[Bug 99236] System (seems to) completely freeze when interacting with java swing applications.
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Sat Jan 7 12:16:39 UTC 2017
https://bugs.freedesktop.org/show_bug.cgi?id=99236
--- Comment #8 from Vitaly Ostrosablin <tmp6154 at yandex.ru> ---
Attempted to run reproducer app in Xephyr. It appears exactly like on host with
Java 8 in attached screenshot. I.e. with white button. However, clicking the
button just adds the text into textarea, as programmed, while doing this
directly on host's Xorg hangs the system.
I think it's possible that app alone is not enough to reproduce the issue, KDE
and it's window manager might be at play here, too. But it's strange, because
this seems to occur on adding text to JTextArea, which is rendered by Swing and
should be least affected by WM and DE (except for window border, which is
absent in Xephyr, since no WM runs there).
But if that's mesa-only bug, shouldn't Ctrl+Alt+F1 work? Here GPU appears to
have stopped output completely (most likely, fullscreen tty opens, but GPU
shows same picture as on moment of freeze).
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