Return-path: Received: from mga01.intel.com ([192.55.52.88]:31762 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750698Ab1JZEB2 (ORCPT ); Wed, 26 Oct 2011 00:01:28 -0400 Subject: Re: iwlagn is getting very shaky From: wwguy To: Norbert Preining Cc: David Rientjes , "linux-kernel@vger.kernel.org" , "ipw3945-devel@lists.sourceforge.net" , "ilw@linux.intel.com" , "linux-wireless@vger.kernel.org" , Pekka Enberg In-Reply-To: <20111026025014.GB24956@gamma.logic.tuwien.ac.at> References: <20111019060108.GA11588@gamma.logic.tuwien.ac.at> <20111019062517.GC11588@gamma.logic.tuwien.ac.at> <1319003304.31823.46.camel@wwguy-huron> <20111019064628.GA14817@gamma.logic.tuwien.ac.at> <1319004836.31823.57.camel@wwguy-huron> <20111020045927.GB23044@gamma.logic.tuwien.ac.at> <1319119852.2111.2.camel@wwguy-ubuntu> <20111021012442.GB26758@gamma.logic.tuwien.ac.at> <20111026025014.GB24956@gamma.logic.tuwien.ac.at> Content-Type: text/plain; charset="UTF-8" Date: Tue, 25 Oct 2011 20:55:33 -0700 Message-ID: <1319601333.14693.19.camel@wwguy-ubuntu> (sfid-20111026_060150_139327_ED44282B) Mime-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org List-ID: Norbert, On Tue, 2011-10-25 at 19:50 -0700, Norbert Preining wrote: > Hi David, > > On So, 23 Okt 2011, David Rientjes wrote: > > It'd be interesting to see if this problem still exists in linux-next > > since some wireless changes went into that recently. Please try the tree > > at git://github.com/sfrothwell/linux-next.git > > I didn't try that by now, but I tried current linux git where > a lot of things went into, I am running on top of 7670c7010c. > With that I get: > - two different kernel bugs, the first one actually appearing several > times > - after a short time no package goes out, but the addapter still believes > to be associated. > > Here is the dmesg output of the two kernel bugs and the following > hard reset. > > BTW, that happened at the *critical* access point at the university. > At home I was before running hte same kernel without problem. > BUt it might be a suspend/resume problem, too, as I suspended the > computer and woke it up here. > > so this is different problem, right? it looks different compare to what you described before which is cause by queue stopped. Thanks Wey > [ 3279.808204] ------------[ cut here ]------------ > [ 3279.808246] WARNING: at include/net/mac80211.h:3570 rate_control_send_low+0xa5/0x165 [mac80211]() > [ 3279.808254] Hardware name: VGN-Z11VN_B > [ 3279.808258] Modules linked in: rfcomm bnep vboxpci vboxnetadp vboxnetflt vboxdrv snd_hrtimer binfmt_misc dm_crypt dm_mod isofs btrfs zlib_deflate crc32c libcrc32c vfat fat fuse loop uinput snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep snd_pcm_oss snd_mixer_oss snd_pcm arc4 snd_seq_dummy snd_seq_oss iwlwifi snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq mac80211 btusb snd_timer bluetooth snd_seq_device firewire_ohci snd firewire_core sony_laptop crc16 soundcore mxm_wmi cfg80211 snd_page_alloc crc_itu_t rfkill joydev tpm_infineon > [ 3279.808379] Pid: 4956, comm: kworker/u:11 Tainted: G W 3.1.0+ #40 > [ 3279.808385] Call Trace: > [ 3279.808400] [] warn_slowpath_common+0x83/0x9b > [ 3279.808411] [] warn_slowpath_null+0x1a/0x1c > [ 3279.808438] [] rate_control_send_low+0xa5/0x165 [mac80211] > [ 3279.808459] [] rs_get_rate+0x146/0x254 [iwlwifi] > [ 3279.808486] [] rate_control_get_rate+0x86/0x14c [mac80211] > [ 3279.808516] [] ieee80211_tx_h_rate_ctrl+0x1cb/0x3e4 [mac80211] > [ 3279.808546] [] invoke_tx_handlers+0x69/0xf5 [mac80211] > [ 3279.808575] [] ieee80211_tx+0x7f/0xaf [mac80211] > [ 3279.808605] [] ieee80211_xmit+0x89/0x97 [mac80211] > [ 3279.808634] [] ieee80211_tx_skb+0x57/0x5f [mac80211] > [ 3279.808659] [] ieee80211_send_nullfunc+0x5f/0x64 [mac80211] > [ 3279.808684] [] ieee80211_mgd_probe_ap_send+0x62/0xe6 [mac80211] > [ 3279.808709] [] ? ieee80211_recalc_ps+0x10/0x250 [mac80211] > [ 3279.808734] [] ieee80211_mgd_probe_ap+0xc9/0xd9 [mac80211] > [ 3279.808759] [] ieee80211_beacon_connection_loss_work+0xe2/0xed [mac80211] > [ 3279.808785] [] ? ieee80211_sta_monitor_work+0x19/0x19 [mac80211] > [ 3279.808797] [] process_one_work+0x17b/0x2bd > [ 3279.808807] [] ? need_to_create_worker+0x12/0x26 > [ 3279.808818] [] worker_thread+0xdb/0x15f > [ 3279.808829] [] ? manage_workers.isra.24+0x171/0x171 > [ 3279.808839] [] kthread+0x84/0x8c > [ 3279.808851] [] kernel_thread_helper+0x4/0x10 > [ 3279.808862] [] ? kthread_worker_fn+0x148/0x148 > [ 3279.808872] [] ? gs_change+0xb/0xb > [ 3279.808879] ---[ end trace b7620f873182e7e3 ]--- > [ 3284.284925] wlan0: deauthenticating from 00:24:c4:ab:bd:ef by local choice (reason=2) > [ 3284.344356] cfg80211: Calling CRDA to update world regulatory domain > [ 3284.351319] wlan0: authenticate with 00:24:c4:ab:bd:ef (try 1) > [ 3284.445310] wlan0: authenticated > [ 3284.447486] wlan0: associate with 00:24:c4:ab:bd:ef (try 1) > [ 3284.449486] wlan0: RX ReassocResp from 00:24:c4:ab:bd:ef (capab=0x1 status=0 aid=2) > [ 3284.449489] wlan0: associated > [ 3314.515741] iwlwifi 0000:06:00.0: Tx aggregation enabled on ra = 00:24:c4:ab:bd:ef tid = 0 > [ 3314.515762] ------------[ cut here ]------------ > [ 3314.515800] WARNING: at drivers/net/wireless/iwlwifi/iwl-trans-pcie.c:1101 iwl_trans_pcie_tx+0x180/0x661 [iwlwifi]() > [ 3314.515808] Hardware name: VGN-Z11VN_B > [ 3314.515813] Modules linked in: rfcomm bnep vboxpci vboxnetadp vboxnetflt vboxdrv snd_hrtimer binfmt_misc dm_crypt dm_mod isofs btrfs zlib_deflate crc32c libcrc32c vfat fat fuse loop uinput snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep snd_pcm_oss snd_mixer_oss snd_pcm arc4 snd_seq_dummy snd_seq_oss iwlwifi snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq mac80211 btusb snd_timer bluetooth snd_seq_device firewire_ohci snd firewire_core sony_laptop crc16 soundcore mxm_wmi cfg80211 snd_page_alloc crc_itu_t rfkill joydev tpm_infineon > [ 3314.515937] Pid: 4954, comm: kworker/u:9 Tainted: G W 3.1.0+ #40 > [ 3314.515943] Call Trace: > [ 3314.515948] [] warn_slowpath_common+0x83/0x9b > [ 3314.515973] [] warn_slowpath_null+0x1a/0x1c > [ 3314.515996] [] iwl_trans_pcie_tx+0x180/0x661 [iwlwifi] > [ 3314.516009] [] ? kmem_cache_alloc+0x44/0xb9 > [ 3314.516030] [] iwlagn_tx_skb+0x862/0x901 [iwlwifi] > [ 3314.516048] [] iwlagn_mac_tx+0x131/0x1a2 [iwlwifi] > [ 3314.516069] [] ? ieee80211_tx_h_fragment+0x16/0x22c [mac80211] > [ 3314.516098] [] __ieee80211_tx+0x176/0x1cf [mac80211] > [ 3314.516117] [] ? ieee80211_tx_h_calculate_duration+0x4c/0x65 [mac80211] > [ 3314.516147] [] ieee80211_tx+0x97/0xaf [mac80211] > [ 3314.516178] [] ieee80211_tx_pending+0xf0/0x1c3 [mac80211] > [ 3314.516191] [] tasklet_action+0x77/0xc2 > [ 3314.516201] [] __do_softirq+0xbc/0x1a5 > [ 3314.516212] [] ? test_ti_thread_flag.constprop.16+0x9/0x16 > [ 3314.516225] [] call_softirq+0x1c/0x30 > [ 3314.516230] [] do_softirq+0x38/0x6e > [ 3314.516248] [] _local_bh_enable_ip.isra.12+0x7d/0xa0 > [ 3314.516259] [] local_bh_enable_ip+0xe/0x10 > [ 3314.516268] [] _raw_spin_unlock_bh+0x23/0x25 > [ 3314.516291] [] ieee80211_agg_tx_operational+0x99/0xa4 [mac80211] > [ 3314.516316] [] ieee80211_process_addba_resp+0xb8/0xf1 [mac80211] > [ 3314.516329] [] ? arch_read_unlock+0xe/0xe > [ 3314.516355] [] ieee80211_iface_work+0x130/0x2b5 [mac80211] > [ 3314.516381] [] ? ieee80211_teardown_sdata+0xcc/0xcc [mac80211] > [ 3314.516394] [] process_one_work+0x17b/0x2bd > [ 3314.516404] [] ? need_to_create_worker+0x12/0x26 > [ 3314.516415] [] worker_thread+0xdb/0x15f > [ 3314.516426] [] ? manage_workers.isra.24+0x171/0x171 > [ 3314.516436] [] kthread+0x84/0x8c > [ 3314.516447] [] kernel_thread_helper+0x4/0x10 > [ 3314.516458] [] ? kthread_worker_fn+0x148/0x148 > [ 3314.516467] [] ? gs_change+0xb/0xb > [ 3314.516474] ---[ end trace b7620f873182e7e4 ]--- > [ 3324.128094] iwlwifi 0000:06:00.0: Queue 11 stuck for 10000 ms. > [ 3324.128105] iwlwifi 0000:06:00.0: Current read_ptr 14 write_ptr 31 > [ 3324.128113] iwlwifi 0000:06:00.0: On demand firmware reload > [ 3324.128548] ieee80211 phy0: Hardware restart was requested > [ 3324.128657] iwlwifi 0000:06:00.0: L1 Enabled; Disabling L0S > [ 3324.131680] iwlwifi 0000:06:00.0: Radio type=0x1-0x2-0x0 > > > Best wishes > > Norbert > ------------------------------------------------------------------------ > Norbert Preining preining@{jaist.ac.jp, logic.at, debian.org} > JAIST, Japan TeX Live & Debian Developer > DSA: 0x09C5B094 fp: 14DF 2E6C 0307 BE6D AD76 A9C0 D2BF 4AA3 09C5 B094 > ------------------------------------------------------------------------ > PODE HOLE (n.) > A hole drilled in chipboard lavatory walls by homosexuals for any one > of a number of purposes. > --- Douglas Adams, The Meaning of Liff