On Fri, 9 Mar 2012 [email protected] wrote: > On Fri, 9 Mar 2012, Thomas Backlund wrote: > > > [email protected] skrev 8.3.2012 02:18: > > > > > > Hi, > > > I just tried Mageia 2 beta 1 on a Intel DN2800MT board hoping that it > > > would have framebuffer support for the GMA 3600, but the attached > > > monitor goes into standby (no signal) as soon as the frame buffer gets > > > activated during boot. > > > > > > As far as I understand there is frame buffer support in the 3.3 kernel > > > for the GMA 3600 so in theory it should work. > > > > > > Are you aware of this issue or should I do a bug report? > > > > Yes. > > > > There is a bug with Cedar Trail that got fixed upstream a few days after > > 3.3-rc6 was released, so the fix is not in our current > > kernel-3.3.0-0.rc6.1.mga2, but it will be fixed in the next build. > > Thanks, that's great, I will test the next build and then report back > how that works with my Cedar Trail board.
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: http://pastebin.com/SLBcgjXx 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: http://pastebin.com/ypw0DAnz 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.
