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Re: iwlwifi no authentication with AP - Re: pull request: wireless-next 2014-09-08

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On Tue, Sep 9, 2014 at 10:46 PM, Oliver Hartkopp <socketcan@xxxxxxxxxxxx> wrote:
> Hello John, all,
>
> on my i7 Laptop with iwlwifi the latest net-next does not connect to my access point:

Are you sure this wasn't the case before?
Can you bisect?

>
> [   10.305284] iwlwifi 0000:02:00.0: L1 Enabled; Disabling L0S
> [   10.312179] iwlwifi 0000:02:00.0: Radio type=0x1-0x3-0x1
> [   10.524936] iwlwifi 0000:02:00.0: L1 Enabled; Disabling L0S
> [   10.531762] iwlwifi 0000:02:00.0: Radio type=0x1-0x3-0x1
> [   10.614189] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
> [   17.097238] wlan0: authenticate with 84:c9:b2:d5:87:80
> [   17.130120] wlan0: send auth to 84:c9:b2:d5:87:80 (try 1/3)
> [   17.922281] wlan0: send auth to 84:c9:b2:d5:87:80 (try 2/3)
> [   18.935272] wlan0: send auth to 84:c9:b2:d5:87:80 (try 3/3)
> [   19.936236] wlan0: authentication with 84:c9:b2:d5:87:80 timed out
> [   21.962337] iwlwifi 0000:02:00.0: fail to flush all tx fifo queues Q 0
> [   21.962348] iwlwifi 0000:02:00.0: Current SW read_ptr 0 write_ptr 3
> [   21.962413] iwl data: 00000000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
> [   21.962455] iwlwifi 0000:02:00.0: FH TRBs(0) = 0x00000000
> [   21.962491] iwlwifi 0000:02:00.0: FH TRBs(1) = 0x00000000
> [   21.962528] iwlwifi 0000:02:00.0: FH TRBs(2) = 0x00000000
> [   21.962564] iwlwifi 0000:02:00.0: FH TRBs(3) = 0x00000000
> [   21.962600] iwlwifi 0000:02:00.0: FH TRBs(4) = 0x00000000
> [   21.962636] iwlwifi 0000:02:00.0: FH TRBs(5) = 0x00000000
> [   21.962673] iwlwifi 0000:02:00.0: FH TRBs(6) = 0x00000000
> [   21.962709] iwlwifi 0000:02:00.0: FH TRBs(7) = 0x0070402f
> [   21.962790] iwlwifi 0000:02:00.0: Q 0 is active and mapped to fifo 3 ra_tid 0x0000 [0,3]
> [   21.962869] iwlwifi 0000:02:00.0: Q 1 is active and mapped to fifo 2 ra_tid 0x0000 [0,0]
> [   21.962949] iwlwifi 0000:02:00.0: Q 2 is active and mapped to fifo 1 ra_tid 0x0000 [0,0]
> [   21.963030] iwlwifi 0000:02:00.0: Q 3 is active and mapped to fifo 0 ra_tid 0x0000 [0,0]
> [   21.963109] iwlwifi 0000:02:00.0: Q 4 is active and mapped to fifo 7 ra_tid 0x0000 [48,48]
> [   21.963189] iwlwifi 0000:02:00.0: Q 5 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
> [   21.963270] iwlwifi 0000:02:00.0: Q 6 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
> [   21.963350] iwlwifi 0000:02:00.0: Q 7 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
> [   21.963428] iwlwifi 0000:02:00.0: Q 8 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
> [   21.963508] iwlwifi 0000:02:00.0: Q 9 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
> [   21.963588] iwlwifi 0000:02:00.0: Q 10 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
> [   21.963669] iwlwifi 0000:02:00.0: Q 11 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
> [   21.963750] iwlwifi 0000:02:00.0: Q 12 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
> [   21.963829] iwlwifi 0000:02:00.0: Q 13 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
> [   21.963909] iwlwifi 0000:02:00.0: Q 14 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
> [   21.963988] iwlwifi 0000:02:00.0: Q 15 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
> [   21.964069] iwlwifi 0000:02:00.0: Q 16 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
> [   21.964149] iwlwifi 0000:02:00.0: Q 17 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
> [   21.964228] iwlwifi 0000:02:00.0: Q 18 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
> [   21.964308] iwlwifi 0000:02:00.0: Q 19 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
> [   22.116816] wlan0: authenticate with xx:xx:xx:xx:xx:xx
> [   22.155887] wlan0: send auth to xx:xx:xx:xx:xx:xx (try 1/3)
>
> (..)
>
> and again and again ...
>
> Mainly this is the changing stuff in the following dmesg output:
>
> [   21.962348] iwlwifi 0000:02:00.0: Current SW read_ptr 0 write_ptr 3
> [   26.951325] iwlwifi 0000:02:00.0: Current SW read_ptr 0 write_ptr 6
> [   34.979316] iwlwifi 0000:02:00.0: Current SW read_ptr 0 write_ptr 9
> [   39.964287] iwlwifi 0000:02:00.0: Current SW read_ptr 0 write_ptr 12
> [   47.984243] iwlwifi 0000:02:00.0: Current SW read_ptr 0 write_ptr 15
> [   55.984240] iwlwifi 0000:02:00.0: Current SW read_ptr 0 write_ptr 18
> [   60.981221] iwlwifi 0000:02:00.0: Current SW read_ptr 0 write_ptr 21
> [   73.878064] iwlwifi 0000:02:00.0: Current SW read_ptr 0 write_ptr 24
> [   86.342476] iwlwifi 0000:02:00.0: Current SW read_ptr 0 write_ptr 27
> [   98.770854] iwlwifi 0000:02:00.0: Current SW read_ptr 0 write_ptr 30
> [  111.287320] iwlwifi 0000:02:00.0: Current SW read_ptr 0 write_ptr 33
> [  121.045034] iwlwifi 0000:02:00.0: Current SW read_ptr 0 write_ptr 36
>
> 02:00.0 Network controller: Intel Corporation Centrino Advanced-N 6200 (rev 35)
>
> Any idea?
>
> Regards,
> Oliver
>
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