ath10k: qca4019: FW crash on 5GHz when baseEepHeader.nonLinearTxFir == 1

[Sven Eckelmann]

On Friday, 17 September 2021 18:25:35 CEST Sven Eckelmann wrote:
[...]
> Interestingly, the crash disappeared when I've changed 
> baseEepHeader.nonLinearTxFir (offset 0xc2 in the BDF) from 1 to 0.
> 
> The device itself was using firmware 10.4-3.6-00140 (the version currently in 
> linux-firmware) - a working firmware is 10.4-3.5.3-00078. I also wanted to 
> "bisected" when this problem was introduced but there are only these two 
> recent firmware version available in Kalle's ath10k-firmware repository.

In case somebody wants to try it out, here is the config.seed for OpenWrt 
21.02.0:

    CONFIG_TARGET_ipq40xx=y
    CONFIG_TARGET_ipq40xx_generic=y
    CONFIG_TARGET_ipq40xx_generic_DEVICE_plasmacloud_pa1200=y
    CONFIG_ATH10K_LEDS=y
    CONFIG_PACKAGE_ath10k-firmware-qca4019=y
    # CONFIG_PACKAGE_ath10k-firmware-qca4019-ct is not set
    # CONFIG_PACKAGE_firewall is not set
    CONFIG_PACKAGE_ipq-wifi-plasmacloud_pa1200=y
    CONFIG_PACKAGE_kmod-ath10k=y
    # CONFIG_PACKAGE_kmod-ath10k-ct is not set
    # CONFIG_TARGET_ROOTFS_INITRAMFS is not set
    CONFIG_PACKAGE_kmod-hwmon-core=y
    CONFIG_PACKAGE_kmod-ipt-conntrack=y
    CONFIG_PACKAGE_kmod-ipt-nat=y
    CONFIG_PACKAGE_kmod-nf-conntrack6=y
    CONFIG_PACKAGE_kmod-nf-nat=y

Kind regards,
	Sven
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