Добрый вечер, форумчане.
возникла проблема при раздаче wifi с ноутбука стандартными средствами самой системы Ubuntu 16.04.
Подключаются все планшеты и телефоны кроме одного. При его подключении падает сама раздача wifi на ноуте. После перезагрузки все работает успешно до очередного подключения злополучного телефона.
Удалось отфильтровать syslog в момент ошибки:
Jan 4 18:34:35 emaPC dnsmasq-dhcp[1651]: DHCP packet received on enp3s0 which has no address
Jan 4 18:34:39 emaPC dnsmasq-dhcp[1651]: message repeated 1580 times: [ DHCP packet received on enp3s0 which has no address]
Jan 4 18:34:39 emaPC org.gnome.zeitgeist.Engine[1908]: ** (zeitgeist-datahub:2455): WARNING **: zeitgeist-datahub.vala:229: Unable to get name "org.gnome.zeitgeist.datahub" on the bus!
Jan 4 18:34:39 emaPC dnsmasq-dhcp[1651]: DHCP packet received on enp3s0 which has no address
Jan 4 18:34:43 emaPC dnsmasq-dhcp[1651]: message repeated 2149 times: [ DHCP packet received on enp3s0 which has no address]
Jan 4 18:34:43 emaPC systemd-timesyncd[632]: Synchronized to time server 91.189.89.198:123 (ntp.ubuntu.com).
Jan 4 18:34:43 emaPC dnsmasq-dhcp[1651]: DHCP packet received on enp3s0 which has no address
Jan 4 18:34:50 emaPC kernel: [ 41.662995] wpa_supplicant[1399]: segfault at 30 ip 00005563c2300582 sp 00007ffde1321590 error 4 in wpa_supplicant[5563c228f000+204000]
Jan 4 18:34:50 emaPC dnsmasq-dhcp[1651]: message repeated 2709 times: [ DHCP packet received on enp3s0 which has no address]
Jan 4 18:34:50 emaPC systemd[1]: wpa_supplicant.service: Main process exited, code=dumped, status=11/SEGV
Jan 4 18:34:50 emaPC systemd[1]: wpa_supplicant.service: Unit entered failed state.
Jan 4 18:34:50 emaPC systemd[1]: wpa_supplicant.service: Failed with result 'core-dump'.
Jan 4 18:34:50 emaPC NetworkManager[792]: <info> [1483544090.3195] supplicant: wpa_supplicant stopped
Jan 4 18:34:50 emaPC NetworkManager[792]: <info> [1483544090.3195] device (wlp2s0): supplicant interface state: completed -> down
Jan 4 18:34:50 emaPC dnsmasq[1651]: exiting on receipt of SIGTERM
Jan 4 18:34:50 emaPC NetworkManager[792]: <info> [1483544090.3199] device (wlp2s0): state change: activated -> unavailable (reason 'supplicant-failed') [100 20 10]
Jan 4 18:34:50 emaPC avahi-daemon[799]: Withdrawing address record for fe80::ba03:5ff:fe95:7dba on wlp2s0.
Jan 4 18:34:50 emaPC avahi-daemon[799]: Leaving mDNS multicast group on interface wlp2s0.IPv6 with address fe80::ba03:5ff:fe95:7dba.
Jan 4 18:34:50 emaPC avahi-daemon[799]: Interface wlp2s0.IPv6 no longer relevant for mDNS.
Jan 4 18:34:50 emaPC avahi-daemon[799]: Interface wlp2s0.IPv4 no longer relevant for mDNS.
Jan 4 18:34:50 emaPC avahi-daemon[799]: Leaving mDNS multicast group on interface wlp2s0.IPv4 with address 10.42.0.1.
Jan 4 18:34:50 emaPC avahi-daemon[799]: Withdrawing address record for 10.42.0.1 on wlp2s0.
Jan 4 18:34:50 emaPC kernel: [ 41.971666] iwlwifi 0000:02:00.0: L1 Enabled - LTR Disabled
Jan 4 18:34:50 emaPC kernel: [ 41.978774] iwlwifi 0000:02:00.0: L1 Enabled - LTR Disabled
Jan 4 18:34:50 emaPC kernel: [ 41.978873] iwlwifi 0000:02:00.0: Radio type=0x2-0x2-0x1
Jan 4 18:34:50 emaPC kernel: [ 42.048492] iwlwifi 0000:02:00.0: L1 Enabled - LTR Disabled
Jan 4 18:34:50 emaPC kernel: [ 42.055638] iwlwifi 0000:02:00.0: L1 Enabled - LTR Disabled
Jan 4 18:34:50 emaPC kernel: [ 42.055740] iwlwifi 0000:02:00.0: Radio type=0x2-0x2-0x1
Jan 4 18:34:50 emaPC avahi-daemon[799]: Joining mDNS multicast group on interface wlp2s0.IPv4 with address 10.42.0.1.
Jan 4 18:34:50 emaPC NetworkManager[792]: (NetworkManager:792): NetworkManager-wifi-CRITICAL **: scanning_allowed: assertion 'priv->sup_iface != NULL' failed
Jan 4 18:34:50 emaPC avahi-daemon[799]: New relevant interface wlp2s0.IPv4 for mDNS.
Jan 4 18:34:50 emaPC avahi-daemon[799]: Registering new address record for 10.42.0.1 on wlp2s0.IPv4.
Jan 4 18:34:50 emaPC avahi-daemon[799]: Withdrawing address record for 10.42.0.1 on wlp2s0.
Jan 4 18:34:50 emaPC avahi-daemon[799]: Leaving mDNS multicast group on interface wlp2s0.IPv4 with address 10.42.0.1.
Jan 4 18:34:50 emaPC avahi-daemon[799]: Interface wlp2s0.IPv4 no longer relevant for mDNS.
Jan 4 18:34:50 emaPC dbus[764]: [system] Activating via systemd: service name='org.freedesktop.nm_dispatcher' unit='dbus-org.freedesktop.nm-dispatcher.service'
Jan 4 18:34:50 emaPC NetworkManager[792]: <warn> [1483544090.4747] sup-iface: failed to remove network: The name :1.29 was not provided by any .service files
Jan 4 18:34:50 emaPC NetworkManager[792]: <info> [1483544090.4770] Executing: /sbin/iptables --table nat --delete POSTROUTING --source 10.42.0.0/255.255.255.0 ! --destination 10.42.0.0/255.255.255.0 --jump MASQUERADE
Jan 4 18:34:50 emaPC NetworkManager[792]: <info> [1483544090.4802] Executing: /sbin/iptables --table filter --delete FORWARD --destination 10.42.0.0/255.255.255.0 --out-interface wlp2s0 --match state --state ESTABLISHED,RELATED --jump ACCEPT
Jan 4 18:34:50 emaPC NetworkManager[792]: <info> [1483544090.4838] Executing: /sbin/iptables --table filter --delete FORWARD --source 10.42.0.0/255.255.255.0 --in-interface wlp2s0 --jump ACCEPT
Jan 4 18:34:50 emaPC NetworkManager[792]: <info> [1483544090.4889] Executing: /sbin/iptables --table filter --delete FORWARD --in-interface wlp2s0 --out-interface wlp2s0 --jump ACCEPT
Jan 4 18:34:50 emaPC NetworkManager[792]: <info> [1483544090.4919] Executing: /sbin/iptables --table filter --delete FORWARD --out-interface wlp2s0 --jump REJECT
Jan 4 18:34:50 emaPC NetworkManager[792]: <info> [1483544090.4946] Executing: /sbin/iptables --table filter --delete FORWARD --in-interface wlp2s0 --jump REJECT
Jan 4 18:34:50 emaPC NetworkManager[792]: <info> [1483544090.4974] Executing: /sbin/iptables --table filter --delete INPUT --in-interface wlp2s0 --protocol udp --destination-port 67 --jump ACCEPT
Jan 4 18:34:50 emaPC NetworkManager[792]: <info> [1483544090.5009] Executing: /sbin/iptables --table filter --delete INPUT --in-interface wlp2s0 --protocol tcp --destination-port 67 --jump ACCEPT
Jan 4 18:34:50 emaPC NetworkManager[792]: <info> [1483544090.5040] Executing: /sbin/iptables --table filter --delete INPUT --in-interface wlp2s0 --protocol udp --destination-port 53 --jump ACCEPT
Jan 4 18:34:50 emaPC NetworkManager[792]: <info> [1483544090.5075] Executing: /sbin/iptables --table filter --delete INPUT --in-interface wlp2s0 --protocol tcp --destination-port 53 --jump ACCEPT
Jan 4 18:34:50 emaPC systemd[1]: Starting Network Manager Script Dispatcher Service...
Jan 4 18:34:50 emaPC dbus[764]: [system] Successfully activated service 'org.freedesktop.nm_dispatcher'
Jan 4 18:34:50 emaPC systemd[1]: Started Network Manager Script Dispatcher Service.
Jan 4 18:34:50 emaPC nm-dispatcher: req:1 'down' [wlp2s0]: new request (1 scripts)
Jan 4 18:34:50 emaPC nm-dispatcher: req:1 'down' [wlp2s0]: start running ordered scripts...
Подскажите, пожалуйста, в какую сторону копать, чтобы решить проблему (чтобы и этот злополучный телефон мог подключаться к wifi с ноута)?
Заранее спасибо