Public bug reported:
Binary package hint: ddccontrol
This package seems to be completely broken on Hardy with an NVIDIA card.
lspci -v output:
01:00.0 VGA compatible controller: nVidia Corporation GeForce 8600 GT (rev a1)
(prog-if 00 [VGA controller])
Subsystem: nVidia Corporation Unknown device 0439
Flags: bus master, fast devsel, latency 0, IRQ 16
Memory at fd000000 (32-bit, non-prefetchable) [size=16M]
Memory at c0000000 (64-bit, prefetchable) [size=256M]
Memory at fa000000 (64-bit, non-prefetchable) [size=32M]
I/O ports at 9c00 [size=128]
[virtual] Expansion ROM at fe8e0000 [disabled] [size=128K]
Capabilities: [60] Power Management version 2
Capabilities: [68] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0
Enable-
Capabilities: [78] Express Endpoint IRQ 0
Using NVIDIA-Linux-x86-169.07 driver from NVIDIA website.
Output of ddccontrol -pvv as following:
Starting /usr/bin/ddcpci 1 1644373325 &...
Probing for available monitors...
Found PCI device (pci:01:00.0-0)
Found PCI device (pci:01:00.0-1)
Found PCI device (pci:01:00.0-2)
Device: pci:01:00.0-0
Error while reading write message answer: Bad message
Reading EDID 0x50 failed.
ddcci_open returned -2
Device: pci:01:00.0-1
Error while reading write message answer: Bad message
Reading EDID 0x50 failed.
ddcci_open returned -2
Device: pci:01:00.0-2
Error while reading write message answer: Bad message
Reading EDID 0x50 failed.
ddcci_open returned -2
With i2c-dev loaded:
Found I2C device (dev:/dev/i2c-2)
ioctl(): Input/output error
ioctl returned -1
Reading EDID 0x50 failed.
ddcci_open returned -2
Found I2C device (dev:/dev/i2c-1)
ioctl(): Input/output error
ioctl returned -1
Reading EDID 0x50 failed.
ddcci_open returned -2
Found I2C device (dev:/dev/i2c-0)
ioctl(): Input/output error
ioctl returned -1
Reading EDID 0x50 failed.
ddcci_open returned -2
Detected monitors :
No monitor supporting DDC/CI available.
uname -r:
2.6.24-19-generic
** Affects: ddccontrol (Ubuntu)
Importance: Undecided
Status: New
--
Broken on NVIDIA/Hardy
https://bugs.launchpad.net/bugs/243445
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