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[Bug 1389703] Re: [iMac8, 1] broken colors after suspend/resume


Lorenzo M, thank you for reporting this and helping make Ubuntu better. Could you please test the latest upstream kernel available from the very top line at the top of the page (not the daily folder) following https://wiki.ubuntu.com/KernelMainlineBuilds ? It will allow additional upstream developers to examine the issue. Once you've tested the upstream kernel, please comment on which kernel version specifically you tested. If this bug is fixed in the mainline kernel, please add the following tags:

where VERSION-NUMBER is the version number of the kernel you tested exactly shown as:

This can be done by clicking on the yellow circle with a black pencil
icon next to the word Tags located at the bottom of the bug description.

If the mainline kernel does not fix this bug, please add the following tags:

Once testing of the upstream kernel is complete, please mark this bug's
Status as Confirmed. Please let us know your results. Thank you for your

** Changed in: linux (Ubuntu)
   Importance: Undecided => Medium

** Changed in: linux (Ubuntu)
       Status: Confirmed => Incomplete

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  [iMac8,1] broken colors after suspend/resume

Status in “linux” package in Ubuntu:

Bug description:
  OS: ubuntu 14.04 on a iMac 2008
  Problem: after a suspend/resume, the graphics are broken (here there is an image: https://onedrive.live.com/redir?resid=F360DB4014F86298!22188&authkey=!AISDvz3fV20MHKI&v=3&ithint=photo%2cjpg)
  I don't know if is the same problem but when I boot the system I receive this message: 
  radeon 0000:01:00.0: Invalid ROM contents

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-39-generic 3.13.0-39.66
  ProcVersionSignature: Ubuntu 3.13.0-39.66-generic
  Uname: Linux 3.13.0-39-generic x86_64
  NonfreeKernelModules: wl
  ApportVersion: 2.14.1-0ubuntu3.5
  Architecture: amd64
   /dev/snd/controlC0:  lorenzo    1866 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Wed Nov  5 14:41:09 2014
  HibernationDevice: RESUME=UUID=bdd73df9-a862-43bf-8fe9-54336feca239
  InstallationDate: Installed on 2014-09-21 (44 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64+mac (20140417)
  MachineType: Apple Inc. iMac8,1
  ProcFB: 0 radeondrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-39-generic.efi.signed root=UUID=ca4df9f7-6b9d-4182-8cc8-4d0988878be2 ro quiet splash vt.handoff=7
   linux-restricted-modules-3.13.0-39-generic N/A
   linux-backports-modules-3.13.0-39-generic  N/A
   linux-firmware                             1.127.7
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 02/09/08
  dmi.bios.vendor: Apple Inc.
  dmi.bios.version: IM81.88Z.00C1.B00.0802091538
  dmi.board.asset.tag: Base Board Asset Tag
  dmi.board.name: Mac-F227BEC8
  dmi.board.vendor: Apple Inc.
  dmi.board.version: PVT
  dmi.chassis.asset.tag: Asset Tag#
  dmi.chassis.type: 13
  dmi.chassis.vendor: Apple Inc.
  dmi.chassis.version: Mac-F227BEC8
  dmi.modalias: dmi:bvnAppleInc.:bvrIM81.88Z.00C1.B00.0802091538:bd02/09/08:svnAppleInc.:pniMac8,1:pvr1.0:rvnAppleInc.:rnMac-F227BEC8:rvrPVT:cvnAppleInc.:ct13:cvrMac-F227BEC8:
  dmi.product.name: iMac8,1
  dmi.product.version: 1.0
  dmi.sys.vendor: Apple Inc.

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