Comment 51 for bug 1730331

Apparently linux-firmware-20190213-93.git710963fe.fc28.noarch have a problem with Acer Swift 7:

lspci | grep Ather
01:00.0 Network controller: Qualcomm Atheros QCA6174 802.11ac Wireless Network Adapter (rev 32)

cat /var/log/messages | grep ath
Apr 7 22:18:42 localhost kernel: ath10k_pci 0000:01:00.0: pci irq msi oper_irq_mode 2 irq_mode 0 reset_mode 0
Apr 7 22:18:43 localhost kernel: ath10k_pci 0000:01:00.0: qca6174 hw3.2 target 0x05030000 chip_id 0x00340aff sub 11ad:0807
Apr 7 22:18:43 localhost kernel: ath10k_pci 0000:01:00.0: kconfig debug 0 debugfs 1 tracing 0 dfs 0 testmode 0
Apr 7 22:18:43 localhost kernel: ath10k_pci 0000:01:00.0: firmware ver RM.4.4.1.c2-00057-QCARMSWP-1 api 6 features wowlan,ignore-otp,no-4addr-pad,raw-mode crc32 e061250a
Apr 7 22:18:43 localhost kernel: ath10k_pci 0000:01:00.0: board_file api 2 bmi_id N/A crc32 4ed3569e
Apr 7 22:18:44 localhost kernel: ath10k_pci 0000:01:00.0: failed to receive control response completion, polling..
Apr 7 22:18:44 localhost kernel: ath10k_pci 0000:01:00.0: failed to wake target for write32 of 0x00000001 at 0x00034430: -110
Apr 7 22:18:44 localhost kernel: ath10k_pci 0000:01:00.0: failed to wake target for read32 at 0x00034444: -110
Apr 7 22:18:49 localhost kernel: ath10k_warn: 110 callbacks suppressed
<omitted>
Apr 7 23:30:53 localhost kernel: ath10k_pci 0000:01:00.0: failed to wake target for read32 at 0x0003a028: -110
Apr 7 23:30:53 localhost kernel: ath10k_pci 0000:01:00.0: failed to read device register, device is gone
Apr 7 23:30:53 localhost kernel: ath10k_pci 0000:01:00.0: failed to reset chip: -5
Apr 7 23:30:54 localhost kernel: ath10k_pci: probe of 0000:01:00.0 failed with error -5

Solution is to remove or move files board.bin firmware-6.bin notice_ath10k_firmware-6.txt from /lib/firmware/ath10k/QCA6174/hw3.0 directory and then

sudo rmmod ath10k_pci
sudo modprobe ath10k_pci

cat /var/log/messages | grep ath
Apr 8 02:29:37 localhost kernel: ath10k_pci 0000:01:00.0: Direct firmware load for ath10k/QCA6174/hw3.0/firmware-5.bin failed with error -2
Apr 8 02:29:37 localhost kernel: ath10k_pci 0000:01:00.0: qca6174 hw3.2 target 0x05030000 chip_id 0x00340aff sub 11ad:0807
Apr 8 02:29:37 localhost kernel: ath10k_pci 0000:01:00.0: kconfig debug 0 debugfs 1 tracing 0 dfs 0 testmode 0
Apr 8 02:29:37 localhost kernel: ath10k_pci 0000:01:00.0: firmware ver WLAN.RM.2.0-00180-QCARMSWPZ-1 api 4 features wowlan,ignore-otp,no-4addr-pad crc32 75dee6c5
Apr 8 02:29:37 localhost kernel: ath10k_pci 0000:01:00.0: Direct firmware load for ath10k/QCA6174/hw3.0/board-2.bin failed with error -2
Apr 8 02:29:37 localhost kernel: ath10k_pci 0000:01:00.0: board_file api 1 bmi_id N/A crc32 ed5f849a
Apr 8 02:29:40 localhost kernel: ath10k_pci 0000:01:00.0: failed to ping firmware: -110
Apr 8 02:29:40 localhost kernel: ath10k_pci 0000:01:00.0: failed to reset rx filter: -110
Apr 8 02:29:40 localhost kernel: ath10k_pci 0000:01:00.0: could not init core (-110)
Apr 8 02:29:40 localhost kernel: ath10k_pci 0000:01:00.0: could not probe fw (-110)
Apr 8 02:31:34 localhost kernel: ath10k_pci 0000:01:00.0: pci irq msi oper_irq_mode 2 irq_mode 0 reset_mode 0
Apr 8 02:31:34 localhost kernel: ath10k_pci 0000:01:00.0: Direct firmware load for ath10k/pre-cal-pci-0000:01:00.0.bin failed with error -2
Apr 8 02:31:34 localhost kernel: ath10k_pci 0000:01:00.0: Direct firmware load for ath10k/cal-pci-0000:01:00.0.bin failed with error -2
Apr 8 02:31:34 localhost kernel: ath10k_pci 0000:01:00.0: Direct firmware load for ath10k/QCA6174/hw3.0/firmware-6.bin failed with error -2
Apr 8 02:31:34 localhost kernel: ath10k_pci 0000:01:00.0: Direct firmware load for ath10k/QCA6174/hw3.0/firmware-5.bin failed with error -2
Apr 8 02:31:34 localhost kernel: ath10k_pci 0000:01:00.0: qca6174 hw3.2 target 0x05030000 chip_id 0x00340aff sub 11ad:0807
Apr 8 02:31:34 localhost kernel: ath10k_pci 0000:01:00.0: kconfig debug 0 debugfs 1 tracing 0 dfs 0 testmode 0
Apr 8 02:31:34 localhost kernel: ath10k_pci 0000:01:00.0: firmware ver WLAN.RM.2.0-00180-QCARMSWPZ-1 api 4 features wowlan,ignore-otp,no-4addr-pad crc32 75dee6c5
Apr 8 02:31:34 localhost kernel: ath10k_pci 0000:01:00.0: board_file api 2 bmi_id N/A crc32 4ed3569e
Apr 8 02:31:35 localhost kernel: ath10k_pci 0000:01:00.0: htt-ver 3.26 wmi-op 4 htt-op 3 cal otp max-sta 32 raw 0 hwcrypto 1
Apr 8 02:31:35 localhost kernel: ath10k_pci 0000:01:00.0 wlp1s0: renamed from wlan0
Apr 8 02:31:35 localhost NetworkManager[1084]: <info> [1554661895.4752] rfkill3: found WiFi radio killswitch (at /sys/devices/pci0000:00/0000:00:1d.0/0000:01:00.0/ieee80211/phy2/rfkill3) (driver ath10k_pci)
Apr 8 02:31:46 localhost kernel: ath10k_pci 0000:01:00.0 wlp1s0: disabling HT/VHT due to WEP/TKIP use