Re: Video memory corruption during suspend

From: Pavel Machek
Date: Thu Jul 22 2004 - 11:12:15 EST


Hi!

> My setup is:
> ASUS L3800C laptop, Radeon M7, i845 chipset, using DRI and radeonfb.
>
> Note that this is not specific to the kernel used, as I've been seeing
> similar corruption every now and then, most recently under 2.6.7 +
> ACPICA20040715 + swsusp2.0.0.100 (S3, S4), but also under 2.4 with S1 (but
> not with S4/swsusp2).
>
> I have a very simple script I use to suspend (i.e. basically echo $arg >
> /proc/acpi/sleep), which is usually started by acpid. Once the script is
> triggered (by pressing power / sleep button) and an X session is running,
> various red and green patches appear on the screen (the background image
> and the tinted terminal emulator), followed by the VT switch the PM code
> does. After resume and subsequent VT switch by the PM code the corruption
> is still visible. The screen is properly restored by a manual VT switch.
> The corruption is clearly related to the existing background pixmap, as
> moving the windows does not change its pattern. Oddly enough, starting a GL
> app such as glxgears and moving it into and out of focus also properly
> restores the screen.

So what happens on 2.6.7 with swsusp1? Can you try vesafb (and fbdev
Xserver)?

Pavel
--
Horseback riding is like software...
...vgf orggre jura vgf serr.
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