Comment 10 for bug 1740175

> On 5 Jan 2018, at 7:54 AM, Matt G <email address hidden> wrote:
>
> So, 'echo freeze | sudo tee /sys/power/state' seems to work quite
> smoothly. Is there any reason NOT to use this from here on out instead
> of 'systemctl suspend'. Could quite well solve my issue.
>

`freeze` (aka modern standby or s2idle) doesn’t touch system firmware (BIOS).
CPU is in lower power mode but doesn’t get turned off, so it will draw slightly more power.

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> in Ubuntu.
> https://bugs.launchpad.net/bugs/1740175
>
> Title:
> Ubuntu 17.10 not resuming from suspend, freezing on shut down
>
> Status in linux package in Ubuntu:
> Confirmed
>
> Bug description:
> I'm on an Acer Espire with intel microcode running dual boot Xorg
> 17.10 using Gnome. I'd say it's usually 50/50 that i'm able to suspend
> and successfully resume. Same goes for shutting down now, where it
> will freeze on the purple Ubuntu screen. When I suspend, the monitor
> will go out but the hard drive will still be running and I have to
> hard power off. Here's a pm-suspend log:
>
> Initial commandline parameters:
> Fri Dec 22 16:24:14 EST 2017: Running hooks for suspend.
> Running hook /usr/lib/pm-utils/sleep.d/000kernel-change suspend suspend:
> /usr/lib/pm-utils/sleep.d/000kernel-change suspend suspend: success.
>
> Running hook /usr/lib/pm-utils/sleep.d/000record-status suspend suspend:
> /usr/lib/pm-utils/sleep.d/000record-status suspend suspend: success.
>
> Running hook /usr/lib/pm-utils/sleep.d/00logging suspend suspend:
> Linux qs-ubuntu 4.14.8-041408-generic #201712200555 SMP Wed Dec 20 10:57:38 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux
> Module Size Used by
> msr 16384 0
> ccm 20480 6
> binfmt_misc 20480 1
> nls_iso8859_1 16384 1
> ath3k 20480 0
> uvcvideo 86016 0
> videobuf2_vmalloc 16384 1 uvcvideo
> videobuf2_memops 16384 1 videobuf2_vmalloc
> videobuf2_v4l2 24576 1 uvcvideo
> btusb 45056 0
> btrtl 16384 1 btusb
> videobuf2_core 40960 2 uvcvideo,videobuf2_v4l2
> btbcm 16384 1 btusb
> videodev 176128 3 uvcvideo,videobuf2_core,videobuf2_v4l2
> media 40960 2 uvcvideo,videodev
> cmdlinepart 16384 0
> btintel 16384 1 btusb
> bluetooth 540672 6 btrtl,btintel,btbcm,ath3k,btusb
> ecdh_generic 24576 1 bluetooth
> intel_spi_platform 16384 0
> intel_spi 20480 1 intel_spi_platform
> spi_nor 32768 1 intel_spi
> joydev 20480 0
> mtd 57344 4 spi_nor,intel_spi,cmdlinepart
> intel_rapl 20480 0
> x86_pkg_temp_thermal 16384 0
>
> I attached the dmesg.log.
>
> I'm pretty new to linux, so please let me know if there's another log I should get for more details. I upgraded to kernel 4.14.8-041408-generic last week, which didn't help.
> ---
> ApportVersion: 2.20.7-0ubuntu3.6
> Architecture: amd64
> CurrentDesktop: GNOME
> DistroRelease: Ubuntu 17.10
> InstallationDate: Installed on 2017-09-16 (101 days ago)
> InstallationMedia: Ubuntu 16.10 "Yakkety Yak" - Release amd64 (20161012.2)
> Package: linux (not installed)
> ProcEnviron:
> TERM=xterm-256color
> PATH=(custom, no user)
> XDG_RUNTIME_DIR=<set>
> LANG=en_US.UTF-8
> SHELL=/bin/bash
> Tags: artful
> Uname: Linux 4.14.8-041408-generic x86_64
> UnreportableReason: The running kernel is not an Ubuntu kernel
> UpgradeStatus: Upgraded to artful on 2017-10-20 (66 days ago)
> UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
> _MarkForUpload: True
>
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