BUG: spinlock bad magic on CPU#0, systemd-journal/1577


#1

Greetings,

I am using WP7502 on MangoOH red board and want to use one of its USB CN308 for connecting a linux system to internet. For this I have installed QMI driver of version S2.34N2.53. When ever I connect CN308 to linux system (Beaglebone black) upon booting of WP7502 I get these:

At first I can say that clearly the system has established connection as I can see /dev/ttyUSB0 (Connected to USB) and /dev/qcqmi0 however this wont stay long. Then comes:

Message from syslogd@Beaglebone at Oct 23 13:12:59 …
** kernel:[ 93.502489] BUG: spinlock bad magic on CPU#0, systemd-journal/1577**

Message from syslogd@Beaglebone at Oct 23 13:12:59 …
** kernel:[ 93.508983] lock: 0xdf59841c, .magic: 00000000, .owner: /-1, . owner_cpu: 0**

Message from syslogd@Beaglebone at Oct 23 13:12:59 …
** kernel:[ 99.300442] BUG: spinlock lockup suspected on CPU#0, systemd-journal/ 1577**

Message from syslogd@Beaglebone at Oct 23 13:12:59 …
** kernel:[ 99.307528] lock: 0xdf59841c, .magic: 00000000, .owner: /-1, . owner_cpu: 0**

after this the system just freezes. Can any one explain me what is the above log related to and how to get around it?