Hi, On Sun, Nov 21, 2021 at 08:37:54PM +0100, Felix Fietkau wrote: > On 2021-11-18 14:25, Aaro Koskinen wrote: > > I have tried to upgrade my wireless AP (Raspberry Pi with rt2x00usb) > > from v5.9 to the current mainline, but now it keeps crashing every hour > > or so, basically making my wireless network unusable. > > > > I have bisected this to: > > > > commit 03c3911d2d67a43ad4ffd15b534a5905d6ce5c59 > > Author: Ryder Lee <ryder.lee@xxxxxxxxxxxx> > > Date: Thu Jun 17 18:31:12 2021 +0200 > > > > mac80211: call ieee80211_tx_h_rate_ctrl() when dequeue > > > > With the previous commit the system stays up for weeks... > > > > I just tried today's mainline, and it crashed after 10 minutes: > Please test if this patch fixes the issue: Thanks, that seems to help. I've been now running with this change roughly 24 hours, and still going fine... A. > --- > --- a/net/mac80211/tx.c > +++ b/net/mac80211/tx.c > @@ -1822,15 +1822,15 @@ static int invoke_tx_handlers_late(struct ieee80211_tx_data *tx) > struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx->skb); > ieee80211_tx_result res = TX_CONTINUE; > + if (!ieee80211_hw_check(&tx->local->hw, HAS_RATE_CONTROL)) > + CALL_TXH(ieee80211_tx_h_rate_ctrl); > + > if (unlikely(info->flags & IEEE80211_TX_INTFL_RETRANSMISSION)) { > __skb_queue_tail(&tx->skbs, tx->skb); > tx->skb = NULL; > goto txh_done; > } > - if (!ieee80211_hw_check(&tx->local->hw, HAS_RATE_CONTROL)) > - CALL_TXH(ieee80211_tx_h_rate_ctrl); > - > CALL_TXH(ieee80211_tx_h_michael_mic_add); > CALL_TXH(ieee80211_tx_h_sequence); > CALL_TXH(ieee80211_tx_h_fragment);