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There are currently (at least) two design/technical decisions which have a
quite bad impact on running Ubuntu desktop in a virtual machine:
1) Dropping unity2d in favour of unity+llvmpipe. Since there is no way (at
least none that is easy to find) to disable playful effects this puts a
considerable stress on the emulated cpu(s). On my desktop, which may not be
state of the art but used to be usable for running unity2d desktops in VMs,
doing even simple tasks is painfully slow. For example it takes about 3s(!)
from when a window begins to fade in until it can be used. And the same when
minimizing. On that machine I also see a lot of X crashes which might be
related to overwhelming the cpus (bug 1056080) since a faster machine does not
seem to suffer that badly.
2) Adding the Amazon search to the dash search (again without any reasonably
easy way to disable this). This further puts stress on the cpu(s) and on the
same desktop every keypress is delayed about one second (at least). It also
adds to network usage (not to mention any privacy or potential parental control
issues).
Those together currently make my experience rather bad. To get anything
done within the desktop vm I seem to drag my feet through a pool of mud.
And that is just one VM running. Anybody hosting virtual desktops will
rip out lots of hair and likely leave for at least the ubuntu-gnome-
desktop (classic unaccelerated) which would be rather sad and completely
unhelpful in those cases where the ubuntu desktop was used in a VM for
testing.
I can understand that getting rid of a duplicated desktop framework will
help to focus on the main unity project. But I think in that case there
really should be options that allow to reduce the graphical overhead and
the amount of feature overhead in a more user-friendly way.
** Affects: unity (Ubuntu)
Importance: Undecided
Status: Confirmed
** Tags: bot-comment
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Bad user experience on virtual machines
https://bugs.launchpad.net/bugs/1056155
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