Know problem with Kernel 4.13. 4.13.8 works for me.
** Description changed: Ubuntu 17.10 wpasupplicant 2.4-0ubuntu10 System shutdown hangs because wpa_supplicant is not stopping itself. Test with: $ sudo systemctl stop wpa_supplicant Journal shows: 11:37:32 systemd[1]: Stopping WPA supplicant... 11:37:32 wpa_supplicant[941]: nl80211: deinit ifname=p2p-dev-wlp2s0 disabled_11b_rates=0 11:37:32 wpa_supplicant[941]: p2p-dev-wlp2s0: CTRL-EVENT-TERMINATING 11:37:32 kernel: wlp2s0: deauthenticating from <BSSID> by local choice (Reason: 3=DEAUTH_LEAVING) 11:39:02 systemd[1]: wpa_supplicant.service: State 'stop-sigterm' timed out. Killing. 11:39:02 systemd[1]: wpa_supplicant.service: Killing process 941 (wpa_supplicant) with signal SIGKILL. 11:40:33 systemd[1]: wpa_supplicant.service: Processes still around after SIGKILL. Ignoring. 11:42:03 systemd[1]: wpa_supplicant.service: State 'stop-final-sigterm' timed out. Killing. 11:42:03 systemd[1]: wpa_supplicant.service: Killing process 941 (wpa_supplicant) with signal SIGKILL. 11:43:33 systemd[1]: wpa_supplicant.service: Processes still around after final SIGKILL. Entering failed mode. 11:43:33 systemd[1]: Stopped WPA supplicant. 11:43:33 systemd[1]: wpa_supplicant.service: Unit entered failed state. 11:43:33 systemd[1]: wpa_supplicant.service: Failed with result 'timeout'. - - System is a Lenovo Yoga 510-14ISK - lspci output: - 00:00.0 Host bridge: Intel Corporation Skylake Host Bridge/DRAM Registers (rev 08) - 00:02.0 VGA compatible controller: Intel Corporation HD Graphics 520 (rev 07) - 00:14.0 USB controller: Intel Corporation Sunrise Point-LP USB 3.0 xHCI Controller (rev 21) - 00:14.2 Signal processing controller: Intel Corporation Sunrise Point-LP Thermal subsystem (rev 21) - 00:15.0 Signal processing controller: Intel Corporation Sunrise Point-LP Serial IO I2C Controller #0 (rev 21) - 00:15.1 Signal processing controller: Intel Corporation Sunrise Point-LP Serial IO I2C Controller #1 (rev 21) - 00:16.0 Communication controller: Intel Corporation Sunrise Point-LP CSME HECI #1 (rev 21) - 00:17.0 SATA controller: Intel Corporation Sunrise Point-LP SATA Controller [AHCI mode] (rev 21) - 00:1c.0 PCI bridge: Intel Corporation Sunrise Point-LP PCI Express Root Port #5 (rev f1) - 00:1c.5 PCI bridge: Intel Corporation Sunrise Point-LP PCI Express Root Port #6 (rev f1) - 00:1d.0 PCI bridge: Intel Corporation Sunrise Point-LP PCI Express Root Port #9 (rev f1) - 00:1f.0 ISA bridge: Intel Corporation Sunrise Point-LP LPC Controller (rev 21) - 00:1f.2 Memory controller: Intel Corporation Sunrise Point-LP PMC (rev 21) - 00:1f.3 Audio device: Intel Corporation Sunrise Point-LP HD Audio (rev 21) - 00:1f.4 SMBus: Intel Corporation Sunrise Point-LP SMBus (rev 21) - 01:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 15) 02:00.0 Network controller: Qualcomm Atheros QCA9377 802.11ac Wireless Network Adapter (rev 30) - 03:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTS5229 PCI Express Card Reader (rev 01) - P.S. also shows this bug, but reporting much more frequently then 2 minutes: https://bugs.launchpad.net/ubuntu/+source/wpa/+bug/1323089 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1724805 Title: wpa_supplicant fails to shutdown To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/wpa/+bug/1724805/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
