Re: 3.2.0-rc2: WARNING: at iwlwifi/wl-trans-pcie.c:1105
From: Arnd Hannemann
Date: Thu Nov 24 2011 - 16:55:41 EST
Hi,
Am 24.11.2011 07:23, schrieb Emmanuel Grumbach:
>>
>> I applied the QUEUE_DEBUG.patch you posted in the other thread, not sure if I'm experiencing the same problem:
>
> Yes, it looks similar. Please enable the MAC80211_HT_DEBUG compilation flag too.
> In any case now that I more the less see what is happening, I am
> working now on another debug patch.
Here you are, 3.2.0-rc3 with enabled MAC80211_HT_DEBUG and your QUEUE_DEBUG.patch:
[ 396.963871] switched off addBA timer for tid 0
[ 396.963877] Aggregation is on for tid 0
[ 396.964022] iwlwifi 0000:03:00.0: U iwl_trans_tx_queue_set_status Deactivate BA Queue 11 on FIFO 1
[ 396.964037] iwlwifi 0000:03:00.0: Tx aggregation enabled on ra = 30:46:9a:XX:XX:XX tid = 0
[ 396.964052] ------------[ cut here ]------------
[ 396.964079] WARNING: at /home/arnd/Projekte/kernel/linux-2.6/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c:1106 iwl_trans_pcie_tx+0xb71/0xb90 [iwlwifi]()
[ 396.964086] Hardware name: 4384GEG
[ 396.964090] Modules linked in: iwlwifi ufs qnx4 hfsplus hfs minix ntfs vfat msdos fat jfs xfs reiserfs ip6table_filter ip6_tables bnep rfcomm ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack ipt_REJECT xt_CHECKSUM iptable_mangle xt_tcpudp iptable_filter ip_tables x_tables bridge stp llc kvm_intel kvm joydev dm_crypt arc4 qcserial usb_wwan usbserial btusb bluetooth snd_hda_codec_hdmi snd_hda_codec_conexant binfmt_misc thinkpad_acpi snd_hda_intel snd_hda_codec snd_hwdep snd_seq_midi snd_pcm snd_rawmidi psmouse serio_raw snd_seq_midi_event snd_seq snd_timer snd_seq_device intel_ips mac80211 snd cfg80211 snd_page_alloc soundcore tpm_tis nvram mei(C) btrfs zlib_deflate libcrc32c mxm_wmi firewire_ohci wmi firewire_core crc_itu_t sdhci_pci sdhci ahci libahci i915 drm_kms_helper drm e1000e i2c_algo_bit video [last unloaded: iwlwifi]
[ 396.964231] Pid: 308, comm: kworker/u:4 Tainted: G C 3.2.0-rc3-aha+ #8
[ 396.964237] Call Trace:
[ 396.964241] <IRQ> [<ffffffff81062b7f>] warn_slowpath_common+0x7f/0xc0
[ 396.964259] [<ffffffff81062bda>] warn_slowpath_null+0x1a/0x20
[ 396.964279] [<ffffffffa0762fd1>] iwl_trans_pcie_tx+0xb71/0xb90 [iwlwifi]
[ 396.964304] [<ffffffffa026b0c8>] ? ccmp_encrypt_skb.isra.4+0x108/0x230 [mac80211]
[ 396.964321] [<ffffffffa07443e1>] ? iwlagn_tx_skb+0x161/0xb90 [iwlwifi]
[ 396.964336] [<ffffffffa074477f>] iwlagn_tx_skb+0x4ff/0xb90 [iwlwifi]
[ 396.964348] [<ffffffffa073b491>] iwlagn_mac_tx+0x121/0x1c0 [iwlwifi]
[ 396.964356] [<ffffffff8103aa39>] ? default_spin_lock_flags+0x9/0x10
[ 396.964376] [<ffffffffa0283806>] __ieee80211_tx+0x76/0x230 [mac80211]
[ 396.964394] [<ffffffffa028581c>] ieee80211_tx+0x8c/0xc0 [mac80211]
[ 396.964412] [<ffffffffa02866fd>] ieee80211_tx_pending+0x7d/0x220 [mac80211]
[ 396.964420] [<ffffffff8104a13c>] ? resched_task+0x2c/0x80
[ 396.964426] [<ffffffff81069b58>] tasklet_action+0x78/0x140
[ 396.964432] [<ffffffff8106a198>] __do_softirq+0xa8/0x210
[ 396.964439] [<ffffffff8160e5ec>] call_softirq+0x1c/0x30
[ 396.964441] <EOI> [<ffffffff81015195>] do_softirq+0x65/0xa0
[ 396.964451] [<ffffffff8106a0e4>] local_bh_enable_ip+0x94/0xa0
[ 396.964456] [<ffffffff81604439>] _raw_spin_unlock_bh+0x19/0x20
[ 396.964471] [<ffffffffa026e9a9>] ieee80211_agg_tx_operational+0xc9/0xe0 [mac80211]
[ 396.964486] [<ffffffffa026f2a4>] ieee80211_process_addba_resp+0x114/0x150 [mac80211]
[ 396.964503] [<ffffffffa0277f6f>] ieee80211_iface_work+0x2ff/0x350 [mac80211]
[ 396.964520] [<ffffffffa0277c70>] ? ieee80211_teardown_sdata+0xe0/0xe0 [mac80211]
[ 396.964527] [<ffffffff8108021a>] process_one_work+0x11a/0x480
[ 396.964533] [<ffffffff814f2ab7>] ? __kfree_skb+0x47/0xa0
[ 396.964538] [<ffffffff81080fa4>] worker_thread+0x164/0x370
[ 396.964543] [<ffffffff81080e40>] ? manage_workers.isra.30+0x230/0x230
[ 396.964548] [<ffffffff8108571c>] kthread+0x8c/0xa0
[ 396.964553] [<ffffffff8160e4f4>] kernel_thread_helper+0x4/0x10
[ 396.964558] [<ffffffff81085690>] ? flush_kthread_worker+0xa0/0xa0
[ 396.964563] [<ffffffff8160e4f0>] ? gs_change+0x13/0x13
[ 396.964566] ---[ end trace d76891b9559c3dcc ]---
[ 396.964741] Stopping Tx BA session for 30:46:9a:XX:XX:XX tid 0
[ 397.804618] Open BA session requested for 30:46:9a:XX:XX:XX tid 0
[ 397.844951] iwlwifi 0000:03:00.0: U iwl_trans_pcie_tx_agg_alloc HW queue is NOT empty: 44 packets in HW queue
[ 397.844964] activated addBA response timer on tid 0
[ 397.847025] switched off addBA timer for tid 0
[ 399.230074] iwlwifi 0000:03:00.0: Queue 11 stuck for 2000 ms.
[ 399.230081] iwlwifi 0000:03:00.0: Current read_ptr 12 write_ptr 57
[ 399.230086] iwlwifi 0000:03:00.0: On demand firmware reload
[ 399.230449] ieee80211 phy1: Hardware restart was requested
[ 399.230536] iwlwifi 0000:03:00.0: L1 Disabled; Enabling L0S
[ 399.237213] iwlwifi 0000:03:00.0: Radio type=0x0-0x3-0x1
Best regards
Arnd
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