I still have this problem with 3.8.0-19-generic #30-Ubuntu SMP Wed May 1 16:35:23 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux with intel graphics HD4000.
When I first boot, changing brightness is fine. But after a period of time, it will hang if I adjust the brightness. Similarly, when I first boot I can logout and power down my laptop without issues, but after a time, if I attempt to log out or shutdown it hangs. I suspect these hangs are both related. Adding 'acpi_backlight=vendor' to the kernel parameters didn't make much of a difference for me. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1007765 Title: brightness adjusting crashes system To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/fglrx-installer/+bug/1007765/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
