Public bug reported:
I have a Denon AVR through which my Kubuntu 13.10 box connects to my TV.
All works well until I decide to switch off my AVR (while leaving
Kubuntu on). When I switch it back on, I get nothing on my display.
Looking at the logs reveals this:
<code>Oct 26 18:14:15 Mycomputer kernel: [31824.209904] Raw EDID:
Oct 26 18:14:15 Mycomputer kernel: [31824.209911] 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00
Oct 26 18:14:15 Mycomputer kernel: [31824.209915] 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00
Oct 26 18:14:15 Mycomputer kernel: [31824.209918] 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00
Oct 26 18:14:15 Mycomputer kernel: [31824.209921] 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00
Oct 26 18:14:15 Mycomputer kernel: [31824.209924] 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00
Oct 26 18:14:15 Mycomputer kernel: [31824.209927] 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00
Oct 26 18:14:15 Mycomputer kernel: [31824.209929] 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00
Oct 26 18:14:15 Mycomputer kernel: [31824.209932] 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00
Oct 26 18:14:15 Mycomputer kernel: [31824.209940] i915 0000:00:02.0: HDMI-A-3:
EDID block 0 invalid.
</code>
The output of get-edid is the following:
<code>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 "Intel(R) Sandybridge/Ivybridge Graphics Chipset
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 successful
�������/�zDx
ɠWG�'HL��:�q8-@X,EBrQ� n(UB�DENON-AVR
�0>F
EDID claims 1 more blocks left
*********** Something special has happened!
Please contact the author, Matthew Kern
E-mail: [email protected]
Please include full output from this program (especially that to stderr)
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 successful
��������/�zDx
ɠWG�'HL��:�q8-@X,EBrQ� n(UB�DENON-AVR
�0>F
EDID claims 1 more blocks left
EDID blocks left is wrong.
Your EDID is probably invalid.
�</code>
What can I do to fix this?
** Affects: xorg (Ubuntu)
Importance: Undecided
Status: New
** Summary changed:
- Display via AVR not detect after restart of AVR
+ Display via AVR not detected after restart of AVR
--
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which is subscribed to xorg in Ubuntu.
https://bugs.launchpad.net/bugs/1244950
Title:
Display via AVR not detected after restart of AVR
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