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[Tynach <tynach2@xxxxxxxxx>]

Why does everyone seem to say it's an nVidia problem? I have this with a
Radeon card, seems to have been broken by one of the newer Linux Kernel
releases.

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https://bugs.launchpad.net/bugs/1613342

Title:
  Cannot set .icc profile due to error: We don't have access to the
  VideoLUT for loading

Status in argyll package in Ubuntu:
  Confirmed

Bug description:
  Setting .icc profile for LG 31MU97 in Kubuntu 16.04 amd64 with GeForce GTX 770 (NVIDIA
  367.35 ) results in this error:

  $ dispwin -v -D1  ~/Desktop/31MU97_Driver/31MU97.icm
  Checking XRandR 1.2 VideoLUT access
  Display 0 name = ':0.0'
  Unable to intern atom 'EDID_DATA'
  Failed to get EDID for display
  About to open dispwin object on the display
  using ucmm for profile installation
  new_dispwin: Opened display OK
  dispwin_get_ramdac called
  Getting gamma using Randr 1.2
  XRRGetCrtcGammaSize number of entries 1024 mismatches screen depth 2048 bits
  Unable to access VideoLUT
  new_dispwin: return successfully
  Argyll 'V1.8.3' Build 'Linux 64 bit' System 'Linux #53-Ubuntu SMP Wed
  Jul 27 16:06:39 UTC 2016 4.4.0-34-generic x86_64'
  Dispwin: Error - We don't have access to the VideoLUT for loading

  I've reported issue in argyll mailing list [1], and I was informed
  that this could be problem with NVIDIA drivers and might fixed with
  argyll 1.9 version.

  Now the question is for maintainers, is it possible that this fix will
  be backported to 16.04 LTS?

  I haven't actually tried 1.9 beta yet though, as it's my friend's
  computer I don't have immediate access to it. I'll report then this
  happens.

  [1] https://www.freelists.org/post/argyllcms/We-dont-have-access-to-
  the-VideoLUT-for-loading-with-183

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