Re: iwlagn is getting very shaky

From: wwguy
Date: Wed Oct 26 2011 - 00:01:31 EST

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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] [<ffffffff810376c1>] warn_slowpath_common+0x83/0x9b
> [ 3279.808411] [<ffffffff810376f3>] warn_slowpath_null+0x1a/0x1c
> [ 3279.808438] [<ffffffffa0158149>] rate_control_send_low+0xa5/0x165 [mac80211]
> [ 3279.808459] [<ffffffffa01b01c2>] rs_get_rate+0x146/0x254 [iwlwifi]
> [ 3279.808486] [<ffffffffa01585b1>] rate_control_get_rate+0x86/0x14c [mac80211]
> [ 3279.808516] [<ffffffffa015f632>] ieee80211_tx_h_rate_ctrl+0x1cb/0x3e4 [mac80211]
> [ 3279.808546] [<ffffffffa015fac9>] invoke_tx_handlers+0x69/0xf5 [mac80211]
> [ 3279.808575] [<ffffffffa015fcd2>] ieee80211_tx+0x7f/0xaf [mac80211]
> [ 3279.808605] [<ffffffffa0160172>] ieee80211_xmit+0x89/0x97 [mac80211]
> [ 3279.808634] [<ffffffffa0160d10>] ieee80211_tx_skb+0x57/0x5f [mac80211]
> [ 3279.808659] [<ffffffffa0152098>] ieee80211_send_nullfunc+0x5f/0x64 [mac80211]
> [ 3279.808684] [<ffffffffa01520ff>] ieee80211_mgd_probe_ap_send+0x62/0xe6 [mac80211]
> [ 3279.808709] [<ffffffffa01522fb>] ? ieee80211_recalc_ps+0x10/0x250 [mac80211]
> [ 3279.808734] [<ffffffffa0152960>] ieee80211_mgd_probe_ap+0xc9/0xd9 [mac80211]
> [ 3279.808759] [<ffffffffa0152a6b>] ieee80211_beacon_connection_loss_work+0xe2/0xed [mac80211]
> [ 3279.808785] [<ffffffffa0152989>] ? ieee80211_sta_monitor_work+0x19/0x19 [mac80211]
> [ 3279.808797] [<ffffffff8104d9cc>] process_one_work+0x17b/0x2bd
> [ 3279.808807] [<ffffffff8104c011>] ? need_to_create_worker+0x12/0x26
> [ 3279.808818] [<ffffffff8104eac7>] worker_thread+0xdb/0x15f
> [ 3279.808829] [<ffffffff8104e9ec>] ? manage_workers.isra.24+0x171/0x171
> [ 3279.808839] [<ffffffff81051ef2>] kthread+0x84/0x8c
> [ 3279.808851] [<ffffffff81401394>] kernel_thread_helper+0x4/0x10
> [ 3279.808862] [<ffffffff81051e6e>] ? kthread_worker_fn+0x148/0x148
> [ 3279.808872] [<ffffffff81401390>] ? 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] <IRQ> [<ffffffff810376c1>] warn_slowpath_common+0x83/0x9b
> [ 3314.515973] [<ffffffff810376f3>] warn_slowpath_null+0x1a/0x1c
> [ 3314.515996] [<ffffffffa01cdb0e>] iwl_trans_pcie_tx+0x180/0x661 [iwlwifi]
> [ 3314.516009] [<ffffffff810d14b3>] ? kmem_cache_alloc+0x44/0xb9
> [ 3314.516030] [<ffffffffa01b59f8>] iwlagn_tx_skb+0x862/0x901 [iwlwifi]
> [ 3314.516048] [<ffffffffa01abf8c>] iwlagn_mac_tx+0x131/0x1a2 [iwlwifi]
> [ 3314.516069] [<ffffffffa016abd6>] ? ieee80211_tx_h_fragment+0x16/0x22c [mac80211]
> [ 3314.516098] [<ffffffffa015ef24>] __ieee80211_tx+0x176/0x1cf [mac80211]
> [ 3314.516117] [<ffffffffa016ab48>] ? ieee80211_tx_h_calculate_duration+0x4c/0x65 [mac80211]
> [ 3314.516147] [<ffffffffa015fcea>] ieee80211_tx+0x97/0xaf [mac80211]
> [ 3314.516178] [<ffffffffa0160be6>] ieee80211_tx_pending+0xf0/0x1c3 [mac80211]
> [ 3314.516191] [<ffffffff8103cdd2>] tasklet_action+0x77/0xc2
> [ 3314.516201] [<ffffffff8103cf13>] __do_softirq+0xbc/0x1a5
> [ 3314.516212] [<ffffffff8103cb4f>] ? test_ti_thread_flag.constprop.16+0x9/0x16
> [ 3314.516225] [<ffffffff8140148c>] call_softirq+0x1c/0x30
> [ 3314.516230] <EOI> [<ffffffff8100371a>] do_softirq+0x38/0x6e
> [ 3314.516248] [<ffffffff8103cbd9>] _local_bh_enable_ip.isra.12+0x7d/0xa0
> [ 3314.516259] [<ffffffff8103cc0a>] local_bh_enable_ip+0xe/0x10
> [ 3314.516268] [<ffffffff813ff657>] _raw_spin_unlock_bh+0x23/0x25
> [ 3314.516291] [<ffffffffa014ec70>] ieee80211_agg_tx_operational+0x99/0xa4 [mac80211]
> [ 3314.516316] [<ffffffffa014f7bf>] ieee80211_process_addba_resp+0xb8/0xf1 [mac80211]
> [ 3314.516329] [<ffffffff81064040>] ? arch_read_unlock+0xe/0xe
> [ 3314.516355] [<ffffffffa0156a38>] ieee80211_iface_work+0x130/0x2b5 [mac80211]
> [ 3314.516381] [<ffffffffa0156908>] ? ieee80211_teardown_sdata+0xcc/0xcc [mac80211]
> [ 3314.516394] [<ffffffff8104d9cc>] process_one_work+0x17b/0x2bd
> [ 3314.516404] [<ffffffff8104c011>] ? need_to_create_worker+0x12/0x26
> [ 3314.516415] [<ffffffff8104eac7>] worker_thread+0xdb/0x15f
> [ 3314.516426] [<ffffffff8104e9ec>] ? manage_workers.isra.24+0x171/0x171
> [ 3314.516436] [<ffffffff81051ef2>] kthread+0x84/0x8c
> [ 3314.516447] [<ffffffff81401394>] kernel_thread_helper+0x4/0x10
> [ 3314.516458] [<ffffffff81051e6e>] ? kthread_worker_fn+0x148/0x148
> [ 3314.516467] [<ffffffff81401390>] ? 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

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Next message: Norbert Preining: "Re: iwlagn is getting very shaky"
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In reply to: Norbert Preining: "Re: iwlagn is getting very shaky"
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