From: Erik Slagter <erik-KW7PGP3XNp7a5EbDDlwbIw@public.gmane.org>
To: Alan Stern <stern-nwvwT67g6+6dFdvTe/nMLpVzexx5G7lz@public.gmane.org>
Cc: acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org
Subject: Re: Problem with Dell laptop's backlight on resume
Date: Mon, 17 Oct 2005 11:56:06 +0200 [thread overview]
Message-ID: <1129542966.5945.15.camel@localhost.localdomain> (raw)
In-Reply-To: <Pine.LNX.4.44L0.0510161351380.6336-100000-pYrvlCTfrz9XsRXLowluHWD2FQJk+8+b@public.gmane.org>
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On Sun, 2005-10-16 at 13:57 -0400, Alan Stern wrote:
> With 2.6.14-rc4, when I suspend and resume my Dell Inspiron 4000 laptop
> the backlight doesn't act as it should. (BTW this behavior has been
> unchanged for many kernel releases.)
>
> When I go to standby, the backlight remains on.
>
> When I suspend to memory, the backlight remains on and the screen goes
> blank -- a rather disconcerting fully-white screen. Then when I resume
> the backlight turns off, making the text-mode console invisible.
> Fortunately switching to-and-from an XFree86 screen gets the light back
> on.
This is a known problem with the 4000's. I don't think it will ever work
right. Better focus on software suspend (aka suspend to disk).
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prev parent reply other threads:[~2005-10-17 9:56 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-10-16 17:57 Problem with Dell laptop's backlight on resume Alan Stern
[not found] ` <Pine.LNX.4.44L0.0510161351380.6336-100000-pYrvlCTfrz9XsRXLowluHWD2FQJk+8+b@public.gmane.org>
2005-10-17 9:56 ` Erik Slagter [this message]
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