I've upgraded to 15.04 and now I'm hitting the very same bug. Compiz will use 100% CPU and the UI freezes, the offending compiz instance will persist consuming CPU time even after systemctl restart lightdm and can only be killed by SIGKILL.
I'm also seeing [17409.810980] NVRM: GPU at PCI:0000:01:00: GPU-50e94984-5501-8f36-bc04-b29c484a5f1e [17409.810988] NVRM: Xid (PCI:0000:01:00): 13, Graphics Exception: ChID 0003, Class 00008397, Offset 00000e08, Data 04b00000 [17410.915719] NVRM: Xid (PCI:0000:01:00): 13, Graphics Exception: ChID 0003, Class 00008397, Offset 00000f10, Data 44960000 [17421.432239] NVRM: Xid (PCI:0000:01:00): 13, Graphics Exception: ChID 0003, Class 00008397, Offset 00000f10, Data 44960000 [17431.525701] NVRM: Xid (PCI:0000:01:00): 13, Graphics Exception: ChID 0003, Class 00008397, Offset 00000f10, Data 44960000 in dmesg OpenGL renderer string: GeForce GTX 260/PCIe/SSE2 NVIDIA Driver Version: 340.76 Linux rechenknecht2k7 3.19.0-15-generic #15-Ubuntu SMP Thu Apr 16 23:32:37 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux Tell me if this is a different bug and I should open a new issue. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1424013 Title: Compiz high CPU and UI freeze on NVIDIA after fix for #269904 in trusty-updates To manage notifications about this bug go to: https://bugs.launchpad.net/compiz/+bug/1424013/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
