WL1831MOD: Intermittent Issues with BT and WiFi in the Combo chip

Hi Saurabh, Facing below issues...please help

130|root@sabresd_6dq:/ # calibrator wlan0 plt power_mode on
wlcore: power up
wl18xx_driver wl18xx.0.auto: Direct firmware load failed with error -2
wl18xx_driver wl18xx.0.auto: Falling back to user helper
wlcore: PHY firmware version: Rev 8.2.0.0.232
wlcore: firmware booted in PLT mode PLT_ON (Rev 8.9.0.0.48)

1|root@sabresd_6dq:/ # calibrator wlan0 wl18xx_plt tune_channel 1 0 0
Usage: calibrator [options] command
Options:
--debug enable netlink debugging
--version show version (0.71)
Commands:
set fem_manuf <0|1> [<nvs file>]
set autofem <0-manual|1-auto> [<nvs file>]
set upd_nvs <ini file> [<nvs file>]
set ref_nvs2 <ini file> <ini file>
set ref_nvs <ini file>
set nvs_mac <nvs file> [<mac addr>]
phy <phyname> set push_nvs <nvs filename>
get dump_nvs [<nvs file>]
get nvs_mac <nvs filename>
help
plt calibrate [<single|dual>]
plt rx_statistics
dev <devname> plt get_rx_statcs
dev <devname> plt reset_rx_statcs
dev <devname> plt stop_rx_statcs
dev <devname> plt start_rx_statcs
dev <devname> plt tx_stop
dev <devname> plt tx_cont <delay> <rate> <size> <amount> <power>
<seed> <pkt mode> <DC on/off> <gi> <preamble>
<type> <scramble> <clpc> <seq nbr mode> <dest mac>
dev <devname> plt tx_tone <power> <tone type>
dev <devname> plt tx_bip <0|1> <0|1> <0|1> <0|1> <0|1> <0|1> <0|1> <0|1> [<nvs file>]
dev <devname> plt ref_point <voltage> <power> <subband>
dev <devname> plt tune_channel <band> <channel>
dev <devname> plt power_mode <on|off>

1|root@sabresd_6dq:/ # calibrator wlan0 plt power_mode on
wlcore: power up
wlcore: ERROR cannot go into PLT state because not in off state: 2
command failed: Device or resource busy (-16)

240|root@sabresd_6dq:/ # calibrator wlan0 plt power_mode off
wlcore: power down

root@sabresd_6dq:/ # calibrator wlan0 plt power_mode on
wlcore: power up
wlcore: PHY firmware version: Rev 8.2.0.0.232
wlcore: firmware booted in PLT mode PLT_ON (Rev 8.9.0.0.48)

1|root@sabresd_6dq:/ # calibrator wlan0 wl18xx_plt tune_channel 0 1
Usage: calibrator [options] command
Options:
--debug enable netlink debugging
--version show version (0.71)
Commands:
set fem_manuf <0|1> [<nvs file>]
set autofem <0-manual|1-auto> [<nvs file>]
set upd_nvs <ini file> [<nvs file>]
set ref_nvs2 <ini file> <ini file>
set ref_nvs <ini file>
set nvs_mac <nvs file> [<mac addr>]
phy <phyname> set push_nvs <nvs filename>
get dump_nvs [<nvs file>]
get nvs_mac <nvs filename>
help
plt calibrate [<single|dual>]
plt rx_statistics
dev <devname> plt get_rx_statcs
dev <devname> plt reset_rx_statcs
dev <devname> plt stop_rx_statcs
dev <devname> plt start_rx_statcs
dev <devname> plt tx_stop
dev <devname> plt tx_cont <delay> <rate> <size> <amount> <power>
<seed> <pkt mode> <DC on/off> <gi> <preamble>
<type> <scramble> <clpc> <seq nbr mode> <dest mac>
dev <devname> plt tx_tone <power> <tone type>
dev <devname> plt tx_bip <0|1> <0|1> <0|1> <0|1> <0|1> <0|1> <0|1> <0|1> [<nvs file>]
dev <devname> plt ref_point <voltage> <power> <subband>
dev <devname> plt tune_channel <band> <channel>
dev <devname> plt power_mode <on|off>
1|root@sabresd_6dq:/ # calibrator wlan0 plt tune_channel 0 1
wlcore: ERROR command execute failure 2
------------[ cut here ]------------
WARNING: CPU: 0 PID: 2461 at /home/user/Spade_HUD_Source_code/HDU_MARSHMALLOW/hardware/ti/wlan/mac80211/compat_wl18xx/drivers/net/wireless/ti/wlcore/main.c:813 wl12xx_queue_recovery_work.part.35+0x70/0x74 [wlcore]()
Modules linked in: wlcore_sdio(O) wl18xx(O) wlcore(O) mac80211(O) cfg80211(O) compat(O)
CPU: 0 PID: 2461 Comm: calibrator Tainted: G O 3.14.52 #28
[<c0015a38>] (unwind_backtrace) from [<c0012518>] (show_stack+0x10/0x14)
[<c0012518>] (show_stack) from [<c09558f4>] (dump_stack+0x7c/0xbc)
[<c09558f4>] (dump_stack) from [<c0039ed4>] (warn_slowpath_common+0x74/0x90)
[<c0039ed4>] (warn_slowpath_common) from [<c0039f8c>] (warn_slowpath_null+0x1c/0x24)
[<c0039f8c>] (warn_slowpath_null) from [<bf17289c>] (wl12xx_queue_recovery_work.part.35+0x70/0x74 [wlcore])
[<bf17289c>] (wl12xx_queue_recovery_work.part.35 [wlcore]) from [<bf1763e0>] (wlcore_cmd_send_failsafe+0x9c/0x4e0 [wlcore])
[<bf1763e0>] (wlcore_cmd_send_failsafe [wlcore]) from [<bf176898>] (wl1271_cmd_test+0x50/0x9c [wlcore])
[<bf176898>] (wl1271_cmd_test [wlcore]) from [<bf185f74>] (wl1271_tm_cmd+0x37c/0x59c [wlcore])
[<bf185f74>] (wl1271_tm_cmd [wlcore]) from [<bf0c9600>] (ieee80211_testmode_cmd+0x3c/0x4c [mac80211])
[<bf0c9600>] (ieee80211_testmode_cmd [mac80211]) from [<bf02ad28>] (nl80211_testmode_do+0x98/0x1d0 [cfg80211])
[<bf02ad28>] (nl80211_testmode_do [cfg80211]) from [<c07fae78>] (genl_rcv_msg+0x234/0x3a8)
[<c07fae78>] (genl_rcv_msg) from [<c07fa498>] (netlink_rcv_skb+0xb4/0xd8)
[<c07fa498>] (netlink_rcv_skb) from [<c07fac34>] (genl_rcv+0x24/0x34)
[<c07fac34>] (genl_rcv) from [<c07f9dfc>] (netlink_unicast+0x150/0x1f4)
[<c07f9dfc>] (netlink_unicast) from [<c07fa20c>] (netlink_sendmsg+0x2b8/0x394)
[<c07fa20c>] (netlink_sendmsg) from [<c07aed34>] (sock_sendmsg+0xb8/0xe0)
[<c07aed34>] (sock_sendmsg) from [<c07b02b0>] (___sys_sendmsg.part.13+0x284/0x290)
[<c07b02b0>] (__sys_sendmsg.part.13) from [<c07b1430>] (_sys_sendmsg+0x4c/0x7c)
[<c07b1430>] (__sys_sendmsg) from [<c000e620>] (ret_fast_syscall+0x0/0x38)
---[ end trace 3f74ae3d27a4e4bc ]---
wlcore: WARNING TEST command failed
wlcore: WARNING testmode cmd test failed: -5
command failed: I/O error (-5)
251|root@sabresd_6dq:/ #

Hi Saurabh, 
Could you please help us here