# systemctl cat /lib/systemd/system/wpa_supplicant.service # /lib/systemd/system/wpa_supplicant.service [Unit] Description=WPA supplicant Before=network.target [Service] Type=dbus BusName=fi.epitest.hostap.WPASupplicant ExecStart=/sbin/wpa_supplicant -u -s -O /run/wpa_supplicant [Install] WantedBy=multi-user.target Alias=dbus-fi.epitest.hostap.WPASupplicant.service # ip add 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: eth0: mtu 1500 qdisc pfifo_fast state DOWN group default qlen 1000 link/ether 2c:d4:44:b4:fc:4e brd ff:ff:ff:ff:ff:ff 3: wwan0: mtu 1500 qdisc noop state DOWN group default qlen 1000 link/ether 22:9a:fa:12:06:6e brd ff:ff:ff:ff:ff:ff 4: wlan0: mtu 1500 qdisc mq state DOWN group default qlen 1000 link/ether 60:67:20:70:8b:f0 brd ff:ff:ff:ff:ff:ff # systemctl cat mnt-usb.mount * mnt-usb.mount - /mnt/usb Loaded: loaded (/etc/fstab) Active: deactivating (unmounting) (Result: exit-code) since Tue 2014-12-09 21:19:23 CET; 1min 13s ago Where: /mnt/usb What: curlftpfs#ftp://192.168.0.1/disk_sda1/ Docs: man:fstab(5) man:systemd-fstab-generator(8) Control: 7017 (umount) CGroup: /system.slice/mnt-usb.mount `-7017 /bin/umount -n /mnt/usb # dmesg # halting and trying to summarizing ... [ 183.760105] systemd[1]: Trying to enqueue job halt.target/start/replace-irreversibly [ 183.760821] systemd[1]: Installed new job halt.target/start as 3091 [ 183.760832] systemd[1]: Installed new job systemd-halt.service/start as 3092 ... [ 183.761180] systemd[1]: Installed new job NetworkManager.service/stop as 3146 [ 183.761186] systemd[1]: Installed new job cups-browsed.service/stop as 3147 [ 183.761193] systemd[1]: Installed new job wpa_supplicant.service/stop as 3149 .... [ 183.761360] systemd[1]: Installed new job network-online.target/stop as 3185 [ 183.761367] systemd[1]: Installed new job remote-fs-pre.target/stop as 3188 ... [ 183.761624] systemd[1]: Installed new job umount.target/start as 3225 .... [ 183.761676] systemd[1]: Installed new job mnt-usb.mount/stop as 3233 [ 183.761686] systemd[1]: Installed new job dev-mapper-doraemon\x2dswap.swap/stop as 3234 [ 183.761695] systemd[1]: Installed new job dev-doraemon-swap.swap/stop as 3235 [ 183.802307] systemd[1]: Deactivating swap /dev/mapper/doraemon-swap... ... [ 183.802381] systemd[1]: Unmounting /mnt/usb... [ 183.802537] systemd[1]: About to execute: /bin/umount -n /mnt/usb [ 183.802609] systemd[7016]: Executing: /sbin/swapoff /dev/mapper/doraemon-swap [ 183.802646] systemd[1]: Forked /bin/umount as 7017 [ 183.802764] systemd[1]: mnt-usb.mount changed mounted -> unmounting [ 183.802784] systemd[1]: Stopping Session 1 of user javi. [ 183.803057] systemd[7017]: Executing: /bin/umount -n /mnt/usb [ 183.811847] systemd[1]: session-1.scope changed running -> dead [ 183.811897] systemd[1]: Failed to destroy cgroup /user.slice/user-1000.slice/session-1.scope: Device or resource busy [ 183.811909] systemd[1]: Job session-1.scope/stop finished, result=done [ 183.811920] systemd[1]: Stopped Session 1 of user javi. ..... [ 183.814656] systemd[1]: Stopping WPA supplicant... > WPA deauthenticating but umount is not finish [ 183.814784] wlan0: deauthenticating from e4:c1:46:b4:17:70 by local choice (Reason: 3=DEAUTH_LEAVING) [ 183.814833] systemd[1]: wpa_supplicant.service changed running -> stop-sigterm ... [ 183.875853] systemd[1]: Failed to send unit change signal for wpa_supplicant.service: Transport endpoint is not connected ... [ 183.875928] systemd[1]: Failed to send unit change signal for mnt-usb.mount: Transport endpoint is not connected ... [ 274.143786] systemd[1]: mnt-usb.mount unmounting timed out. Stopping. [ 274.146565] systemd[1]: mnt-usb.mount changed unmounting -> unmounting-sigterm