In my syslog i have this lines :
Apr 6 13:42:58 debian gvfsd-network[3909]: Couldn't create directory monitor on smb://x-gnome-default-workgroup/. Error: L'emplacement indiqué n'est pas monté Apr 6 14:07:50 debian kernel: [15855.529860] usb 1-2: new full-speed USB device number 5 using xhci_hcd Apr 6 14:07:50 debian kernel: [15855.759454] usb 1-2: New USB device found, idVendor=054c, idProduct=0885 Apr 6 14:07:50 debian kernel: [15855.759461] usb 1-2: New USB device strings: Mfr=0, Product=2, SerialNumber=0 Apr 6 14:07:50 debian kernel: [15855.759465] usb 1-2: Product: MDR-ZX330BT Apr 6 14:07:50 debian mtp-probe: checking bus 1, device 5: "/sys/devices/pci0000:00/0000:00:14.0/usb1/1-2" Apr 6 14:07:50 debian mtp-probe: bus: 1, device: 5 was not an MTP device Apr 6 14:07:51 debian kernel: [15856.303846] hid-generic 0003:054C:0885.0003: hiddev0,hidraw2: USB HID v1.11 Device [MDR-ZX330BT] on usb-0000:00:14.0-2/input0 Apr 6 14:09:01 debian CRON[4517]: (root) CMD ( [ -x /usr/lib/php/sessionclean ] && if [ ! -d /run/systemd/system ]; then /usr/lib/php/sessionclean; fi) Apr 6 14:16:00 debian wpa_supplicant[819]: wlp58s0: WPA: Group rekeying completed with a0:e0:af:22:31:0f [GTK=CCMP] Apr 6 14:17:01 debian CRON[4526]: (root) CMD ( cd / && run-parts --report /etc/cron.hourly) Apr 6 14:39:01 debian CRON[4549]: (root) CMD ( [ -x /usr/lib/php/sessionclean ] && if [ ! -d /run/systemd/system ]; then /usr/lib/php/sessionclean; fi) Apr 6 15:09:01 debian CRON[4579]: (root) CMD ( [ -x /usr/lib/php/sessionclean ] && if [ ! -d /run/systemd/system ]; then /usr/lib/php/sessionclean; fi) ^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@ --- HERE : REBOOT --- Apr 6 15:17:19 debian systemd-modules-load[332]: Inserted module 'lp' Apr 6 15:17:19 debian systemd-modules-load[332]: Inserted module 'ppdev' Apr 6 15:17:19 debian systemd-modules-load[332]: Inserted module 'parport_pc' Apr 6 15:17:19 debian lvm[334]: 2 logical volume(s) in volume group "vg" monitored Apr 6 15:17:19 debian systemd[1]: Starting Flush Journal to Persistent Storage... Apr 6 15:17:19 debian systemd[1]: Started Flush Journal to Persistent Storage. Apr 6 15:17:19 debian systemd[1]: Started udev Coldplug all Devices. Apr 6 15:17:19 debian systemd[1]: Started udev Kernel Device Manager.