Linux 3.13.0-24-generic #47-Ubuntu SMP Fri May 2 23:30:00 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux
Laptop is an Asus G56JR.
The freeze can be usually worked around by hitting Ctrl+Alt+F1 and logging in: when the dmesg error is echoed in the tty, go back to the X server, and it works again (until the problem reoccurs).
This bug also affects me.
Linux 3.13.0-24-generic #47-Ubuntu SMP Fri May 2 23:30:00 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux
Laptop is an Asus G56JR.
The freeze can be usually worked around by hitting Ctrl+Alt+F1 and logging in: when the dmesg error is echoed in the tty, go back to the X server, and it works again (until the problem reoccurs).