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Date: Fri, 4 Nov 2011 13:58:17 +0900 From: Norbert Preining <preining@...ic.at> To: "Guy, Wey-Yi" <wey-yi.w.guy@...el.com> Cc: David Rientjes <rientjes@...gle.com>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "ipw3945-devel@...ts.sourceforge.net" <ipw3945-devel@...ts.sourceforge.net>, "ilw@...ux.intel.com" <ilw@...ux.intel.com>, "linux-wireless@...r.kernel.org" <linux-wireless@...r.kernel.org>, Pekka Enberg <penberg@...helsinki.fi> Subject: Re: iwlagn is getting very shaky Hi Wey, On Di, 01 Nov 2011, Guy, Wey-Yi wrote: > after the firmware reloaded, is the traffic resume? or it is continuous > without traffic? Ok, I compiled a new kernel from todays git, and I see that there are kernel bugs, but after the hardware restart traffic gets through. While suspending I have: [ 6630.948551] WARNING: at drivers/pci/pci-driver.c:607 pci_has_legacy_pm_support.isra.8+0x53/0x59() [ 6630.948557] Hardware name: VGN-Z11VN_B [ 6630.948561] Modules linked in: sony_laptop rfcomm bnep snd_hrtimer binfmt_misc dm_crypt dm_mod isofs btrfs zlib_deflate crc32c libcrc32c vfat fat fuse loop uinput snd_hda_codec_realtek arc4 iwlwifi snd_hda_intel snd_hda_codec snd_hwdep snd_pcm_oss snd_mixer_oss snd_pcm firewire_ohci mac80211 snd_seq_dummy snd_seq_oss snd_seq_midi firewire_core cfg80211 snd_rawmidi snd_seq_midi_event btusb snd_seq snd_timer mxm_wmi bluetooth snd_seq_device crc16 snd rfkill joydev crc_itu_t tpm_infineon soundcore snd_page_alloc [ 6630.948655] Pid: 11390, comm: kworker/u:8 Not tainted 3.1.0+ #42 [ 6630.948660] Call Trace: [ 6630.948674] [<ffffffff8103843d>] warn_slowpath_common+0x83/0x9b [ 6630.948683] [<ffffffff8103846f>] warn_slowpath_null+0x1a/0x1c [ 6630.948692] [<ffffffff811aa983>] pci_has_legacy_pm_support.isra.8+0x53/0x59 [ 6630.948701] [<ffffffff811aaf94>] pci_pm_suspend+0x34/0x104 [ 6630.948711] [<ffffffff8127f50b>] pm_op+0x8b/0x149 [ 6630.948719] [<ffffffff8127f72f>] __device_suspend+0x106/0x196 [ 6630.948727] [<ffffffff8127f7de>] async_suspend+0x1f/0x5d [ 6630.948737] [<ffffffff81058251>] async_run_entry_fn+0x9e/0x131 [ 6630.948746] [<ffffffff810581b3>] ? async_schedule+0x17/0x17 [ 6630.948756] [<ffffffff8104dd60>] process_one_work+0x17b/0x2bd [ 6630.948764] [<ffffffff8104c3a5>] ? need_to_create_worker+0x12/0x26 [ 6630.948773] [<ffffffff8104ee5b>] worker_thread+0xdb/0x15f [ 6630.948780] [<ffffffff8104ed80>] ? manage_workers.isra.24+0x171/0x171 [ 6630.948789] [<ffffffff81052541>] kthread+0x84/0x8c [ 6630.948800] [<ffffffff81408a14>] kernel_thread_helper+0x4/0x10 [ 6630.948809] [<ffffffff810524bd>] ? kthread_worker_fn+0x148/0x148 [ 6630.948817] [<ffffffff81408a10>] ? gs_change+0xb/0xb [ 6630.948824] ---[ end trace 9f0907b3f72ff4c6 ]--- (several of them) Then I get some WARNINGS from iwl: [ 6662.601340] WARNING: at drivers/net/wireless/iwlwifi/iwl-trans-pcie.c:1101 iwl_trans_pcie_tx+0x180/0x661 [iwlwifi]() [ 6662.601343] Hardware name: VGN-Z11VN_B [ 6662.601345] Modules linked in: sony_laptop rfcomm bnep snd_hrtimer binfmt_misc dm_crypt dm_mod isofs btrfs zlib_deflate crc32c libcrc32c vfat fat fuse loop uinput snd_hda_codec_realtek arc4 iwlwifi snd_hda_intel snd_hda_codec snd_hwdep snd_pcm_oss snd_mixer_oss snd_pcm firewire_ohci mac80211 snd_seq_dummy snd_seq_oss snd_seq_midi firewire_core cfg80211 snd_rawmidi snd_seq_midi_event btusb snd_seq snd_timer mxm_wmi bluetooth snd_seq_device crc16 snd rfkill joydev crc_itu_t tpm_infineon soundcore snd_page_alloc [ 6662.601386] Pid: 11391, comm: kworker/u:9 Tainted: G W 3.1.0+ #42 [ 6662.601388] Call Trace: [ 6662.601390] <IRQ> [<ffffffff8103843d>] warn_slowpath_common+0x83/0x9b [ 6662.601399] [<ffffffff8103846f>] warn_slowpath_null+0x1a/0x1c [ 6662.601407] [<ffffffffa0223b04>] iwl_trans_pcie_tx+0x180/0x661 [iwlwifi] [ 6662.601412] [<ffffffff810d32a5>] ? kmem_cache_alloc+0x44/0xb9 [ 6662.601419] [<ffffffffa020b9f4>] iwlagn_tx_skb+0x862/0x901 [iwlwifi] [ 6662.601425] [<ffffffffa0201f8c>] iwlagn_mac_tx+0x131/0x1a2 [iwlwifi] [ 6662.601434] [<ffffffffa01d8bc6>] ? ieee80211_tx_h_fragment+0x16/0x22c [mac80211] [ 6662.601443] [<ffffffffa01ccf14>] __ieee80211_tx+0x176/0x1cf [mac80211] [ 6662.601449] [<ffffffffa01d8b38>] ? ieee80211_tx_h_calculate_duration+0x4c/0x65 [mac80211] [ 6662.601459] [<ffffffffa01cdcda>] ieee80211_tx+0x97/0xaf [mac80211] [ 6662.601469] [<ffffffffa01cebd6>] ieee80211_tx_pending+0xf0/0x1c3 [mac80211] [ 6662.601473] [<ffffffff8103db22>] tasklet_action+0x77/0xc2 [ 6662.601477] [<ffffffff8103dc63>] __do_softirq+0xbc/0x1a5 [ 6662.601481] [<ffffffff81408b0c>] call_softirq+0x1c/0x30 [ 6662.601483] <EOI> [<ffffffff8100359e>] do_softirq+0x38/0x6e [ 6662.601489] [<ffffffff8103d929>] _local_bh_enable_ip.isra.12+0x7d/0xa0 [ 6662.601492] [<ffffffff8103d95a>] local_bh_enable_ip+0xe/0x10 [ 6662.601496] [<ffffffff81406d22>] _raw_spin_unlock_bh+0x23/0x25 [ 6662.601503] [<ffffffffa01bcc64>] ieee80211_agg_tx_operational+0x99/0xa4 [mac80211] [ 6662.601512] [<ffffffffa01bd7b2>] ieee80211_process_addba_resp+0xb8/0xf2 [mac80211] [ 6662.601516] [<ffffffff81064740>] ? do_raw_spin_trylock+0xc/0x2a [ 6662.601525] [<ffffffffa01c4a26>] ieee80211_iface_work+0x130/0x2b5 [mac80211] [ 6662.601534] [<ffffffffa01c48f6>] ? ieee80211_teardown_sdata+0xcc/0xcc [mac80211] [ 6662.601538] [<ffffffff8104dd60>] process_one_work+0x17b/0x2bd [ 6662.601541] [<ffffffff8104c3a5>] ? need_to_create_worker+0x12/0x26 [ 6662.601545] [<ffffffff8104ee5b>] worker_thread+0xdb/0x15f [ 6662.601548] [<ffffffff8104ed80>] ? manage_workers.isra.24+0x171/0x171 [ 6662.601552] [<ffffffff81052541>] kthread+0x84/0x8c [ 6662.601556] [<ffffffff81408a14>] kernel_thread_helper+0x4/0x10 [ 6662.601559] [<ffffffff810524bd>] ? kthread_worker_fn+0x148/0x148 [ 6662.601563] [<ffffffff81408a10>] ? gs_change+0xb/0xb Then I get the hanging queue: [ 6672.360098] iwlwifi 0000:06:00.0: Queue 11 stuck for 10000 ms. [ 6672.360109] iwlwifi 0000:06:00.0: Current read_ptr 251 write_ptr 0 [ 6672.360117] iwlwifi 0000:06:00.0: On demand firmware reload [ 6672.360548] ieee80211 phy0: Hardware restart was requested [ 6672.360643] iwlwifi 0000:06:00.0: L1 Enabled; Disabling L0S [ 6672.363667] iwlwifi 0000:06:00.0: Radio type=0x1-0x2-0x0 After that network manager tries to connect to my univerity network, and I get another [ 6702.613501] WARNING: at include/net/mac80211.h:3570 rate_control_send_low+0xa5/0x165 [mac80211]() [ 6702.613508] Hardware name: VGN-Z11VN_B [ 6702.613513] Modules linked in: sony_laptop rfcomm bnep snd_hrtimer binfmt_misc dm_crypt dm_mod isofs btrfs zlib_deflate crc32c libcrc32c vfat fat fuse loop uinput snd_hda_codec_realtek arc4 iwlwifi snd_hda_intel snd_hda_codec snd_hwdep snd_pcm_oss snd_mixer_oss snd_pcm firewire_ohci mac80211 snd_seq_dummy snd_seq_oss snd_seq_midi firewire_core cfg80211 snd_rawmidi snd_seq_midi_event btusb snd_seq snd_timer mxm_wmi bluetooth snd_seq_device crc16 snd rfkill joydev crc_itu_t tpm_infineon soundcore snd_page_alloc [ 6702.613654] Pid: 11391, comm: kworker/u:9 Tainted: G W 3.1.0+ #42 [ 6702.613661] Call Trace: [ 6702.613678] [<ffffffff8103843d>] warn_slowpath_common+0x83/0x9b [ 6702.613689] [<ffffffff8103846f>] warn_slowpath_null+0x1a/0x1c [ 6702.613715] [<ffffffffa01c6139>] rate_control_send_low+0xa5/0x165 [mac80211] [ 6702.613735] [<ffffffffa02061be>] rs_get_rate+0x146/0x254 [iwlwifi] [ 6702.613763] [<ffffffffa01c65a1>] rate_control_get_rate+0x86/0x14c [mac80211] [ 6702.613776] [<ffffffff81406ea7>] ? _raw_spin_unlock_irqrestore+0x25/0x30 ] ieee80211_tx_h_rate_ctrl+0x1cb/0x3e4 [mac80211] [ 6702.613834] [<ffffffffa01d13d7>] ? ieee80211_send_probe_req+0x50/0x58 [mac80211] [ 6702.613863] [<ffffffffa01cdab9>] invoke_tx_handlers+0x69/0xf5 [mac80211] [ 6702.613892] [<ffffffffa01cdcc2>] ieee80211_tx+0x7f/0xaf [mac80211] [ 6702.613922] [<ffffffffa01ce162>] ieee80211_xmit+0x89/0x97 [mac80211] [ 6702.613950] [<ffffffffa01ced00>] ieee80211_tx_skb+0x57/0x5f [mac80211] [ 6702.613976] [<ffffffffa01c0088>] ieee80211_send_nullfunc+0x5f/0x64 [mac80211] [ 6702.613999] [<ffffffffa01bc349>] ieee80211_offchannel_return+0x94/0x1a5 [mac80211] [ 6702.614012] [<ffffffff8104494f>] ? mod_timer+0x90/0x99 [ 6702.614038] [<ffffffffa01c3de0>] ieee80211_work_work+0xf9c/0x105d [mac80211] [ 6702.614049] [<ffffffff8100074b>] ? __unlazy_fpu.part.3+0x9/0x61 [ 6702.614059] [<ffffffff81000d06>] ? __switch_to+0xd3/0x200 [ 6702.614070] [<ffffffff8102b30c>] ? need_resched+0x23/0x2d [ 6702.614096] [<ffffffffa01c2e44>] ? free_work+0x19/0x19 [mac80211] [ 6702.614108] [<ffffffff8104dd60>] process_one_work+0x17b/0x2bd [ 6702.614118] [<ffffffff8104c3a5>] ? need_to_create_worker+0x12/0x26 [ 6702.614129] [<ffffffff8104ee5b>] worker_thread+0xdb/0x15f [ 6702.614138] [<ffffffff8104ed80>] ? manage_workers.isra.24+0x171/0x171 [ 6702.614149] [<ffffffff81052541>] kthread+0x84/0x8c [ 6702.614160] [<ffffffff81408a14>] kernel_thread_helper+0x4/0x10 [ 6702.614172] [<ffffffff810524bd>] ? kthread_worker_fn+0x148/0x148 [ 6702.614181] [<ffffffff81408a10>] ? gs_change+0xb/0xb Networkanager[2263]: <info> (wlan0): supplicant interface state: completed -> authenticating [ 6702.812109] wlan0: direct probe to 00:24:c4:ab:bd:e0 (try 2/3) [ 6703.012130] wlan0: direct probe to 00:24:c4:ab:bd:e0 (try 3/3) [ 6703.212113] wlan0: direct probe to 00:24:c4:ab:bd:e0 timed out and another few (3) WARNING in include/net/mac80211.h:3570 rate_control_send_low+0xa5/0x165 and the final hickup: [ 6712.366859] wlan0: deauthenticating from 00:24:c4:ab:bd:ef by local choice (reason=2) [ 6712.366964] iwlwifi 0000:06:00.0: Stopping AGG while state not ON or starting for 0 on 0 (0) wpa_supplicant[2339]: Trying to authenticate with 00:24:c4:ab:bd:e0 (SSID='XXXXXXXX' freq=2412 MHz) wpa_supplicant[2339]: CTRL-EVENT-DISCONNECTED bssid=00:24:c4:ab:bd:e0 reason=2 [ 6712.381957] cfg80211: Calling CRDA to update world regulatory domain After that NM succeeds and the connections seems to be stable. I have no idea if that helps you in any way?! Best wishes Norbert ------------------------------------------------------------------------ Norbert Preining preining@...ist.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 ------------------------------------------------------------------------ BALLYCUMBER One of the six half-read books lying somewhere in your bed. --- Douglas Adams, The Meaning of Liff -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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