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Re: debian squeeze on acer aspire one 751h

I am following the advice on this bug [2] report to setup the GMA 500
with the ppa ubuntu drivers on squeeze.

See [1] for some comments, vesa driver setup, and further references.
In my setup, I had X running at 1366x768 with the vesa driver, using a
patched grub-pc to support the GMA500.

I have taken the following steps:

1. download git head from the reference in
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=533450#50 and unpack

2. for each of the packages, go to the directory, run
dpkg-buildsource, check the required references, install them and run
dpkg-buildpackage again, and install the resulting deb package (if you
install the source package, then use apt-get build-dep on each package
to install its references). Some of the packages require a
--force-overwrite option, as detailed in

3. after all the packages are build, edit /etc/X11/xorg.conf as
outlined in http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=533450#65

Then I have in /usr/lib/:
-rw-r--r-- 1 root root 33020 Sep  9 09:50 /usr/lib/libdrm.a
lrwxrwxrwx 1 root root    15 Sep  9 10:33 /usr/lib/libdrm.so -> libdrm.so.2.3.0
lrwxrwxrwx 1 root root    15 Sep  9 20:23 /usr/lib/libdrm.so.2 ->
-rw-r--r-- 1 root root 31992 Sep  9 09:50 /usr/lib/libdrm.so.2.3.0
-rw-r--r-- 1 root root 34580 Jul 21 10:32 /usr/lib/libdrm.so.2.4.0

Then I changed my xorg.conf from Driver "vesa" to Driver "psb" and
reloaded X. It fails with the following errors:
(EE) PSB(0): screnIndex is:0;fbPhys is:0x7f800000; fbsize is:0x007bf000
(EE) PSB(0): First SDVO output reported failure to sync or input is
not trainded!!!

Anyone seen this error, or maybe pointers/ideas to fix it?

I am running kernel 2.6.30.

On the bright side, the psb kernel module publishes the backlight
files under /sys/class, and that allows me to adjust LCD brightness.
It also gives a nice (and slow) 1366x768 console.


[1] http://www.mail-archive.com/debian-laptop@lists.debian.org/msg51520.html
[2] http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=533450

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