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Initially after SSHing into the microcontroller I was able to get the wifi on with this line.
Subsequent running of iwconfig would display mlan0 in the list of the devices.
Next day after the microcontroller has been switched of for the night I am unable to replicate that set up.
Output of runnng lsmod:
Module Size Used by
musb_dsps 20480 0
musb_hdrc 98304 1 musb_dsps
udc_core 28672 1 musb_hdrc
usbcore 204800 1 musb_hdrc
phy_am335x 16384 2
phy_am335x_control 16384 1 phy_am335x
phy_generic 16384 1 phy_am335x
usb_common 16384 5 phy_am335x,udc_core,musb_hdrc,musb_dsps,usbcore
c_can_platform 16384 0
c_can 20480 1 c_can_platform
mcp251x 20480 0
snd_soc_tlv320aic31xx 36864 1
can_dev 24576 2 mcp251x,c_can
musb_am335x 16384 0
omap_wdt 16384 0
sd8xxx 552960 0
mlan 430080 1 sd8xxx
cfg80211 266240 1 sd8xxx
ppp_generic 36864 0
slhc 16384 1 ppp_generic
owa4x_gpio 16384 0
ip_tables 24576 0
x_tables 32768 1 ip_tables
output of running iwconfig -a does not list mlan0, which it did first time around:
eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.8.244 netmask 255.255.255.0 broadcast 192.168.8.255
inet6 fe80::eb2:b7ff:fed8:9bd6 prefixlen 64 scopeid 0x20<link>
inet6 fdf4:7177:49ee:0:eb2:b7ff:fed8:9bd6 prefixlen 64 scopeid 0x0<global>
ether 0c:b2:b7:d8:9b:d6 txqueuelen 1000 (Ethernet)
RX packets 456 bytes 40141 (39.2 KiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 346 bytes 59107 (57.7 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
device interrupt 51
eth0:0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.10.1 netmask 255.255.255.0 broadcast 0.0.0.0
ether 0c:b2:b7:d8:9b:d6 txqueuelen 1000 (Ethernet)
device interrupt 51
lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
inet6 ::1 prefixlen 128 scopeid 0x10<host>
loop txqueuelen 1000 (Local Loopback)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
this is what I get if I run dmesg:
[ 5.939860] mlan: loading out-of-tree module taints kernel.
[ 6.398869] systemd-journald[107]: Received request to flush runtime journal from PID 1
[ 6.418469] wlan: Loading MWLAN driver
[ 6.480709] wlan: Driver loaded successfully
I suspect `loading out-of-tree module taints kernel` may be an issue but I do not know how to proceed further.
In all other logs there is no mention of anything relating to wlan/mlan.
I have tried unloading the modules in question and restarting the whole networking:
This still has not fixed the problem.
Besides refreshing the whole system and hoping it works just like the first time I do not really know how to proceed with trying to fix this issue or even what further debugging to undertake.
Thanks for your help.
Code:
ip link set mlan0 up
Subsequent running of iwconfig would display mlan0 in the list of the devices.
Next day after the microcontroller has been switched of for the night I am unable to replicate that set up.
Output of runnng lsmod:
Module Size Used by
musb_dsps 20480 0
musb_hdrc 98304 1 musb_dsps
udc_core 28672 1 musb_hdrc
usbcore 204800 1 musb_hdrc
phy_am335x 16384 2
phy_am335x_control 16384 1 phy_am335x
phy_generic 16384 1 phy_am335x
usb_common 16384 5 phy_am335x,udc_core,musb_hdrc,musb_dsps,usbcore
c_can_platform 16384 0
c_can 20480 1 c_can_platform
mcp251x 20480 0
snd_soc_tlv320aic31xx 36864 1
can_dev 24576 2 mcp251x,c_can
musb_am335x 16384 0
omap_wdt 16384 0
sd8xxx 552960 0
mlan 430080 1 sd8xxx
cfg80211 266240 1 sd8xxx
ppp_generic 36864 0
slhc 16384 1 ppp_generic
owa4x_gpio 16384 0
ip_tables 24576 0
x_tables 32768 1 ip_tables
output of running iwconfig -a does not list mlan0, which it did first time around:
eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.8.244 netmask 255.255.255.0 broadcast 192.168.8.255
inet6 fe80::eb2:b7ff:fed8:9bd6 prefixlen 64 scopeid 0x20<link>
inet6 fdf4:7177:49ee:0:eb2:b7ff:fed8:9bd6 prefixlen 64 scopeid 0x0<global>
ether 0c:b2:b7:d8:9b:d6 txqueuelen 1000 (Ethernet)
RX packets 456 bytes 40141 (39.2 KiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 346 bytes 59107 (57.7 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
device interrupt 51
eth0:0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.10.1 netmask 255.255.255.0 broadcast 0.0.0.0
ether 0c:b2:b7:d8:9b:d6 txqueuelen 1000 (Ethernet)
device interrupt 51
lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
inet6 ::1 prefixlen 128 scopeid 0x10<host>
loop txqueuelen 1000 (Local Loopback)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
this is what I get if I run dmesg:
[ 5.939860] mlan: loading out-of-tree module taints kernel.
[ 6.398869] systemd-journald[107]: Received request to flush runtime journal from PID 1
[ 6.418469] wlan: Loading MWLAN driver
[ 6.480709] wlan: Driver loaded successfully
I suspect `loading out-of-tree module taints kernel` may be an issue but I do not know how to proceed further.
In all other logs there is no mention of anything relating to wlan/mlan.
I have tried unloading the modules in question and restarting the whole networking:
Code:
sudo rmmod sd8xxx
sudo rmmod mlan
modprobe sd8xx
modprobe man
/etc/init.d/networking restart
This still has not fixed the problem.
Besides refreshing the whole system and hoping it works just like the first time I do not really know how to proceed with trying to fix this issue or even what further debugging to undertake.
Thanks for your help.
Last edited: