(In reply to comment #29)
> (In reply to comment #28)
> > Why "acpi_osi=" in kernel cmdline?
>
> Fixes a couple of other issues : Airplane mode key and Screen backlight
> control key (doesn't work otherwise, c.f.
> https://bugs.launchpad.net/ubuntu/+bug/1270661) Yeah, that laptop is a gift
> :)
Did you try the newer kernels without that, wrt this bug?
(In reply to comment #29) /bugs.launchpad .net/ubuntu/ +bug/1270661) Yeah, that laptop is a gift
> (In reply to comment #28)
> > Why "acpi_osi=" in kernel cmdline?
>
> Fixes a couple of other issues : Airplane mode key and Screen backlight
> control key (doesn't work otherwise, c.f.
> https:/
> :)
Did you try the newer kernels without that, wrt this bug?