ath10k + iw set bitrates is causing FW crash

[Krishna Chaitanya]

On Thu, Jul 7, 2016 at 10:19 PM, Krishna Chaitanya
<chaitanya.mgit at gmail.com> wrote:
> Hi,
>
> I am using ath10k driver with qca988x hw2.0 and trying to limit it to use
> VHT MCS0-7 (iw set bitrates vht-mcs-5 2:0-7).
>
> But the command it causing a FW crash, if it disable HW_HAS_RATE_CONTROL
> no crash is observed but it still uses MCS9.
>
> tree: wireless-drivers-next: commit#535633a5ba4ea2504fa6c33176633becf0e59339
>
> 1) If i disable HW_RATE_CONTROL, will ath10k honor
> the mac80211 rates?
>
> 2) Please find below the dmesg after the crash.
>
> [ 3879.419737] ath10k_pci 0000:01:00.0: device successfully recovered
> [ 3941.919995] wlan0: deauthenticating from 74:d0:2b:41:e4:b4 by local
> choice (Reason: 3=DEAUTH_LEAVING)
> [ 3953.665725] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
> [ 3955.768675] wlan0: authenticate with 74:d0:2b:41:e4:b4
> [ 3955.768688] ieee80211_determine_chantype:306 enter..: cwid:3 vht_cwid:3
> [ 3955.776460] wlan0: send auth to 74:d0:2b:41:e4:b4 (try 1/3)
> [ 3955.777014] wlan0: authenticated
> [ 3955.781060] wlan0: associate with 74:d0:2b:41:e4:b4 (try 1/3)
> [ 3955.782124] wlan0: RX AssocResp from 74:d0:2b:41:e4:b4 (capab=0x11
> status=0 aid=2)
> [ 3955.783147] wlan0: associated
> [ 3955.783213] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
> [ 3959.053601] wlan0: deauthenticating from 74:d0:2b:41:e4:b4 by local
> choice (Reason: 3=DEAUTH_LEAVING)
> [ 3964.025669] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
> [ 3967.104520] wlan0: authenticate with 74:d0:2b:41:e4:b4
> [ 3967.104533] ieee80211_determine_chantype:306 enter..: cwid:3 vht_cwid:3
> [ 3967.112366] wlan0: send auth to 74:d0:2b:41:e4:b4 (try 1/3)
> [ 3967.112905] wlan0: authenticated
> [ 3967.113166] wlan0: associate with 74:d0:2b:41:e4:b4 (try 1/3)
> [ 3967.114248] wlan0: RX AssocResp from 74:d0:2b:41:e4:b4 (capab=0x11
> status=0 aid=2)
> [ 3967.115327] wlan0: associated
> [ 3967.115357] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
> [ 3976.110218] ath10k_pci 0000:01:00.0: firmware crashed! (uuid
> bfab5915-ae19-40b1-be67-544d909779ab)
> [ 3976.110226] ath10k_pci 0000:01:00.0: qca988x hw2.0 target
> 0x4100016c chip_id 0x043222ff sub 0000:0000
> [ 3976.110228] ath10k_pci 0000:01:00.0: kconfig debug 1 debugfs 1
> tracing 1 dfs 0 testmode 0
> [ 3976.110467] ath10k_pci 0000:01:00.0: firmware ver 10.2.4.70.9-2 api
> 5 features no-p2p,raw-mode crc32 b8d50af5
> [ 3976.110472] ath10k_pci 0000:01:00.0: board_file api 1 bmi_id N/A
> crc32 bebc7c08
> [ 3976.110475] ath10k_pci 0000:01:00.0: htt-ver 2.1 wmi-op 5 htt-op 2
> cal otp max-sta 128 raw 0 hwcrypto 1
> [ 3976.112483] ath10k_pci 0000:01:00.0: firmware register dump:
> [ 3976.112485] ath10k_pci 0000:01:00.0: [00]: 0x4100016C 0x000015B3
> 0x009BF931 0x00955B31
> [ 3976.112487] ath10k_pci 0000:01:00.0: [04]: 0x009BF931 0x00060530
> 0x00000010 0xFFFFFFFF
> [ 3976.112490] ath10k_pci 0000:01:00.0: [08]: 0x0044D9B8 0x0000C001
> 0x00000000 0x00000005
> [ 3976.112492] ath10k_pci 0000:01:00.0: [12]: 0x00000009 0x00000000
> 0x00957F04 0x00957F12
> [ 3976.112494] ath10k_pci 0000:01:00.0: [16]: 0x00958080 0x0094085D
> 0x00000000 0x00000000
> [ 3976.112496] ath10k_pci 0000:01:00.0: [20]: 0x409BF931 0x0040AA44
> 0x00420854 0x00440198
> [ 3976.112498] ath10k_pci 0000:01:00.0: [24]: 0x809BF9A1 0x0040AAA4
> 0x00789518 0xC09BF931
> [ 3976.112500] ath10k_pci 0000:01:00.0: [28]: 0x809B837F 0x0040AAC4
> 0x0044D9B8 0x000005DC
> [ 3976.112502] ath10k_pci 0000:01:00.0: [32]: 0x809B8555 0x0040AAE4
> 0x0044D9A0 0x00000100
> [ 3976.112504] ath10k_pci 0000:01:00.0: [36]: 0x809A0DF5 0x0040AB04
> 0x0043EAA8 0x0040AD14
> [ 3976.112506] ath10k_pci 0000:01:00.0: [40]: 0x809896F9 0x0040AB24
> 0x0043EAA8 0x0040AD14
> [ 3976.112508] ath10k_pci 0000:01:00.0: [44]: 0x809B5ACC 0x0040AB44
> 0x009C575C 0x0043EAA8
> [ 3976.112510] ath10k_pci 0000:01:00.0: [48]: 0x809B1C74 0x0040ADA4
> 0x00400000 0x00416DEC
> [ 3976.112512] ath10k_pci 0000:01:00.0: [52]: 0x809BFB39 0x0040ADE4
> 0x0040AE08 0x00411F80
> [ 3976.112514] ath10k_pci 0000:01:00.0: [56]: 0x809486FA 0x0040AE04
> 0x00000001 0x00000000
> [ 3976.195917] ieee80211 phy0: Hardware restart was requested
> [ 3977.561878] ath10k_pci 0000:01:00.0: device successfully recovered
> [ 8494.632109] ath10k_pci 0000:01:00.0: firmware crashed! (uuid
> 5b6f2fe0-1a2c-4485-a7d5-64705ca051a2)
> [ 8494.632116] ath10k_pci 0000:01:00.0: qca988x hw2.0 target
> 0x4100016c chip_id 0x043222ff sub 0000:0000
> [ 8494.632119] ath10k_pci 0000:01:00.0: kconfig debug 1 debugfs 1
> tracing 1 dfs 0 testmode 0
> [ 8494.632357] ath10k_pci 0000:01:00.0: firmware ver 10.2.4.70.9-2 api
> 5 features no-p2p,raw-mode crc32 b8d50af5
> [ 8494.632362] ath10k_pci 0000:01:00.0: board_file api 1 bmi_id N/A
> crc32 bebc7c08
> [ 8494.632364] ath10k_pci 0000:01:00.0: htt-ver 2.1 wmi-op 5 htt-op 2
> cal otp max-sta 128 raw 0 hwcrypto 1
> [ 8494.634373] ath10k_pci 0000:01:00.0: firmware register dump:
> [ 8494.634376] ath10k_pci 0000:01:00.0: [00]: 0x4100016C 0x000015B3
> 0x009BF931 0x00955B31
> [ 8494.634378] ath10k_pci 0000:01:00.0: [04]: 0x009BF931 0x00060530
> 0x00000010 0xFFFFFFFF
> [ 8494.634380] ath10k_pci 0000:01:00.0: [08]: 0x0044D9B8 0x0000C001
> 0x00000000 0x00000005
> [ 8494.634382] ath10k_pci 0000:01:00.0: [12]: 0x00000009 0x00000000
> 0x00957F04 0x00957F12
> [ 8494.634384] ath10k_pci 0000:01:00.0: [16]: 0x00958080 0x0094085D
> 0x00000000 0x00000000
> [ 8494.634386] ath10k_pci 0000:01:00.0: [20]: 0x409BF931 0x0040AA44
> 0x00420854 0x00440198
> [ 8494.634388] ath10k_pci 0000:01:00.0: [24]: 0x809BF9A1 0x0040AAA4
> 0x00789518 0xC09BF931
> [ 8494.634390] ath10k_pci 0000:01:00.0: [28]: 0x809B837F 0x0040AAC4
> 0x0044D9B8 0x000005DC
> [ 8494.634392] ath10k_pci 0000:01:00.0: [32]: 0x809B8555 0x0040AAE4
> 0x0044D9A0 0x00000100
> [ 8494.634394] ath10k_pci 0000:01:00.0: [36]: 0x809A0DF5 0x0040AB04
> 0x0043EAA8 0x0040AD14
> [ 8494.634396] ath10k_pci 0000:01:00.0: [40]: 0x809896F9 0x0040AB24
> 0x0043EAA8 0x0040AD14
> [ 8494.634398] ath10k_pci 0000:01:00.0: [44]: 0x809B5ACC 0x0040AB44
> 0x009C575C 0x0043EAA8
> [ 8494.634400] ath10k_pci 0000:01:00.0: [48]: 0x809B1C74 0x0040ADA4
> 0x00400000 0x00416E0C
> [ 8494.634402] ath10k_pci 0000:01:00.0: [52]: 0x809BFB39 0x0040ADE4
> 0x0040AE08 0x00411F80
> [ 8494.634404] ath10k_pci 0000:01:00.0: [56]: 0x809486FA 0x0040AE04
> 0x00000001 0x00000000
> [ 8494.724659] ieee80211 phy0: Hardware restart was requested
> [ 8496.090883] ath10k_pci 0000:01:00.0: device successfully recovered
>
>
+ath10k list.
I am using latest firmware-5.bin from linux-firmware.git.

Also i see below messages during fw loading:

ath10k_pci 0000:01:00.0: pci irq msi oper_irq_mode 2 irq_mode 0 reset_mode 0
ath10k/pre-cal-pci-0000:01:00.0.bin failed with error -2
ath10k/cal-pci-0000:01:00.0.bin failed with error -2
ath10k_pci 0000:01:00.0: qca988x hw2.0 target 0x4100016c chip_id
0x043222ff sub 0000:0000
ath10k_pci 0000:01:00.0: kconfig debug 1 debugfs 1 tracing 1 dfs 0 testmode 0
ath10k_pci 0000:01:00.0: firmware ver 10.2.4.70.9-2 api 5 features
no-p2p,raw-mode crc32 b8d50af5
ath10k/QCA988X/hw2.0/board-2.bin failed with error -2
ath10k_pci 0000:01:00.0: board_file api 1 bmi_id N/A crc32 bebc7c08
ath10k_pci 0000:01:00.0: htt-ver 2.1 wmi-op 5 htt-op 2 cal otp max-sta
128 raw 0 hwcrypto 1