On Sat, Jul 30, 2011 at 6:14 PM, Bartek Knapek <at...@knapek.pl> wrote: > Hi! > > I am using ath9k in AP mode. Several times a day clients loose > connectivity for a short while, which often causes e.g. the established > TCP/IP sessions to be dropped. > > When running 2.6.39.3 I was getting "Attempting to restart tx logic" > each time the problem occurred. I have upgraded compat wireless to > 2011-07-28. Now I no longer see the entries in the logs, but I keep > loosing connectivity as before.
those messages are removed by the patch ath9k: remove the pending frames ath_txq_schedule workaround > > It the problem known? > Are there any patches I could try? have you tried with the latest-hostapd http://hostap.epitest.fi/cvs.html i will try it out .. if you can get some debug information it will be helpful http://linuxwireless.org/en/users/Drivers/ath9k/debug > > I am using TL-WN781N on GA-H67E-USB3-B3, i3-2100T. > > lspci for the wlan card says: > 03:00.0 Network controller: Atheros Communications Inc. AR9285 Wireless > Network Adapter (PCI-Express) (rev 01) > Subsystem: Atheros Communications Inc. Device 30a1 > Flags: bus master, fast devsel, latency 0, IRQ 18 > Memory at fbbf0000 (64-bit, non-prefetchable) [size=64K] > Capabilities: [40] Power Management version 3 > Capabilities: [50] MSI: Enable- Count=1/1 Maskable- 64bit- > Capabilities: [60] Express Legacy Endpoint, MSI 00 > Capabilities: [100] Advanced Error Reporting > Capabilities: [140] Virtual Channel <?> > Capabilities: [160] Device Serial Number 00-15-17-ff-ff-24-14-12 > Capabilities: [170] Power Budgeting <?> > Kernel driver in use: ath9k > Kernel modules: ath9k > > Before upgrading compat I was seeing such entries in the logs: > [253951.809823] ath: txq: f4fdd9d8 axq_qnum: 2, mac80211_qnum: 2 > axq_link: f4990f3c pending frames: 1 axq_acq empty: 0 stopped: 0 > axq_depth: 0 Attempting to restart tx logic. > [253952.810527] ath: txq: f4fdd9d8 axq_qnum: 2, mac80211_qnum: 2 > axq_link: f4990f3c pending frames: 2 axq_acq empty: 0 stopped: 0 > axq_depth: 0 Attempting to restart tx logic. > [253953.811218] ath: txq: f4fdd9d8 axq_qnum: 2, mac80211_qnum: 2 > axq_link: f4990f3c pending frames: 2 axq_acq empty: 0 stopped: 0 > axq_depth: 0 Attempting to restart tx logic. > [253954.811923] ath: txq: f4fdd9d8 axq_qnum: 2, mac80211_qnum: 2 > axq_link: f4997aa8 pending frames: 2 axq_acq empty: 0 stopped: 0 > axq_depth: 0 Attempting to restart tx logic. > [253955.812627] ath: txq: f4fdd9d8 axq_qnum: 2, mac80211_qnum: 2 > axq_link: f4996c34 pending frames: 2 axq_acq empty: 0 stopped: 0 > axq_depth: 0 Attempting to restart tx logic. > [253996.841346] ath: txq: f4fdd9d8 axq_qnum: 2, mac80211_qnum: 2 > axq_link: f4996ef0 pending frames: 1 axq_acq empty: 1 stopped: 0 > axq_depth: 0 Attempting to restart tx logic. > [253997.842036] ath: txq: f4fdd9d8 axq_qnum: 2, mac80211_qnum: 2 > axq_link: f49907d0 pending frames: 26 axq_acq empty: 0 stopped: 0 > axq_depth: 0 Attempting to restart tx logic. > [253998.842723] ath: txq: f4fdd9d8 axq_qnum: 2, mac80211_qnum: 2 > axq_link: f49989e4 pending frames: 52 axq_acq empty: 0 stopped: 0 > axq_depth: 0 Attempting to restart tx logic. > [253999.843441] ath: txq: f4fdd9d8 axq_qnum: 2, mac80211_qnum: 2 > axq_link: f49989e4 pending frames: 74 axq_acq empty: 0 stopped: 0 > axq_depth: 0 Attempting to restart tx logic. > [254000.844144] ath: txq: f4fdd9d8 axq_qnum: 2, mac80211_qnum: 2 > axq_link: f49989e4 pending frames: 76 axq_acq empty: 0 stopped: 0 > axq_depth: 0 Attempting to restart tx logic. > [254001.844840] ath: txq: f4fdd9d8 axq_qnum: 2, mac80211_qnum: 2 > axq_link: f499b0f4 pending frames: 83 axq_acq empty: 0 stopped: 0 > axq_depth: 0 Attempting to restart tx logic. > [254002.845548] ath: txq: f4fdd9d8 axq_qnum: 2, mac80211_qnum: 2 > axq_link: f4992a94 pending frames: 99 axq_acq empty: 0 stopped: 0 > axq_depth: 0 Attempting to restart tx logic. > [254003.846245] ath: txq: f4fdd9d8 axq_qnum: 2, mac80211_qnum: 2 > axq_link: f4994a9c pending frames: 103 axq_acq empty: 0 stopped: 0 > axq_depth: 0 Attempting to restart tx logic. > > I am running 802.11n, according to the following hostapd.conf: > interface=wlan0 > > driver=nl80211 > logger_syslog=-1 > logger_syslog_level=2 > logger_stdout=-1 > logger_stdout_level=2 > dump_file=/tmp/hostapd.dump > ctrl_interface=/var/run/hostapd > ctrl_interface_group=0 > ssid=matylda > country_code=PL > ieee80211d=1 > hw_mode=g > channel=1 > beacon_int=1000 > dtim_period=2 > max_num_sta=255 > rts_threshold=2347 > fragm_threshold=2346 > macaddr_acl=1 > accept_mac_file=/etc/hostapd.accept > auth_algs=3 > ignore_broadcast_ssid=0 > wmm_enabled=1 > wmm_ac_bk_cwmin=4 > wmm_ac_bk_cwmax=10 > wmm_ac_bk_aifs=7 > wmm_ac_bk_txop_limit=0 > wmm_ac_bk_acm=0 > wmm_ac_be_aifs=3 > wmm_ac_be_cwmin=4 > wmm_ac_be_cwmax=10 > wmm_ac_be_txop_limit=0 > wmm_ac_be_acm=0 > wmm_ac_vi_aifs=2 > wmm_ac_vi_cwmin=3 > wmm_ac_vi_cwmax=4 > wmm_ac_vi_txop_limit=94 > wmm_ac_vi_acm=0 > wmm_ac_vo_aifs=2 > wmm_ac_vo_cwmin=2 > wmm_ac_vo_cwmax=3 > wmm_ac_vo_txop_limit=47 > wmm_ac_vo_acm=0 > ieee80211n=1 > ht_capab=[HT40-][HT40+][TX-STBC][RX-STBC1][DSSS_CCK-40] > eapol_key_index_workaround=0 > own_ip_addr=127.0.0.1 > wpa=2 > wpa_psk=xxx > wpa_key_mgmt=WPA-PSK > wpa_pairwise=TKIP CCMP > > BR/Bartek > > _______________________________________________ > ath9k-devel mailing list > ath9k-devel@lists.ath9k.org > https://lists.ath9k.org/mailman/listinfo/ath9k-devel > -- shafi _______________________________________________ ath9k-devel mailing list ath9k-devel@lists.ath9k.org https://lists.ath9k.org/mailman/listinfo/ath9k-devel
