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    SubjectRe: ath9k crash 3.2-rc7
    You probably want to try linux-wireless@vger.kernel.org for maximum exposure...

    On Thu, Jan 05, 2012 at 01:18:09AM +0400, MR wrote:
    > Hello.
    >
    > I have noticed a complete crash (forced switch to console and Alt-SysRq-B
    > doesn't work) when I use ath9k driver for my WiFi card. The problem is that
    > the crash occurs after a few hours of use, so blind bissecting doesn't look
    > like a short-term plan.
    >
    > My card is (as lspci says):
    >
    > 03:00.0 Network controller: Atheros Communications Inc. AR9285 Wireless
    > Network Adapter (PCI-Express) (rev 01)
    > Subsystem: Device 1a3b:1089
    > Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
    > Stepping- SERR- FastB2B- DisINTx-
    > Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort-
    > <TAbort- <MAbort- >SERR- <PERR- INTx-
    > Latency: 0, Cache Line Size: 64 bytes
    > Interrupt: pin A routed to IRQ 17
    > Region 0: Memory at d7400000 (64-bit, non-prefetchable) [size=64K]
    >
    > I use an Asus N53JN notebook, if that matters.
    >
    > I have photos of two instances of the crash. The backtrace goes as follows (I
    > typed this in, so maybe there is a typo somewhere - I hope there is none,
    > though):
    >
    > wq_worker_sleeping+0x10/0xa0
    > __schedule+0x427/0x7b0
    > ? call_rcu_sched+0x10/0x20
    > schedule+0x3a/0x50
    > do_exit+0x57c/0x840
    > ? kmsg_dump+0x45/0xe0
    > oops_end+0xa5/0xf0
    > no_context+0xf2/0x270
    > __bad_area_no_semaphore+0xe/0x10
    > do_page_fault+0x2ba/0x450
    > ? up+0x2d/0x50
    > ? console_unlock+0x1df/0x250
    > ? select_task_rq_fair+0x5be/0x970
    > page_fault+0x25/0x30
    > ? ath_update_survey_stats+0xb7/0x1c0 [ath9k]
    > ath9k_config+0x115/0x780 [ath9k]
    > ? queue_work+0x1a/0x20
    > ? queue_delayed_work+0x25/0x30
    > ? ieee80211_queue_delayed_work+0x46/0x60 [mac80211]
    > ? ath9k_flush+0x155/0x1d0 [ath9k]
    > ieee80211_hw_config+0xe2/0x160 [mac80211]
    > ieee80211_scan_work+0x243/0x5c0 [mac80211]
    > ? ieee80211_scan_rx+0x1c0/0x1c0 [mac80211]
    > process_one_work+0x111/0x390
    > worker_thread+0x162/0x340
    > manage_workers.clone.26+0x240/0x240
    > kthread+0x96/0xa0
    > kernel_thread_helper+0x4/0x10
    > ? kthread_worker_fn+0x190/0x190
    > ? gs_change+0x13/0x13
    >
    >
    >
    >
    > --
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    --
    John W. Linville Someday the world will need a hero, and you
    linville@tuxdriver.com might be all we have. Be ready.


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