kernel-packages team mailing list archive

[Reuben Thomas <rrt@xxxxxxxx>]

This bug affects me. While the only problem I can directly trace to it
is the delay in suspend, the system logs show a kernel oops, which may
well indicate more serious underlying problems. (About ⅓ of the time
when resuming, the system does not restart properly, e.g. the screen
does not come back).

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https://bugs.launchpad.net/bugs/1323645

Title:
  [MacBookPro11,1] Suspend delayed because of some timeout issue

Status in “linux” package in Ubuntu:
  Confirmed

Bug description:
  As requested by apw, here is the bug report for suspend problem on
  Macbook retina. The issue is when activating suspend, the monitor
  turns off but the machine gets fully suspended only some time later.
  The actual start of suspend can be detected by they keyboard backlight
  going off. The attached logs were gathered in the following way:

  - power cycle machine
  - suspend
  - wake up

  ProblemType: Bug
  DistroRelease: Ubuntu 14.10
  Package: linux-image-3.15.0-2-generic 3.15.0-2.6
  ProcVersionSignature: Ubuntu 3.15.0-2.6-generic 3.15.0-rc6
  Uname: Linux 3.15.0-2-generic x86_64
  ApportVersion: 2.14.2-0ubuntu4
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  jpakkane   2097 F.... pulseaudio
   /dev/snd/controlC1:  jpakkane   2097 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Tue May 27 15:54:53 2014
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2014-05-22 (4 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64+mac (20140417)
  MachineType: Apple Inc. MacBookPro11,1
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.15.0-2-generic root=UUID=aec3f04d-865c-4f0f-9872-d8953e94278d ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.15.0-2-generic N/A
   linux-backports-modules-3.15.0-2-generic  N/A
   linux-firmware                            1.129
  SourcePackage: linux
  UpgradeStatus: Upgraded to utopic on 2014-05-27 (0 days ago)
  dmi.bios.date: 02/12/2014
  dmi.bios.vendor: Apple Inc.
  dmi.bios.version: MBP111.88Z.0138.B07.1402121134
  dmi.board.asset.tag: Base Board Asset Tag#
  dmi.board.name: Mac-189A3D4F975D5FFC
  dmi.board.vendor: Apple Inc.
  dmi.board.version: MacBookPro11,1
  dmi.chassis.type: 10
  dmi.chassis.vendor: Apple Inc.
  dmi.chassis.version: Mac-189A3D4F975D5FFC
  dmi.modalias: dmi:bvnAppleInc.:bvrMBP111.88Z.0138.B07.1402121134:bd02/12/2014:svnAppleInc.:pnMacBookPro11,1:pvr1.0:rvnAppleInc.:rnMac-189A3D4F975D5FFC:rvrMacBookPro11,1:cvnAppleInc.:ct10:cvrMac-189A3D4F975D5FFC:
  dmi.product.name: MacBookPro11,1
  dmi.product.version: 1.0
  dmi.sys.vendor: Apple Inc.

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