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[Martin Pitt <martin.pitt@xxxxxxxxxx>]

Thanks for the additional data, that helps a lot. I'll forward this to
upstream now. I have an idea how to fix that, but I'd like to discuss it
upstream first.

> (Until your post yesterday, I've had sda3 commented out.)

Was that only in response to that bug? It would be weird if that bug
would still happen even if you have swap commented out in /etc/fstab --
that would mean the fstab generator wouldn't recognize comments or so.
Can you confirm that this is not the case?

Thanks!

** Changed in: systemd (Ubuntu)
   Importance: Undecided => Medium

** Changed in: systemd (Ubuntu)
       Status: Incomplete => Triaged

** Summary changed:

- systemd is activating swap twice
+ systemd is activating swap twice, through both fstab and gpt generators

-- 
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https://bugs.launchpad.net/bugs/1399595

Title:
  systemd is activating swap twice, through both fstab and gpt
  generators

Status in systemd package in Ubuntu:
  Triaged

Bug description:
  systemd is activating swap twice, via its sda name and its uuid.

  It looks like it's because two swap units are being generated.

  
  # journalctl | grep swap | grep -v unit_create_cgroups
  Dec 05 04:30:40 yoga.lenovo systemd[1]: Activating swap Swap Partition...
  Dec 05 04:30:40 yoga.lenovo systemd[1]: Activating swap /dev/disk/by-uuid/73d341f1-eedc-43fc-9e53-ba4194dae3fb...
  Dec 05 04:30:40 yoga.lenovo swapon[396]: swapon: /dev/disk/by-uuid/73d341f1-eedc-43fc-9e53-ba4194dae3fb: swapon failed: Device or resource busy
  Dec 05 04:30:40 yoga.lenovo systemd[1]: dev-disk-by\x2duuid-73d341f1\x2deedc\x2d43fc\x2d9e53\x2dba4194dae3fb.swap swap process exited, code=exited status=255
  Dec 05 04:30:40 yoga.lenovo systemd[1]: Failed to activate swap /dev/disk/by-uuid/73d341f1-eedc-43fc-9e53-ba4194dae3fb.
  Dec 05 04:30:40 yoga.lenovo systemd[1]: Unit dev-disk-by\x2duuid-73d341f1\x2deedc\x2d43fc\x2d9e53\x2dba4194dae3fb.swap entered failed state.
  Dec 05 04:30:40 yoga.lenovo systemd[1]: Activated swap Swap Partition.
  Dec 05 04:30:40 yoga.lenovo kernel: Adding 8298492k swap on /dev/sda3.  Priority:-1 extents:1 across:8298492k SSFS

  
  # systemctl status dev-sda3.swap 
  ● dev-sda3.swap - Swap Partition
     Loaded: loaded (/run/systemd/generator.late/dev-sda3.swap)
     Active: active since Fri 2014-12-05 04:30:40 EST; 27min ago
       What: /dev/sda3
       Docs: man:systemd-gpt-auto-generator(8)
    Process: 395 ExecActivate=/sbin/swapon /dev/sda3 (code=exited, status=0/SUCCESS)

  Dec 05 04:30:40 yoga.lenovo systemd[1]: Activating swap Swap Partition...
  Dec 05 04:30:40 yoga.lenovo systemd[1]: Activated swap Swap Partition.

  
  # systemctl status dev-disk-by\x2duuid-73d341f1\x2deedc\x2d43fc\x2d9e53\x2dba4194dae3fb.swap
  ● dev-disk-byx2duuid-73d341f1x2deedcx2d43fcx2d9e53x2dba4194dae3fb.swap - /dev/disk/byx2duuid/73d341f1x2deedcx2d43fcx2d9e53x2dba4194dae3fb
     Loaded: loaded
     Active: inactive (dead)
       What: /dev/disk/byx2duuid/73d341f1x2deedcx2d43fcx2d9e53x2dba4194dae3fb

  
  # swapon -s
  Filename				Type		Size	Used	Priority
  /dev/sda3                              	partition	8298492	0	-1

  
  # blkid /dev/sda3
  /dev/sda3: UUID="73d341f1-eedc-43fc-9e53-ba4194dae3fb" TYPE="swap" PARTUUID="63a48c8a-8c88-482c-9577-50060d5afcb0"

  
  # find /run -name "*73d341f1*"
  /run/systemd/generator/swap.target.wants/dev-disk-by\x2duuid-73d341f1\x2deedc\x2d43fc\x2d9e53\x2dba4194dae3fb.swap
  /run/systemd/generator/dev-disk-by\x2duuid-73d341f1\x2deedc\x2d43fc\x2d9e53\x2dba4194dae3fb.swap
  /run/udev/links/\x2fdisk\x2fby-uuid\x2f73d341f1-eedc-43fc-9e53-ba4194dae3fb

  
  # find /run -name "*sda3*"
  /run/systemd/generator.late/swap.target.wants/dev-sda3.swap
  /run/systemd/generator.late/dev-sda3.swap

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: systemd 217-3ubuntu1
  ProcVersionSignature: Ubuntu 3.16.0-25.33-generic 3.16.7
  Uname: Linux 3.16.0-25-generic x86_64
  ApportVersion: 2.14.7-0ubuntu10
  Architecture: amd64
  CurrentDmesg: Error: command ['sh', '-c', 'dmesg | comm -13 --nocheck-order /var/log/dmesg -'] failed with exit code 1: comm: /var/log/dmesg: No such file or directory
  Date: Fri Dec  5 04:51:30 2014
  MachineType: LENOVO 20266
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-25-generic root=UUID=b51ee688-137c-47ec-9635-b69434b4e1f8 ro init=/lib/systemd/systemd ipv6.disable_ipv6=1
  SourcePackage: systemd
  UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 03/25/2014
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 76CN35WW
  dmi.board.asset.tag: No Asset Tag
  dmi.board.name: Yoga2
  dmi.board.vendor: LENOVO
  dmi.board.version: 31900058STD
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Lenovo Yoga 2 Pro
  dmi.modalias: dmi:bvnLENOVO:bvr76CN35WW:bd03/25/2014:svnLENOVO:pn20266:pvrLenovoYoga2Pro:rvnLENOVO:rnYoga2:rvr31900058STD:cvnLENOVO:ct10:cvrLenovoYoga2Pro:
  dmi.product.name: 20266
  dmi.product.version: Lenovo Yoga 2 Pro
  dmi.sys.vendor: LENOVO
  mtime.conffile..etc.systemd.journald.conf: 2014-10-17T14:43:13.493155

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