Note that on a successful boot, dmesg | grep cirrus shows:
[ 9.064581] fb: conflicting fb hw usage cirrusdrmfb vs EFI VGA - removing
generic driver
[ 9.133808] fbcon: cirrusdrmfb (fb0) is primary device
[ 9.431359] cirrus 0000:00:02.0: fb0: cirrusdrmfb frame buffer device
[ 9.431362] cirrus 0000:00:02.0: registered panic notifier
[ 9.652851] [drm] Initialized cirrus 1.0.0 20110418 for 0000:00:02.0 on
minor 0
I can also reproduce this on qemu built from upstream git head (earlier
this week) so marking as affecting the upstream project.
** Package changed: libvirt (Ubuntu) => qemu (Ubuntu)
** Also affects: qemu
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1336801
Title:
12.04 guest hangs on a 14.04 host server with cirrus graphics
Status in QEMU:
New
Status in “qemu” package in Ubuntu:
Triaged
Bug description:
A new 12.04.4 server guest installation hangs on a 14.04 server host
machine.
I did the following:
Created a new Virtual Machine with the Ubuntu 12.04 template using
virt-manager
Ran through the installation without a hitch to install a LAMP+SSH server.
All standard options apart from that.
On reboot the 12.04 guest started but then hung after doing fsck step.
Trying different options (change disk driver, etc) made it progress a couple
more steps but still hung.
The thing that fixed it in the end was to switch to a VGA display
driver, away from the default.
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