Hi John, we will take a look at this. i can later come up with few debug patches to narrow down the panic. looks like a problem in ath_update_survey_stats(survey pointer). full stack trace will be helpful thanks. On Thu, Jan 5, 2012 at 2:58 AM, John W. Linville <linville@xxxxxxxxxxxxx> wrote: > You probably want to try linux-wireless@xxxxxxxxxxxxxxx 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 >> >> >> >> >> -- >> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in >> the body of a message to majordomo@xxxxxxxxxxxxxxx >> More majordomo info at http://vger.kernel.org/majordomo-info.html >> Please read the FAQ at http://www.tux.org/lkml/ >> > > -- > John W. Linville Someday the world will need a hero, and you > linville@xxxxxxxxxxxxx might be all we have. Be ready. > -- > To unsubscribe from this list: send the line "unsubscribe linux-wireless" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- shafi -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
