** Description changed: + [ Impact ] + + When a maximized window is dragged down from gnome-shell's top panel to + un-maximize it with touchscreen, it will freeze the whole window + manager: existing content will continue to animate, but input is + unresponsive. + + [ Test plan ] + + 1. Log into Ubuntu (on Xorg) + 2. Open any window + 3. Maximize it + 4. With a touchscreen, drag downwards from the top panel of gnome-shell + 5. Verify that the window was unmaximized + 6. Verify that the window follows the finger + + [ Regression test plan (x11) ] + + 1. Log into Ubuntu (on Xorg) + 2. Open any window + 3. Maximize it + 4. With a touchscreen, drag downwards from the top panel of gnome-shell + 5. Verify that the window follows the finger + 6. Add a second finger on the window + 7. Verify that the second finger is ignored, and the drag continues normally + + [ Regression test plan (wayland) ] + + 1. Log into Ubuntu (on Wayland) + 2. Open any window + 4. With a touchscreen, drag the window aroud + 5. Verify that the window follows the finger + 6. Add a second finger on the window + 7. Verify that the second finger is ignored, and the drag continues normally + 8. Verify that GNOME Shell did not crash and log you out + + [ Where problems could occur ] + + The patch changes which inputs are accepted during a compositor-side + window drag. If too many, you may see other input interfering with the + drag operation. If a bug is introduced, in the worst case the compositor + may crash and log you out while dragging a window on Wayland. + + [ Other info ] + Created from Bug #2119066 comment #10. - - When a window (tried Files, Terminal) is dragged to the top to maximize - and dragged down (from gnome-shell top bar) to unmaximize with - touchscreen, it may freeze the whole window manager, you may need to try - it for a few times to reproduce the issue. - - This bug can be reproduced on 4.14.5+ds-0ubuntu0.6
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2133206 Title: Under X11, when using touchscreen to drag off a maximized window, window manager may freeze To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mutter/+bug/2133206/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
