** Changed in: linux (Ubuntu)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1620089
Title:
REGRESSION: Laptop hangs during second time it suspends
Status in linux package in Ubuntu:
Fix Released
Bug description:
On Kubuntu 15.10 I had a problem with the suspend functionality on my
laptop. The second time it suspends it would hang, and a hard reset
was necessary to resolve the problem. After the update to 16.04, the
problem was resolved (see
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1552216)
I updated my laptop using the xenial-updates repository. After the
upgrade to linux 4.4.0-31, the suspend issue returned. I have also
tried later updates (4.4.0-34 and 4.4.0-36), but the issue is also
present in those versions. I therefore still use 4.4.0-28.
I tried bisecting, but after a few iterations it messed up my boot
partition, and after repairing that, I no longer took the time to
finish the bisection. (see
https://launchpad.net/ubuntu/+source/linux/4.4.0-31.50 for changelog)
I have a short bit (but not complete work) of the git bisect log:
$ git bisect log
# bad: [2a1e175b928aefed1fd3c90c98e845f764fa8684] UBUNTU: Ubuntu-4.4.0-31.50
# good: [a6409cad137621e2b43d9f49c757fbc996539e85] UBUNTU: Ubuntu-4.4.0-28.47
git bisect start 'Ubuntu-4.4.0-31.50' 'Ubuntu-4.4.0-28.47'
# bad: [44d66d94ed3e6e2434b06af7180a441cbf2b9f83] UBUNTU: Ubuntu-4.4.0-29.48
git bisect bad 44d66d94ed3e6e2434b06af7180a441cbf2b9f83
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: linux-image-4.4.0-28-generic 4.4.0-28.47
ProcVersionSignature: Ubuntu 4.4.0-28.47-generic 4.4.13
Uname: Linux 4.4.0-28-generic x86_64
NonfreeKernelModules: zfs zunicode zcommon znvpair zavl
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: jan 9230 F.... pulseaudio
Date: Sun Sep 4 19:42:54 2016
HibernationDevice: RESUME=UUID=321acbbf-9a6a-4825-8f47-a89d56536272
InstallationDate: Installed on 2016-02-03 (214 days ago)
InstallationMedia: Kubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
Lsusb:
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 004: ID 8087:0a2a Intel Corp.
Bus 001 Device 003: ID 0bda:57eb Realtek Semiconductor Corp.
Bus 001 Device 002: ID 0461:4d15 Primax Electronics, Ltd Dell Optical Mouse
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: HP HP Pavilion Notebook
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-28-generic.efi.signed
root=UUID=43cbb8c2-c0ce-40e2-a795-3a506e63d450 ro nogpumanager quiet splash
pci=noaer
PulseList:
Error: command ['pacmd', 'list'] failed with exit code 1: Home directory not
accessible: Permission denied
No PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions:
linux-restricted-modules-4.4.0-28-generic N/A
linux-backports-modules-4.4.0-28-generic N/A
linux-firmware 1.160
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 12/18/2015
dmi.bios.vendor: Insyde
dmi.bios.version: F.77
dmi.board.asset.tag: Type2 - Board Asset Tag
dmi.board.name: 80A4
dmi.board.vendor: HP
dmi.board.version: 91.1C
dmi.chassis.type: 10
dmi.chassis.vendor: HP
dmi.chassis.version: Chassis Version
dmi.modalias:
dmi:bvnInsyde:bvrF.77:bd12/18/2015:svnHP:pnHPPavilionNotebook:pvrType1ProductConfigId:rvnHP:rn80A4:rvr91.1C:cvnHP:ct10:cvrChassisVersion:
dmi.product.name: HP Pavilion Notebook
dmi.product.version: Type1ProductConfigId
dmi.sys.vendor: HP
== Regression details ==
Discovered in version: 4.4.0-29
Last known good version: 4.4.0-28
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