Public bug reported:
I upgraded to 12.04 on one of my machines, and when it starts the video
blanks, and the monitor reports it is no longer connected. I cannot even
start in failsafe X mode (Segmentation fault in X).
Ubuntu is running, because I can ssh to it.
The last line of dmesg is
[ 35.669872] init: failsafe-x main process (1344) terminated with
status 1
lshw gives this for the display:
*-display
description: VGA compatible controller
product: RS690 [Radeon X1200 Series]
vendor: Hynix Semiconductor (Hyundai Electronics)
physical id: 5
bus info: pci@0000:01:05.0
version: 00
width: 64 bits
clock: 33MHz
capabilities: pm msi vga_controller bus_master cap_list rom
configuration: driver=radeon latency=64
resources: irq:18 memory:d0000000-dfffffff
memory:fdde0000-fddeffff ioport:ce00(size=256) memory:fdc00000-fdcfffff
** Affects: ubuntu
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1002829
Title:
Updating from 11.10 to 12.04, video no longer works
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