Wen Gong <wgong@xxxxxxxxxxxxxx> wrote: > When test simulate firmware crash, it is easy to trigger error. > command: > echo soft > /sys/kernel/debug/ieee80211/phyxx/ath10k/simulate_fw_crash. > > If input more than two times continuously, then it will have error. > Error message: > ath10k_pci 0000:02:00.0: failed to set vdev 1 RX wake policy: -108 > ath10k_pci 0000:02:00.0: device is wedged, will not restart > > It is because the state has not changed to ATH10K_STATE_ON immediately, > then it will have more than two simulate crash process running meanwhile, > and complete/wakeup some field twice, it destroy the normal recovery > process. > > add flag wait-ready for this command: > echo soft wait-ready > /sys/kernel/debug/ieee80211/phyxx/ath10k/simulate_fw_crash > > Tested with QCA6174 PCI with firmware > WLAN.RM.4.4.1-00109-QCARMSWPZ-1, but this will also affect QCA9377 PCI. > It's not a regression with new firmware releases. > > Signed-off-by: Wen Gong <wgong@xxxxxxxxxxxxxx> I'm dropping this as I suspect the real bug is somewhere else and this is just a workaround. Patch set to Changes Requested. -- https://patchwork.kernel.org/patch/10897587/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
