apport information

** Tags added: apport-collected

** Description changed:

  With the latest kernel (5.0.0-11-generic) my MacBook with nouveau shows
  wrong colors and can't control brightness while running Ubuntu MATE. For
  example, Ubuntu MATE green appears as teal and orange like in the
  Firefox logo and window decorations is blue. This includes the plymouth
  boot logo, but not the desktop wallpaper.
  
  Screen brightness can't be controlled at all, neither with the keyboard
  keys (which have always worked automatically) nor in the Control Center
  > Power Management because no brightness slider appears at all.
  
  This also occurs in a live session from the latest daily build
  (20190413.3).
  
  It does NOT occur in a live session of the latest (20190413.2) Ubuntu
  Desktop (GNOME).
  
- By editing /etc/default/grub to boot the previous kernel
- (5.0.0-8-generic), it works normally again.
+ By editing /etc/default/grub to boot the previous kernel (5.0.0-8-generic), 
it works normally again.
+ --- 
+ ProblemType: Bug
+ ApportVersion: 2.20.10-0ubuntu27
+ Architecture: amd64
+ AudioDevicesInUse:
+  USER        PID ACCESS COMMAND
+  /dev/snd/controlC0:  ubuntu-mate   1784 F.... pulseaudio
+ CasperVersion: 1.403
+ CurrentDesktop: MATE
+ DistroRelease: Ubuntu 19.04
+ IwConfig:
+  lo        no wireless extensions.
+  
+  enp0s10   no wireless extensions.
+ LiveMediaBuild: Ubuntu-MATE 19.04 "Disco Dingo" - Alpha amd64 (20190413.3)
+ MachineType: Apple Inc. MacBook5,1
+ Package: linux (not installed)
+ ProcEnviron:
+  TERM=xterm-256color
+  PATH=(custom, no user)
+  XDG_RUNTIME_DIR=<set>
+  LANG=C.UTF-8
+  SHELL=/bin/bash
+ ProcFB: 0 EFI VGA
+ ProcKernelCmdLine: BOOT_IMAGE=/casper/vmlinuz 
file=/cdrom/preseed/username.seed boot=casper quiet splash ---
+ ProcVersionSignature: Ubuntu 5.0.0-11.12-generic 5.0.6
+ RelatedPackageVersions:
+  linux-restricted-modules-5.0.0-11-generic N/A
+  linux-backports-modules-5.0.0-11-generic  N/A
+  linux-firmware                            1.178
+ RfKill:
+  0: hci0: Bluetooth
+       Soft blocked: no
+       Hard blocked: no
+ Tags:  disco
+ Uname: Linux 5.0.0-11-generic x86_64
+ UpgradeStatus: No upgrade log present (probably fresh install)
+ UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
+ _MarkForUpload: True
+ dmi.bios.date: 04/27/09
+ dmi.bios.vendor: Apple Inc.
+ dmi.bios.version: MB51.88Z.007D.B03.0904271443
+ dmi.board.asset.tag: Base Board Asset Tag#
+ dmi.board.name: Mac-F42D89C8
+ dmi.board.vendor: Apple Inc.
+ dmi.board.version: Proto
+ dmi.chassis.asset.tag: Asset Tag#
+ dmi.chassis.type: 10
+ dmi.chassis.vendor: Apple Inc.
+ dmi.chassis.version: Mac-F42D89C8
+ dmi.modalias: 
dmi:bvnAppleInc.:bvrMB51.88Z.007D.B03.0904271443:bd04/27/09:svnAppleInc.:pnMacBook5,1:pvr1.0:rvnAppleInc.:rnMac-F42D89C8:rvrProto:cvnAppleInc.:ct10:cvrMac-F42D89C8:
+ dmi.product.family: MacBook
+ dmi.product.name: MacBook5,1
+ dmi.product.sku: System SKU#
+ dmi.product.version: 1.0
+ dmi.sys.vendor: Apple Inc.

** Attachment added: "AlsaInfo.txt"
   
https://bugs.launchpad.net/bugs/1824815/+attachment/5256121/+files/AlsaInfo.txt

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1824815

Title:
  With kernel 5.0.0-11-generic and nouveau, Ubuntu MATE has wrong colors
  and can't control brightness

Status in Ubuntu MATE:
  New
Status in linux package in Ubuntu:
  Incomplete

Bug description:
  With the latest kernel (5.0.0-11-generic) my MacBook with nouveau
  shows wrong colors and can't control brightness while running Ubuntu
  MATE. For example, Ubuntu MATE green appears as teal and orange like
  in the Firefox logo and window decorations is blue. This includes the
  plymouth boot logo, but not the desktop wallpaper.

  Screen brightness can't be controlled at all, neither with the
  keyboard keys (which have always worked automatically) nor in the
  Control Center > Power Management because no brightness slider appears
  at all.

  This also occurs in a live session from the latest daily build
  (20190413.3).

  It does NOT occur in a live session of the latest (20190413.2) Ubuntu
  Desktop (GNOME).

  By editing /etc/default/grub to boot the previous kernel (5.0.0-8-generic), 
it works normally again.
  --- 
  ProblemType: Bug
  ApportVersion: 2.20.10-0ubuntu27
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  ubuntu-mate   1784 F.... pulseaudio
  CasperVersion: 1.403
  CurrentDesktop: MATE
  DistroRelease: Ubuntu 19.04
  IwConfig:
   lo        no wireless extensions.
   
   enp0s10   no wireless extensions.
  LiveMediaBuild: Ubuntu-MATE 19.04 "Disco Dingo" - Alpha amd64 (20190413.3)
  MachineType: Apple Inc. MacBook5,1
  Package: linux (not installed)
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=C.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 EFI VGA
  ProcKernelCmdLine: BOOT_IMAGE=/casper/vmlinuz 
file=/cdrom/preseed/username.seed boot=casper quiet splash ---
  ProcVersionSignature: Ubuntu 5.0.0-11.12-generic 5.0.6
  RelatedPackageVersions:
   linux-restricted-modules-5.0.0-11-generic N/A
   linux-backports-modules-5.0.0-11-generic  N/A
   linux-firmware                            1.178
  RfKill:
   0: hci0: Bluetooth
        Soft blocked: no
        Hard blocked: no
  Tags:  disco
  Uname: Linux 5.0.0-11-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  _MarkForUpload: True
  dmi.bios.date: 04/27/09
  dmi.bios.vendor: Apple Inc.
  dmi.bios.version: MB51.88Z.007D.B03.0904271443
  dmi.board.asset.tag: Base Board Asset Tag#
  dmi.board.name: Mac-F42D89C8
  dmi.board.vendor: Apple Inc.
  dmi.board.version: Proto
  dmi.chassis.asset.tag: Asset Tag#
  dmi.chassis.type: 10
  dmi.chassis.vendor: Apple Inc.
  dmi.chassis.version: Mac-F42D89C8
  dmi.modalias: 
dmi:bvnAppleInc.:bvrMB51.88Z.007D.B03.0904271443:bd04/27/09:svnAppleInc.:pnMacBook5,1:pvr1.0:rvnAppleInc.:rnMac-F42D89C8:rvrProto:cvnAppleInc.:ct10:cvrMac-F42D89C8:
  dmi.product.family: MacBook
  dmi.product.name: MacBook5,1
  dmi.product.sku: System SKU#
  dmi.product.version: 1.0
  dmi.sys.vendor: Apple Inc.

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