I just received this bug on a Lenovo W510 (nvidia quattro fx880) after upgrading from 12.04 (where this bug did not exist for me) to 12.10.
After adding the several times mentioned acpi=force, sometimes the machine turns off but most the time it doesn't.
I just received this bug on a Lenovo W510 (nvidia quattro fx880) after upgrading from 12.04 (where this bug did not exist for me) to 12.10.
After adding the several times mentioned acpi=force, sometimes the machine turns off but most the time it doesn't.