This bug is missing log files that will aid in diagnosing the problem.
While running an Ubuntu kernel (not a mainline or third-party kernel)
please enter the following command in a terminal window:
apport-collect 1818879
and then change the status of the bug to 'Confirmed'.
If, due to the nature of the issue you have encountered, you are unable
to run this command, please add a comment stating that fact and change
the bug status to 'Confirmed'.
This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1818879
Title:
pull cirrus.ko into main kernel package
Status in linux package in Ubuntu:
Incomplete
Status in xorg package in Ubuntu:
New
Bug description:
In disco, xorg stopped shipping a cirrus module/driver, instead
relying on the kernel one. But the kernel one is in the linux-modules-
extra-<version>-generic package, which is not installed by default in
vms.
That breaks some assumptions: uvtool, for example, doesn't specify a
video device when creating a vm, and the default in libvirt in such
cases is to use cirrus. As a conseguence, disco VMs created by tools
that do not specify a default video device won't have the cirrus.ko
module, and X won't start there.
It's a bit more complicated, however, because X just tries other
fallbacks, but they also don't work. In particular, vesa doesn't work:
[ 25.547] (EE) VESA(0): Specified fbbpp (24) is not a permitted
value
(full log at http://paste.ubuntu.com/p/d6ypgxzkyv/)
We can change uvtool and specify a video device instead of leaving it
blank (see bug #1818877), but there might be other tools out there
spawning guests without telling them which video device to use, and
they would also fail.
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