Public bug reported:

Wifi card stopped working. I use Lubuntu 20.04.

Wifi card info:

  *-network                 
       description: Wireless interface
       product: QCA6174 802.11ac Wireless Network Adapter
       vendor: Qualcomm Atheros
       physical id: 0
       bus info: pci@0000:3a:00.0
       logical name: wlp58s0
       version: 32
       serial: 9c:b6:d0:d4:9b:33
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress bus_master cap_list ethernet physical 
wireless
       configuration: broadcast=yes driver=ath10k_pci 
driverversion=5.6.11-050611-generic firmware=WLAN.RM.4.4.1-00151-QCARMSWPZ-2 
ip=192.168.0.87 latency=0 link=yes multicast=yes wireless=IEEE 802.11
       resources: irq:135 memory:dc000000-dc1fffff

Releveant journal log attached. In brief,

Jun 10 15:54:41 user-XPS-13-9360 kernel: ACPI: EC: interrupt blocked
Jun 10 15:54:41 user-XPS-13-9360 kernel: ACPI: EC: interrupt unblocked
Jun 10 15:54:41 user-XPS-13-9360 kernel: ath10k_pci 0000:3a:00.0: failed to 
receive control response completion, polling..
Jun 10 15:54:41 user-XPS-13-9360 kernel: ath10k_pci 0000:3a:00.0: failed to 
wake target for write32 of 0x00000001 at 0x00034430: -110
...
Jun 10 15:54:41 user-XPS-13-9360 kernel: ath10k_pci 0000:3a:00.0: ctl_resp 
never came in (-110)
Jun 10 15:54:41 user-XPS-13-9360 kernel: ath10k_pci 0000:3a:00.0: failed to 
connect to HTC: -110
Jun 10 15:54:41 user-XPS-13-9360 kernel: ath10k_warn: 122 callbacks suppressed

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: Incomplete

** Attachment added: "log.txt"
   https://bugs.launchpad.net/bugs/1882968/+attachment/5382474/+files/log.txt

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https://bugs.launchpad.net/bugs/1882968

Title:
  ath10k_pci failed to wake target for write32

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  Wifi card stopped working. I use Lubuntu 20.04.

  Wifi card info:

    *-network                 
         description: Wireless interface
         product: QCA6174 802.11ac Wireless Network Adapter
         vendor: Qualcomm Atheros
         physical id: 0
         bus info: pci@0000:3a:00.0
         logical name: wlp58s0
         version: 32
         serial: 9c:b6:d0:d4:9b:33
         width: 64 bits
         clock: 33MHz
         capabilities: pm msi pciexpress bus_master cap_list ethernet physical 
wireless
         configuration: broadcast=yes driver=ath10k_pci 
driverversion=5.6.11-050611-generic firmware=WLAN.RM.4.4.1-00151-QCARMSWPZ-2 
ip=192.168.0.87 latency=0 link=yes multicast=yes wireless=IEEE 802.11
         resources: irq:135 memory:dc000000-dc1fffff

  Releveant journal log attached. In brief,

  Jun 10 15:54:41 user-XPS-13-9360 kernel: ACPI: EC: interrupt blocked
  Jun 10 15:54:41 user-XPS-13-9360 kernel: ACPI: EC: interrupt unblocked
  Jun 10 15:54:41 user-XPS-13-9360 kernel: ath10k_pci 0000:3a:00.0: failed to 
receive control response completion, polling..
  Jun 10 15:54:41 user-XPS-13-9360 kernel: ath10k_pci 0000:3a:00.0: failed to 
wake target for write32 of 0x00000001 at 0x00034430: -110
  ...
  Jun 10 15:54:41 user-XPS-13-9360 kernel: ath10k_pci 0000:3a:00.0: ctl_resp 
never came in (-110)
  Jun 10 15:54:41 user-XPS-13-9360 kernel: ath10k_pci 0000:3a:00.0: failed to 
connect to HTC: -110
  Jun 10 15:54:41 user-XPS-13-9360 kernel: ath10k_warn: 122 callbacks suppressed

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