Installing or upgrading snap wakes up *some* of my HDD (and prevents further autosleep)

snapd
#1

I use Ubuntu 23.04, snapd 2.60.3

I have 2 WD HDD :

  • Drive A : it has a btrfs partition, usually un-mounted (I mount it only when I need it). Thanks to udisks settings, it autosleeps after 7min of inactivity
  • Drive B : it has a LUKS container (and a btrfs partition inside), usually locked. (I only unlock + mount it when needed). Thanks to udisks settings, it autosleeps after 7min30 of inactivity

With both HDD locked / unmounted and “sleeping”, whenever I install or upgrade a snap, for instance :
$ snap install newsboat

Drive B wakes up and cannot autosleep anymore. (drive A stays asleep)

Logs don’t seem to have anything interesting :

Thanks for your help ! This problem is quite annoying because this HDD is noisy and I don’t like that it stays “on” and hot for nothing.

Edit : more details, /etc/crypttab for drive B :

luks-xxxxx /dev/disk/by-uuid/xxxx none luks,noauto,nofail

(I also tried without referencing this drive B in crypttab and letting Ubuntu use default settings to handle it. I have the same result, snapd seems to wake up this drive)

#2

Hi Amador,

Would you please reproduce this, and capture the dmesg log over the wakeup and confirm the mount state of your partitions after?

What else is happening is B used for? Would you please share lsblk <drive>