Like discussed on Sep 9 in this same thread, creating the kernel resume
trace file fails
$ sudo sh -c "sync && echo 1 > /sys/power/pm_trace && pm-suspend"
sh: 1: cannot create /sys/power/pm_trace: Permission denied
Please help me solve the "Permission denied" error to enable tracing in
steps 3.-10. Also, please clarify if you need a separate resume trace
from every step or just one trace after completing all of the steps
3-10.
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1618550
Title:
[HP 15-r085no Notebook PC (ENERGY STAR)] Suspend/resume freezes
Status in linux package in Ubuntu:
Confirmed
Bug description:
My HP notebook won't wake from suspend with 16.04 LTS, waited for the
latest 4.4.0-36 kernel update before reporting this bug. Computer goes
to suspend, but attempts to wake it up just start the fan (and HDD)
while the display remains black.
Also tested this with the mainline upstream kernel
4.8.0-040800rc3-generic. With this version there was different
behaviour but still a bug: the display woke up but Ubuntu was very
unstable, did not connect to Wifi and the GUI froze very soon after
resume.
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: linux-image-4.4.0-36-generic 4.4.0-36.55
ProcVersionSignature: Ubuntu 4.4.0-36.55-generic 4.4.16
Uname: Linux 4.4.0-36-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: arto 3449 F.... pulseaudio
/dev/snd/controlC1: arto 3449 F.... pulseaudio
CurrentDesktop: Unity
Date: Tue Aug 30 19:42:38 2016
HibernationDevice: RESUME=UUID=8b70a4a1-df29-4f51-9b65-c2a17b4361a2
InstallationDate: Installed on 2015-09-18 (347 days ago)
InstallationMedia: Ubuntu 14.04.3 LTS "Trusty Tahr" - Beta amd64 (20150805)
MachineType: Hewlett-Packard HP 15 Notebook PC
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-36-generic.efi.signed
root=UUID=c1e1c032-887a-44c8-b4d2-0850b57082e8 ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-4.4.0-36-generic N/A
linux-backports-modules-4.4.0-36-generic N/A
linux-firmware 1.157.3
RfKill:
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
SourcePackage: linux
UpgradeStatus: Upgraded to xenial on 2016-08-15 (15 days ago)
dmi.bios.date: 05/21/2014
dmi.bios.vendor: Insyde
dmi.bios.version: F.18
dmi.board.asset.tag: Type2 - Board Asset Tag
dmi.board.name: 2212
dmi.board.vendor: Hewlett-Packard
dmi.board.version: 86.28
dmi.chassis.asset.tag: Chassis Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.chassis.version: Chassis Version
dmi.modalias:
dmi:bvnInsyde:bvrF.18:bd05/21/2014:svnHewlett-Packard:pnHP15NotebookPC:pvr0976100000405F00000620180:rvnHewlett-Packard:rn2212:rvr86.28:cvnHewlett-Packard:ct10:cvrChassisVersion:
dmi.product.name: HP 15 Notebook PC
dmi.product.version: 0976100000405F00000620180
dmi.sys.vendor: Hewlett-Packard
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