Re: Re: video module limited after suspend

Bruno Ducrot
2005-06-23T16:39:36Z

On Wed, Jun 22, 2005 at 11:17:09AM +0200, Jan Rychter wrote:
> > Hi,
> > I have ACPI compiled into the kernel and various subsystems as
> > modules. The 'video' module seems to have a problem, though -- it works
> > great on first boot, but doesn't work correctly after a suspend/resume
> > (I'm using suspend2, unloading and reloading the video module after
> > resuming).
> >
> > The symptoms are that all subdirectories of /proc/acpi/video/VGA/
> > disappear -- which means I can no longer set the LCD brighness. All I
> > have is this:
> >
> > total 0
> > -r--r--r-- 1 root root 0 Jun 17 18:25 DOS
> > -r--r--r-- 1 root root 0 Jun 17 18:25 POST
> > -r--r--r-- 1 root root 0 Jun 17 18:25 POST_info
> > -r--r--r-- 1 root root 0 Jun 17 18:25 ROM
> > -r--r--r-- 1 root root 0 Jun 17 18:25 info
> >
> > Any hints?
>
> To narrow things down a bit: I've found out that it isn't really
> suspending that matters -- just doing
>
> modprobe video; rmmod video; modprobe video
>
> gets me a system without the CRT, LCD, DVI and TV directories.
>
> As a workaround, I've just compiled video into the kernel (e.g. not
> modularized) and I'm fine.
>
> Is anyone actually interested in those bug reports? Should I bother?
>

Me, but don't have time for linux kernel devel ATM

--
Bruno Ducrot

-- Which is worse: ignorance or apathy?
-- Don't know. Don't care.