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Re: ath9k crash 3.2-rc7

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2012/1/10 MR <g7af0ec1e3ea1e7b1@xxxxxxxxxxx>:
>  > >> So, I am building 3.2 with two patches: over/under-flow catcher (pity
>  > >that
>  >>> it seems to be on a multiple-times-per-second codepath and just leaving
>  > >the
>  >> > checks there for everyone is suboptimal) and allegedely proper fix.
>  >Both
>  > > > applied OK with a small offset.
>  > >
>  > > as per our assumption, we should not see those over/underflow errors,
>  > > with the patch
>  > > above mentioned. please let us know if you hit upon this warnings,
>  > > even after the proper fix.
>  >
>  > 2 hours in. It looks like 10%-20% throughput loss (both up and down with
>  >similar ratio) relative to "remove suspicious code" build. It may be some
>  >other change, of course (slightly moving the notebook, removing USB device
>  >
>  > charging from the notebook or something like that)
>
> Seems to be AP-dependent.
>
> I spent entire day on one AP with no problems, went across the building,
> roamed (went offline, found new AP) succesfully, and then ten minutes later:
> (logs saved)

does roaming seems to trigger this issue consistently ?
. please provide the logs
sudo modprobe -v ath9k debug=0xffffffff
http://linuxwireless.org/en/users/Drivers/ath9k/debug

>
> Jan 10 10:35:57 401a0bf1 kernel: [ 7681.407314] wlan0: deauthenticating from
> 00:19:5b:be:3c:a7 by local choice (reason=3)
> Jan 10 10:35:57 401a0bf1 kernel: [ 7681.427485] cfg80211: Calling CRDA to
> update world regulatory domain
> Jan 10 10:35:57 401a0bf1 kernel: [ 7681.694908] ADDRCONF(NETDEV_UP): wlan0:
> link is not ready
> Jan 10 10:35:58 401a0bf1 kernel: [ 7682.545018] wlan0: authenticate with
> 00:19:5b:be:3c:a7 (try 1)
> Jan 10 10:35:58 401a0bf1 kernel: [ 7682.546922] wlan0: authenticated
> Jan 10 10:35:58 401a0bf1 kernel: [ 7682.546954] wlan0: associate with
> 00:19:5b:be:3c:a7 (try 1)
> Jan 10 10:35:58 401a0bf1 kernel: [ 7682.549414] wlan0: RX AssocResp from
> 00:19:5b:be:3c:a7 (capab=0x431 status=0 aid=1)
> Jan 10 10:35:58 401a0bf1 kernel: [ 7682.549421] wlan0: associated
> Jan 10 10:35:58 401a0bf1 kernel: [ 7682.549900] ADDRCONF(NETDEV_CHANGE):
> wlan0: link becomes ready
> Jan 10 10:36:09 401a0bf1 kernel: [ 7693.095841] wlan0: no IPv6 routers
> present
> Jan 10 21:01:14 401a0bf1 kernel: [45162.286679] cfg80211: Calling CRDA to
> update world regulatory domain
> Jan 10 21:01:14 401a0bf1 kernel: [45163.155037] wlan0: authenticate with
> 00:24:8c:81:e1:76 (try 1)
> Jan 10 21:01:14 401a0bf1 kernel: [45163.157132] wlan0: authenticated
> Jan 10 21:01:14 401a0bf1 kernel: [45163.157159] wlan0: associate with
> 00:24:8c:81:e1:76 (try 1)
> Jan 10 21:01:14 401a0bf1 kernel: [45163.159708] wlan0: RX AssocResp from
> 00:24:8c:81:e1:76 (capab=0x411 status=0 aid=2)
> Jan 10 21:01:14 401a0bf1 kernel: [45163.159713] wlan0: associated
> Jan 10 21:34:32 401a0bf1 kernel: [47159.166426] ath: Failed to wakeup in
> 500us
> Jan 10 21:34:34 401a0bf1 kernel: [47160.506049] ath: Failed to stop TX DMA,
> queues=0x10f!
> Jan 10 21:34:34 401a0bf1 kernel: [47160.518977] ath: DMA failed to stop in
> 10 ms AR_CR=0xffffffff AR_DIAG_SW=0xffffffff DMADBG_7=0xffffffff
> Jan 10 21:34:34 401a0bf1 kernel: [47160.518982] ath: Could not stop RX, we
> could be confusing the DMA engine when we start RX up
> Jan 10 21:34:34 401a0bf1 kernel: [47160.635143] ath: Chip reset failed
> Jan 10 21:34:34 401a0bf1 kernel: [47160.635146] ath: Unable to reset
> channel, reset status -22
> Jan 10 21:34:34 401a0bf1 kernel: [47161.226194] ath: Failed to stop TX DMA,
> queues=0x10f!
> Jan 10 21:34:34 401a0bf1 kernel: [47161.239098] ath: DMA failed to stop in
> 10 ms AR_CR=0xffffffff AR_DIAG_SW=0xffffffff DMADBG_7=0xffffffff
> Jan 10 21:34:34 401a0bf1 kernel: [47161.239103] ath: Could not stop RX, we
> could be confusing the DMA engine when we start RX up
>
>
> Jan 10 21:42:53 401a0bf1 kernel: [47659.159537] ath: Failed to stop TX DMA,
> queues=0x10f!
> Jan 10 21:42:53 401a0bf1 kernel: [47659.172508] ath: DMA failed to stop in
> 10 ms AR_CR=0xffffffff AR_DIAG_SW=0xffffffff DMADBG_7=0xffffffff
> Jan 10 21:42:53 401a0bf1 kernel: [47659.172510] ath: Could not stop RX, we
> could be confusing the DMA engine when we start RX up
> Jan 10 21:42:53 401a0bf1 kernel: [47659.288040] ath: Chip reset failed
> Jan 10 21:42:53 401a0bf1 kernel: [47659.288045] ath: Unable to reset
> channel, reset status -22
> Jan 10 21:42:53 401a0bf1 kernel: [47659.288091] ath: Unable to set channel
> Jan 10 21:42:53 401a0bf1 kernel: [47659.353999] ath: Failed to stop TX DMA,
> queues=0x10f!
> Jan 10 21:42:53 401a0bf1 kernel: [47659.366852] ath: DMA failed to stop in
> 10 ms AR_CR=0xffffffff AR_DIAG_SW=0xffffffff DMADBG_7=0xffffffff
> Jan 10 21:42:53 401a0bf1 kernel: [47659.366857] ath: Could not stop RX, we
> could be confusing the DMA engine when we start RX up
> Jan 10 21:42:53 401a0bf1 kernel: [47659.482275] ath: Chip reset failed
> Jan 10 21:42:53 401a0bf1 kernel: [47659.482280] ath: Unable to reset
> channel, reset status -22
> Jan 10 21:42:53 401a0bf1 kernel: [47659.482302] ath: Unable to set channel
> Jan 10 21:42:53 401a0bf1 kernel: [47659.548509] ath: Failed to stop TX DMA,
> queues=0x10f!
> Jan 10 21:42:53 401a0bf1 kernel: [47659.561477] ath: DMA failed to stop in
> 10 ms AR_CR=0xffffffff AR_DIAG_SW=0xffffffff DMADBG_7=0xffffffff
> Jan 10 21:42:53 401a0bf1 kernel: [47659.561481] ath: Could not stop RX, we
> could be confusing the DMA engine when we start RX up
> Jan 10 21:42:53 401a0bf1 kernel: [47659.677601] ath: Chip reset failed
> Jan 10 21:42:53 401a0bf1 kernel: [47659.677604] ath: Unable to reset channel
> (2462 MHz), reset status -22
> Jan 10 21:42:54 401a0bf1 kernel: [47660.682084] ath: Failed to wakeup in
> 500us
> Jan 10 21:42:55 401a0bf1 kernel: [47661.231280] ath: Failed to wakeup in
> 500us
> Jan 10 21:42:55 401a0bf1 kernel: [47661.245756] ath: Failed to wakeup in
> 500us
> Jan 10 21:42:55 401a0bf1 kernel: [47661.273456] ath: Failed to wakeup in
> 500us
> Jan 10 21:42:55 401a0bf1 kernel: [47661.284277] ath: Failed to wakeup in
> 500us
> Jan 10 21:42:55 401a0bf1 kernel: [47661.349214] ath: Failed to stop TX DMA,
> queues=0x10f!
> Jan 10 21:42:55 401a0bf1 kernel: [47661.362013] ath: DMA failed to stop in
> 10 ms AR_CR=0xffffffff AR_DIAG_SW=0xffffffff DMADBG_7=0xffffffff
> Jan 10 21:42:55 401a0bf1 kernel: [47661.362016] ath: Could not stop RX, we
> could be confusing the DMA engine when we start RX up
> Jan 10 21:42:55 401a0bf1 kernel: [47661.604443] ath: Failed to wakeup in
> 500us
> Jan 10 21:42:55 401a0bf1 kernel: [47661.670201] ath: Failed to stop TX DMA,
> queues=0x10f!
> Jan 10 21:42:55 401a0bf1 kernel: [47661.683148] ath: DMA failed to stop in
> 10 ms AR_CR=0xffffffff AR_DIAG_SW=0xffffffff DMADBG_7=0xffffffff
> Jan 10 21:42:55 401a0bf1 kernel: [47661.683152] ath: Could not stop RX, we
> could be confusing the DMA engine when we start RX up
> Jan 10 21:42:55 401a0bf1 kernel: [47661.799038] ath: Chip reset failed
> Jan 10 21:42:55 401a0bf1 kernel: [47661.799043] ath: Unable to reset channel
> (2462 MHz), reset status -22
> Jan 10 21:42:56 401a0bf1 kernel: [47662.373472] ath: Failed to wakeup in
> 500us
> Jan 10 21:42:56 401a0bf1 kernel: [47662.489762] ath: Chip reset failed
> Jan 10 21:42:56 401a0bf1 kernel: [47662.489769] ath: Unable to reset
> hardware; reset status -22 (freq 2462 MHz)
> Jan 10 21:42:59 401a0bf1 kernel: [47665.685279] ath: Failed to wakeup in
> 500us
> Jan 10 21:43:04 401a0bf1 kernel: [47670.688494] ath: Failed to wakeup in
> 500us
> Jan 10 21:43:09 401a0bf1 kernel: [47675.675943] ath: Failed to wakeup in
> 500us
> Jan 10 21:43:14 401a0bf1 kernel: [47680.663071] ath: Failed to wakeup in
> 500us
> Jan 10 21:43:19 401a0bf1 kernel: [47685.666297] ath: Failed to wakeup in
> 500us
> Jan 10 21:43:24 401a0bf1 kernel: [47690.669649] ath: Failed to wakeup in
> 500us
> Jan 10 21:43:25 401a0bf1 kernel: [47691.020335] ath: Failed to wakeup in
> 500us
> Jan 10 21:43:25 401a0bf1 kernel: [47691.135856] ath: Chip reset failed
> Jan 10 21:43:25 401a0bf1 kernel: [47691.135861] ath: Unable to reset
> hardware; reset status -22 (freq 2462 MHz)
> Jan 10 21:43:29 401a0bf1 kernel: [47695.656864] ath: Failed to wakeup in
> 500us
>
>
>
> Jan 10 21:44:01 401a0bf1 kernel: [47727.484465] ath9k: Driver unloaded
> Jan 10 21:44:04 401a0bf1 kernel: [47729.913403] ath9k 0000:03:00.0: enabling
> device (0000 -> 0002)
> Jan 10 21:44:04 401a0bf1 kernel: [47729.913414] ath9k 0000:03:00.0: PCI INT
> A -> GSI 17 (level, low) -> IRQ 17
> Jan 10 21:44:04 401a0bf1 kernel: [47729.913427] ath9k 0000:03:00.0: setting
> latency timer to 64
> Jan 10 21:44:04 401a0bf1 kernel: [47730.028960] ath: Couldn't reset chip
> Jan 10 21:44:04 401a0bf1 kernel: [47730.028963] ath: Unable to initialize
> hardware; initialization status: -5
> Jan 10 21:44:04 401a0bf1 kernel: [47730.028968] ath9k 0000:03:00.0: Failed
> to initialize device
> Jan 10 21:44:04 401a0bf1 kernel: [47730.029010] ath9k 0000:03:00.0: PCI INT
> A disabled
> Jan 10 21:44:04 401a0bf1 kernel: [47730.029033] ath9k: probe of 0000:03:00.0
> failed with error -5
>
>
>
> 03:00.0 Network controller: Atheros Communications Inc. AR9285 Wireless
> Network Adapter (PCI-Express) (rev 01)
>        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-
>        Interrupt: pin A routed to IRQ 17
>        Region 0: Memory at d7400000 (64-bit, non-prefetchable) [size=64K]
>        Capabilities: [40] Power Management version 3
>                Flags: PMEClk- DSI- D1+ D2- AuxCurrent=375mA PME(D0+,D1+,D2-
> ,D3hot+,D3cold-)
>                Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME-
>        Capabilities: [50] MSI: Enable- Count=1/1 Maskable- 64bit-
>                Address: 00000000  Data: 0000
>        Capabilities: [60] Express (v2) Legacy Endpoint, MSI 00
>                DevCap: MaxPayload 128 bytes, PhantFunc 0, Latency L0s
> <128ns, L1 <2us
>                        ExtTag- AttnBtn- AttnInd- PwrInd- RBE+ FLReset-
>                DevCtl: Report errors: Correctable- Non-Fatal- Fatal-
> Unsupported-
>                        RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop-
>                        MaxPayload 128 bytes, MaxReadReq 512 bytes
>                DevSta: CorrErr+ UncorrErr+ FatalErr- UnsuppReq+ AuxPwr-
> TransPend-
>                LnkCap: Port #0, Speed 2.5GT/s, Width x1, ASPM L0s L1,
> Latency L0 <512ns, L1 <64us
>                        ClockPM- Surprise- LLActRep- BwNot-
>                LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- Retrain-
> CommClk-
>                        ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
>                LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk+
> DLActive- BWMgmt- ABWMgmt-
>                DevCap2: Completion Timeout: Not Supported, TimeoutDis+
>                DevCtl2: Completion Timeout: 50us to 50ms, TimeoutDis-
>                LnkCtl2: Target Link Speed: 2.5GT/s, EnterCompliance-
> SpeedDis-, Selectable De-emphasis: -6dB
>                         Transmit Margin: Normal Operating Range,
> EnterModifiedCompliance- ComplianceSOS-
>                         Compliance De-emphasis: -6dB
>                LnkSta2: Current De-emphasis Level: -6dB
>        Capabilities: [100 v1] Advanced Error Reporting
>                UESta:  DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt-
> RxOF- MalfTLP- ECRC- UnsupReq+ ACSViol-
>                UEMsk:  DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt-
> RxOF- MalfTLP- ECRC- UnsupReq- ACSViol-
>                UESvrt: DLP+ SDES+ TLP- FCP+ CmpltTO- CmpltAbrt- UnxCmplt-
> RxOF+ MalfTLP+ ECRC- UnsupReq- ACSViol-
>                CESta:  RxErr- BadTLP- BadDLLP- Rollover- Timeout-
> NonFatalErr+
>                CEMsk:  RxErr- BadTLP- BadDLLP- Rollover- Timeout-
> NonFatalErr+
>                AERCap: First Error Pointer: 14, GenCap+ CGenEn- ChkCap+
> ChkEn-
>        Capabilities: [140 v1] Virtual Channel
>                Caps:   LPEVC=0 RefClk=100ns PATEntryBits=1
>                Arb:    Fixed- WRR32- WRR64- WRR128-
>                Ctrl:   ArbSelect=Fixed
>                Status: InProgress-
>                VC0:    Caps:   PATOffset=00 MaxTimeSlots=1 RejSnoopTrans-
>                        Arb:    Fixed- WRR32- WRR64- WRR128- TWRR128-
> WRR256-
>                        Ctrl:   Enable+ ID=0 ArbSelect=Fixed TC/VC=ff
>                        Status: NegoPending- InProgress-
>        Capabilities: [160 v1] Device Serial Number 00-00-00-00-00-00-00-00
>        Capabilities: [170 v1] Power Budgeting <?>
>
>
>



-- 
shafi
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