I can't reproduce the bug using either the latest release or building fresh from lp:mir.
Also, your attached stack trace seems to be incomplete(?) - there are apparently no compositor threads, so nothing to redraw the screen :)
Can you collect the server log from when the problem occurs?
I can't reproduce the bug using either the latest release or building fresh from lp:mir.
Also, your attached stack trace seems to be incomplete(?) - there are apparently no compositor threads, so nothing to redraw the screen :)
Can you collect the server log from when the problem occurs?