I can confirm this behaviour with a GeForce 5200 graphic adaptor. Sometime an application opens with a black window too. Sometimes be minimising and maximising the window it gets resolved. Reloading the window manager always resolves it.
** Changed in: beryl-core (Ubuntu) Status: Unconfirmed => Confirmed -- window turns black after minimize and maximize https://bugs.launchpad.net/bugs/107372 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs