apport information

** Attachment added: "ProcCpuinfoMinimal.txt"
   
https://bugs.launchpad.net/bugs/1827879/+attachment/5264339/+files/ProcCpuinfoMinimal.txt

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Title:
  Killer Wireless 1525 firmware crashes on suspend

Status in Ubuntu:
  New
Status in linux package in Ubuntu:
  Confirmed
Status in network-manager package in Ubuntu:
  New

Bug description:
  Problem: 
  Ubuntu running on Alienware 17 R2 system hangs on suspend. The Keyboard LED's 
stay on and FAN keeps running. Strangely this does not happen in Fedora 29 
(Kernel 4.18 & same board firmware)

  System:
  Ubuntu 19.04 
  Kernel 5.0.0-13-generic
  Wireless chipset Killer Wireless 1525 (Atheros QCA6174, hw2.1)
  Wireless info:
         description: Wireless interface
         product: QCA6174 802.11ac Wireless Network Adapter
         vendor: Qualcomm Atheros
         physical id: 0
         bus info: pci@0000:03:00.0
         logical name: wlp3s0
         version: 20
         serial: 40:b8:9a:ca:2b:99
         width: 64 bits
         clock: 33MHz
         capabilities: pm msi pciexpress bus_master cap_list ethernet physical 
wireless
         configuration: broadcast=yes driver=ath10k_pci 
driverversion=5.0.0-13-generic firmware=SW_RM.1.1.1-00157-QCARMSWPZ-1 
ip=192.168.55.161 latency=0 link=yes multicast=yes wireless=IEEE 802.11
         resources: irq:32 memory:f6800000-f69fffff

  
  My attempts:
  1. Tried other kernels:
  5.0.12, 4.20.17, 4.19.7, 4.18.16, 4.18.0, 4.16.0, 4.14.114

  2. Tried several distro's based on ubuntu -> all have the same issue

  3. Checked firmware from Fedora 29 (md5sum was equal) and updated
  firmware (not available, using latest)

  4. Created systemd scripts for disabling & enabling the driver, this causes 
the same crashes in /var/log/syslog
  See: https://forum.manjaro.org/t/solved-qca6174-freez-after-suspend/66232/11

  5. Physically replaced Killer 1525 with Intel 8260 --> problem is
  gone, standby works perfectly

  Of course i want to be able to use the 1525, so please help me solve the 
issue.
  Happy to perform additional debugging if required.
  --- 
  ProblemType: Bug
  ApportVersion: 2.20.10-0ubuntu27
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  sander     1527 F.... pulseaudio
   /dev/snd/controlC0:  sander     1527 F.... pulseaudio
  CurrentDesktop: KDE
  DistroRelease: Ubuntu 19.04
  IfupdownConfig:
   # interfaces(5) file used by ifup(8) and ifdown(8)
   auto lo
   iface lo inet loopback
  IpRoute:
   default via 192.168.55.1 dev wlp3s0 proto dhcp metric 600 
   169.254.0.0/16 dev wlp3s0 scope link metric 1000 
   192.168.55.0/24 dev wlp3s0 proto kernel scope link src 192.168.55.58 metric 
600
  MachineType: Alienware Alienware 17 R2
  NetworkManager.state:
   [main]
   NetworkingEnabled=true
   WirelessEnabled=true
   WWANEnabled=true
  NonfreeKernelModules: nvidia_modeset nvidia
  Package: network-manager 1.16.0-0ubuntu2
  PackageArchitecture: amd64
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.0.0-15-generic 
root=UUID=9f06fd28-fdb2-4ada-986f-1e7eb1b87882 ro quiet splash vt.handoff=1
  ProcVersionSignature: Ubuntu 5.0.0-15.16-generic 5.0.6
  RelatedPackageVersions:
   linux-restricted-modules-5.0.0-15-generic N/A
   linux-backports-modules-5.0.0-15-generic  N/A
   linux-firmware                            1.178.1
  Tags:  disco
  Uname: Linux 5.0.0-15-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  _MarkForUpload: True
  dmi.bios.date: 03/31/2017
  dmi.bios.vendor: Alienware
  dmi.bios.version: A08
  dmi.board.name: Alienware 17 R2
  dmi.board.vendor: Alienware
  dmi.board.version: A00
  dmi.chassis.type: 8
  dmi.chassis.vendor: Alienware
  dmi.chassis.version: A08
  dmi.modalias: 
dmi:bvnAlienware:bvrA08:bd03/31/2017:svnAlienware:pnAlienware17R2:pvrA08:rvnAlienware:rnAlienware17R2:rvrA00:cvnAlienware:ct8:cvrA08:
  dmi.product.family: Alienware 17 R2
  dmi.product.name: Alienware 17 R2
  dmi.product.sku: Alienware 15
  dmi.product.version: A08
  dmi.sys.vendor: Alienware
  nmcli-nm:
   RUNNING  VERSION  STATE      STARTUP  CONNECTIVITY  NETWORKING  WIFI-HW  
WIFI     WWAN-HW  WWAN    
   running  1.16.0   connected  started  full          enabled     enabled  
enabled  enabled  enabled

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