I'm facing the same problem and stacktrace output is similar: [ 3232.387605] ------------[ cut here ]------------ [ 3232.387612] WARNING: at drivers/net/wireless/ath/ath9k/rc.c:697 ath_rc_get_highest_rix.isra.16+0x15c/0x1e0 [ath9k]() [ 3232.387614] Hardware name: To Be Filled By O.E.M. [ 3232.387615] Modules linked in: bnep rfcomm bluetooth pci_stub vboxpci(O) vboxnetadp(O) vboxnetflt(O) aesni_intel cryptd aes_x86_64 aes_generic vboxdrv(O) parport_pc ppdev binfmt_misc dm_crypt snd_hda_codec_hdmi arc4 snd_hda_codec_realtek joydev nvidia(P) ath9k snd_hda_intel mac80211 snd_hda_codec snd_hwdep snd_seq_midi snd_pcm snd_rawmidi snd_seq_midi_event snd_seq ath9k_common ath9k_hw ath cfg80211 snd_timer snd_seq_device psmouse serio_raw shpchp snd soundcore snd_page_alloc coretemp lp parport usbhid hid usb_storage uas firewire_ohci i915 mxm_wmi firewire_core tg3 drm_kms_helper crc_itu_t ahci libahci xhci_hcd drm video [ 3232.387645] Pid: 2702, comm: bash Tainted: P W O 3.2.0-core2 #1 [ 3232.387646] Call Trace: [ 3232.387647] <IRQ> [<ffffffff8105b3cf>] warn_slowpath_common+0x7f/0xc0 [ 3232.387653] [<ffffffff8105b42a>] warn_slowpath_null+0x1a/0x20 [ 3232.387656] [<ffffffffa032b48c>] ath_rc_get_highest_rix.isra.16+0x15c/0x1e0 [ath9k] [ 3232.387660] [<ffffffffa032b594>] ath_get_rate+0x84/0x400 [ath9k] [ 3232.387664] [<ffffffffa03276f4>] ? ath_tx_send_normal+0x84/0xd0 [ath9k] [ 3232.387670] [<ffffffffa02b2ea6>] rate_control_get_rate+0x96/0x170 [mac80211] [ 3232.387677] [<ffffffffa02bd977>] invoke_tx_handlers+0x7c7/0x10e0 [mac80211] [ 3232.387679] [<ffffffff814b5954>] ? led_trigger_event+0x24/0x80 [ 3232.387685] [<ffffffffa02be3da>] ieee80211_tx+0x5a/0xc0 [mac80211] [ 3232.387690] [<ffffffffa02be4cd>] ieee80211_xmit+0x8d/0xd0 [mac80211] [ 3232.387695] [<ffffffffa02beb84>] ieee80211_subif_start_xmit+0x3c4/0xa60 [mac80211] [ 3232.387698] [<ffffffff814dca22>] dev_hard_start_xmit+0x322/0x6d0 [ 3232.387701] [<ffffffff8104dd97>] ? select_task_rq_fair+0x327/0xaa0 [ 3232.387703] [<ffffffff814f9e5e>] sch_direct_xmit+0xfe/0x1d0 [ 3232.387706] [<ffffffff814dcf51>] dev_queue_xmit+0x181/0x630 [ 3232.387708] [<ffffffff8151417a>] ip_finish_output+0x16a/0x2f0 [ 3232.387711] [<ffffffff81514cd8>] ip_output+0x98/0xa0 [ 3232.387713] [<ffffffff8150bf3f>] ? ipv4_dst_check+0x2f/0x50 [ 3232.387716] [<ffffffff815143d9>] ip_local_out+0x29/0x30 [ 3232.387718] [<ffffffff8151453a>] ip_queue_xmit+0x15a/0x400 [ 3232.387721] [<ffffffff8152b8c4>] tcp_transmit_skb+0x3e4/0x8d0 [ 3232.387723] [<ffffffff8152dbdc>] tcp_send_ack+0x8c/0xe0 [ 3232.387725] [<ffffffff815213ce>] __tcp_ack_snd_check+0x5e/0xa0 [ 3232.387728] [<ffffffff8152994c>] tcp_rcv_established+0x52c/0x8b0 [ 3232.387730] [<ffffffff8153164f>] tcp_v4_do_rcv+0x27f/0x440 [ 3232.387733] [<ffffffff81533450>] tcp_v4_rcv+0x620/0x8f0 [ 3232.387735] [<ffffffff8150d686>] ? ip_route_input_common+0xcc6/0xe60 [ 3232.387738] [<ffffffff81039d59>] ? default_spin_lock_flags+0x9/0x10 [ 3232.387741] [<ffffffff8150f575>] ip_local_deliver_finish+0xd5/0x270 [ 3232.387743] [<ffffffff8150f8d8>] ip_local_deliver+0x88/0x90 [ 3232.387746] [<ffffffff8150f251>] ip_rcv_finish+0x131/0x380 [ 3232.387748] [<ffffffff8150fb15>] ip_rcv+0x235/0x300 [ 3232.387750] [<ffffffff815a4fa7>] ? packet_rcv_spkt+0x47/0x190 [ 3232.387754] [<ffffffff814da60a>] __netif_receive_skb+0x52a/0x5d0 [ 3232.387757] [<ffffffff814db280>] netif_receive_skb+0x80/0x90 [ 3232.387762] [<ffffffffa02b83a1>] ieee80211_deliver_skb.isra.32+0xa1/0x200 [mac80211] [ 3232.387767] [<ffffffffa02b9480>] ieee80211_rx_handlers+0xca0/0x1ec0 [mac80211] [ 3232.387770] [<ffffffff81039d59>] ? default_spin_lock_flags+0x9/0x10 [ 3232.387775] [<ffffffffa02ba7fd>] ieee80211_prepare_and_rx_handle+0x15d/0xa30 [mac80211] [ 3232.387808] [<ffffffffa0a6616a>] ? os_release_spinlock+0x1a/0x20 [nvidia] [ 3232.387813] [<ffffffffa02bb3fe>] ieee80211_rx+0x32e/0x9e0 [mac80211] [ 3232.387818] [<ffffffffa03251f3>] ath_rx_tasklet+0xb73/0x1bd0 [ath9k] [ 3232.387820] [<ffffffff81039d00>] ? __ticket_spin_trylock+0x30/0x30 [ 3232.387823] [<ffffffff812f18a0>] ? swiotlb_map_sg+0x10/0x10 [ 3232.387826] [<ffffffffa031de5e>] ? ath9k_ioread32+0x7e/0x90 [ath9k] [ 3232.387830] [<ffffffffa0321f1f>] ath9k_tasklet+0x10f/0x1d0 [ath9k] [ 3232.387833] [<ffffffff810622b8>] tasklet_action+0x78/0x140 [ 3232.387835] [<ffffffff810628f8>] __do_softirq+0xa8/0x210 [ 3232.387838] [<ffffffff8104a6a5>] ? check_preempt_curr+0x75/0xa0 [ 3232.387840] [<ffffffff810333b6>] ? ack_apic_level+0x76/0x1e0 [ 3232.387843] [<ffffffff815ea0ec>] call_softirq+0x1c/0x30 [ 3232.387846] [<ffffffff81015195>] do_softirq+0x65/0xa0 [ 3232.387848] [<ffffffff81062cde>] irq_exit+0x8e/0xb0 [ 3232.387851] [<ffffffff815ea9a3>] do_IRQ+0x63/0xe0 [ 3232.387853] [<ffffffff815e02ee>] common_interrupt+0x6e/0x6e [ 3232.387855] <EOI> [<ffffffff815e7e82>] ? system_call_fastpath+0x16/0x1b [ 3232.387858] ---[ end trace cff36769fdf44373 ]---
This message keeps repeating and fills /var/log/messages. Currently it's size is 3.2GB. Affected hardware: TP-Link TL-WN951N, AR5008 with Atheros AR5416 MAC/BB Rev:2 and AR2133 RF Rev:81. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/910519 Title: network breaks - ath9k for TP-Link 5008 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/910519/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
