Mohammed Shafi Shajakhan <mohammed@xxxxxxxxxxxxxxxx> wrote: > From: Mohammed Shafi Shajakhan <mohammed@xxxxxxxxxxxxxxxx> > > WARN_ON_ONCE when we receive packets for self peer when mac80211 > had not assigned a proper channel context. This scenario happens > in QCA4019 when we start the AP via hostapd in background and start > it once again in the background without killing the previous instance! > This happens intermittently when we start / stop hostapd in a while loop > (incase the hostapd is not properly killed). This results in mac80211 > chancontext to be unassigned, while the self peer continuous receive > packets in target operating channel. This results in lot of call traces > in the rx path. Make this as a WARN_ON_ONCE to avoid flooding the console > which result in rebooting low memory systems, while still reporting the > warning once that we are receiving packets in target operating channel and > to indicate that something is happening which is not the expected result. > > WARNING: CPU: 0 PID: 0 at ath/ath10k/htt_rx.c:803 > [<c0318838>] (warn_slowpath_null) from [<bf4a0104>] > (ath10k_htt_rx_h_channel+0xe0/0x1b8 [ath10k_core]) > [<bf4a0104>] (ath10k_htt_rx_h_channel [ath10k_core]) from > [<bf4a025c>] (ath10k_htt_rx_h_ppdu+0x80/0x288 [ath10k_core]) > [<bf4a025c>] (ath10k_htt_rx_h_ppdu [ath10k_core]) from > [<bf4a1a9c>] (ath10k_htt_txrx_compl_task+0x724/0x9d4 [ath10k_core]) > [<bf4a1a9c>] (ath10k_htt_txrx_compl_task [ath10k_core]) > > Signed-off-by: Mohammed Shafi Shajakhan <mohammed@xxxxxxxxxxxxxxxx> Thanks, 1 patch applied to ath.git: 3b0499e9ce42 ath10k: reduce warning messages during rx without proper channel context -- Sent by pwcli https://patchwork.kernel.org/patch/9058791/ -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
