** Changed in: xserver-xorg-video-vesa (Ubuntu)
Importance: Undecided => High
** Changed in: xserver-xorg-video-vesa (Ubuntu)
Status: Confirmed => Fix Committed
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https://bugs.launchpad.net/bugs/1818879
Title:
pull cirrus.ko into main kernel package
Status in linux package in Ubuntu:
Confirmed
Status in xserver-xorg-video-vesa package in Ubuntu:
Fix Committed
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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