Em momentos aleatórios, o Ubuntu 16.04 congela. Eu tentei algumas soluções na internet, nada funciona para mim:
Todas essas solições não funcionaram para mim.
Eu recebi meu syslog pouco antes de o sistema começar a se comportar de maneira estranha:
Apr 20 18:51:50 yay wpa_supplicant[941]: wlp2s0: CTRL-EVENT-DISCONNECTED bssid=f8:3d:ff:a3:29:2a reason=4 locally_generated=1
Apr 20 18:51:51 yay kernel: [25467.040692] ath: phy0: Chip reset failed
Apr 20 18:51:51 yay kernel: [25467.040699] ath: phy0: Unable to reset channel, reset status -22
Apr 20 18:51:51 yay NetworkManager[786]: <warn> [1524239511.0010] sup-iface[0x1f2dec0,wlp2s0]: connection disconnected (reason -4)
Apr 20 18:51:51 yay kernel: [25467.054017] ath: phy0: DMA failed to stop in 10 ms AR_CR=0xffffffff AR_DIAG_SW=0xffffffff DMADBG_7=0xffffffff
Apr 20 18:51:51 yay kernel: [25467.211229] ath: phy0: Chip reset failed
Apr 20 18:51:51 yay avahi-daemon[757]: Interface wlp2s0.IPv6 no longer relevant for mDNS.
Apr 20 18:51:51 yay avahi-daemon[757]: Leaving mDNS multicast group on interface wlp2s0.IPv6 with address fe80::6d9d:c68:2cfe:76e0.
Apr 20 18:51:53 yay dhclient[6828]: receive_packet failed on wlp2s0: Network is down
Apr 20 18:51:53 yay kernel: [25469.520460] ath: phy0: RX failed to go idle in 10 ms RXSM=0xffffffff
Apr 20 18:51:53 yay kernel: [25469.530838] ath: phy0: DMA failed to stop in 10 ms AR_CR=0xffffffff AR_DIAG_SW=0xffffffff DMADBG_7=0xffffffff
Apr 20 18:51:53 yay NetworkManager[786]: <info> [1524239513.5046] device (wlp2s0): state change: activated -> unmanaged (reason 'removed') [100 10 36]
Apr 20 18:51:53 yay avahi-daemon[757]: Interface wlp2s0.IPv4 no longer relevant for mDNS.
Apr 20 18:51:53 yay avahi-daemon[757]: Leaving mDNS multicast group on interface wlp2s0.IPv4 with address 192.168.1.27.
Apr 20 18:51:53 yay avahi-daemon[757]: Withdrawing address record for fe80::6d9d:c68:2cfe:76e0 on wlp2s0.
Apr 20 18:51:53 yay avahi-daemon[757]: Withdrawing address record for 192.168.1.27 on wlp2s0.
Apr 20 18:51:53 yay whoopsie[1188]: [18:51:53] Cannot reach: https://daisy.ubuntu.com
Apr 20 18:51:53 yay whoopsie[1188]: [18:51:53] offline
Apr 20 18:51:53 yay whoopsie[1188]: [18:51:53] Cannot reach: https://daisy.ubuntu.com
Apr 20 18:51:53 yay NetworkManager[786]: <info> [1524239513.5252] dhcp4 (wlp2s0): canceled DHCP transaction, DHCP client pid 6828
Apr 20 18:51:53 yay NetworkManager[786]: <info> [1524239513.5252] dhcp4 (wlp2s0): state changed bound -> done
Apr 20 18:51:53 yay NetworkManager[786]: <error> [1524239513.5261] platform-linux: do-change-link[3]: failure changing link: failure 19 (No such device)
Apr 20 18:51:53 yay NetworkManager[786]: <error> [1524239513.5264] platform-linux: do-change-link[3]: failure changing link: failure 19 (No such device)
Apr 20 18:51:53 yay NetworkManager[786]: <info> [1524239513.5268] dns-mgr: Writing DNS information to /sbin/resolvconf
Apr 20 18:51:53 yay systemd[1]: Starting Load/Save RF Kill Switch Status...
Apr 20 18:51:53 yay dnsmasq[1126]: setting upstream servers from DBus
Apr 20 18:51:53 yay systemd[1]: Started Load/Save RF Kill Switch Status.
Apr 20 18:51:53 yay NetworkManager[786]: <info> [1524239513.6104] manager: NetworkManager state is now CONNECTED_LOCAL
Apr 20 18:51:55 yay NetworkManager[786]: <info> [1524239515.7286] manager: NetworkManager state is now DISCONNECTED
Apr 20 18:51:58 yay wpa_supplicant[941]: nl80211: deinit ifname=wlp2s0 disabled_11b_rates=0
Apr 20 18:51:58 yay NetworkManager[786]: <error> [1524239518.0165] platform-linux: do-change-link[3]: failure changing link: failure 19 (No such device)
Apr 20 18:51:58 yay NetworkManager[786]: <warn> [1524239518.0175] device (wlp2s0): failed to disable userspace IPv6LL address handling
Apr 20 18:51:58 yay NetworkManager[786]: <info> [1524239518.0185] radio killswitch /sys/devices/pci0000:00/0000:00:1c.1/0000:02:00.0/ieee80211/phy0/rfkill2 disappeared
Apr 20 18:51:58 yay NetworkManager[786]: <info> [1524239518.0196] devices removed (path: /sys/devices/pci0000:00/0000:00:1c.1/0000:02:00.0/net/wlp2s0, iface: wlp2s0)
Apr 20 18:51:58 yay dbus[763]: [system] Activating via systemd: service name='org.freedesktop.nm_dispatcher' unit='dbus-org.freedesktop.nm-dispatcher.service'
Apr 20 18:51:58 yay systemd[1]: Starting Network Manager Script Dispatcher Service...
Apr 20 18:52:00 yay dbus[763]: [system] Successfully activated service 'org.freedesktop.nm_dispatcher'
Apr 20 18:52:00 yay systemd[1]: Started Network Manager Script Dispatcher Service.
Apr 20 18:52:00 yay nm-dispatcher: req:1 'down' [wlp2s0]: new request (1 scripts)
Apr 20 18:52:00 yay nm-dispatcher: req:1 'down' [wlp2s0]: start running ordered scripts...
Se for necessário, minha versão do kernel: 4.13.0-38-generic.
As informações do meu sistema como uma imagem:
Informações do meu sistema como uma imagem
Qualquer ajuda apreciada, Obrigado.
