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    SubjectBUG - ath9k keep on disconnecting in 2.6.28-rc8-tip
    Hello all,

    I also tested with 2.6.28-rc8-tip also have ath9k disconnecting problem.

    This seems to be more useful to debug the problem :

    dmesg :
    [ 7.823228] ath9k: 0.1
    [ 7.823289] vendor=1022 device=9605
    [ 7.823289] ath9k 0000:08:00.0: PCI INT A -> GSI 17 (level, low) -> IRQ 17
    [ 7.823289] ath9k 0000:08:00.0: setting latency timer to 64
    ..
    [ 8.272013] phy0: Selected rate control algorithm 'ath9k_rate_control'
    [ 8.273900] Registered led device: ath9k-phy0:radio
    [ 8.273940] Registered led device: ath9k-phy0:assoc
    [ 8.273974] Registered led device: ath9k-phy0:tx
    [ 8.274012] Registered led device: ath9k-phy0:rx
    ..
    [ 230.478536] ForceXPAon: 0
    [ 230.549160] ForceXPAon: 0
    [ 230.620332] ForceXPAon: 0
    [ 230.626153] wlan0: authenticate with AP 00:11:95:9e:df:f6
    [ 230.627662] wlan0: authenticated
    [ 230.627686] wlan0: associate with AP 00:11:95:9e:df:f6
    [ 230.649736] wlan0: RX AssocResp from 00:11:95:9e:df:f6 (capab=0x471
    status=0 aid=1)
    [ 230.649757] wlan0: associated
    [ 230.660043] ForceXPAon: 0
    [ 230.684015] ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
    [ 240.875098] wlan0: no IPv6 routers present
    ..
    [ 515.696289] ForceXPAon: 0
    [ 515.767289] ForceXPAon: 0
    [ 515.838264] ForceXPAon: 0
    [ 515.909289] ForceXPAon: 0
    [ 515.980224] ForceXPAon: 0
    [ 516.051155] ForceXPAon: 0
    [ 516.123144] ForceXPAon: 0
    [ 516.194270] ForceXPAon: 0
    [ 516.265157] ForceXPAon: 0
    [ 516.337423] ForceXPAon: 0
    [ 614.483083] wlan0: No ProbeResp from current AP 00:11:95:9e:df:f6 -
    assume out of range
    [ 614.624223] ForceXPAon: 0
    [ 614.888494] ForceXPAon: 0
    [ 615.087193] ForceXPAon: 0
    [ 615.357035] ForceXPAon: 0
    [ 615.428348] ForceXPAon: 0
    ..
    [ 616.138293] ForceXPAon: 0
    [ 616.209130] ForceXPAon: 0
    [ 616.280380] ForceXPAon: 0
    [ 616.284050] wlan0: authenticate with AP 00:11:95:9e:df:f6
    [ 616.285429] wlan0: authenticated
    [ 616.285453] wlan0: associate with AP 00:11:95:9e:df:f6
    [ 616.302631] wlan0: RX ReassocResp from 00:11:95:9e:df:f6
    (capab=0x471 status=0 aid=1)
    [ 616.302652] wlan0: associated
    [ 616.313046] ForceXPAon: 0
    [ 633.435220] ForceXPAon: 0
    ..
    [ 995.686461] ForceXPAon: 0
    [ 1009.687679] wlan0: No ProbeResp from current AP 00:11:95:9e:df:f6 -
    assume out of range
    [ 1009.830299] ForceXPAon: 0
    [ 1010.093330] ForceXPAon: 0
    [ 1010.292264] ForceXPAon: 0
    ..
    [ 1011.341277] ForceXPAon: 0
    [ 1011.412116] ForceXPAon: 0
    [ 1011.483325] ForceXPAon: 0
    [ 1011.489343] wlan0: authenticate with AP 00:11:95:9e:df:f6
    [ 1011.490862] wlan0: authenticated
    [ 1011.490886] wlan0: associate with AP 00:11:95:9e:df:f6
    [ 1011.504588] wlan0: RX ReassocResp from 00:11:95:9e:df:f6
    (capab=0x471 status=0 aid=1)
    [ 1011.504609] wlan0: associated
    [ 1011.515043] ForceXPAon: 0
    ..
    [ 1174.552258] ForceXPAon: 0
    [ 1174.623299] ForceXPAon: 0
    [ 1174.694583] ForceXPAon: 0
    [ 1174.698288] wlan0: authenticate with AP 00:11:95:9e:df:f6
    [ 1174.699682] wlan0: authenticated
    [ 1174.699688] wlan0: associate with AP 00:11:95:9e:df:f6
    [ 1174.715849] wlan0: RX ReassocResp from 00:11:95:9e:df:f6
    (capab=0x471 status=0 aid=1)
    [ 1174.715854] wlan0: associated
    [ 1174.726289] ForceXPAon: 0
    [ 1188.726172] wlan0: No ProbeResp from current AP 00:11:95:9e:df:f6 -
    assume out of range
    [ 1188.867281] ForceXPAon: 0
    [ 1189.128292] ForceXPAon: 0
    [ 1189.326291] ForceXPAon: 0
    [ 1189.589292] ForceXPAon: 0
    [ 1189.661285] ForceXPAon: 0
    [ 1189.732414] ForceXPAon: 0
    [ 1189.803263] ForceXPAon: 0
    [ 1189.874291] ForceXPAon: 0
    [ 1189.945258] ForceXPAon: 0
    [ 1190.016292] ForceXPAon: 0
    [ 1190.087258] ForceXPAon: 0
    [ 1190.158292] ForceXPAon: 0
    [ 1190.229292] ForceXPAon: 0
    [ 1190.300292] ForceXPAon: 0
    [ 1190.371293] ForceXPAon: 0
    [ 1190.442292] ForceXPAon: 0
    [ 1190.513753] ForceXPAon: 0
    [ 1190.518198] wlan0: authenticate with AP 00:11:95:9e:df:f6
    [ 1190.525032] ForceXPAon: 0
    [ 1190.529337] wlan0: authenticate with AP 00:11:95:9e:df:f6
    [ 1190.729110] wlan0: authenticate with AP 00:11:95:9e:df:f6
    [ 1190.929264] wlan0: authenticate with AP 00:11:95:9e:df:f6
    [ 1191.129109] wlan0: authentication with AP 00:11:95:9e:df:f6 timed out
    [ 1204.184769] ForceXPAon: 0
    [ 1204.196292] ForceXPAon: 0
    [ 1204.459395] ForceXPAon: 0



    /sbin/lspci -vv :
    08:00.0 Network controller: Atheros Communications Inc. Device 002a (rev 01)
    Subsystem: Hewlett-Packard Company Device 1381
    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: 128 bytes
    Interrupt: pin A routed to IRQ 17
    Region 0: Memory at d1100000 (64-bit, non-prefetchable) [size=64K]
    Capabilities: [40] Power Management version 2
    Flags: PMEClk- DSI- D1+ D2- AuxCurrent=375mA PME(D0+,D1+,D2-,D3hot+,D3cold-)
    Status: D0 PME-Enable- DSel=0 DScale=0 PME-
    Capabilities: [50] Message Signalled Interrupts: Mask- 64bit- Count=1/1 Enable-
    Address: 00000000 Data: 0000
    Capabilities: [60] Express (v1) Legacy Endpoint, MSI 00
    DevCap: MaxPayload 128 bytes, PhantFunc 0, Latency L0s <512ns, L1 <64us
    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 unknown, Latency L0
    <512ns, L1 <64us
    ClockPM- Suprise- LLActRep- BwNot-
    LnkCtl: ASPM Disabled; RCB 128 bytes Disabled- Retrain- CommClk+
    ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
    LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk+ DLActive-
    BWMgmt- ABWMgmt-
    Capabilities: [90] MSI-X: Enable- Mask- TabSize=1
    Vector table: BAR=0 offset=00000000
    PBA: BAR=0 offset=00000000
    Capabilities: [100] Advanced Error Reporting
    UESta: DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- RxOF-
    MalfTLP- ECRC- UnsupReq+ ACSVoil-
    UEMsk: DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- RxOF-
    MalfTLP- ECRC- UnsupReq- ACSVoil-
    UESvrt: DLP+ SDES- TLP- FCP+ CmpltTO- CmpltAbrt- UnxCmplt- RxOF+
    MalfTLP+ ECRC- UnsupReq- ACSVoil-
    CESta: RxErr- BadTLP- BadDLLP- Rollover- Timeout- NonFatalErr-
    CESta: RxErr- BadTLP- BadDLLP- Rollover- Timeout- NonFatalErr-
    AERCap: First Error Pointer: 14, GenCap+ CGenEn- ChkCap+ ChkEn-
    Capabilities: [140] Virtual Channel <?>
    Capabilities: [160] Device Serial Number 00-00-00-00-00-00-00-00
    Kernel driver in use: ath9k
    Kernel modules: ath9k

    If you need more information, Please let me know.

    Thank you,

    Jaswinder Singh.


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