I have to also say, I get the -exact- same problem (find attached my xlog output, and xorg.conf) using a m88 chipset (mobility radeon 3870). This is allegedly supported but.. not under jaunty. The last Ubuntu that I tried was hardy, which worked with the same computer. I believe that something changed with how xorg detects laptop screen is attached to the graphics card from xorg 1.3.
If you look at the log file for -any- 'blank screen' fglrx problem, you will notice that the ConnectedDisplay is always all zeros. In other words, no monitor is detected as 'connected', even though it then goes on to get the EDID information. In my case, the laptop screen can go upto 1920x1440 (it's a 17inch laptop screen) but it seems to only find upto 1400x1050 (which is the highest resolution in the vesa bios for the m88 I think). in my case, I can ssh over to the laptop with the blank screen, and even attaching another monitor to the laptop's vga out port shows me a 1200x1024 desktop on the external. There is -no- way to enable the laptop screen (not the fn+f3 nor xrandr command/tool. nothing). Anyway, currently I can use the open source radeon without -any- trouble (and the xlog is attached for comparison) ** Attachment added: "fglrx broken log" http://launchpadlibrarian.net/26267824/broken_X.log -- x gives black screen with fglrx https://bugs.launchpad.net/bugs/285701 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs