Comment 27 for bug 712075

I am having the same error, both in my Ubuntu 10.10 as well in my Ubuntu 11.04 installation.
However, I do not so much have the "flickering" that is indicated. I am faced with a screen resolution that is stuck on 1024x768.
On release 10.10 I was able to retrieve my original screen resolution (1440x900) by creating an xorg.conf file based on the version that is created by "X -configure". Doing the same "trick" with 11.04 resulted in a blank screen. I will attach the xorg.conf I am using for 10.10 as info.

This is on a Dell Dimension 2400 with an Intel graphics card:
00:02.0 VGA compatible controller: Intel Corporation 82845G/GL[Brookdale-G]/GE Chipset Integrated Graphics Device (rev 01)
The monitor I have is an "AG neovo K-A19".

The kernel versions I am running are:
For 10.10: 2.6.35-27-generic
For 11.04: 2.6.38-5-generic

The versions of xserver-xorg-video-intel I am running are:
For 10.10: 2:2.12.0-1ubuntu5.2
For 11.04: 2:2.14.0-4ubuntu1

I will attach the output of dmesg for both releases for information.
The OP indicates that "sudo get-edid" works for him. For me the command (on both releases) provides feedback but indicates it it unreliable. The result of the command is identical on both releases:

get-edid: get-edid version 2.0.0

 Performing real mode VBE call
 Interrupt 0x10 ax=0x4f00 bx=0x0 cx=0x0
 Function supported
 Call successful

 VBE version 300
 VBE string at 0x2110 "Intel(r)845G/845GL/845GE/845GV Graphics Chip Accelerated VGA BIOS"

VBE/DDC service about to be called
 Report DDC capabilities

 Performing real mode VBE call
 Interrupt 0x10 ax=0x4f15 bx=0x0 cx=0x0
 Function supported
 Call successful

 Monitor and video card combination does not support DDC1 transfers
 Monitor and video card combination supports DDC2 transfers
 0 seconds per 128 byte EDID block transfer
 Screen is not blanked during DDC transfer

Reading next EDID block

VBE/DDC service about to be called
 Read EDID

 Performing real mode VBE call
 Interrupt 0x10 ax=0x4f15 bx=0x1 cx=0x0
 Function supported
 Call failed

The EDID data should not be trusted as the VBE call failed
@�����#��.
h(x/Ӑ�YJ�$PT�����@qO�







�5��Q�*0`�6��
�00726
       �2L
R
      �K-A19

If additional input is required, please let me know.