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Re: Problem with wake/resume from suspend/sleep/s3 state with ATI Radeon 9600 on Fedora Core FC5

On Wednesday 06 September 2006 14:35, John DeDourek wrote:
> I have an IBM Thinkpad T42 laptop with Fedora Core 5.


> It also appears to wake (resume) correctly EXCEPT that the
> screen is blank.  I can select a text console (e.g. CTRL-ALT-F2),
> login as root, and issue a "shutdown -h now"; of course the
> typing is "blind" with nothing showing on the screen.

I have the same problem with a Sony Vaio FS640W laptop.  See
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=198998 .  I
reported this bug against the kernel and davej at redhat dot com
changed it to pm-utils.  I have no idea why.  Everything works fine on
2.6.16-1.2133_FC5 and fails on all kernels after that.

> The video card identifies, under "/sbin/lspci -v", as:
> 01:00.0 VGA compatible controller: ATI Technologies Inc RV350 [
> Mobility Radeon 9600 M10] (prog-if 00 [VGA])

I have an Intel card:

    00:02.0 VGA compatible controller: Intel Corporation Mobile
    915GM/GMS/910GML Express Graphics Controller (rev 03) (prog-if 00


> Following is a list of selected rpms currently installed
> kernel-2.6.17-1.2174_FC5 (currently booted kernel)
> acpid-1.0.4-2
> pm-utils-0.15-1
> gnome-power-manager-2.14.3-1

I think the only relevant components here are the kernel and pm-utils.
The acpid doesn't participate in any suspend/wake stuff.  I'm not
using gnome-power-manager (KDE), but it only initiates the suspend and
relies on pm-utils to do the Right Thing.  I can successfully suspend
and wake (with display intact) only with the 2.6.16-1.2133_FC5 kernel.
My pm-utils is the same (pm-utils-0.15-1).

> -- Lacking that, I would be interested in debugging this problem.  I
>     prefer to not use the "try this; try that"  method of debugging.
>     Rather, I would want to collect information on what is happening
>     and derive a solution from that.  I therefore need suggestions on
>     what to read to provide the background necessary for this debuggin.
>     In particular, I need to read about how the FC5 power management
>     is intended to work, and the part which is played by each of
>     gnome-power-manager, pm-utils, acpid, video driver (in kernel), hal,
>     dbus, and xserver.


Garry T. Williams --- +1 678 656-4579

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