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Message #78873
[Bug 1831538] Re: IDE config drive CDROM doesn't work with q35 machine type
** Also affects: nova/stein
Importance: Undecided
Status: New
** Changed in: nova/stein
Status: New => In Progress
** Changed in: nova/stein
Importance: Undecided => High
** Changed in: nova/stein
Assignee: (unassigned) => Lee Yarwood (lyarwood)
** Tags added: libvirt
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https://bugs.launchpad.net/bugs/1831538
Title:
IDE config drive CDROM doesn't work with q35 machine type
Status in OpenStack Compute (nova):
Fix Released
Status in OpenStack Compute (nova) stein series:
In Progress
Bug description:
Description
===========
Setting [libvirt]/hw_machine_type=x86_64=q35 in nova-cpu.conf results
in any instances booted with a config drive to fail to spawn.
Steps to reproduce
==================
1. Set [libvirt]/hw_machine_type=x86_64=q35 in nova-cpu.conf
2. Boot an instance with a config drive
Expected result
===============
Instance boots correctly.
Actual result
=============
Instance fails to spawn with following error in the compute log:
libvirt.libvirtError: unsupported configuration: IDE controllers are
unsupported for this QEMU binary or machine type
Environment
===========
This was reported on OSP15 CI [1] and has been reproduced upstream
[2].
[1] https://bugzilla.redhat.com/show_bug.cgi?id=1716358
[2] https://review.opendev.org/#/c/662887/
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References