Public bug reported:

samsung laptop running Mint Linux 19/Mate,

kernel:
------
Linux gartim-930X2K-931X2K 4.15.0-38-generic #41-Ubuntu SMP Wed Oct 10 10:59:38 
UTC 2018 x86_64 x86_64 x86_64 GNU/Linux

os-version:
----------
NAME="Linux Mint"
VERSION="19 (Tara)"
ID=linuxmint
ID_LIKE=ubuntu
PRETTY_NAME="Linux Mint 19"
VERSION_ID="19"
HOME_URL="https://www.linuxmint.com/";
SUPPORT_URL="https://forums.ubuntu.com/";
BUG_REPORT_URL="http://linuxmint-troubleshooting-guide.readthedocs.io/en/latest/";
PRIVACY_POLICY_URL="https://www.linuxmint.com/";
VERSION_CODENAME=tara
UBUNTU_CODENAME=bionic

console log:
-----------
[   25.380372] ath: EEPROM regdomain: 0x8348
[   25.380373] ath: EEPROM indicates we should expect a country code
[   25.380374] ath: doing EEPROM country->regdmn map search
[   25.380376] ath: country maps to regdmn code: 0x3a
[   25.380377] ath: Country alpha2 being used: US
[   25.380378] ath: Regpair used: 0x3a
[   25.380379] ath: regdomain 0x8348 dynamically updated by country IE
[   25.400502] IPv6: ADDRCONF(NETDEV_CHANGE): wlp1s0: link becomes ready
[   75.248558] wlp1s0: deauthenticating from f8:1a:67:32:ee:14 by local choice 
(Reason: 3=DEAUTH_LEAVING)
[   75.261058] ath10k_pci 0000:01:00.0: firmware crashed! (guid 
11fd3719-d3fb-4315-aa31-02ca1a37ba93)
[   75.261078] ath10k_pci 0000:01:00.0: qca6174 hw2.1 target 0x05010000 chip_id 
0x003405ff sub 144d:4125
[   75.261086] ath10k_pci 0000:01:00.0: kconfig debug 0 debugfs 1 tracing 1 dfs 
0 testmode 0
[   75.261602] ath10k_pci 0000:01:00.0: firmware ver 
SW_RM.1.1.1-00157-QCARMSWPZ-1 api 5 features ignore-otp,no-4addr-pad crc32 
10bf8e08
[   75.261861] ath10k_pci 0000:01:00.0: board_file api 2 bmi_id N/A crc32 
ae2e275a
[   75.261866] ath10k_pci 0000:01:00.0: htt-ver 3.1 wmi-op 4 htt-op 3 cal otp 
max-sta 32 raw 0 hwcrypto 1
[   75.263875] ath10k_pci 0000:01:00.0: firmware register dump:
[   75.263883] ath10k_pci 0000:01:00.0: [00]: 0x05010000 0x00000000 0x0092E4DC 
0x9C0BFF62
[   75.263889] ath10k_pci 0000:01:00.0: [04]: 0x0092E4DC 0x00060130 0x00000018 
0x0041A760
[   75.263893] ath10k_pci 0000:01:00.0: [08]: 0x9C0BFF4E 0x00400000 0x00000000 
0x000A5C88
[   75.263898] ath10k_pci 0000:01:00.0: [12]: 0x00000009 0x00000000 0x0096C09C 
0x0096C0A7
[   75.263903] ath10k_pci 0000:01:00.0: [16]: 0x0096BDBC 0x009287BD 0x00000000 
0x009287BD
[   75.263907] ath10k_pci 0000:01:00.0: [20]: 0x4092E4DC 0x0041A710 0x00000000 
0x0F000000
[   75.263911] ath10k_pci 0000:01:00.0: [24]: 0x809432A7 0x0041A770 0x0040D400 
0xC092E4DC
[   75.263916] ath10k_pci 0000:01:00.0: [28]: 0x80942BC4 0x0041A790 0x9C0BFF4E 
0x00400000
[   75.263920] ath10k_pci 0000:01:00.0: [32]: 0x80947BA7 0x0041A7B0 0x00404D88 
0x0040E074
[   75.263925] ath10k_pci 0000:01:00.0: [36]: 0x809BDECC 0x0041A7D0 0x00404D88 
0x0040E074
[   75.263929] ath10k_pci 0000:01:00.0: [40]: 0x8099638C 0x0041A7F0 0x00404D88 
0x00000000
[   75.263934] ath10k_pci 0000:01:00.0: [44]: 0x80992076 0x0041A810 0x0044FD68 
0x0046FFE8
[   75.263938] ath10k_pci 0000:01:00.0: [48]: 0x80996BD3 0x0041A830 0x0044FD68 
0x00000000
[   75.263943] ath10k_pci 0000:01:00.0: [52]: 0x800B4405 0x0041A850 0x00422318 
0x00005002
[   75.263947] ath10k_pci 0000:01:00.0: [56]: 0x809A6C34 0x0041A8E0 0x0042932C 
0x0042CA44
[   75.263951] ath10k_pci 0000:01:00.0: Copy Engine register dump:
[   75.263962] ath10k_pci 0000:01:00.0: [00]: 0x00034400   1   1   3   3
[   75.263974] ath10k_pci 0000:01:00.0: [01]: 0x00034800  11  11 462 463
[   75.263985] ath10k_pci 0000:01:00.0: [02]: 0x00034c00  36  36  99 100
[   75.263995] ath10k_pci 0000:01:00.0: [03]: 0x00035000  11  11  12  11
[   75.264006] ath10k_pci 0000:01:00.0: [04]: 0x00035400 463 463  41 233
[   75.264017] ath10k_pci 0000:01:00.0: [05]: 0x00035800   0   0   0   0
[   75.264028] ath10k_pci 0000:01:00.0: [06]: 0x00035c00  15  15  15  15
[   75.264038] ath10k_pci 0000:01:00.0: [07]: 0x00036000   1   1   1   1
[   75.281888] PM: suspend entry (deep)
[   75.281890] PM: Syncing filesystems ... done.
[   75.300369] Freezing user space processes ... 
[   75.374433] ieee80211 phy0: Hardware restart was requested
[   75.374464] ath10k_pci 0000:01:00.0: failed to delete WMI vdev 1: -108
[   95.298483] Freezing of tasks failed after 20.001 seconds (1 tasks refusing 
to freeze, wq_busy=0):
[   95.298505] wpa_supplicant  D    0   737      1 0x00000004
[   95.298511] Call Trace:
[   95.298525]  __schedule+0x291/0x8a0
[   95.298531]  schedule+0x2c/0x80
[   95.298537]  schedule_timeout+0x15d/0x350
[   95.298547]  ? __next_timer_interrupt+0xe0/0xe0
[   95.298551]  msleep+0x2d/0x40
[   95.298563]  ath10k_pci_hif_stop+0x63/0xc0 [ath10k_pci]
[   95.298584]  ath10k_core_stop+0x4b/0x70 [ath10k_core]
[   95.298600]  ath10k_halt+0x10c/0x170 [ath10k_core]
[   95.298615]  ath10k_stop+0x39/0x80 [ath10k_core]
[   95.298658]  drv_stop+0x39/0x100 [mac80211]
[   95.298700]  ieee80211_stop_device+0x43/0x50 [mac80211]
[   95.298734]  ieee80211_do_stop+0x4cb/0x7f0 [mac80211]
[   95.298743]  ? nla_memcpy+0x26/0x50
[   95.298776]  ieee80211_sdata_stop+0x1e/0x30 [mac80211]
[   95.298809]  ieee80211_stop_p2p_device+0x12/0x20 [mac80211]
[   95.298845]  cfg80211_stop_p2p_device+0x6d/0x180 [cfg80211]
[   95.298876]  nl80211_stop_p2p_device+0x29/0x40 [cfg80211]
[   95.298882]  genl_family_rcv_msg+0x1fe/0x3f0
[   95.298888]  ? __netlink_sendskb+0x44/0x70
[   95.298894]  genl_rcv_msg+0x4c/0x90
[   95.298898]  ? genl_family_rcv_msg+0x3f0/0x3f0
[   95.298903]  netlink_rcv_skb+0x54/0x130
[   95.298908]  genl_rcv+0x28/0x40
[   95.298912]  netlink_unicast+0x19e/0x240
[   95.298917]  netlink_sendmsg+0x2d1/0x3d0
[   95.298925]  sock_sendmsg+0x3e/0x50
[   95.298930]  ___sys_sendmsg+0x2a0/0x2f0
[   95.298937]  ? __slab_free+0x14d/0x2c0
[   95.298941]  ? __slab_free+0x14d/0x2c0
[   95.298948]  ? dput.part.23+0xba/0x1e0
[   95.298955]  __sys_sendmsg+0x54/0x90
[   95.298960]  ? __sys_sendmsg+0x54/0x90
[   95.298967]  SyS_sendmsg+0x12/0x20
[   95.298974]  do_syscall_64+0x73/0x130
[   95.298981]  entry_SYSCALL_64_after_hwframe+0x3d/0xa2
[   95.298986] RIP: 0033:0x7ff500d5ad04
[   95.298989] RSP: 002b:00007ffd4dc620e8 EFLAGS: 00000246 ORIG_RAX: 
000000000000002e
[   95.298994] RAX: ffffffffffffffda RBX: 000055be5419dbe0 RCX: 00007ff500d5ad04
[   95.298996] RDX: 0000000000000000 RSI: 00007ffd4dc62120 RDI: 0000000000000007
[   95.298999] RBP: 000055be541d32a0 R08: 0000000000000000 R09: 00007ff501023c40
[   95.299001] R10: 0000000000000007 R11: 0000000000000246 R12: 000055be5419daf0
[   95.299003] R13: 00007ffd4dc62120 R14: 0000000000000000 R15: 000055be541c25f8
[   95.299032] OOM killer enabled.
[   95.299033] Restarting tasks ... done.
[   95.426110] PM: suspend exit
[   95.426159] PM: suspend entry (s2idle)
[   95.426160] PM: Syncing filesystems ... done.
[   95.442811] Freezing user space processes ... 
[  115.440706] Freezing of tasks failed after 20.005 seconds (2 tasks refusing 
to freeze, wq_busy=0):
[  115.440724] wpa_supplicant  D    0   737      1 0x00000004
[  115.440729] Call Trace:
[  115.440743]  __schedule+0x291/0x8a0
[  115.440749]  schedule+0x2c/0x80
[  115.440755]  schedule_timeout+0x15d/0x350
[  115.440765]  ? __next_timer_interrupt+0xe0/0xe0
[  115.440769]  msleep+0x2d/0x40
[  115.440781]  ath10k_pci_hif_stop+0x63/0xc0 [ath10k_pci]
[  115.440802]  ath10k_core_stop+0x4b/0x70 [ath10k_core]
[  115.440818]  ath10k_halt+0x10c/0x170 [ath10k_core]
[  115.440833]  ath10k_stop+0x39/0x80 [ath10k_core]
[  115.440876]  drv_stop+0x39/0x100 [mac80211]
[  115.440917]  ieee80211_stop_device+0x43/0x50 [mac80211]
[  115.440952]  ieee80211_do_stop+0x4cb/0x7f0 [mac80211]
[  115.440961]  ? nla_memcpy+0x26/0x50
[  115.440994]  ieee80211_sdata_stop+0x1e/0x30 [mac80211]
[  115.441026]  ieee80211_stop_p2p_device+0x12/0x20 [mac80211]
[  115.441063]  cfg80211_stop_p2p_device+0x6d/0x180 [cfg80211]
[  115.441094]  nl80211_stop_p2p_device+0x29/0x40 [cfg80211]
[  115.441100]  genl_family_rcv_msg+0x1fe/0x3f0
[  115.441106]  ? __netlink_sendskb+0x44/0x70
[  115.441112]  genl_rcv_msg+0x4c/0x90
[  115.441116]  ? genl_family_rcv_msg+0x3f0/0x3f0
[  115.441121]  netlink_rcv_skb+0x54/0x130
[  115.441126]  genl_rcv+0x28/0x40
[  115.441131]  netlink_unicast+0x19e/0x240
[  115.441136]  netlink_sendmsg+0x2d1/0x3d0
[  115.441143]  sock_sendmsg+0x3e/0x50
[  115.441149]  ___sys_sendmsg+0x2a0/0x2f0
[  115.441156]  ? __slab_free+0x14d/0x2c0
[  115.441160]  ? __slab_free+0x14d/0x2c0
[  115.441167]  ? dput.part.23+0xba/0x1e0
[  115.441174]  __sys_sendmsg+0x54/0x90
[  115.441179]  ? __sys_sendmsg+0x54/0x90
[  115.441186]  SyS_sendmsg+0x12/0x20
[  115.441193]  do_syscall_64+0x73/0x130
[  115.441200]  entry_SYSCALL_64_after_hwframe+0x3d/0xa2
[  115.441205] RIP: 0033:0x7ff500d5ad04
[  115.441208] RSP: 002b:00007ffd4dc620e8 EFLAGS: 00000246 ORIG_RAX: 
000000000000002e
[  115.441213] RAX: ffffffffffffffda RBX: 000055be5419dbe0 RCX: 00007ff500d5ad04
[  115.441215] RDX: 0000000000000000 RSI: 00007ffd4dc62120 RDI: 0000000000000007
[  115.441218] RBP: 000055be541d32a0 R08: 0000000000000000 R09: 00007ff501023c40
[  115.441221] R10: 0000000000000007 R11: 0000000000000246 R12: 000055be5419daf0
[  115.441223] R13: 00007ffd4dc62120 R14: 0000000000000000 R15: 000055be541c25f8
[  115.441231] cups-browsed    D    0   827      1 0x00000004
[  115.441236] Call Trace:
[  115.441242]  __schedule+0x291/0x8a0
[  115.441248]  schedule+0x2c/0x80
[  115.441253]  schedule_preempt_disabled+0xe/0x10
[  115.441258]  __mutex_lock.isra.2+0x18c/0x4d0
[  115.441264]  __mutex_lock_slowpath+0x13/0x20
[  115.441269]  ? __mutex_lock_slowpath+0x13/0x20
[  115.441273]  mutex_lock+0x2f/0x40
[  115.441278]  __netlink_dump_start+0x51/0x1c0
[  115.441286]  rtnetlink_rcv_msg+0x1c2/0x2b0
[  115.441290]  ? rtnl_getlink+0x280/0x280
[  115.441294]  ? rtnl_getlink+0x280/0x280
[  115.441300]  ? rtnl_calcit.isra.28+0x110/0x110
[  115.441305]  netlink_rcv_skb+0x54/0x130
[  115.441311]  rtnetlink_rcv+0x15/0x20
[  115.441316]  netlink_unicast+0x19e/0x240
[  115.441320]  netlink_sendmsg+0x2d1/0x3d0
[  115.441327]  sock_sendmsg+0x3e/0x50
[  115.441332]  SYSC_sendto+0x13f/0x180
[  115.441338]  ? SYSC_getsockname+0xb3/0xf0
[  115.441343]  ? sock_alloc_file+0xa0/0x150
[  115.441350]  ? fd_install+0x25/0x30
[  115.441355]  ? sock_map_fd+0x44/0x80
[  115.441361]  SyS_sendto+0xe/0x10
[  115.441367]  do_syscall_64+0x73/0x130
[  115.441373]  entry_SYSCALL_64_after_hwframe+0x3d/0xa2
[  115.441376] RIP: 0033:0x7ff6308dadfa
[  115.441379] RSP: 002b:00007ffcdcaa9f00 EFLAGS: 00000293 ORIG_RAX: 
000000000000002c
[  115.441383] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007ff6308dadfa
[  115.441385] RDX: 0000000000000014 RSI: 00007ffcdcaaafe0 RDI: 000000000000000b
[  115.441387] RBP: 0000000000000000 R08: 00007ffcdcaaafa0 R09: 000000000000000c
[  115.441390] R10: 0000000000000000 R11: 0000000000000293 R12: 00007ffcdcaaafe0
[  115.441392] R13: 0000000000000014 R14: 0000000000000000 R15: 00007ffcdcaaafa0
[  115.441415] OOM killer enabled.
[  115.441417] Restarting tasks ... done.
[  115.562725] PM: suspend exit


PCI info:
--------
gartim@gartim-930X2K-931X2K:~$ lspci 
00:00.0 Host bridge: Intel Corporation Broadwell-U Host Bridge -OPI (rev 09)
00:02.0 VGA compatible controller: Intel Corporation HD Graphics 5300 (rev 09)
00:03.0 Audio device: Intel Corporation Broadwell-U Audio Controller (rev 09)
00:04.0 Signal processing controller: Intel Corporation Broadwell-U Processor 
Thermal Subsystem (rev 09)
00:14.0 USB controller: Intel Corporation Wildcat Point-LP USB xHCI Controller 
(rev 03)
00:16.0 Communication controller: Intel Corporation Wildcat Point-LP MEI 
Controller #1 (rev 03)
00:1b.0 Audio device: Intel Corporation Wildcat Point-LP High Definition Audio 
Controller (rev 03)
00:1c.0 PCI bridge: Intel Corporation Wildcat Point-LP PCI Express Root Port #3 
(rev e3)
00:1f.0 ISA bridge: Intel Corporation Wildcat Point-LP LPC Controller (rev 03)
00:1f.2 SATA controller: Intel Corporation Wildcat Point-LP SATA Controller 
[AHCI Mode] (rev 03)
00:1f.3 SMBus: Intel Corporation Wildcat Point-LP SMBus Controller (rev 03)
01:00.0 Network controller: Qualcomm Atheros QCA6174 802.11ac Wireless Network 
Adapter (rev 20)
gartim@gartim-930X2K-931X2K:~$ lspci -v
00:00.0 Host bridge: Intel Corporation Broadwell-U Host Bridge -OPI (rev 09)
        Subsystem: Samsung Electronics Co Ltd Broadwell-U Host Bridge -OPI
        Flags: bus master, fast devsel, latency 0
        Capabilities: <access denied>
        Kernel driver in use: bdw_uncore

00:02.0 VGA compatible controller: Intel Corporation HD Graphics 5300 (rev 09) 
(prog-if 00 [VGA controller])
        Subsystem: Samsung Electronics Co Ltd HD Graphics 5300
        Flags: bus master, fast devsel, latency 0, IRQ 44
        Memory at f6000000 (64-bit, non-prefetchable) [size=16M]
        Memory at e0000000 (64-bit, prefetchable) [size=256M]
        I/O ports at f000 [size=64]
        [virtual] Expansion ROM at 000c0000 [disabled] [size=128K]
        Capabilities: <access denied>
        Kernel driver in use: i915
        Kernel modules: i915

00:03.0 Audio device: Intel Corporation Broadwell-U Audio Controller (rev 09)
        Subsystem: Samsung Electronics Co Ltd Broadwell-U Audio Controller
        Flags: bus master, fast devsel, latency 0, IRQ 48
        Memory at f721c000 (64-bit, non-prefetchable) [size=16K]
        Capabilities: <access denied>
        Kernel driver in use: snd_hda_intel
        Kernel modules: snd_hda_intel

00:04.0 Signal processing controller: Intel Corporation Broadwell-U Processor 
Thermal Subsystem (rev 09)
        Subsystem: Samsung Electronics Co Ltd Broadwell-U Processor Thermal 
Subsystem
        Flags: fast devsel, IRQ 16
        Memory at f7210000 (64-bit, non-prefetchable) [size=32K]
        Capabilities: <access denied>
        Kernel driver in use: proc_thermal
        Kernel modules: processor_thermal_device

00:14.0 USB controller: Intel Corporation Wildcat Point-LP USB xHCI Controller 
(rev 03) (prog-if 30 [XHCI])
        Subsystem: Samsung Electronics Co Ltd Wildcat Point-LP USB xHCI 
Controller
        Flags: bus master, medium devsel, latency 0, IRQ 42
        Memory at f7200000 (64-bit, non-prefetchable) [size=64K]
        Capabilities: <access denied>
        Kernel driver in use: xhci_hcd

00:16.0 Communication controller: Intel Corporation Wildcat Point-LP MEI 
Controller #1 (rev 03)
        Subsystem: Samsung Electronics Co Ltd Wildcat Point-LP MEI Controller
        Flags: bus master, fast devsel, latency 0, IRQ 45
        Memory at f7223000 (64-bit, non-prefetchable) [size=32]
        Capabilities: <access denied>
        Kernel driver in use: mei_me
        Kernel modules: mei_me

00:1b.0 Audio device: Intel Corporation Wildcat Point-LP High Definition Audio 
Controller (rev 03)
        Subsystem: Samsung Electronics Co Ltd Wildcat Point-LP High Definition 
Audio Controller
        Flags: bus master, fast devsel, latency 32, IRQ 47
        Memory at f7218000 (64-bit, non-prefetchable) [size=16K]
        Capabilities: <access denied>
        Kernel driver in use: snd_hda_intel
        Kernel modules: snd_hda_intel

00:1c.0 PCI bridge: Intel Corporation Wildcat Point-LP PCI Express Root Port #3 
(rev e3) (prog-if 00 [Normal decode])
        Flags: bus master, fast devsel, latency 0, IRQ 18
        Bus: primary=00, secondary=01, subordinate=01, sec-latency=0
        Memory behind bridge: f7000000-f71fffff
        Capabilities: <access denied>
        Kernel driver in use: pcieport
        Kernel modules: shpchp

00:1f.0 ISA bridge: Intel Corporation Wildcat Point-LP LPC Controller (rev 03)
        Subsystem: Samsung Electronics Co Ltd Wildcat Point-LP LPC Controller
        Flags: bus master, medium devsel, latency 0
        Capabilities: <access denied>
        Kernel driver in use: lpc_ich
        Kernel modules: lpc_ich

00:1f.2 SATA controller: Intel Corporation Wildcat Point-LP SATA Controller 
[AHCI Mode] (rev 03) (prog-if 01 [AHCI 1.0])
        Subsystem: Samsung Electronics Co Ltd Wildcat Point-LP SATA Controller 
[AHCI Mode]
        Flags: bus master, 66MHz, medium devsel, latency 0, IRQ 43
        I/O ports at f0b0 [size=8]
        I/O ports at f0a0 [size=4]
        I/O ports at f090 [size=8]
        I/O ports at f080 [size=4]
        I/O ports at f060 [size=32]
        Memory at f7221000 (32-bit, non-prefetchable) [size=2K]
        Capabilities: <access denied>
        Kernel driver in use: ahci
        Kernel modules: ahci

00:1f.3 SMBus: Intel Corporation Wildcat Point-LP SMBus Controller (rev 03)
        Subsystem: Samsung Electronics Co Ltd Wildcat Point-LP SMBus Controller
        Flags: medium devsel, IRQ 18
        Memory at f7220000 (64-bit, non-prefetchable) [size=256]
        I/O ports at f040 [size=32]
        Kernel driver in use: i801_smbus
        Kernel modules: i2c_i801

01:00.0 Network controller: Qualcomm Atheros QCA6174 802.11ac Wireless Network 
Adapter (rev 20)
        Subsystem: Samsung Electronics Co Ltd QCA6174 802.11ac Wireless Network 
Adapter
        Flags: bus master, fast devsel, latency 0, IRQ 46
        Memory at f7000000 (64-bit, non-prefetchable) [size=2M]
        Capabilities: <access denied>
        Kernel driver in use: ath10k_pci
        Kernel modules: ath10k_pci

gartim@gartim-930X2K-931X2K:~$ lspci -vv
00:00.0 Host bridge: Intel Corporation Broadwell-U Host Bridge -OPI (rev 09)
        Subsystem: Samsung Electronics Co Ltd Broadwell-U Host Bridge -OPI
        Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B- DisINTx-
        Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- 
<MAbort+ >SERR- <PERR- INTx-
        Latency: 0
        Capabilities: <access denied>
        Kernel driver in use: bdw_uncore

00:02.0 VGA compatible controller: Intel Corporation HD Graphics 5300 (rev 09) 
(prog-if 00 [VGA controller])
        Subsystem: Samsung Electronics Co Ltd HD Graphics 5300
        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B- DisINTx+
        Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- 
<MAbort- >SERR- <PERR- INTx-
        Latency: 0
        Interrupt: pin A routed to IRQ 44
        Region 0: Memory at f6000000 (64-bit, non-prefetchable) [size=16M]
        Region 2: Memory at e0000000 (64-bit, prefetchable) [size=256M]
        Region 4: I/O ports at f000 [size=64]
        [virtual] Expansion ROM at 000c0000 [disabled] [size=128K]
        Capabilities: <access denied>
        Kernel driver in use: i915
        Kernel modules: i915

00:03.0 Audio device: Intel Corporation Broadwell-U Audio Controller (rev 09)
        Subsystem: Samsung Electronics Co Ltd Broadwell-U Audio Controller
        Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B- DisINTx+
        Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- 
<MAbort- >SERR- <PERR- INTx-
        Latency: 0, Cache Line Size: 64 bytes
        Interrupt: pin A routed to IRQ 48
        Region 0: Memory at f721c000 (64-bit, non-prefetchable) [size=16K]
        Capabilities: <access denied>
        Kernel driver in use: snd_hda_intel
        Kernel modules: snd_hda_intel

00:04.0 Signal processing controller: Intel Corporation Broadwell-U Processor 
Thermal Subsystem (rev 09)
        Subsystem: Samsung Electronics Co Ltd Broadwell-U Processor Thermal 
Subsystem
        Control: I/O- Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B- DisINTx-
        Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- 
<MAbort- >SERR- <PERR- INTx-
        Interrupt: pin A routed to IRQ 16
        Region 0: Memory at f7210000 (64-bit, non-prefetchable) [size=32K]
        Capabilities: <access denied>
        Kernel driver in use: proc_thermal
        Kernel modules: processor_thermal_device

00:14.0 USB controller: Intel Corporation Wildcat Point-LP USB xHCI Controller 
(rev 03) (prog-if 30 [XHCI])
        Subsystem: Samsung Electronics Co Ltd Wildcat Point-LP USB xHCI 
Controller
        Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B- DisINTx+
        Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- 
<TAbort- <MAbort- >SERR- <PERR- INTx-
        Latency: 0
        Interrupt: pin A routed to IRQ 42
        Region 0: Memory at f7200000 (64-bit, non-prefetchable) [size=64K]
        Capabilities: <access denied>
        Kernel driver in use: xhci_hcd

00:16.0 Communication controller: Intel Corporation Wildcat Point-LP MEI 
Controller #1 (rev 03)
        Subsystem: Samsung Electronics Co Ltd Wildcat Point-LP MEI Controller
        Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B- DisINTx+
        Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- 
<MAbort- >SERR- <PERR- INTx-
        Latency: 0
        Interrupt: pin A routed to IRQ 45
        Region 0: Memory at f7223000 (64-bit, non-prefetchable) [size=32]
        Capabilities: <access denied>
        Kernel driver in use: mei_me
        Kernel modules: mei_me

00:1b.0 Audio device: Intel Corporation Wildcat Point-LP High Definition Audio 
Controller (rev 03)
        Subsystem: Samsung Electronics Co Ltd Wildcat Point-LP High Definition 
Audio Controller
        Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B- DisINTx+
        Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- 
<MAbort- >SERR- <PERR- INTx-
        Latency: 32, Cache Line Size: 64 bytes
        Interrupt: pin A routed to IRQ 47
        Region 0: Memory at f7218000 (64-bit, non-prefetchable) [size=16K]
        Capabilities: <access denied>
        Kernel driver in use: snd_hda_intel
        Kernel modules: snd_hda_intel

00:1c.0 PCI bridge: Intel Corporation Wildcat Point-LP PCI Express Root Port #3 
(rev e3) (prog-if 00 [Normal decode])
        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B- DisINTx-
        Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- 
<MAbort- >SERR- <PERR- INTx-
        Latency: 0, Cache Line Size: 64 bytes
        Interrupt: pin C routed to IRQ 18
        Bus: primary=00, secondary=01, subordinate=01, sec-latency=0
        Memory behind bridge: f7000000-f71fffff
        Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- 
<MAbort- <SERR- <PERR-
        BridgeCtl: Parity- SERR- NoISA- VGA- MAbort- >Reset- FastB2B-
                PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
        Capabilities: <access denied>
        Kernel driver in use: pcieport
        Kernel modules: shpchp

00:1f.0 ISA bridge: Intel Corporation Wildcat Point-LP LPC Controller (rev 03)
        Subsystem: Samsung Electronics Co Ltd Wildcat Point-LP LPC Controller
        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B- DisINTx-
        Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- 
<TAbort- <MAbort- >SERR- <PERR- INTx-
        Latency: 0
        Capabilities: <access denied>
        Kernel driver in use: lpc_ich
        Kernel modules: lpc_ich

00:1f.2 SATA controller: Intel Corporation Wildcat Point-LP SATA Controller 
[AHCI Mode] (rev 03) (prog-if 01 [AHCI 1.0])
        Subsystem: Samsung Electronics Co Ltd Wildcat Point-LP SATA Controller 
[AHCI Mode]
        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B- DisINTx+
        Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- 
<TAbort- <MAbort- >SERR- <PERR- INTx-
        Latency: 0
        Interrupt: pin B routed to IRQ 43
        Region 0: I/O ports at f0b0 [size=8]
        Region 1: I/O ports at f0a0 [size=4]
        Region 2: I/O ports at f090 [size=8]
        Region 3: I/O ports at f080 [size=4]
        Region 4: I/O ports at f060 [size=32]
        Region 5: Memory at f7221000 (32-bit, non-prefetchable) [size=2K]
        Capabilities: <access denied>
        Kernel driver in use: ahci
        Kernel modules: ahci

00:1f.3 SMBus: Intel Corporation Wildcat Point-LP SMBus Controller (rev 03)
        Subsystem: Samsung Electronics Co Ltd Wildcat Point-LP SMBus Controller
        Control: I/O+ Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B- DisINTx-
        Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- 
<TAbort- <MAbort- >SERR- <PERR- INTx-
        Interrupt: pin C routed to IRQ 18
        Region 0: Memory at f7220000 (64-bit, non-prefetchable) [size=256]
        Region 4: I/O ports at f040 [size=32]
        Kernel driver in use: i801_smbus
        Kernel modules: i2c_i801

01:00.0 Network controller: Qualcomm Atheros QCA6174 802.11ac Wireless Network 
Adapter (rev 20)
        Subsystem: Samsung Electronics Co Ltd QCA6174 802.11ac Wireless Network 
Adapter
        Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B- DisINTx+
        Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- 
<MAbort- >SERR- <PERR- INTx-
        Latency: 0, Cache Line Size: 64 bytes
        Interrupt: pin A routed to IRQ 46
        Region 0: Memory at f7000000 (64-bit, non-prefetchable) [size=2M]
        Capabilities: <access denied>
        Kernel driver in use: ath10k_pci
        Kernel modules: ath10k_pci

Other:
hangs the wifi nic and hangs any attempt to shutdown except holding the power 
button.

Any help appreciated!

** Affects: mahara
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1802048

Title:
  firmware crashes when laptop lid closed (suspend)

Status in Mahara:
  New

Bug description:
  samsung laptop running Mint Linux 19/Mate,

  kernel:
  ------
  Linux gartim-930X2K-931X2K 4.15.0-38-generic #41-Ubuntu SMP Wed Oct 10 
10:59:38 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux

  os-version:
  ----------
  NAME="Linux Mint"
  VERSION="19 (Tara)"
  ID=linuxmint
  ID_LIKE=ubuntu
  PRETTY_NAME="Linux Mint 19"
  VERSION_ID="19"
  HOME_URL="https://www.linuxmint.com/";
  SUPPORT_URL="https://forums.ubuntu.com/";
  
BUG_REPORT_URL="http://linuxmint-troubleshooting-guide.readthedocs.io/en/latest/";
  PRIVACY_POLICY_URL="https://www.linuxmint.com/";
  VERSION_CODENAME=tara
  UBUNTU_CODENAME=bionic

  console log:
  -----------
  [   25.380372] ath: EEPROM regdomain: 0x8348
  [   25.380373] ath: EEPROM indicates we should expect a country code
  [   25.380374] ath: doing EEPROM country->regdmn map search
  [   25.380376] ath: country maps to regdmn code: 0x3a
  [   25.380377] ath: Country alpha2 being used: US
  [   25.380378] ath: Regpair used: 0x3a
  [   25.380379] ath: regdomain 0x8348 dynamically updated by country IE
  [   25.400502] IPv6: ADDRCONF(NETDEV_CHANGE): wlp1s0: link becomes ready
  [   75.248558] wlp1s0: deauthenticating from f8:1a:67:32:ee:14 by local 
choice (Reason: 3=DEAUTH_LEAVING)
  [   75.261058] ath10k_pci 0000:01:00.0: firmware crashed! (guid 
11fd3719-d3fb-4315-aa31-02ca1a37ba93)
  [   75.261078] ath10k_pci 0000:01:00.0: qca6174 hw2.1 target 0x05010000 
chip_id 0x003405ff sub 144d:4125
  [   75.261086] ath10k_pci 0000:01:00.0: kconfig debug 0 debugfs 1 tracing 1 
dfs 0 testmode 0
  [   75.261602] ath10k_pci 0000:01:00.0: firmware ver 
SW_RM.1.1.1-00157-QCARMSWPZ-1 api 5 features ignore-otp,no-4addr-pad crc32 
10bf8e08
  [   75.261861] ath10k_pci 0000:01:00.0: board_file api 2 bmi_id N/A crc32 
ae2e275a
  [   75.261866] ath10k_pci 0000:01:00.0: htt-ver 3.1 wmi-op 4 htt-op 3 cal otp 
max-sta 32 raw 0 hwcrypto 1
  [   75.263875] ath10k_pci 0000:01:00.0: firmware register dump:
  [   75.263883] ath10k_pci 0000:01:00.0: [00]: 0x05010000 0x00000000 
0x0092E4DC 0x9C0BFF62
  [   75.263889] ath10k_pci 0000:01:00.0: [04]: 0x0092E4DC 0x00060130 
0x00000018 0x0041A760
  [   75.263893] ath10k_pci 0000:01:00.0: [08]: 0x9C0BFF4E 0x00400000 
0x00000000 0x000A5C88
  [   75.263898] ath10k_pci 0000:01:00.0: [12]: 0x00000009 0x00000000 
0x0096C09C 0x0096C0A7
  [   75.263903] ath10k_pci 0000:01:00.0: [16]: 0x0096BDBC 0x009287BD 
0x00000000 0x009287BD
  [   75.263907] ath10k_pci 0000:01:00.0: [20]: 0x4092E4DC 0x0041A710 
0x00000000 0x0F000000
  [   75.263911] ath10k_pci 0000:01:00.0: [24]: 0x809432A7 0x0041A770 
0x0040D400 0xC092E4DC
  [   75.263916] ath10k_pci 0000:01:00.0: [28]: 0x80942BC4 0x0041A790 
0x9C0BFF4E 0x00400000
  [   75.263920] ath10k_pci 0000:01:00.0: [32]: 0x80947BA7 0x0041A7B0 
0x00404D88 0x0040E074
  [   75.263925] ath10k_pci 0000:01:00.0: [36]: 0x809BDECC 0x0041A7D0 
0x00404D88 0x0040E074
  [   75.263929] ath10k_pci 0000:01:00.0: [40]: 0x8099638C 0x0041A7F0 
0x00404D88 0x00000000
  [   75.263934] ath10k_pci 0000:01:00.0: [44]: 0x80992076 0x0041A810 
0x0044FD68 0x0046FFE8
  [   75.263938] ath10k_pci 0000:01:00.0: [48]: 0x80996BD3 0x0041A830 
0x0044FD68 0x00000000
  [   75.263943] ath10k_pci 0000:01:00.0: [52]: 0x800B4405 0x0041A850 
0x00422318 0x00005002
  [   75.263947] ath10k_pci 0000:01:00.0: [56]: 0x809A6C34 0x0041A8E0 
0x0042932C 0x0042CA44
  [   75.263951] ath10k_pci 0000:01:00.0: Copy Engine register dump:
  [   75.263962] ath10k_pci 0000:01:00.0: [00]: 0x00034400   1   1   3   3
  [   75.263974] ath10k_pci 0000:01:00.0: [01]: 0x00034800  11  11 462 463
  [   75.263985] ath10k_pci 0000:01:00.0: [02]: 0x00034c00  36  36  99 100
  [   75.263995] ath10k_pci 0000:01:00.0: [03]: 0x00035000  11  11  12  11
  [   75.264006] ath10k_pci 0000:01:00.0: [04]: 0x00035400 463 463  41 233
  [   75.264017] ath10k_pci 0000:01:00.0: [05]: 0x00035800   0   0   0   0
  [   75.264028] ath10k_pci 0000:01:00.0: [06]: 0x00035c00  15  15  15  15
  [   75.264038] ath10k_pci 0000:01:00.0: [07]: 0x00036000   1   1   1   1
  [   75.281888] PM: suspend entry (deep)
  [   75.281890] PM: Syncing filesystems ... done.
  [   75.300369] Freezing user space processes ... 
  [   75.374433] ieee80211 phy0: Hardware restart was requested
  [   75.374464] ath10k_pci 0000:01:00.0: failed to delete WMI vdev 1: -108
  [   95.298483] Freezing of tasks failed after 20.001 seconds (1 tasks 
refusing to freeze, wq_busy=0):
  [   95.298505] wpa_supplicant  D    0   737      1 0x00000004
  [   95.298511] Call Trace:
  [   95.298525]  __schedule+0x291/0x8a0
  [   95.298531]  schedule+0x2c/0x80
  [   95.298537]  schedule_timeout+0x15d/0x350
  [   95.298547]  ? __next_timer_interrupt+0xe0/0xe0
  [   95.298551]  msleep+0x2d/0x40
  [   95.298563]  ath10k_pci_hif_stop+0x63/0xc0 [ath10k_pci]
  [   95.298584]  ath10k_core_stop+0x4b/0x70 [ath10k_core]
  [   95.298600]  ath10k_halt+0x10c/0x170 [ath10k_core]
  [   95.298615]  ath10k_stop+0x39/0x80 [ath10k_core]
  [   95.298658]  drv_stop+0x39/0x100 [mac80211]
  [   95.298700]  ieee80211_stop_device+0x43/0x50 [mac80211]
  [   95.298734]  ieee80211_do_stop+0x4cb/0x7f0 [mac80211]
  [   95.298743]  ? nla_memcpy+0x26/0x50
  [   95.298776]  ieee80211_sdata_stop+0x1e/0x30 [mac80211]
  [   95.298809]  ieee80211_stop_p2p_device+0x12/0x20 [mac80211]
  [   95.298845]  cfg80211_stop_p2p_device+0x6d/0x180 [cfg80211]
  [   95.298876]  nl80211_stop_p2p_device+0x29/0x40 [cfg80211]
  [   95.298882]  genl_family_rcv_msg+0x1fe/0x3f0
  [   95.298888]  ? __netlink_sendskb+0x44/0x70
  [   95.298894]  genl_rcv_msg+0x4c/0x90
  [   95.298898]  ? genl_family_rcv_msg+0x3f0/0x3f0
  [   95.298903]  netlink_rcv_skb+0x54/0x130
  [   95.298908]  genl_rcv+0x28/0x40
  [   95.298912]  netlink_unicast+0x19e/0x240
  [   95.298917]  netlink_sendmsg+0x2d1/0x3d0
  [   95.298925]  sock_sendmsg+0x3e/0x50
  [   95.298930]  ___sys_sendmsg+0x2a0/0x2f0
  [   95.298937]  ? __slab_free+0x14d/0x2c0
  [   95.298941]  ? __slab_free+0x14d/0x2c0
  [   95.298948]  ? dput.part.23+0xba/0x1e0
  [   95.298955]  __sys_sendmsg+0x54/0x90
  [   95.298960]  ? __sys_sendmsg+0x54/0x90
  [   95.298967]  SyS_sendmsg+0x12/0x20
  [   95.298974]  do_syscall_64+0x73/0x130
  [   95.298981]  entry_SYSCALL_64_after_hwframe+0x3d/0xa2
  [   95.298986] RIP: 0033:0x7ff500d5ad04
  [   95.298989] RSP: 002b:00007ffd4dc620e8 EFLAGS: 00000246 ORIG_RAX: 
000000000000002e
  [   95.298994] RAX: ffffffffffffffda RBX: 000055be5419dbe0 RCX: 
00007ff500d5ad04
  [   95.298996] RDX: 0000000000000000 RSI: 00007ffd4dc62120 RDI: 
0000000000000007
  [   95.298999] RBP: 000055be541d32a0 R08: 0000000000000000 R09: 
00007ff501023c40
  [   95.299001] R10: 0000000000000007 R11: 0000000000000246 R12: 
000055be5419daf0
  [   95.299003] R13: 00007ffd4dc62120 R14: 0000000000000000 R15: 
000055be541c25f8
  [   95.299032] OOM killer enabled.
  [   95.299033] Restarting tasks ... done.
  [   95.426110] PM: suspend exit
  [   95.426159] PM: suspend entry (s2idle)
  [   95.426160] PM: Syncing filesystems ... done.
  [   95.442811] Freezing user space processes ... 
  [  115.440706] Freezing of tasks failed after 20.005 seconds (2 tasks 
refusing to freeze, wq_busy=0):
  [  115.440724] wpa_supplicant  D    0   737      1 0x00000004
  [  115.440729] Call Trace:
  [  115.440743]  __schedule+0x291/0x8a0
  [  115.440749]  schedule+0x2c/0x80
  [  115.440755]  schedule_timeout+0x15d/0x350
  [  115.440765]  ? __next_timer_interrupt+0xe0/0xe0
  [  115.440769]  msleep+0x2d/0x40
  [  115.440781]  ath10k_pci_hif_stop+0x63/0xc0 [ath10k_pci]
  [  115.440802]  ath10k_core_stop+0x4b/0x70 [ath10k_core]
  [  115.440818]  ath10k_halt+0x10c/0x170 [ath10k_core]
  [  115.440833]  ath10k_stop+0x39/0x80 [ath10k_core]
  [  115.440876]  drv_stop+0x39/0x100 [mac80211]
  [  115.440917]  ieee80211_stop_device+0x43/0x50 [mac80211]
  [  115.440952]  ieee80211_do_stop+0x4cb/0x7f0 [mac80211]
  [  115.440961]  ? nla_memcpy+0x26/0x50
  [  115.440994]  ieee80211_sdata_stop+0x1e/0x30 [mac80211]
  [  115.441026]  ieee80211_stop_p2p_device+0x12/0x20 [mac80211]
  [  115.441063]  cfg80211_stop_p2p_device+0x6d/0x180 [cfg80211]
  [  115.441094]  nl80211_stop_p2p_device+0x29/0x40 [cfg80211]
  [  115.441100]  genl_family_rcv_msg+0x1fe/0x3f0
  [  115.441106]  ? __netlink_sendskb+0x44/0x70
  [  115.441112]  genl_rcv_msg+0x4c/0x90
  [  115.441116]  ? genl_family_rcv_msg+0x3f0/0x3f0
  [  115.441121]  netlink_rcv_skb+0x54/0x130
  [  115.441126]  genl_rcv+0x28/0x40
  [  115.441131]  netlink_unicast+0x19e/0x240
  [  115.441136]  netlink_sendmsg+0x2d1/0x3d0
  [  115.441143]  sock_sendmsg+0x3e/0x50
  [  115.441149]  ___sys_sendmsg+0x2a0/0x2f0
  [  115.441156]  ? __slab_free+0x14d/0x2c0
  [  115.441160]  ? __slab_free+0x14d/0x2c0
  [  115.441167]  ? dput.part.23+0xba/0x1e0
  [  115.441174]  __sys_sendmsg+0x54/0x90
  [  115.441179]  ? __sys_sendmsg+0x54/0x90
  [  115.441186]  SyS_sendmsg+0x12/0x20
  [  115.441193]  do_syscall_64+0x73/0x130
  [  115.441200]  entry_SYSCALL_64_after_hwframe+0x3d/0xa2
  [  115.441205] RIP: 0033:0x7ff500d5ad04
  [  115.441208] RSP: 002b:00007ffd4dc620e8 EFLAGS: 00000246 ORIG_RAX: 
000000000000002e
  [  115.441213] RAX: ffffffffffffffda RBX: 000055be5419dbe0 RCX: 
00007ff500d5ad04
  [  115.441215] RDX: 0000000000000000 RSI: 00007ffd4dc62120 RDI: 
0000000000000007
  [  115.441218] RBP: 000055be541d32a0 R08: 0000000000000000 R09: 
00007ff501023c40
  [  115.441221] R10: 0000000000000007 R11: 0000000000000246 R12: 
000055be5419daf0
  [  115.441223] R13: 00007ffd4dc62120 R14: 0000000000000000 R15: 
000055be541c25f8
  [  115.441231] cups-browsed    D    0   827      1 0x00000004
  [  115.441236] Call Trace:
  [  115.441242]  __schedule+0x291/0x8a0
  [  115.441248]  schedule+0x2c/0x80
  [  115.441253]  schedule_preempt_disabled+0xe/0x10
  [  115.441258]  __mutex_lock.isra.2+0x18c/0x4d0
  [  115.441264]  __mutex_lock_slowpath+0x13/0x20
  [  115.441269]  ? __mutex_lock_slowpath+0x13/0x20
  [  115.441273]  mutex_lock+0x2f/0x40
  [  115.441278]  __netlink_dump_start+0x51/0x1c0
  [  115.441286]  rtnetlink_rcv_msg+0x1c2/0x2b0
  [  115.441290]  ? rtnl_getlink+0x280/0x280
  [  115.441294]  ? rtnl_getlink+0x280/0x280
  [  115.441300]  ? rtnl_calcit.isra.28+0x110/0x110
  [  115.441305]  netlink_rcv_skb+0x54/0x130
  [  115.441311]  rtnetlink_rcv+0x15/0x20
  [  115.441316]  netlink_unicast+0x19e/0x240
  [  115.441320]  netlink_sendmsg+0x2d1/0x3d0
  [  115.441327]  sock_sendmsg+0x3e/0x50
  [  115.441332]  SYSC_sendto+0x13f/0x180
  [  115.441338]  ? SYSC_getsockname+0xb3/0xf0
  [  115.441343]  ? sock_alloc_file+0xa0/0x150
  [  115.441350]  ? fd_install+0x25/0x30
  [  115.441355]  ? sock_map_fd+0x44/0x80
  [  115.441361]  SyS_sendto+0xe/0x10
  [  115.441367]  do_syscall_64+0x73/0x130
  [  115.441373]  entry_SYSCALL_64_after_hwframe+0x3d/0xa2
  [  115.441376] RIP: 0033:0x7ff6308dadfa
  [  115.441379] RSP: 002b:00007ffcdcaa9f00 EFLAGS: 00000293 ORIG_RAX: 
000000000000002c
  [  115.441383] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 
00007ff6308dadfa
  [  115.441385] RDX: 0000000000000014 RSI: 00007ffcdcaaafe0 RDI: 
000000000000000b
  [  115.441387] RBP: 0000000000000000 R08: 00007ffcdcaaafa0 R09: 
000000000000000c
  [  115.441390] R10: 0000000000000000 R11: 0000000000000293 R12: 
00007ffcdcaaafe0
  [  115.441392] R13: 0000000000000014 R14: 0000000000000000 R15: 
00007ffcdcaaafa0
  [  115.441415] OOM killer enabled.
  [  115.441417] Restarting tasks ... done.
  [  115.562725] PM: suspend exit

  
  PCI info:
  --------
  gartim@gartim-930X2K-931X2K:~$ lspci 
  00:00.0 Host bridge: Intel Corporation Broadwell-U Host Bridge -OPI (rev 09)
  00:02.0 VGA compatible controller: Intel Corporation HD Graphics 5300 (rev 09)
  00:03.0 Audio device: Intel Corporation Broadwell-U Audio Controller (rev 09)
  00:04.0 Signal processing controller: Intel Corporation Broadwell-U Processor 
Thermal Subsystem (rev 09)
  00:14.0 USB controller: Intel Corporation Wildcat Point-LP USB xHCI 
Controller (rev 03)
  00:16.0 Communication controller: Intel Corporation Wildcat Point-LP MEI 
Controller #1 (rev 03)
  00:1b.0 Audio device: Intel Corporation Wildcat Point-LP High Definition 
Audio Controller (rev 03)
  00:1c.0 PCI bridge: Intel Corporation Wildcat Point-LP PCI Express Root Port 
#3 (rev e3)
  00:1f.0 ISA bridge: Intel Corporation Wildcat Point-LP LPC Controller (rev 03)
  00:1f.2 SATA controller: Intel Corporation Wildcat Point-LP SATA Controller 
[AHCI Mode] (rev 03)
  00:1f.3 SMBus: Intel Corporation Wildcat Point-LP SMBus Controller (rev 03)
  01:00.0 Network controller: Qualcomm Atheros QCA6174 802.11ac Wireless 
Network Adapter (rev 20)
  gartim@gartim-930X2K-931X2K:~$ lspci -v
  00:00.0 Host bridge: Intel Corporation Broadwell-U Host Bridge -OPI (rev 09)
        Subsystem: Samsung Electronics Co Ltd Broadwell-U Host Bridge -OPI
        Flags: bus master, fast devsel, latency 0
        Capabilities: <access denied>
        Kernel driver in use: bdw_uncore

  00:02.0 VGA compatible controller: Intel Corporation HD Graphics 5300 (rev 
09) (prog-if 00 [VGA controller])
        Subsystem: Samsung Electronics Co Ltd HD Graphics 5300
        Flags: bus master, fast devsel, latency 0, IRQ 44
        Memory at f6000000 (64-bit, non-prefetchable) [size=16M]
        Memory at e0000000 (64-bit, prefetchable) [size=256M]
        I/O ports at f000 [size=64]
        [virtual] Expansion ROM at 000c0000 [disabled] [size=128K]
        Capabilities: <access denied>
        Kernel driver in use: i915
        Kernel modules: i915

  00:03.0 Audio device: Intel Corporation Broadwell-U Audio Controller (rev 09)
        Subsystem: Samsung Electronics Co Ltd Broadwell-U Audio Controller
        Flags: bus master, fast devsel, latency 0, IRQ 48
        Memory at f721c000 (64-bit, non-prefetchable) [size=16K]
        Capabilities: <access denied>
        Kernel driver in use: snd_hda_intel
        Kernel modules: snd_hda_intel

  00:04.0 Signal processing controller: Intel Corporation Broadwell-U Processor 
Thermal Subsystem (rev 09)
        Subsystem: Samsung Electronics Co Ltd Broadwell-U Processor Thermal 
Subsystem
        Flags: fast devsel, IRQ 16
        Memory at f7210000 (64-bit, non-prefetchable) [size=32K]
        Capabilities: <access denied>
        Kernel driver in use: proc_thermal
        Kernel modules: processor_thermal_device

  00:14.0 USB controller: Intel Corporation Wildcat Point-LP USB xHCI 
Controller (rev 03) (prog-if 30 [XHCI])
        Subsystem: Samsung Electronics Co Ltd Wildcat Point-LP USB xHCI 
Controller
        Flags: bus master, medium devsel, latency 0, IRQ 42
        Memory at f7200000 (64-bit, non-prefetchable) [size=64K]
        Capabilities: <access denied>
        Kernel driver in use: xhci_hcd

  00:16.0 Communication controller: Intel Corporation Wildcat Point-LP MEI 
Controller #1 (rev 03)
        Subsystem: Samsung Electronics Co Ltd Wildcat Point-LP MEI Controller
        Flags: bus master, fast devsel, latency 0, IRQ 45
        Memory at f7223000 (64-bit, non-prefetchable) [size=32]
        Capabilities: <access denied>
        Kernel driver in use: mei_me
        Kernel modules: mei_me

  00:1b.0 Audio device: Intel Corporation Wildcat Point-LP High Definition 
Audio Controller (rev 03)
        Subsystem: Samsung Electronics Co Ltd Wildcat Point-LP High Definition 
Audio Controller
        Flags: bus master, fast devsel, latency 32, IRQ 47
        Memory at f7218000 (64-bit, non-prefetchable) [size=16K]
        Capabilities: <access denied>
        Kernel driver in use: snd_hda_intel
        Kernel modules: snd_hda_intel

  00:1c.0 PCI bridge: Intel Corporation Wildcat Point-LP PCI Express Root Port 
#3 (rev e3) (prog-if 00 [Normal decode])
        Flags: bus master, fast devsel, latency 0, IRQ 18
        Bus: primary=00, secondary=01, subordinate=01, sec-latency=0
        Memory behind bridge: f7000000-f71fffff
        Capabilities: <access denied>
        Kernel driver in use: pcieport
        Kernel modules: shpchp

  00:1f.0 ISA bridge: Intel Corporation Wildcat Point-LP LPC Controller (rev 03)
        Subsystem: Samsung Electronics Co Ltd Wildcat Point-LP LPC Controller
        Flags: bus master, medium devsel, latency 0
        Capabilities: <access denied>
        Kernel driver in use: lpc_ich
        Kernel modules: lpc_ich

  00:1f.2 SATA controller: Intel Corporation Wildcat Point-LP SATA Controller 
[AHCI Mode] (rev 03) (prog-if 01 [AHCI 1.0])
        Subsystem: Samsung Electronics Co Ltd Wildcat Point-LP SATA Controller 
[AHCI Mode]
        Flags: bus master, 66MHz, medium devsel, latency 0, IRQ 43
        I/O ports at f0b0 [size=8]
        I/O ports at f0a0 [size=4]
        I/O ports at f090 [size=8]
        I/O ports at f080 [size=4]
        I/O ports at f060 [size=32]
        Memory at f7221000 (32-bit, non-prefetchable) [size=2K]
        Capabilities: <access denied>
        Kernel driver in use: ahci
        Kernel modules: ahci

  00:1f.3 SMBus: Intel Corporation Wildcat Point-LP SMBus Controller (rev 03)
        Subsystem: Samsung Electronics Co Ltd Wildcat Point-LP SMBus Controller
        Flags: medium devsel, IRQ 18
        Memory at f7220000 (64-bit, non-prefetchable) [size=256]
        I/O ports at f040 [size=32]
        Kernel driver in use: i801_smbus
        Kernel modules: i2c_i801

  01:00.0 Network controller: Qualcomm Atheros QCA6174 802.11ac Wireless 
Network Adapter (rev 20)
        Subsystem: Samsung Electronics Co Ltd QCA6174 802.11ac Wireless Network 
Adapter
        Flags: bus master, fast devsel, latency 0, IRQ 46
        Memory at f7000000 (64-bit, non-prefetchable) [size=2M]
        Capabilities: <access denied>
        Kernel driver in use: ath10k_pci
        Kernel modules: ath10k_pci

  gartim@gartim-930X2K-931X2K:~$ lspci -vv
  00:00.0 Host bridge: Intel Corporation Broadwell-U Host Bridge -OPI (rev 09)
        Subsystem: Samsung Electronics Co Ltd Broadwell-U Host Bridge -OPI
        Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B- DisINTx-
        Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- 
<MAbort+ >SERR- <PERR- INTx-
        Latency: 0
        Capabilities: <access denied>
        Kernel driver in use: bdw_uncore

  00:02.0 VGA compatible controller: Intel Corporation HD Graphics 5300 (rev 
09) (prog-if 00 [VGA controller])
        Subsystem: Samsung Electronics Co Ltd HD Graphics 5300
        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B- DisINTx+
        Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- 
<MAbort- >SERR- <PERR- INTx-
        Latency: 0
        Interrupt: pin A routed to IRQ 44
        Region 0: Memory at f6000000 (64-bit, non-prefetchable) [size=16M]
        Region 2: Memory at e0000000 (64-bit, prefetchable) [size=256M]
        Region 4: I/O ports at f000 [size=64]
        [virtual] Expansion ROM at 000c0000 [disabled] [size=128K]
        Capabilities: <access denied>
        Kernel driver in use: i915
        Kernel modules: i915

  00:03.0 Audio device: Intel Corporation Broadwell-U Audio Controller (rev 09)
        Subsystem: Samsung Electronics Co Ltd Broadwell-U Audio Controller
        Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B- DisINTx+
        Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- 
<MAbort- >SERR- <PERR- INTx-
        Latency: 0, Cache Line Size: 64 bytes
        Interrupt: pin A routed to IRQ 48
        Region 0: Memory at f721c000 (64-bit, non-prefetchable) [size=16K]
        Capabilities: <access denied>
        Kernel driver in use: snd_hda_intel
        Kernel modules: snd_hda_intel

  00:04.0 Signal processing controller: Intel Corporation Broadwell-U Processor 
Thermal Subsystem (rev 09)
        Subsystem: Samsung Electronics Co Ltd Broadwell-U Processor Thermal 
Subsystem
        Control: I/O- Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B- DisINTx-
        Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- 
<MAbort- >SERR- <PERR- INTx-
        Interrupt: pin A routed to IRQ 16
        Region 0: Memory at f7210000 (64-bit, non-prefetchable) [size=32K]
        Capabilities: <access denied>
        Kernel driver in use: proc_thermal
        Kernel modules: processor_thermal_device

  00:14.0 USB controller: Intel Corporation Wildcat Point-LP USB xHCI 
Controller (rev 03) (prog-if 30 [XHCI])
        Subsystem: Samsung Electronics Co Ltd Wildcat Point-LP USB xHCI 
Controller
        Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B- DisINTx+
        Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- 
<TAbort- <MAbort- >SERR- <PERR- INTx-
        Latency: 0
        Interrupt: pin A routed to IRQ 42
        Region 0: Memory at f7200000 (64-bit, non-prefetchable) [size=64K]
        Capabilities: <access denied>
        Kernel driver in use: xhci_hcd

  00:16.0 Communication controller: Intel Corporation Wildcat Point-LP MEI 
Controller #1 (rev 03)
        Subsystem: Samsung Electronics Co Ltd Wildcat Point-LP MEI Controller
        Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B- DisINTx+
        Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- 
<MAbort- >SERR- <PERR- INTx-
        Latency: 0
        Interrupt: pin A routed to IRQ 45
        Region 0: Memory at f7223000 (64-bit, non-prefetchable) [size=32]
        Capabilities: <access denied>
        Kernel driver in use: mei_me
        Kernel modules: mei_me

  00:1b.0 Audio device: Intel Corporation Wildcat Point-LP High Definition 
Audio Controller (rev 03)
        Subsystem: Samsung Electronics Co Ltd Wildcat Point-LP High Definition 
Audio Controller
        Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B- DisINTx+
        Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- 
<MAbort- >SERR- <PERR- INTx-
        Latency: 32, Cache Line Size: 64 bytes
        Interrupt: pin A routed to IRQ 47
        Region 0: Memory at f7218000 (64-bit, non-prefetchable) [size=16K]
        Capabilities: <access denied>
        Kernel driver in use: snd_hda_intel
        Kernel modules: snd_hda_intel

  00:1c.0 PCI bridge: Intel Corporation Wildcat Point-LP PCI Express Root Port 
#3 (rev e3) (prog-if 00 [Normal decode])
        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B- DisINTx-
        Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- 
<MAbort- >SERR- <PERR- INTx-
        Latency: 0, Cache Line Size: 64 bytes
        Interrupt: pin C routed to IRQ 18
        Bus: primary=00, secondary=01, subordinate=01, sec-latency=0
        Memory behind bridge: f7000000-f71fffff
        Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- 
<MAbort- <SERR- <PERR-
        BridgeCtl: Parity- SERR- NoISA- VGA- MAbort- >Reset- FastB2B-
                PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
        Capabilities: <access denied>
        Kernel driver in use: pcieport
        Kernel modules: shpchp

  00:1f.0 ISA bridge: Intel Corporation Wildcat Point-LP LPC Controller (rev 03)
        Subsystem: Samsung Electronics Co Ltd Wildcat Point-LP LPC Controller
        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B- DisINTx-
        Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- 
<TAbort- <MAbort- >SERR- <PERR- INTx-
        Latency: 0
        Capabilities: <access denied>
        Kernel driver in use: lpc_ich
        Kernel modules: lpc_ich

  00:1f.2 SATA controller: Intel Corporation Wildcat Point-LP SATA Controller 
[AHCI Mode] (rev 03) (prog-if 01 [AHCI 1.0])
        Subsystem: Samsung Electronics Co Ltd Wildcat Point-LP SATA Controller 
[AHCI Mode]
        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B- DisINTx+
        Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- 
<TAbort- <MAbort- >SERR- <PERR- INTx-
        Latency: 0
        Interrupt: pin B routed to IRQ 43
        Region 0: I/O ports at f0b0 [size=8]
        Region 1: I/O ports at f0a0 [size=4]
        Region 2: I/O ports at f090 [size=8]
        Region 3: I/O ports at f080 [size=4]
        Region 4: I/O ports at f060 [size=32]
        Region 5: Memory at f7221000 (32-bit, non-prefetchable) [size=2K]
        Capabilities: <access denied>
        Kernel driver in use: ahci
        Kernel modules: ahci

  00:1f.3 SMBus: Intel Corporation Wildcat Point-LP SMBus Controller (rev 03)
        Subsystem: Samsung Electronics Co Ltd Wildcat Point-LP SMBus Controller
        Control: I/O+ Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B- DisINTx-
        Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- 
<TAbort- <MAbort- >SERR- <PERR- INTx-
        Interrupt: pin C routed to IRQ 18
        Region 0: Memory at f7220000 (64-bit, non-prefetchable) [size=256]
        Region 4: I/O ports at f040 [size=32]
        Kernel driver in use: i801_smbus
        Kernel modules: i2c_i801

  01:00.0 Network controller: Qualcomm Atheros QCA6174 802.11ac Wireless 
Network Adapter (rev 20)
        Subsystem: Samsung Electronics Co Ltd QCA6174 802.11ac Wireless Network 
Adapter
        Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B- DisINTx+
        Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- 
<MAbort- >SERR- <PERR- INTx-
        Latency: 0, Cache Line Size: 64 bytes
        Interrupt: pin A routed to IRQ 46
        Region 0: Memory at f7000000 (64-bit, non-prefetchable) [size=2M]
        Capabilities: <access denied>
        Kernel driver in use: ath10k_pci
        Kernel modules: ath10k_pci

  Other:
  hangs the wifi nic and hangs any attempt to shutdown except holding the power 
button.

  Any help appreciated!

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