Fedora 17 gui login screen cannot handle dual monitors
When I boot with a second monitor installed with Fedora 17. It hangs up with two black screens occasionally flashing text that goes by too fast to read.
If I unplug the second monitor. The user gui login appears. Similarly if I wait until the gui is present and plug in the second monitor then it works. It fouls up if the monitor is plugged in from reset or power on. Any real suggestions. Hardware wise it is a cf-512 Panasonic laptop using Gallium 0.4 AMD RV635 driver. |
even if I enable automatic login. The system hangs before successfully booting with the dual monitors installed
Here is the dmesg for logging out. Sequence I had two monitors working. I cleared dmesg. I logged out the user. The system hung with no display. I unplugged the second monitor. The display came back I logged in and dumped dmesg. [ 3069.239104] composite sync not supported [ 3075.961348] composite sync not supported [ 3080.359616] composite sync not supported [ 3085.079999] composite sync not supported [ 3089.482020] composite sync not supported [ 3093.973920] composite sync not supported [ 3098.387118] composite sync not supported [ 3098.864010] [drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid, remainder is 254 [ 3098.864014] Raw EDID: [ 3098.864017] 00 ff ff ff ff ff ff 00 06 af 74 21 00 00 00 00 [ 3098.864020] 01 0f 01 03 0c 21 15 78 08 1c f5 97 58 50 8e 27 [ 3098.864022] 27 50 54 2d ce 00 81 00 81 c0 81 0f 81 cf 01 01 [ 3098.864025] 01 01 01 01 01 01 c7 1b 00 a0 50 20 17 30 30 20 [ 3098.864027] 03 00 04 1b ff ff ff ff ff ff ff ff ff ff ff ff [ 3098.864030] ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 3098.864032] ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 3098.864035] ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 3098.865111] [drm:radeon_vga_detect] *ERROR* VGA-1: probed a monitor but no|invalid EDID Next I cleared dmesg and the plugged the monitor in and dumped it again. [root@localhost ~]# dmesg [ 3469.207897] composite sync not supported [root@localhost ~]# robert |
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