Re: RE : RE ath10k: set channel by command "iw" not from hostapd and DFS support of firmware-2.bin_10.1.467.2-1

[Janusz Dziedzic <janusz.dziedzic@tieto.com>]

On 19 May 2014 11:39, Vu Hai NGUYEN <vh.nguyen@actiasodielec.fr> wrote:
>>> ath10k: failed to initialise DFS pattern detector
>>> cfg80211: Calling CRDA for country: FR
>>> cfg80211: Regulatory domain changed to country: FR
>>> cfg80211:  DFS Master region: ETSI
>>> cfg80211:   (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp), (
>>> dfs_cac_time)
>>> cfg80211:   (2402000 KHz - 2482000 KHz @ 40000 KHz), (N/A, 2000 mBm), (N/A)
>>> cfg80211:   (5170000 KHz - 5250000 KHz @ 80000 KHz), (N/A, 2000 mBm), (N/A)
>>> cfg80211:   (5250000 KHz - 5330000 KHz @ 80000 KHz), (N/A, 2000 mBm), (0 s)
>>>cfg80211:   (5490000 KHz - 5710000 KHz @ 80000 KHz), (N/A, 2700 mBm), (0 s)
>>> cfg80211:   (57240000 KHz - 65880000 KHz @ 2160000 KHz), (N/A, 4000 mBm), (N/A)
>
>>Yes, ath.ko is compiled without CERTIFICATION_ONUS flag;
>>(probably file compiled but always return NULL during pattern detector init).
>
> Thanks, my mistake cause I replace the folder ath in backports with the one from master branch and I didn't change all of CONFIG_... to CPTCFG, now I got:
>
> ath: country maps to regdmn code: 0x37
> ath: Country alpha2 being used: FR
> ath: Regpair used: 0x37
> ath10k: dfs region 0x0
> cfg80211: Calling CRDA for country: FR
> ath10k: dfs region 0x2
> cfg80211: Regulatory domain changed to country: FR
> cfg80211:  DFS Master region: ETSI
> cfg80211:   (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp), )
> cfg80211:   (2402000 KHz - 2482000 KHz @ 40000 KHz), (N/A, 2000 mBm), (N/A)
> cfg80211:   (5170000 KHz - 5250000 KHz @ 80000 KHz), (N/A, 2000 mBm), (N/A)
> cfg80211:   (5250000 KHz - 5330000 KHz @ 80000 KHz), (N/A, 2000 mBm), (0 s)
> cfg80211:   (5490000 KHz - 5710000 KHz @ 80000 KHz), (N/A, 2700 mBm), (0 s)
> cfg80211:   (57240000 KHz - 65880000 KHz @ 2160000 KHz), (N/A, 4000 mBm), (N/A)
>
> And another different backtrace than before:
>
> ------------[ cut here ]------------
> WARNING: at /home/alberix2/Desktop/Wilinks_ath10k/ACCESS_POINT_APPLI/Source/Dri)
> Modules linked in: ath10k_pci(O) ath10k_core(O) ath(O) mac80211(O) cfg80211(O) ]
> Backtrace:
> [<c0011938>] (dump_backtrace+0x0/0x118) from [<c050205c>] (dump_stack+0x18/0x20)
>  r6:bf209143 r5:000016c0 r4:00000000 r3:c10bc7ac
> [<c0502044>] (dump_stack+0x0/0x20) from [<c0066c38>] (warn_slowpath_common+0x54)
> [<c0066be4>] (warn_slowpath_common+0x0/0x70) from [<c0066c78>] (warn_slowpath_n)
>  r8:00000000 r7:00000000 r6:d2ef3000 r5:d27fc000 r4:d2ef33c8
> r3:00000009
> [<c0066c54>] (warn_slowpath_null+0x0/0x2c) from [<bf1ccadc>] (nl80211_start_rad)
> [<bf1cc9e4>] (nl80211_start_radar_detection+0x0/0x16c [cfg80211]) from [<c04534)
> [<c04532d4>] (genl_rcv_msg+0x0/0x1f4) from [<c0452904>] (netlink_rcv_skb+0x58/0)
> [<c04528ac>] (netlink_rcv_skb+0x0/0xb8) from [<c04532c4>] (genl_rcv+0x20/0x30)
>  r6:c09a2400 r5:d2a52ca0 r4:d2a52ca0 r3:c04532a4
> [<c04532a4>] (genl_rcv+0x0/0x30) from [<c04522d0>] (netlink_unicast+0x224/0x2c4)
>  r4:d0074400 r3:c04532a4
> [<c04520ac>] (netlink_unicast+0x0/0x2c4) from [<c04526a4>] (netlink_sendmsg+0x2)
> [<c0452414>] (netlink_sendmsg+0x0/0x320) from [<c0428eac>] (sock_sendmsg+0x98/0)
> [<c0428e14>] (sock_sendmsg+0x0/0xb4) from [<c0429150>] (__sys_sendmsg+0x1d0/0x2)
>  r4:d2887f64
> [<c0428f80>] (__sys_sendmsg+0x0/0x26c) from [<c042ab30>] (sys_sendmsg+0x44/0x68)
> [<c042aaec>] (sys_sendmsg+0x0/0x68) from [<c000ddc0>] (ret_fast_syscall+0x0/0x3)
>  r6:00134870 r5:4010d9f0 r4:00136660
> ---[ end trace 3dff84bb4058c392 ]---
>
> My station can see the wifi from ap but it can not connected to it yet. Could the backtrace
> say anything about my problem?
>
What file and line there is? Seems you cut the Warning message? If
CAC=0 then this is not a problem.

BTW, I am not sure this will work correctly if you will get "some"
backport and exchange only ath10k sources.
cfg80211/mac80211 could be incompatible with driver in such case.
Michal suggest to generate own backport form ath10k.git - this for
sure will work fine. In any other cases, while you will mix sources,
will be very hard to track your problems.

BR
Janusz

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