This isn't just a problem with ACPI's suspend. If I reboot the
machine, without without power management, the screen isn't properly
reinitialized. The problem with the suspend is certainly an issue
with ACPI; however, the reboot issue probably isn't. Unless someone
can enlighten me?
On 9/16/05, Michal Jaegermann <[email protected]> wrote:
> On Fri, Sep 16, 2005 at 11:57:16AM -0700, Mike Mohr wrote:
> > However, if I go into suspend to ram (which I
> > think is ACPI S3) where the display is turned off -or- I reboot
> > without shutting down first, the display is not re-initialized.
>
> Did you try with 'acpi_sleep=s3_bios' kernel parameter as documentation
> suggests? I have the same problem with video on Acer Travelmate and
> this helps. Remember that with ACPI (or APM) you are to a great extent
> at a mercy of your BIOS supplier and that part is often seriously buggy.
> APM is simpler so it often used to be in a better shape.
>
> Michal
>
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