From: Mike Mohr <akihana@gmail.com>
To: michal@harddata.com, linux-kernel@vger.kernel.org
Subject: Re: Reboot & ACPI suspend Laptop display initialization
Date: Fri, 16 Sep 2005 22:16:33 -0700 [thread overview]
Message-ID: <4746469c05091622163e81dbea@mail.gmail.com> (raw)
In-Reply-To: <20050916201457.GA29516@ellpspace.math.ualberta.ca>
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 <michal@ellpspace.math.ualberta.ca> 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
>
next prev parent reply other threads:[~2005-09-17 5:16 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-09-16 18:57 Reboot & ACPI suspend Laptop display initialization Mike Mohr
[not found] ` <20050916201457.GA29516@ellpspace.math.ualberta.ca>
2005-09-17 5:16 ` Mike Mohr [this message]
2005-09-19 12:16 ` Pavel Machek
2005-09-19 21:07 ` Mike Mohr
2005-09-20 20:10 ` Pavel Machek
2005-09-20 20:11 ` Pavel Machek
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