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I have a bluetooth headset using the A2DP profile. It works just great until I start using the WiFi network intensively. For example, if I download a big webpage on Firefox. It then starts to lag, that is, sound is played a few moments after it was emitted by the source. The effect is directly proportional with network usage. For example, when I run a speed test, the headset stops working for a few moments. When it ends, the headset starts working again but sound is delayed more or less by 10 seconds.
Both WiFi and Bluetooth are manager by a Qualcomm Atheros QCA6174. This is the card info and the loaded kernel modules.
>lspci | grep -i wireless
04:00.0 Network controller: Qualcomm Atheros QCA6174 802.11ac Wireless Network Adapter (rev 32)
> lsmod | grep ath
ath10k_pci 77824 0
ath10k_core 479232 1 ath10k_pciI've checked the firmware files in /usr/lib/firmware/ath10k/QCA6174 and files have the same MD5 checksum as the last firmware in https://github.com/kvalo/ath10k-firmwar … er/QCA6174.
I've also found a flag for Intel's driver (iwlwifi) called bt_coex_active to enable WiFi and Bluetooth coexistence, but I haven't found the same for ath10k. Any idea?
Last edited by Kamugo (2018-05-13 21:45:49)
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While it's may not much help, have a look at this thread.
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I'm actually using 5 GHz WiFi. Maybe it's a bit better than using 2.4 Ghz. I suppose I'll need to buy a separated WiFi or Bluetooth card to get a better experience.
Last edited by Kamugo (2018-05-14 12:23:46)
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