[MacBookPro11,2] Suspend delayed because of some timeout issue

[Ate Douma]

After starting suspend, the screen goes blank, but the keyboard backlight stays on for about ~20 seconds or more, and only after that the suspend really seems to be happening.
Wakeup on the other hand is pretty quick, just taking about 2 seconds or so.

So, expected is a quick suspend (a few seconds at most), but what happens is a long delay (20 seconds or more) before suspend is really completed.

ProblemType: Bug
DistroRelease: Ubuntu 13.10
Package: linux-image-3.11.0-22-generic 3.11.0-22.38
ProcVersionSignature: Ubuntu 3.11.0-22.38-generic 3.11.10.8
Uname: Linux 3.11.0-22-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.12.5-0ubuntu2.2
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC1: ate 2053 F.... pulseaudio
 /dev/snd/controlC0: ate 2053 F.... pulseaudio
Date: Wed Jun 4 13:49:15 2014
EcryptfsInUse: Yes
HibernationDevice: RESUME=UUID=ecf71aa8-0d11-44ba-8891-0a956d8e289d
MachineType: Apple Inc. MacBookPro11,2
MarkForUpload: True
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.11.0-22-generic root=UUID=5711f9da-2806-4ca0-ac4f-e89600cad100 ro libata.force=noncq quiet splash vt.handoff=7
RelatedPackageVersions:
 linux-restricted-modules-3.11.0-22-generic N/A
 linux-backports-modules-3.11.0-22-generic N/A
 linux-firmware 1.116.2
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 10/18/2013
dmi.bios.vendor: Apple Inc.
dmi.bios.version: MBP112.88Z.0138.B02.1310181745
dmi.board.asset.tag: Base Board Asset Tag#
dmi.board.name: Mac-3CBD00234E554E41
dmi.board.vendor: Apple Inc.
dmi.board.version: MacBookPro11,2
dmi.chassis.type: 10
dmi.chassis.vendor: Apple Inc.
dmi.chassis.version: Mac-3CBD00234E554E41
dmi.modalias: dmi:bvnAppleInc.:bvrMBP112.88Z.0138.B02.1310181745:bd10/18/2013:svnAppleInc.:pnMacBookPro11,2:pvr1.0:rvnAppleInc.:rnMac-3CBD00234E554E41:rvrMacBookPro11,2:cvnAppleInc.:ct10:cvrMac-3CBD00234E554E41:
dmi.product.name: MacBookPro11,2
dmi.product.version: 1.0
dmi.sys.vendor: Apple Inc.

[Brad Figg (brad-figg)]

This change was made by a bot.

[Ate Douma (ate)]

For the record: I'm using mainline kernel v3.14 on a daily basis because of its better support of the MacBookPro.
Same issue is still encountered when using mainline kernels 3.14 and 3.15-rc7