Same experience on HP500 (p/n: RQ260AA#ACB), after opening lid system performance become sluggish, cursor moves in small jumps, etc. "vmstat 1" reports about 20% "sy" cpu usage with about 1500 context switches, and "top" shows Xorg eating CPU. By running "ps xa" in terminal I can observe constantly spawning processes with COMMAND "xrandr --auto" (sometimes 3-5 of them simultaneously) and "/bin/sh -c /etc/acpi/videobtn.sh" and "/bin/bash /etc/acpi/videobtn.sh". An example of part of "ps xa" output after lid open:
6398 pts/1 Rs 0:00 bash 6616 ? S 0:00 xrandr --auto 6622 ? S 0:00 xrandr --auto 6680 ? S 0:00 /bin/sh -c /etc/acpi/videobtn.sh 6681 ? S 0:00 /bin/bash /etc/acpi/videobtn.sh 6682 ? D 0:00 [acpi_fakekey] 6683 pts/1 R+ 0:00 ps xa Looks like there is a bug in handling of ACPI events. -- [Hardy] closing lid breaks X (jumping cursor, sluggish, high cpu usage ... ) https://bugs.launchpad.net/bugs/156824 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs