Public bug reported:
While on battery power, Asus Zenbook UX461U laptop can't wake up from
suspend with mem_sleep_default=deep kernel option.
Upon opening the lid or pressing the power button the power LED switches
from blinking to constant light, the keyboard LEDs blink instantly, but
nothing more happens. Apart from the power LED the laptop doesn't show
any signs of operation. The keyboard backlight doesn't work. The only
way out of this state is powering the laptop off by long pressing the
power button.
On AC power, the laptop resumes from deep sleep normally.
Deep sleep is crucial, because without the mem_sleep_default=deep option
battery drain is very high (several percent per hour).
ProblemType: Bug
DistroRelease: Ubuntu 18.10
Package: linux-image-4.18.0-12-generic 4.18.0-12.13
ProcVersionSignature: Ubuntu 4.18.0-12.13-generic 4.18.17
Uname: Linux 4.18.0-12-generic x86_64
ApportVersion: 2.20.10-0ubuntu13.1
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: misha 2527 F.... pulseaudio
CurrentDesktop: ubuntu:GNOME
Date: Thu Dec 6 16:24:58 2018
HibernationDevice: RESUME=UUID=28642731-be8e-4c6b-9cfe-74d637c87bf0
InstallationDate: Installed on 2018-07-30 (129 days ago)
InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 (20180725)
Lsusb:
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 003: ID 8087:0a2b Intel Corp.
Bus 001 Device 002: ID 13d3:56a2 IMC Networks
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: ASUSTeK COMPUTER INC. UX461UA
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.18.0-12-generic
root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=1
RelatedPackageVersions:
linux-restricted-modules-4.18.0-12-generic N/A
linux-backports-modules-4.18.0-12-generic N/A
linux-firmware 1.175.1
SourcePackage: linux
UpgradeStatus: Upgraded to cosmic on 2018-12-01 (5 days ago)
dmi.bios.date: 03/16/2018
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: UX461UA.312
dmi.board.asset.tag: ATN12345678901234567
dmi.board.name: UX461UA
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: 1.0
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 31
dmi.chassis.vendor: ASUSTeK COMPUTER INC.
dmi.chassis.version: 1.0
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrUX461UA.312:bd03/16/2018:svnASUSTeKCOMPUTERINC.:pnUX461UA:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnUX461UA:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct31:cvr1.0:
dmi.product.family: ZenBook Flip
dmi.product.name: UX461UA
dmi.product.version: 1.0
dmi.sys.vendor: ASUSTeK COMPUTER INC.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Confirmed
** Tags: amd64 apport-bug cosmic third-party-packages
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https://bugs.launchpad.net/bugs/1807155
Title:
Laptop doesn't wake up from deep sleep.
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