Package: dphys-swapfile Version: 20100506-4 Hardware: Raspberry Pi 2. I use Debian release "sid".
My KInfocenter shows: KDE Plasma Verson: 5.13.2 KDE Frameworks Version: 5.47.0 Qt Version: 5.11.1 Kernel Version: 4.17.0-2-armmp OS Type: 32-bit # grep -i swap /boot/config-4.17.0-2-armmp CONFIG_SWAP=y CONFIG_MEMCG_SWAP=y # CONFIG_MEMCG_SWAP_ENABLED is not set CONFIG_ARCH_USE_BUILTIN_BSWAP=y CONFIG_FRONTSWAP=y CONFIG_ZSWAP=y CONFIG_MTD_SWAP=m CONFIG_NFS_SWAP=y CONFIG_SUNRPC_SWAP=y CONFIG_RING_BUFFER_ALLOW_SWAP=y # CONFIG_TRACER_SNAPSHOT_PER_CPU_SWAP is not set I made a guide for 32-bit and 64-bit for Debian for Raspberry Pi here: https://github.com/evasjo/DebianSbcRaspberry My 32-bit (armhf) worked with dphys-swapfile in version 20100506-3. My 64-bit (arm64) works with dphys-swapfile in version 20100506-3. Swap is not working after upgrde of my 32-bit (armhf) dphys-swapfile to version 20100506-4. Test1: # journalctl Aug 19 15:24:35 irena systemd[1]: Starting dphys-swapfile - set up, mount/unmount, and delete a swap file... Aug 19 15:24:36 irena dphys-swapfile[403]: want /var/swap=1024MByte Aug 19 15:24:36 irena systemd[1]: dphys-swapfile.service: Main process exited, code=exited, status=1/FAILURE Aug 19 15:24:36 irena systemd[1]: dphys-swapfile.service: Failed with result 'exit-code'. Aug 19 15:24:36 irena systemd[1]: Failed to start dphys-swapfile - set up, mount/unmount, and delete a swap file. # systemctl status swap.target ��� swap.target - Swap Loaded: loaded (/lib/systemd/system/swap.target; static; vendor preset: enabled) Active: active since Fri 2018-06-22 11:11:50 UTC; 1 months 27 days ago Docs: man:systemd.special(7) Warning: Journal has been rotated since unit was started. Log output is incomplete or unavailable. # systemctl status dphys-swapfile.service ��� dphys-swapfile.service - dphys-swapfile - set up, mount/unmount, and delete a swap file Loaded: loaded (/lib/systemd/system/dphys-swapfile.service; enabled; vendor preset: enabled) Active: failed (Result: exit-code) since Sun 2018-08-19 15:24:36 UTC; 1h 45min ago Docs: man:dphys-swapfile(8) Process: 403 ExecStart=/sbin/dphys-swapfile setup (code=exited, status=1/FAILURE) Main PID: 403 (code=exited, status=1/FAILURE) Aug 19 15:24:35 irena systemd[1]: Starting dphys-swapfile - set up, mount/unmount, and delete a swap file... Aug 19 15:24:36 irena dphys-swapfile[403]: want /var/swap=1024MByte Aug 19 15:24:36 irena systemd[1]: dphys-swapfile.service: Main process exited, code=exited, status=1/FAILURE Aug 19 15:24:36 irena systemd[1]: dphys-swapfile.service: Failed with result 'exit-code'. Aug 19 15:24:36 irena systemd[1]: Failed to start dphys-swapfile - set up, mount/unmount, and delete a swap file. # cat /proc/swaps Filename Type Size Used Priority # Swap is not working! Test2: # systemctl start dphys-swapfile.service Job for dphys-swapfile.service failed because the control process exited with error code. See "systemctl status dphys-swapfile.service" and "journalctl -xe" for details. # systemctl status dphys-swapfile.service // Same error message as above # cat /proc/swaps Filename Type Size Used Priority # Swap is not working! // I tried also to erase row "ExecStart=/sbin/dphys-swapfile swapon" in dphys-swapfile.service, but same error message as above. Test3: # /sbin/dphys-swapfile setup want /var/swap=1024MByte # /sbin/dphys-swapfile swapon # cat /proc/swaps Filename Type Size Used Priority /var/swap file 1048572 256 -2 # Swap works! // Swap works even without command "/sbin/dphys-swapfile setup" Test4: Solution: # nano -w /lib/systemd/system/dphys-swapfile.service ExecStart=-/sbin/dphys-swapfile setup // Old: ExecStart=/sbin/dphys-swapfile setup Restart computer! Swap works! I do not know why "ExecStart=/sbin/dphys-swapfile setup" is not working in SystemD for me. // Evald
