Fix committed into lp:~mir-team/mir/development-branch at revision None,
scheduled for release in mir, milestone Unknown
** Changed in: mir
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/1216472
Title:
[xmir] [multimonitor] Frames eventually get slightly out of order,
look like glitches or typing will feel slow
Status in Mir:
Fix Committed
Status in XMir:
Invalid
Status in “mir” package in Ubuntu:
Triaged
Status in “xorg-server” package in Ubuntu:
Invalid
Bug description:
Using multiple monitors, eventually the frames you see get slightly
out of order and slightly lagged. Particularly when only one monitor
is updating.
TEST CASE:
Open a terminal in XMir, move it onto a single monitor, and hold down a key.
Expected: Key appears to repeat smoothly.
Observed: Key sometimes appears to skip one character/frame ahead, and then
back again.
WORKAROUND (1)
1. sudo apt-get install compizconfig-settings-manager
2. ccsm &
3. CCSM > OpenGL > (untick everything except maybe "Sync To VBlank")
WORKAROUND (2)
Use simpler single buffering desktop environment, like Xfce.
WORKAROUND (3)
Unplug all external monitors. Use a single monitor :(
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