tested 3.9 as was suggested. Problem persists. kern.log now gets the
following snippet about 40 times every 5 minutes.
Apr 1 18:46:12 pc kernel: [ 309.272772] ------------[ cut here ]------------
Apr 1 18:46:12 pc kernel: [ 309.272792] WARNING: at
/home/apw/COD/linux/drivers/net/wireless/iwlwifi/iwl-trans.h:761
iwl_trans_pcie_wait_txq_empty+0x36f/0x3e0 [iwlwifi]()
Apr 1 18:46:12 pc kernel: [ 309.272794] Hardware name: 6475BY5
Apr 1 18:46:12 pc kernel: [ 309.272795] Modules linked in:
snd_hda_codec_conexant coretemp joydev snd_hda_intel snd_hda_codec snd_hwdep
snd_pcm kvm snd_seq_midi snd_rawmidi pcmcia snd_seq_midi_event yenta_socket
pcmcia_rsrc arc4 microcode pcmcia_core snd_seq iwldvm psmouse mac80211 bnep
rfcomm parport_pc serio_raw snd_timer lpc_ich ppdev snd_seq_device iwlwifi
thinkpad_acpi snd nvram tpm_tis cfg80211 i915 btusb soundcore snd_page_alloc
bluetooth drm_kms_helper drm mac_hid wmi mei i2c_algo_bit video lp parport
firewire_ohci firewire_core crc_itu_t ahci libahci e1000e ptp pps_core
Apr 1 18:46:12 pc kernel: [ 309.272828] Pid: 245, comm: kworker/u:3 Tainted:
G W 3.9.0-030900rc5-generic #201303311835
Apr 1 18:46:12 pc kernel: [ 309.272830] Call Trace:
Apr 1 18:46:12 pc kernel: [ 309.272837] [<ffffffff8105a53f>]
warn_slowpath_common+0x7f/0xc0
Apr 1 18:46:12 pc kernel: [ 309.272840] [<ffffffff8105a59a>]
warn_slowpath_null+0x1a/0x20
Apr 1 18:46:12 pc kernel: [ 309.272846] [<ffffffffa030c00f>]
iwl_trans_pcie_wait_txq_empty+0x36f/0x3e0 [iwlwifi]
Apr 1 18:46:12 pc kernel: [ 309.272855] [<ffffffffa044ab9e>]
iwlagn_mac_flush+0xae/0x1b0 [iwldvm]
Apr 1 18:46:12 pc kernel: [ 309.272882] [<ffffffffa036ae84>]
ieee80211_idle_on+0x64/0x100 [mac80211]
Apr 1 18:46:12 pc kernel: [ 309.272894] [<ffffffffa036b225>]
ieee80211_recalc_idle+0xf5/0x130 [mac80211]
Apr 1 18:46:12 pc kernel: [ 309.272907] [<ffffffffa0385056>]
ieee80211_free_chanctx+0xa6/0x1a0 [mac80211]
Apr 1 18:46:12 pc kernel: [ 309.272920] [<ffffffffa0385fbb>]
__ieee80211_vif_release_channel+0x5b/0x70 [mac80211]
Apr 1 18:46:12 pc kernel: [ 309.272932] [<ffffffffa0386341>]
ieee80211_vif_release_channel+0x51/0x70 [mac80211]
Apr 1 18:46:12 pc kernel: [ 309.272948] [<ffffffffa03a035e>]
ieee80211_set_disassoc+0x24e/0x4f0 [mac80211]
Apr 1 18:46:12 pc kernel: [ 309.272961] [<ffffffffa03a07cb>]
ieee80211_sta_connection_lost.isra.29+0x3b/0x80 [mac80211]
Apr 1 18:46:12 pc kernel: [ 309.272976] [<ffffffffa03a2d31>]
ieee80211_sta_work+0x4a1/0x4b0 [mac80211]
Apr 1 18:46:12 pc kernel: [ 309.272986] [<ffffffffa036a898>]
ieee80211_iface_work+0x2b8/0x350 [mac80211]
Apr 1 18:46:12 pc kernel: [ 309.272989] [<ffffffff81079ceb>]
process_one_work+0x16b/0x400
Apr 1 18:46:12 pc kernel: [ 309.272992] [<ffffffff8107a8d8>]
worker_thread+0x118/0x350
Apr 1 18:46:12 pc kernel: [ 309.272994] [<ffffffff8107a7c0>] ?
manage_workers+0x120/0x120
Apr 1 18:46:12 pc kernel: [ 309.272998] [<ffffffff8107fee0>]
kthread+0xc0/0xd0
Apr 1 18:46:12 pc kernel: [ 309.273000] [<ffffffff8107fe20>] ?
flush_kthread_worker+0xb0/0xb0
Apr 1 18:46:12 pc kernel: [ 309.273005] [<ffffffff8170ca6c>]
ret_from_fork+0x7c/0xb0
Apr 1 18:46:12 pc kernel: [ 309.273007] [<ffffffff8107fe20>] ?
flush_kthread_worker+0xb0/0xb0
Apr 1 18:46:12 pc kernel: [ 309.273009] ---[ end trace 5679210a28b373b2 ]---
Apr 1 18:46:12 pc kernel: [ 309.311526] iwlwifi 0000:03:00.0: Q 16 is active
and mapped to fifo 2 ra_tid 0xa5a5 [90,1515870810]
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1162504
Title:
Intell 5300 iwlwifi, connection drops frequently, pc stalls for
several seconds
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