uname -m' of ppc64le), libvirt will complain:
- libvirt: QEMU Driver error : internal error: Cannot find suitable emulator
for ppc64le
+ libvirt: QEMU Driver error : internal error: Cannot find suitable emulator
for ppc64le
This is easily reproducible with the python-libvirt bindings:
$ sudo apt-get install python-libvirt libvirtd-bin qemu-system-ppc
$ python -c 'import libvirt; libvirt.open().getVersion(); print("GOOD")'
libvirt: QEMU Driver error : internal error: Cannot find suitable emulator
for ppc64le
Traceback (most recent call last):
- File "<string>", line 1, in <module>
- File "/usr/lib/python2.7/dist-packages/libvirt.py", line 3679, in getVersion
- if ret == -1: raise libvirtError ('virConnectGetVersion() failed',
conn=self)
+ File "<string>", line 1, in <module>
+ File "/usr/lib/python2.7/dist-packages/libvirt.py", line 3679, in getVersion
+ if ret == -1: raise libvirtError ('virConnectGetVersion() failed',
conn=self)
libvirt.libvirtError: internal error: Cannot find suitable emulator for
ppc64le
The issue here is that it raises exception, which is not expected in
nova-compute at least.
A workaround can be acheived via:
$ sudo ln -s /usr/bin/qemu-system-ppc64 /usr/bin/qemu-system-ppc64le
$ sudo stop libvirt-bin; sudo start libvirt-bin
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https://bugs.launchpad.net/bugs/1418221
Title:
internal error: Cannot find suitable emulator for ppc64le
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