Same problem with
01:00.0 VGA compatible controller [0300]: nVidia Corporation GT218
[GeForce 210] [10de:0a65] (rev a2)
Monitor: DS-275W
Raw EDID bytes:
00 ff ff ff ff ff ff 00 1a 36 fa 00 00 00 00 00
1c 13 01 03 a5 3c 22 78 e2 6f b1 a7 55 4c 9e 25
0c 50 54 00 00 00 01 01 01 01 01 01 01 01 01 01
01 01 01 01 01 01 56 5e 00 a0 a0 a0 29 50 30 20
35 00 55 50 21 00 00 1a 00 00 00 fc 00 31 34 34
30 50 0a 20 20 20 20 20 20 20 00 00 00 fc 00 20
2d 57 51 58 47 41 0a 20 20 20 20 20 00 00 00 fc
00 43 6f 6c 6f 72 20 4c 43 44 0a 20 20 20 01 fc
ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
# get-edid | parse-edid
parse-edid: parse-edid version 2.0.0
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 "NVIDIA"
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
EDID claims 255 more blocks left
EDID blocks left is wrong.
Your EDID is probably invalid.
parse-edid: EDID checksum failed - data is corrupt. Continuing anyway.
parse-edid: first bytes don't match EDID version 1 header
parse-edid: do not trust output (if any).
# EDID version 255 revision 255
Section "Monitor"
Identifier "___:ffff"
VendorName "___"
ModelName "___:ffff"
# DPMS capabilities: Active off:yes Suspend:yes Standby:yes
Mode "4095x4095" # vfreq 9.770Hz, hfreq 80.018kHz
DotClock 655.350000
HTimings 4095 4350 4605 8190
VTimings 4095 4158 4221 8190
Flags "Interlace" "+HSync" "+VSync"
EndMode
Mode "4095x4095" # vfreq 9.770Hz, hfreq 80.018kHz
DotClock 655.350000
HTimings 4095 4350 4605 8190
VTimings 4095 4158 4221 8190
Flags "Interlace" "+HSync" "+VSync"
EndMode
Mode "4095x4095" # vfreq 9.770Hz, hfreq 80.018kHz
DotClock 655.350000
HTimings 4095 4350 4605 8190
VTimings 4095 4158 4221 8190
Flags "Interlace" "+HSync" "+VSync"
EndMode
Mode "4095x4095" # vfreq 9.770Hz, hfreq 80.018kHz
DotClock 655.350000
HTimings 4095 4350 4605 8190
VTimings 4095 4158 4221 8190
Flags "Interlace" "+HSync" "+VSync"
EndMode
EndSection
--
2.6.35-6.9 (and newer) kernels having issues with invalid EDID info and ATI
Radeon graphics
https://bugs.launchpad.net/bugs/601376
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