From: Pavel Machek <pavel@ucw.cz>
To: John Goerzen <jgoerzen@complete.org>
Cc: linux-pm@lists.osdl.org
Subject: Re: Suspend and slight video corruption
Date: Sun, 24 Sep 2006 09:41:53 +0000 [thread overview]
Message-ID: <20060924094153.GA4057@ucw.cz> (raw)
In-Reply-To: <20060921210244.GB5888@excelhustler.com>
Hi!
> I'm trying to use suspend to disk in a MacBook Pro and am having an odd issue:
>
> colors get corrupted -- but only slightly -- after a resume. The screen
> appears as if it just dropped from 24-bit color mode to 8-bit color mode
> and is doing a poor job of dithering.
>
> The problem is most easily visible with an image such as
> http://debblue.debian.net/images/debblue/gdm-debblue.png. Before a
> suspend, it looks fine. After a suspend, there are concentric circles
> going out from the center with hard-edged color changes. With many
> things, this problem is not even noticable. I wouldn't be surprised if
> this has happened to many before without being detected.
>
> This happens no matter what viewer I am using to display the image in X.
> It also persists even if I restart the viewer, switch to the console and
> back, etc. But restarting the X server fixes it.
>
> I tried running xinit /bin/false -- :1, but that hung the machine (it
> does not hang the machine when run before a suspend).
>
> I have tried both uswsusp and suspend2 and get the same results with
> each.
>
> This is a Debian etch system, kernel.org 2.6.18 (with the small
> mactel-linux patches), booting without EFI, XOrg 7.0.0, ATI fglrx driver
> 8.28.8.
You are using ati closed video drivers, experience video problem, and
expect us to help? Huh? Ask ATI.
--
Thanks for all the (sleeping) penguins.
next prev parent reply other threads:[~2006-09-24 9:41 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-09-21 21:02 Suspend and slight video corruption John Goerzen
2006-09-24 9:41 ` Pavel Machek [this message]
2006-09-24 23:02 ` John Goerzen
2006-09-25 8:12 ` Pavel Machek
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