[Bug 1673379] Re: Error on shutdown: Failed deactivating swap /dev/disk/by-id/dm-name-cryptswap1.

[dino99]

For the record, this is also ramdomly happening with swap partition not encrypted.
Kind of race i suppose, but cant determine what exactly.
So cryptsetup seems not the main reason of that problem.
Note that cryptsetup is installed due to some packages's dependency.

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Title:
  Error on shutdown: Failed deactivating swap /dev/disk/by-id/dm-name-
  cryptswap1.

Status in cryptsetup package in Ubuntu:
  Confirmed

Bug description:
  Hi,

  I am using encrypted swap on this system for years, it works well, but
  I recently noticed the following error messages on shutdown:

  Mar 16 08:22:31 xeelee systemd[1]: Failed deactivating swap /dev/disk/by-id/dm-name-cryptswap1.
  Mar 16 08:22:31 xeelee systemd[1]: Stopped (with error) /dev/dm-0.
  Mar 16 08:22:31 xeelee systemd[1]: Stopped (with error) /sys/devices/virtual/block/dm-0.
  Mar 16 08:22:31 xeelee systemd[1]: Stopped (with error) /dev/disk/by-id/dm-name-cryptswap1.
  Mar 16 08:22:31 xeelee systemd[1]: Stopped (with error) /dev/disk/by-id/dm-uuid-CRYPT-PLAIN-cryptswap1.
  Mar 16 08:22:31 xeelee systemd[1]: Failed deactivating swap /dev/disk/by-uuid/f2c65884-af53-45b7-8568-788e8e6b93fd.
  Mar 16 08:22:31 xeelee systemd[1]: Failed deactivating swap /dev/dm-0.
  Mar 16 08:22:31 xeelee systemd[1]: Stopped (with error) /dev/disk/by-uuid/f2c65884-af53-45b7-8568-788e8e6b93fd.
  Mar 16 08:22:31 xeelee systemd[1]: Failed deactivating swap /dev/disk/by-id/dm-uuid-CRYPT-PLAIN-cryptswap1.

  Here is a summary of my setup (more details added by apport
  elsewhere):

  # cat /etc/fstab 
  [...]
  /dev/mapper/cryptswap1 	none 		swap 	sw 		0 	0

  # cat /etc/crypttab 
  cryptswap1 /dev/sda2 /dev/urandom swap,cipher=aes-cbc-essiv:sha256

  # lsblk 
  NAME           MAJ:MIN RM   SIZE RO TYPE  MOUNTPOINT
  sda              8:0    0 238.5G  0 disk  
  ├─sda1           8:1    0 236.5G  0 part  /
  └─sda2           8:2    0     2G  0 part  
    └─cryptswap1 253:0    0     2G  0 crypt [SWAP]

  # blkid 
  [...]
  /dev/sda2: PARTUUID="000d0b0a-02"

  ProblemType: Bug
  DistroRelease: Ubuntu 17.04
  Package: cryptsetup 2:1.7.2-0ubuntu1
  Uname: Linux 4.10.3-041003-lowlatency x86_64
  ApportVersion: 2.20.4-0ubuntu2
  Architecture: amd64
  CurrentDesktop: MATE
  Date: Thu Mar 16 09:51:39 2017
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: cryptsetup
  UpgradeStatus: Upgraded to zesty on 2017-03-12 (3 days ago)
  cmdline: BOOT_IMAGE=/boot/vmlinuz-4.10.3-041003-lowlatency root=UUID=7a79b99d-112e-4a6c-9808-ad8da1b2edcd ro quiet splash nomdmonddf nomdmonisw vt.handoff=7
  crypttab: cryptswap1 /dev/sda2 /dev/urandom swap,cipher=aes-cbc-essiv:sha256

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