Part Number:WL1837MOD
Tool/software: Linux
Hi,
I wanted to set the Tx power of WiFi module and so I have followed the steps in processors.wiki.ti.com/index.php/WL18xx_TX_Testing.
calibrator version is 0.76
I am getting error message and kernel crash during the steps.
zcat /proc/config.gz | grep NL80211_TESTMODE
CONFIG_NL80211_TESTMODE=y
ifconfig wlan0 down
./calibrator wlan0 plt power_mode on
wlcore: power up
wl18xx_driver wl18xx.0.auto: Direct firmware load for ti-connectivity/wl18xx-fw-4.bin failed with error -2
wl18xx_driver wl18xx.0.auto: Falling back to user helper
ueventd: firmware: loading 'ti-connectivity/wl18xx-fw-4.bin' for '/devices/soc0/soc/2100000.aips-bus/219c000.usdhc/mmc_host/mmc2/mmc2:0001/mmc2:0001:2/wl18xx.0.auto/firmware/ti-connectivity!wl18xx-fw-4.bin'
ueventd: loading /devices/soc0/soc/2100000.aips-bus/219c000.usdhc/mmc_host/mmc2/mmc2:0001/mmc2:0001:2/wl18xx.0.auto/firmware/ti-connectivity!wl18xx-fw-4.bin took 0.0413057 seconds
init: Untracked pid 1730 exited with status 0
wlcore: PHY firmware version: Rev 8.2.0.0.240
wlcore: firmware booted in PLT mode PLT_ON (Rev 8.9.0.0.76)
./calibrator wlan0 wl18xx_plt tune_channel 1 0 0
vendor/nxp-opensource/kernel_imx/drivers/net/wireless/ti/wlcore/main.c:796 wl12xx_queue_recovery_work+0x64/0x68 [wlcore]
Modules linked in: tty_hci btwilink st_drv wlcore_sdio wl18xx wlcore DP_TX(O)
CPU: 0 PID: 3218 Comm: calibrator_new Tainted: G O 4.9.17-04785-g942bccb-dirty #4
Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
[<c0110dd0>] (unwind_backtrace) from [<c010c9d4>] (show_stack+0x10/0x14)
[<c010c9d4>] (show_stack) from [<c0cc6b84>] (dump_stack+0x80/0x94)
[<c0cc6b84>] (dump_stack) from [<c01352e4>] (__warn+0xec/0x104)
[<c01352e4>] (__warn) from [<c01353f4>] (warn_slowpath_null+0x20/0x28)
[<c01353f4>] (warn_slowpath_null) from [<bf019500>] (wl12xx_queue_recovery_work+0x64/0x68 [wlcore])
[<bf019500>] (wl12xx_queue_recovery_work [wlcore]) from [<bf01b6a0>] (wlcore_cmd_send_failsafe+0x7c/0x4c0 [wlcore])
[<bf01b6a0>] (wlcore_cmd_send_failsafe [wlcore]) from [<bf01bb54>] (wl1271_cmd_test+0x4c/0x98 [wlcore])
[<bf01bb54>] (wl1271_cmd_test [wlcore]) from [<bf02bfd4>] (wl1271_tm_cmd+0x1d4/0x5b4 [wlcore])
[<bf02bfd4>] (wl1271_tm_cmd [wlcore]) from [<c0c2f84c>] (nl80211_testmode_do+0x98/0x244)
[<c0c2f84c>] (nl80211_testmode_do) from [<c0aaaf20>] (genl_rcv_msg+0x328/0x3f4)
[<c0aaaf20>] (genl_rcv_msg) from [<c0aaa68c>] (netlink_rcv_skb+0xb4/0xd0)
[<c0aaa68c>] (netlink_rcv_skb) from [<c0aaabe8>] (genl_rcv+0x24/0x34)
[<c0aaabe8>] (genl_rcv) from [<c0aa9ef8>] (netlink_unicast+0x1d4/0x284)
[<c0aa9ef8>] (netlink_unicast) from [<c0aaa3a4>] (netlink_sendmsg+0x330/0x3a4)
[<c0aaa3a4>] (netlink_sendmsg) from [<c0a4bc08>] (sock_sendmsg+0x34/0x44)
[<c0a4bc08>] (sock_sendmsg) from [<c0a4c384>] (___sys_sendmsg+0x274/0x280)
[<c0a4c384>] (___sys_sendmsg) from [<c0a4d6e8>] (SyS_sendmsg+0xa4/0xd0)
[<c0a4d6e8>] (SyS_sendmsg) from [<c0107d80>] (ret_fast_syscall+0x0/0x3c)
---[ end trace 280b7012ee1e26bb ]---
wlcore: WARNING TEST command failed
wlcore: WARNING testmode cmd test failed: -110
Same problem is noticed in the post, e2e.ti.com/support/wireless-connectivity/wifi/f/968/t/632611?Linux-WL1831MOD-Changing-TX-power-of-WL1831
Could you please tell me what should I do to resolve this problem?
Thanks,
Pratheesh