On Sat, 17 Mar 2018 03:07:45 +0100 Michael Biebl <bi...@debian.org> wrote: > On Thu, 8 Mar 2018 10:02:32 +0000 Daniel Pocock <dan...@pocock.pro> wrote: > > Package: systemd > > Version: 232-25+deb9u1 > > Severity: important > > > > > > Laptop was connected to a Thunderbolt dock, lid closed, using desktop > > monitor and keyboard, everything connected through the dock. It is a > > laptop with encrypted LVM and swap on LVM. > > > > Laptop's thunderbolt cable was bumped very slightly without coming out > > completely and then pushed back in. As the lid was down, it appears the > > laptop tried to suspend > > > > It didn't really suspend though, it became frozen with a blank screen. > > > > After a hard reboot, every subsequent attempt to close the lid or undock > > also failed, the screen would go blank and it wouldn't come back. > > > > journalctl and /var/log/messages provided no clues. > > > > Guessing it was a problem with the swap partition, tried the following: > > > > swapoff /dev/mapper/vg00--vg-swap_1 > > mkswap /dev/mapper/vg00--vg-swap_1 > > mkswap: /dev/mapper/vg00--vg-swap_1: warning: wiping old swap signature. > > Setting up swapspace version 1, size = 23.8 GiB (25513947136 bytes) > > no label, UUID= > > swapon /dev/mapper/vg00--vg-swap_1 > > > > In this case, the swap partition is named in /etc/fstab, not the UUID. > > For somebody with the UUID in fstab it would be necessary to update > > there too and also run update-initramfs > > > > This is not hard for an experienced user to resolve but very annoying as > > you only discover you have a problem after the second attempt to sleep. > > > > Can systemd or whatever else is involved in the suspend/sleep mechanism > > be improved to detect problems like this, give some kind of error to the > > user and maybe even help them automatically correct it? > > It's unclear to me what exactly your specific problem is/how and how > systemd should detect that.
Ping How is your suspend partition relevant for suspend to ram? Are you actually using hibernate (suspend-to-disk) where a properly setup swap partition is important? Michael -- Why is it that all of the instruments seeking intelligent life in the universe are pointed away from Earth?
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