Public bug reported:
systemctl suspend stopped working successfully.
The error message from journalctl -r is:
Oct 17 17:26:27 jeanna-pc kernel: PM: Device i2c-ELAN0001:00 failed to suspend:
error -16
Oct 17 17:26:27 jeanna-pc kernel: PM: dpm_run_callback():
acpi_subsys_suspend+0x0/0x60 returns -16
Oct 17 17:26:27 jeanna-pc kernel: printk: Suspending console(s) (use
no_console_suspend to debug)
Oct 17 17:26:27 jeanna-pc kernel: Freezing remaining freezable tasks ...
(elapsed 0.300 seconds) done.
This can be fixed with:
echo i2c-ELAN0001:00 >/sys/bus/i2c/drivers/elants_i2c/unbind
After this, systemctl suspend works again.
After the next reboot, this situation repeats again.
(Offtopic: As concerns the touchpad on this new Lenovo laptop, it never
worked after Ubuntu installation -- with the default kernel or this one,
no matter which one.)
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: linux-image-unsigned-5.6.0-1021-oem 5.6.0-1021.21
ProcVersionSignature: Ubuntu 5.6.0-1021.21-oem 5.6.19
Uname: Linux 5.6.0-1021-oem x86_64
ApportVersion: 2.20.11-0ubuntu27.9
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Sat Oct 17 17:53:01 2020
InstallationDate: Installed on 2020-08-03 (74 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=ru_RU.UTF-8
SHELL=/bin/bash
SourcePackage: linux-oem-5.6
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: linux-oem-5.6 (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal
** Bug watch added: Linux Kernel Bug Tracker #207759
https://bugzilla.kernel.org/show_bug.cgi?id=207759
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https://bugs.launchpad.net/bugs/1900254
Title:
fails to suspend unless I unbind a device from elants_i2c driver
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