● zram-setup@zram0.service - Setup zram based device zram0
     Loaded: loaded (/usr/lib/systemd/system/zram-setup@.service; static; vendor preset: disabled)
    Drop-In: /etc/systemd/system/zram-setup@zram0.service.d
             └─override.conf
     Active: active (exited) since Sat 2020-03-07 01:54:13 MSK; 1s ago
    Process: 14963 ExecStart=/bin/sh -c echo $ZRAM_NUM_STR > /sys/class/block/zram0/max_comp_streams (code=exited, status=0/SUCCESS)
    Process: 14964 ExecStart=/bin/sh -c echo $ZRAM_DEV_SIZE > /sys/class/block/zram0/disksize (code=exited, status=0/SUCCESS)
    Process: 14965 ExecStart=/bin/sh -c [ "$SWAP" = "y" ] && mkswap /dev/zram0 && swapon /dev/zram0 (code=exited, status=0/SUCCESS)
    Process: 14967 ExecStart=/bin/sh -c [ ! -z ${ZRAM_COMP_ALG+x} ] && echo $ZRAM_COMP_ALG > /sys/class/block/zram0/comp_algorithm (code=exited, status=1/FAILURE)
    Process: 14968 ExecStart=/bin/sh -c echo $ZRAM_NUM_STR > /sys/class/block/zram0/max_comp_streams (code=exited, status=0/SUCCESS)
    Process: 14969 ExecStart=/bin/sh -c echo $ZRAM_DEV_SIZE > /sys/class/block/zram0/disksize (code=exited, status=1/FAILURE)
    Process: 14970 ExecStart=/bin/sh -c [ "$SWAP" = "y" ] && mkswap /dev/zram0 && swapon -p $SWAP_PRI /dev/zram0 (code=exited, status=1/FAILURE)
   Main PID: 14970 (code=exited, status=1/FAILURE)

мар 07 01:54:13 w-top systemd[1]: Starting Setup zram based device zram0...
мар 07 01:54:13 w-top sh[14966]: Setting up swapspace version 1, size = 4 GiB (4294963200 bytes)
мар 07 01:54:13 w-top sh[14966]: no label, UUID=aa9187f4-485a-4ad5-9df7-bcbceeaf08d3
мар 07 01:54:13 w-top sh[14969]: /bin/sh: line 0: echo: write error: Device or resource busy
мар 07 01:54:13 w-top sh[14971]: mkswap: error: /dev/zram0 is mounted; will not make swapspace
мар 07 01:54:13 w-top systemd[1]: Started Setup zram based device zram0.