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+ <TITLE> [Mageia-dev] Mageia support for GMA 3600 (Cedar Trail Atom)
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+ <H1>[Mageia-dev] Mageia support for GMA 3600 (Cedar Trail Atom)</H1>
+ <B>tux99-mga at uridium.org</B>
+ <A HREF="mailto:mageia-dev%40mageia.org?Subject=Re%3A%20%5BMageia-dev%5D%20Mageia%20support%20for%20GMA%203600%20%28Cedar%20Trail%20Atom%29&In-Reply-To=%3CPine.LNX.4.44.1203112103390.8432-100000%40outpost-priv%3E"
+ TITLE="[Mageia-dev] Mageia support for GMA 3600 (Cedar Trail Atom)">tux99-mga at uridium.org
+ </A><BR>
+ <I>Sun Mar 11 21:22:32 CET 2012</I>
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+<PRE>On Fri, 9 Mar 2012 <A HREF="https://www.mageia.org/mailman/listinfo/mageia-dev">tux99-mga at uridium.org</A> wrote:
+
+&gt;<i> On Fri, 9 Mar 2012, Thomas Backlund wrote:
+</I>&gt;<i>
+</I>&gt;<i> &gt; <A HREF="https://www.mageia.org/mailman/listinfo/mageia-dev">tux99-mga at uridium.org</A> skrev 8.3.2012 02:18:
+</I>&gt;<i> &gt; &gt;
+</I>&gt;<i> &gt; &gt; Hi,
+</I>&gt;<i> &gt; &gt; I just tried Mageia 2 beta 1 on a Intel DN2800MT board hoping that it
+</I>&gt;<i> &gt; &gt; would have framebuffer support for the GMA 3600, but the attached
+</I>&gt;<i> &gt; &gt; monitor goes into standby (no signal) as soon as the frame buffer gets
+</I>&gt;<i> &gt; &gt; activated during boot.
+</I>&gt;<i> &gt; &gt;
+</I>&gt;<i> &gt; &gt; As far as I understand there is frame buffer support in the 3.3 kernel
+</I>&gt;<i> &gt; &gt; for the GMA 3600 so in theory it should work.
+</I>&gt;<i> &gt; &gt;
+</I>&gt;<i> &gt; &gt; Are you aware of this issue or should I do a bug report?
+</I>&gt;<i> &gt;
+</I>&gt;<i> &gt; Yes.
+</I>&gt;<i> &gt;
+</I>&gt;<i> &gt; There is a bug with Cedar Trail that got fixed upstream a few days after
+</I>&gt;<i> &gt; 3.3-rc6 was released, so the fix is not in our current
+</I>&gt;<i> &gt; kernel-3.3.0-0.rc6.1.mga2, but it will be fixed in the next build.
+</I>&gt;<i>
+</I>&gt;<i> Thanks, that's great, I will test the next build and then report back
+</I>&gt;<i> how that works with my Cedar Trail board.
+</I>
+Hi, I noticed a new kernel packages showed up in the cauldron repo
+(3.3rc7) so I tried it immediately (reinstalled cauldron from scratch as
+I had overwritten the previous install with other distro tests) using
+the boot.iso image, but the video behaviour at boot is still the same,
+the monitor still goes into no-signal standby as soon as the drm stuff
+is started.
+
+I have full access to the box via ssh so I have uploaded some logs that
+might help figure this out, it looks to like the kernel modules load
+fine but somehow they set a screen mode that the monitor doesn't like.
+
+Basically I don't really know how the drm kernel modules and xorg
+interact (and I can't find any useful recent docs about it), who is
+responsible for setting the screen mode and where can I manually
+configure it, on the kernel line or xorg.conf?
+(I have been spoiled by the binary nvidia drivers for too long :) )
+
+dmesg:
+<A HREF="http://pastebin.com/SLBcgjXx">http://pastebin.com/SLBcgjXx</A>
+
+lsmod output:
+# lsmod|grep gma
+gma500_gfx 149940 0
+drm_kms_helper 32743 1 gma500_gfx
+drm 207700 2 gma500_gfx,drm_kms_helper
+i2c_algo_bit 13080 1 gma500_gfx
+i2c_core 29836 5
+i2c_i801,gma500_gfx,drm_kms_helper,drm,i2c_algo_bit
+video 18640 1 gma500_gfx
+
+/var/log/Xorg.0.log:
+<A HREF="http://pastebin.com/ypw0DAnz">http://pastebin.com/ypw0DAnz</A>
+
+I'm unsure if this is only a config problem or if this is still due
+to some bug.
+
+Any pointers would be much appreciated.
+
+</PRE>
+
+
+
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