Hi Champs,
The problem here appears on a system implementing a WL1837MOD connected to a custom processor based on dual cortex A7 running Linux (Yocto rev 4.19.72)
. When the WL1837MOD is powered on wlan0 port can be seen in network interfaces
. Connman works ok to configure Wifi connexion to one of our routers.
. Sometimes some issues are see when using connman to enable wifi like :
wlcore: WARNING ELP wakeup timeout!
wlcore: ERROR failed to initiate cmd role disable
ieee80211 phy0: Hardware restart was requested
Disabled wifi
. When connection is enabled the linux system gets an IP, but lose it quickly and then gets another IP and then lose it again …. This process being an endless loop
> See ifconfig_logs.txt file in attachments (this file is the result of the following command : watch -n 1 ifconfig wlan0 > ifconfig_logs.txt)
Could you help here?
Thank you
Best regards,
Guillaume
[H[JEvery 1s: ifconfig wlan0 2019-12-06 09:47:39 wlan0 Link encap:Ethernet HWaddr 0C:1C:57:AC:D7:2B inet addr:192.168.2.78 Bcast:192.168.2.255 Mask:255.255.255.0 inet6 addr: fe80::e1c:57ff:feac:d72b/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:125 errors:0 dropped:0 overruns:0 frame:0 TX packets:213 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:23118 (22.5 KiB) TX bytes:58684 (57.3 KiB) [H[JEvery 1s: ifconfig wlan0 2019-12-06 09:47:40 wlan0 Link encap:Ethernet HWaddr 0C:1C:57:AC:D7:2B inet addr:192.168.2.78 Bcast:192.168.2.255 Mask:255.255.255.0 inet6 addr: fe80::e1c:57ff:feac:d72b/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:130 errors:0 dropped:0 overruns:0 frame:0 TX packets:225 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:24028 (23.4 KiB) TX bytes:61380 (59.9 KiB) [H[JEvery 1s: ifconfig wlan0 2019-12-06 09:47:41 wlan0 Link encap:Ethernet HWaddr 0C:1C:57:AC:D7:2B inet6 addr: fe80::e1c:57ff:feac:d72b/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:131 errors:0 dropped:0 overruns:0 frame:0 TX packets:229 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:24120 (23.5 KiB) TX bytes:62810 (61.3 KiB) [H[JEvery 1s: ifconfig wlan0 2019-12-06 09:47:42 wlan0 Link encap:Ethernet HWaddr 0C:1C:57:AC:D7:2B inet addr:192.168.2.78 Bcast:192.168.2.255 Mask:255.255.255.0 inet6 addr: fe80::e1c:57ff:feac:d72b/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:135 errors:0 dropped:0 overruns:0 frame:0 TX packets:233 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:24938 (24.3 KiB) TX bytes:63704 (62.2 KiB) [H[JEvery 1s: ifconfig wlan0 2019-12-06 09:47:43 wlan0 Link encap:Ethernet HWaddr 0C:1C:57:AC:D7:2B inet addr:192.168.2.78 Bcast:192.168.2.255 Mask:255.255.255.0 inet6 addr: fe80::e1c:57ff:feac:d72b/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:138 errors:0 dropped:0 overruns:0 frame:0 TX packets:241 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:25714 (25.1 KiB) TX bytes:66046 (64.4 KiB) [H[JEvery 1s: ifconfig wlan0 2019-12-06 09:47:44 wlan0 Link encap:Ethernet HWaddr 0C:1C:57:AC:D7:2B inet6 addr: fe80::e1c:57ff:feac:d72b/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:142 errors:0 dropped:0 overruns:0 frame:0 TX packets:251 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:26282 (25.6 KiB) TX bytes:68034 (66.4 KiB) [H[JEvery 1s: ifconfig wlan0 2019-12-06 09:47:46 wlan0 Link encap:Ethernet HWaddr 0C:1C:57:AC:D7:2B inet addr:192.168.2.78 Bcast:192.168.2.255 Mask:255.255.255.0 inet6 addr: fe80::e1c:57ff:feac:d72b/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:145 errors:0 dropped:0 overruns:0 frame:0 TX packets:256 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:26758 (26.1 KiB) TX bytes:69018 (67.4 KiB) [H[JEvery 1s: ifconfig wlan0 2019-12-06 09:47:47 wlan0 Link encap:Ethernet HWaddr 0C:1C:57:AC:D7:2B inet addr:192.168.2.78 Bcast:192.168.2.255 Mask:255.255.255.0 inet6 addr: fe80::e1c:57ff:feac:d72b/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:150 errors:0 dropped:0 overruns:0 frame:0 TX packets:264 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:27668 (27.0 KiB) TX bytes:71354 (69.6 KiB) [H[JEvery 1s: ifconfig wlan0 2019-12-06 09:47:48 wlan0 Link encap:Ethernet HWaddr 0C:1C:57:AC:D7:2B inet6 addr: fe80::e1c:57ff:feac:d72b/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:151 errors:0 dropped:0 overruns:0 frame:0 TX packets:271 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:27760 (27.1 KiB) TX bytes:73066 (71.3 KiB) [H[JEvery 1s: ifconfig wlan0 2019-12-06 09:47:49 wlan0 Link encap:Ethernet HWaddr 0C:1C:57:AC:D7:2B inet addr:192.168.2.78 Bcast:192.168.2.255 Mask:255.255.255.0 inet6 addr: fe80::e1c:57ff:feac:d72b/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:155 errors:0 dropped:0 overruns:0 frame:0 TX packets:278 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:28578 (27.9 KiB) TX bytes:74230 (72.4 KiB) [H[JEvery 1s: ifconfig wlan0 2019-12-06 09:47:50 wlan0 Link encap:Ethernet HWaddr 0C:1C:57:AC:D7:2B inet addr:192.168.2.78 Bcast:192.168.2.255 Mask:255.255.255.0 inet6 addr: fe80::e1c:57ff:feac:d72b/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:160 errors:0 dropped:0 overruns:0 frame:0 TX packets:287 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:29488 (28.7 KiB) TX bytes:76644 (74.8 KiB) [H[JEvery 1s: ifconfig wlan0 2019-12-06 09:47:51 wlan0 Link encap:Ethernet HWaddr 0C:1C:57:AC:D7:2B inet6 addr: fe80::e1c:57ff:feac:d72b/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:162 errors:0 dropped:0 overruns:0 frame:0 TX packets:292 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:29922 (29.2 KiB) TX bytes:78704 (76.8 KiB) [H[JEvery 1s: ifconfig wlan0 2019-12-06 09:47:52 wlan0 Link encap:Ethernet HWaddr 0C:1C:57:AC:D7:2B inet addr:192.168.2.78 Bcast:192.168.2.255 Mask:255.255.255.0 inet6 addr: fe80::e1c:57ff:feac:d72b/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:165 errors:0 dropped:0 overruns:0 frame:0 TX packets:297 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:30398 (29.6 KiB) TX bytes:79160 (77.3 KiB) [H[JEvery 1s: ifconfig wlan0 2019-12-06 09:47:53 wlan0 Link encap:Ethernet HWaddr 0C:1C:57:AC:D7:2B inet addr:192.168.2.78 Bcast:192.168.2.255 Mask:255.255.255.0 inet6 addr: fe80::e1c:57ff:feac:d72b/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:170 errors:0 dropped:0 overruns:0 frame:0 TX packets:308 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:31308 (30.5 KiB) TX bytes:81766 (79.8 KiB) [H[JEvery 1s: ifconfig wlan0 2019-12-06 09:47:54 wlan0 Link encap:Ethernet HWaddr 0C:1C:57:AC:D7:2B inet6 addr: fe80::e1c:57ff:feac:d72b/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:172 errors:0 dropped:0 overruns:0 frame:0 TX packets:313 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:31742 (30.9 KiB) TX bytes:83826 (81.8 KiB) [H[JEvery 1s: ifconfig wlan0 2019-12-06 09:47:55 wlan0 Link encap:Ethernet HWaddr 0C:1C:57:AC:D7:2B inet addr:192.168.2.78 Bcast:192.168.2.255 Mask:255.255.255.0 inet6 addr: fe80::e1c:57ff:feac:d72b/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:175 errors:0 dropped:0 overruns:0 frame:0 TX packets:317 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:32218 (31.4 KiB) TX bytes:84192 (82.2 KiB) [H[JEvery 1s: ifconfig wlan0 2019-12-06 09:47:56 wlan0 Link encap:Ethernet HWaddr 0C:1C:57:AC:D7:2B inet addr:192.168.2.78 Bcast:192.168.2.255 Mask:255.255.255.0 inet6 addr: fe80::e1c:57ff:feac:d72b/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:180 errors:0 dropped:0 overruns:0 frame:0 TX packets:327 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:33128 (32.3 KiB) TX bytes:86720 (84.6 KiB) [H[JEvery 1s: ifconfig wlan0 2019-12-06 09:47:57 wlan0 Link encap:Ethernet HWaddr 0C:1C:57:AC:D7:2B inet6 addr: fe80::e1c:57ff:feac:d72b/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:181 errors:0 dropped:0 overruns:0 frame:0 TX packets:335 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:33220 (32.4 KiB) TX bytes:88522 (86.4 KiB) [H[JEvery 1s: ifconfig wlan0 2019-12-06 09:47:58 wlan0 Link encap:Ethernet HWaddr 0C:1C:57:AC:D7:2B inet addr:192.168.2.78 Bcast:192.168.2.255 Mask:255.255.255.0 inet6 addr: fe80::e1c:57ff:feac:d72b/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:185 errors:0 dropped:0 overruns:0 frame:0 TX packets:339 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:34038 (33.2 KiB) TX bytes:89416 (87.3 KiB) [H[JEvery 1s: ifconfig wlan0 2019-12-06 09:47:59 wlan0 Link encap:Ethernet HWaddr 0C:1C:57:AC:D7:2B inet6 addr: fe80::e1c:57ff:feac:d72b/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:188 errors:0 dropped:0 overruns:0 frame:0 TX packets:345 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:34814 (33.9 KiB) TX bytes:91566 (89.4 KiB) [H[JEvery 1s: ifconfig wlan0 2019-12-06 09:48:00 wlan0 Link encap:Ethernet HWaddr 0C:1C:57:AC:D7:2B inet6 addr: fe80::e1c:57ff:feac:d72b/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:191 errors:0 dropped:0 overruns:0 frame:0 TX packets:353 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:35040 (34.2 KiB) TX bytes:93374 (91.1 KiB)