[BUG] gma500: sleeping function called from invalid context at kernel/mutex.c:413

[Patrik Jakobsson]

On Wed, Nov 13, 2013 at 4:49 PM, Holger Schurig <holgerschurig at gmail.com> wrote:
> Kernel: 3.10.19
>
> From time to time, when I booted, I had a completely dark screen (with
> kernel command line quiet) and a non-blinking cursor. I wondered if
> that was perhaps gma500. So I turned on various debug checks. Then
> I've got the BUG from the subject.
>
> The device is a " VGA compatible controller [0300]: Intel Corporation
> System Controller Hub (SCH Poulsbo) Graphics Controller [8086:8108]
> (rev 07)".
>
> Here's relevant "dmesg" output:
>
> ...

Hi

We're calling backlight_update_status() in IRQ context which isn't allowed.

I'll add it to my todo list.

Thanks
Patrik