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[Solanki <narendra.bhinmal@xxxxxxxx>]

narendra@narendra-desktop:~$ sudo ddcprobe
vbe: VESA 2.0 detected.
oem: Intel810(TM) Graphics Chip Accelerated VGA BIOS
memory: 1024kb
memory: 4096kb
mode: 132x25 (text)
mode: 132x43 (text)
mode: 132x50 (text)
mode: 132x60 (text)
mode: 320x200x64k
mode: 640x400x256
mode: 640x480x256
mode: 640x480x32k
mode: 640x480x64k
mode: 640x480x16m
mode: 800x600x16
mode: 800x600x256
mode: 800x600x32k
mode: 800x600x64k
mode: 800x600x16m
mode: 1024x768x256
edid: 
edidfail

narendra@narendra-desktop:~$ sudo get-edid
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 200
	VBE string at 0x2110 "Intel810(TM) 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 does not support 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
Error: output block unchanged

-- 
MASTER:  EDID fail
https://bugs.launchpad.net/bugs/194760
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