// more info-- $lspci | grep Network 3b:00.0 Network controller: Qualcomm Atheros QCA6174 802.11ac Wireless Network Adapter (rev 32) $lshw -C Network *-network description: Wireless interface product: QCA6174 802.11ac Wireless Network Adapter vendor: Qualcomm Atheros physical id: 0 bus info: pci@0000:3b:00.0 logical name: wlp59s0 version: 32 serial: 9c:b6:d0:c5:07:6d width: 64 bits clock: 33MHz capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless configuration: broadcast=yes driver=ath10k_pci driverversion=4.18.0-18-generic firmware=WLAN.RM.4.4.1-00079-QCARMSWPZ-1 ip=192.168.100.26 latency=0 link=yes multicast=yes wireless=IEEE 802.11 resources: irq:141 memory:ed200000-ed3fffff $lsmod | grep ath ath10k_pci 40960 0 ath10k_core 417792 1 ath10k_pci ath 32768 1 ath10k_core mac80211 802816 1 ath10k_core cfg80211 667648 3 ath,mac80211,ath10k_core $dpkg -l | grep -e linux-image -e linux-firmware ii linux-firmware 1.173.5 all Firmware for Linux kernel drivers ii linux-image-4.18.0-18-generic 4.18.0-18.19~18.04.1 amd64 Signed kernel image generic From syslog issue date - May 10 after 2 pm. attaching log file for your info.. $May 10 14:14:53 test wpa_supplicant[820]: wlp59s0: CTRL-EVENT-SCAN-FAILED ret=-11 May 10 14:14:53 test kernel: [20152.286512] ath10k_pci 0000:3b:00.0: wmi command 12289 timeout, restarting hardware May 10 14:14:53 test kernel: [20152.286522] ath10k_pci 0000:3b:00.0: failed to start hw scan: -11 May 10 14:14:53 test kernel: [20152.330501] ath10k_pci 0000:3b:00.0: failed to read hi_board_data address: -16 May 10 14:14:57 test kernel: [20155.370449] ath10k_pci 0000:3b:00.0: failed to receive initialized event from target: 00000000 May 10 14:14:57 test gnome-shell[1944]: Object St.Widget (0x55736178b2d0), has been already deallocated - impossible to access it. This might be caused by the object having been destroyed from C code using something such as destroy(), dispose(), or remove() vfuncs May 10 14:14:57 test org.gnome.Shell.desktop[1944]: == Stack trace for context 0x55735e21c330 == May 10 14:14:57 test org.gnome.Shell.desktop[1944]: #0 0x55735e5b7af0 i resource:///org/gnome/shell/ui/modalDialog.js:93 (0x7ff1701f14d8 @ 22) May 10 14:14:57 test org.gnome.Shell.desktop[1944]: #1 0x7ffc0458d9c0 I resource:///org/gnome/gjs/modules/_legacy.js:82 (0x7ff1701b5de0 @ 71) May 10 14:14:57 test org.gnome.Shell.desktop[1944]: #2 0x55735e5b7a38 i resource:///org/gnome/gjs/modules/_legacy.js:39 (0x7ff1701b5b38 @ 215) May 10 14:14:57 test org.gnome.Shell.desktop[1944]: #3 0x55735e5b79a8 i resource:///org/gnome/shell/ui/status/network.js:783 (0x7ff10d814cd0 @ 409) May 10 14:14:57 test org.gnome.Shell.desktop[1944]: #4 0x7ffc0458ed30 I resource:///org/gnome/gjs/modules/_legacy.js:82 (0x7ff1701b5de0 @ 71) May 10 14:14:57 test org.gnome.Shell.desktop[1944]: #5 0x55735e5b7920 i resource:///org/gnome/shell/ui/modalDialog.js:168 (0x7ff1701f1a28 @ 92) May 10 14:14:57 test org.gnome.Shell.desktop[1944]: #6 0x7ffc0458f910 I resource:///org/gnome/gjs/modules/_legacy.js:82 (0x7ff1701b5de0 @ 71) May 10 14:14:57 test org.gnome.Shell.desktop[1944]: #7 0x7ffc045900a0 b self-hosted:914 (0x7ff1701f12b8 @ 346) May 10 14:14:57 test org.gnome.Shell.desktop[1944]: #8 0x7ffc04591010 b resource:///org/gnome/gjs/modules/tweener/tweener.js:208 (0x7ff1701d2b38 @ 54) May 10 14:14:57 test org.gnome.Shell.desktop[1944]: #9 0x7ffc04591160 b resource:///org/gnome/gjs/modules/tweener/tweener.js:337 (0x7ff1701d2bc0 @ 1626) May 10 14:14:57 test org.gnome.Shell.desktop[1944]: #10 0x7ffc04591210 b resource:///org/gnome/gjs/modules/tweener/tweener.js:350 (0x7ff1701d2c48 @ 100) May 10 14:14:57 test org.gnome.Shell.desktop[1944]: #11 0x7ffc045912a0 b resource:///org/gnome/gjs/modules/tweener/tweener.js:365 (0x7ff1701d2cd0 @ 10) May 10 14:14:57 test org.gnome.Shell.desktop[1944]: #12 0x7ffc04591320 I resource:///org/gnome/gjs/modules/signals.js:128 (0x7ff1701d2230 @ 386) May 10 14:14:57 test org.gnome.Shell.desktop[1944]: #13 0x7ffc045913d0 b resource:///org/gnome/shell/ui/tweener.js:244 (0x7ff1701cf808 @ 159) May 10 14:14:57 test org.gnome.Shell.desktop[1944]: #14 0x7ffc04591430 I resource:///org/gnome/gjs/modules/_legacy.js:82 (0x7ff1701b5de0 @ 71) May 10 14:14:57 test org.gnome.Shell.desktop[1944]: #15 0x7ffc045914d0 b resource:///org/gnome/shell/ui/tweener.js:219 (0x7ff1701cf780 @ 15) May 10 14:14:57 test gnome-shell[1944]: clutter_actor_destroy: assertion 'CLUTTER_IS_ACTOR (self)' failed May 10 14:15:00 test kernel: [20158.400363] ath10k_pci 0000:3b:00.0: failed to receive initialized event from target: 00000000 May 10 14:15:00 test kernel: [20158.400366] ath10k_pci 0000:3b:00.0: failed to wait for target init: -110 May 10 14:15:00 test kernel: [20158.403615] ieee80211 phy0: Hardware restart was requested *** May 10 14:15:06 test kernel: [20164.399199] Hardware became unavailable during restart. May 10 14:15:06 test kernel: [20164.399294] WARNING: CPU: 2 PID: 25 at /build/linux-hwe-juiyda/linux-hwe-4.18.0/net/mac80211/util.c:1907 ieee80211_reconfig+0x226/0xfd0 [mac80211] May 10 14:15:06 test kernel: [20164.399298] ath10k_pci 0000:3b:00.0: cannot restart a device that hasn't been started May 10 14:15:06 test kernel: [20164.399299] Modules linked in: rfcomm ccm thunderbolt arc4 wacom hid_multitouch usbhid hid_generic snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic cmac bnep dell_laptop dell_wmi dell_smbios intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel nls_iso8859_1 wmi_bmof intel_wmi_thunderbolt kvm irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel dell_wmi_descriptor pcbc dcdbas aesni_intel aes_x86_64 crypto_simd cryptd glue_helper nouveau intel_cstate snd_hda_intel intel_rapl_perf snd_hda_codec snd_hda_core mxm_wmi snd_hwdep snd_pcm joydev input_leds serio_raw snd_seq_midi snd_seq_midi_event snd_rawmidi ath10k_pci ath10k_core ath snd_seq mac80211 snd_seq_device uvcvideo snd_timer videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common btusb snd i915 btrtl May 10 14:15:06 test kernel: [20164.399407] videodev soundcore btbcm cfg80211 btintel media cdc_acm bluetooth rtsx_pci_ms memstick ecdh_generic ucsi_acpi ttm typec_ucsi typec drm_kms_helper int3403_thermal drm i2c_algo_bit fb_sys_fops dell_smo8800 wmi syscopyarea sysfillrect video idma64 processor_thermal_device sysimgblt mei_me intel_hid virt_dma int340x_thermal_zone int3400_thermal acpi_pad sparse_keymap acpi_thermal_rel mei intel_soc_dts_iosf mac_hid intel_lpss_pci intel_lpss intel_pch_thermal sch_fq_codel parport_pc ppdev lp parport ip_tables x_tables autofs4 rtsx_pci_sdmmc nvme psmouse ahci nvme_core rtsx_pci libahci i2c_hid hid pinctrl_cannonlake pinctrl_intel May 10 14:15:06 test kernel: [20164.399487] CPU: 2 PID: 25 Comm: kworker/2:0 Not tainted 4.18.0-18-generic #19~18.04.1-Ubuntu May 10 14:15:06 test kernel: [20164.399489] Hardware name: Dell Inc. XPS 15 9570/0HWTMH, BIOS 1.7.0 12/25/2018 May 10 14:15:06 test kernel: [20164.399515] Workqueue: events_freezable ieee80211_restart_work [mac80211] May 10 14:15:06 test kernel: [20164.399551] RIP: 0010:ieee80211_reconfig+0x226/0xfd0 [mac80211] May 10 14:15:06 test kernel: [20164.399552] Code: c6 45 d6 00 c6 83 94 04 00 00 00 48 89 df e8 61 ac fc ff 85 c0 41 89 c7 0f 84 30 01 00 00 48 c7 c7 28 d5 b4 c0 e8 0a 89 38 ec <0f> 0b 48 89 df e8 60 dc ff ff eb b0 c6 83 95 04 00 00 00 4c 8d a3 May 10 14:15:06 test kernel: [20164.399624] RSP: 0018:ffff9735832bbe08 EFLAGS: 00010282 May 10 14:15:06 test kernel: [20164.399628] RAX: 0000000000000000 RBX: ffff88a70c070760 RCX: 0000000000000006 May 10 14:15:06 test kernel: [20164.399630] RDX: 0000000000000007 RSI: 0000000000000092 RDI: ffff88a71bc964b0 May 10 14:15:06 test kernel: [20164.399632] RBP: ffff9735832bbe50 R08: 0000000000000670 R09: 0000000000000004 May 10 14:15:06 test kernel: [20164.399635] R10: 0000000000000277 R11: 0000000000000001 R12: ffff88a70c0713a0 May 10 14:15:06 test kernel: [20164.399637] R13: ffff88a70c070760 R14: ffff88a70c070f90 R15: 00000000ffffff92 May 10 14:15:06 test kernel: [20164.399640] FS: 0000000000000000(0000) GS:ffff88a71bc80000(0000) knlGS:0000000000000000 May 10 14:15:06 test kernel: [20164.399643] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 May 10 14:15:06 test kernel: [20164.399646] CR2: 00003cfdcee7a040 CR3: 000000014ce0a004 CR4: 00000000003606e0 May 10 14:15:06 test kernel: [20164.399648] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 May 10 14:15:06 test kernel: [20164.399650] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 May 10 14:15:06 test kernel: [20164.399652] Call Trace: May 10 14:15:06 test kernel: [20164.399680] ieee80211_restart_work+0xc0/0xf0 [mac80211] May 10 14:15:06 test kernel: [20164.399689] process_one_work+0x1fd/0x3f0 May 10 14:15:06 test kernel: [20164.399695] worker_thread+0x34/0x410 May 10 14:15:06 test kernel: [20164.399700] kthread+0x121/0x140 May 10 14:15:06 test kernel: [20164.399706] ? process_one_work+0x3f0/0x3f0 May 10 14:15:06 test kernel: [20164.399711] ? kthread_create_worker_on_cpu+0x70/0x70 May 10 14:15:06 test kernel: [20164.399717] ret_from_fork+0x35/0x40 May 10 14:15:06 test kernel: [20164.399721] ---[ end trace acc85e885cc50828 ]--- May 10 14:15:06 test kernel: [20164.399972] ------------[ cut here ]------------ May 10 14:15:06 test kernel: [20164.399975] p2p-dev-wlp59s0: Failed check-sdata-in-driver check, flags: 0x0 ** Followed by system hang. Then mostly freezing issues happening, unable to change mount pointer, whole system got in hung state. Please investigate