I ran the xedid script but it did not allow me to use the monitor in
question. (I have an irun ZT-SH270QHD.)
get-edid says:
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 0x11100 "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.
/var/log/Xorg.0.log says:
552 [ 28.729] (WW) NVIDIA(GPU-0): The EDID read for display device DFP-0
is invalid: the
553 [ 28.729] (WW) NVIDIA(GPU-0): checksum for EDID version 1
extension is invalid.
554 [ 28.729] (--) NVIDIA(GPU-0):
555 [ 28.729] (--) NVIDIA(GPU-0): Raw EDID bytes:
556 [ 28.729] (--) NVIDIA(GPU-0):
557 [ 28.729] (--) NVIDIA(GPU-0): 00 ff ff ff ff ff ff 00 04 68 fa 00
00 00 00 00
558 [ 28.729] (--) NVIDIA(GPU-0): 28 15 01 03 a5 3c 22 78 22 6f b1 a7
55 4c 9e 25
559 [ 28.729] (--) NVIDIA(GPU-0): 0c 50 54 00 00 00 01 01 01 01 01 01
01 01 01 01
560 [ 28.729] (--) NVIDIA(GPU-0): 01 01 01 01 01 01 56 5e 00 a0 a0 a0
29 50 30 20
561 [ 28.729] (--) NVIDIA(GPU-0): 35 00 55 50 21 00 00 1a 00 00 00 fc
00 51 48 44
562 [ 28.729] (--) NVIDIA(GPU-0): 32 37 30 0a 20 20 20 20 20 20 00 00
00 fc 00 51
563 [ 28.729] (--) NVIDIA(GPU-0): 48 44 32 37 30 0a 20 20 20 20 20 20
00 00 00 fc
564 [ 28.729] (--) NVIDIA(GPU-0): 00 51 48 44 32 37 30 0a 20 20 20 20
20 20 01 b0
565 [ 28.729] (--) NVIDIA(GPU-0):
566 [ 28.729] (--) NVIDIA(GPU-0): ff ff ff ff ff ff ff ff ff ff ff ff
ff ff ff ff
567 [ 28.729] (--) NVIDIA(GPU-0): ff ff ff ff ff ff ff ff ff ff ff ff
ff ff ff ff
568 [ 28.729] (--) NVIDIA(GPU-0): ff ff ff ff ff ff ff ff ff ff ff ff
ff ff ff ff
569 [ 28.729] (--) NVIDIA(GPU-0): ff ff ff ff ff ff ff ff ff ff ff ff
ff ff ff ff
570 [ 28.729] (--) NVIDIA(GPU-0): ff ff ff ff ff ff ff ff ff ff ff ff
ff ff ff ff
571 [ 28.729] (--) NVIDIA(GPU-0): ff ff ff ff ff ff ff ff ff ff ff ff
ff ff ff ff
572 [ 28.729] (--) NVIDIA(GPU-0): ff ff ff ff ff ff ff ff ff ff ff ff
ff ff ff ff
573 [ 28.729] (--) NVIDIA(GPU-0): ff ff ff ff ff ff ff ff ff ff ff ff
ff ff ff ff
574 [ 28.729] (--) NVIDIA(GPU-0):
575 [ 28.729] (--) NVIDIA(GPU-0): 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00
576 [ 28.729] (--) NVIDIA(GPU-0): 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00
577 [ 28.729] (--) NVIDIA(GPU-0): 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00
578 [ 28.729] (--) NVIDIA(GPU-0): 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00
579 [ 28.729] (--) NVIDIA(GPU-0): 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00
580 [ 28.729] (--) NVIDIA(GPU-0): 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00
581 [ 28.729] (--) NVIDIA(GPU-0): 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00
Running xedid as root produces no output and exits with code 0.
Rebooting after running the script has no effect.
$ uname -a
Linux lovecraft 3.5.0-17-generic #28-Ubuntu SMP Tue Oct 9 19:31:23 UTC 2012
x86_64 x86_64 x86_64 GNU/Linux
This is on Linux Mint 14; I'll retest with an ubuntu livecd at my
earliest convenience.
--
You received this bug notification because you are a member of Ubuntu-X,
which is subscribed to xdiagnose in Ubuntu.
https://bugs.launchpad.net/bugs/992346
Title:
*ERROR* EDID checksum is invalid, remainder is 161
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/xdiagnose/+bug/992346/+subscriptions
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