[FS#695] installing 3g modem - failed -> kmod-usb-serial & kmod-usb-serial-wwan

[LEDE Bugs]

A new Flyspray task has been opened.  Details are below. 

User who did this - camel (camel) 

Attached to Project - LEDE Project
Summary - installing 3g modem - failed -> kmod-usb-serial & kmod-usb-serial-wwan
Task Type - Bug Report
Category - Base system
Status - Unconfirmed
Assigned To - 
Operating System - All
Severity - High
Priority - Very Low
Reported Version - Trunk
Due in Version - Undecided
Due Date - Undecided
Details - was working fine for a while ...
now gives error on installation ...

#3g/4g + luci (https://wiki.openwrt.org/doc/recipes/3gdongle)
opkg install chat --force-reinstall
opkg install comgt --force-reinstall
opkg install luci-proto-3g --force-reinstall
opkg install kmod-usb-serial --force-reinstall
opkg install kmod-usb-serial-option --force-reinstall
opkg install kmod-usb-serial-wwan --force-reinstall
#3ginfo package
opkg install http://dl.eko.one.pl/chaos_calmer/ar71xx/packages/3ginfo-text_20170106_all.ipk --force-checksum --force-reinstall
#opkg install http://dl.eko.one.pl/chaos_calmer/ar71xx/packages/3ginfo_20170106_all.ipk --force-checksum --force-reinstall
#option overwrite with own apps....

logs:

root at router_WE286:~# logread -f
Sun Apr  9 15:07:14 2017 kern.info kernel: [  521.661149]
Sun Apr  9 15:07:14 2017 kern.info kernel: [  521.661149] do_page_fault(): sending SIGSEGV to modpro                                                                    be for invalid read access from 771b4384
Sun Apr  9 15:07:14 2017 kern.info kernel: [  521.670056] epc = 00401949 in kmodloader[400000+3000]
Sun Apr  9 15:07:14 2017 kern.info kernel: [  521.675241] ra  = 00401d2d in kmodloader[400000+3000]
Sun Apr  9 15:07:14 2017 kern.info kernel: [  521.680442]
Sun Apr  9 15:07:14 2017 kern.info kernel: [  521.794389]
Sun Apr  9 15:07:14 2017 kern.info kernel: [  521.794389] do_page_fault(): sending SIGSEGV to modpro                                                                    be for invalid read access from 77868384
Sun Apr  9 15:07:14 2017 kern.info kernel: [  521.803270] epc = 00401949 in kmodloader[400000+3000]
Sun Apr  9 15:07:14 2017 kern.info kernel: [  521.808469] ra  = 00401d2d in kmodloader[400000+3000]
Sun Apr  9 15:07:14 2017 kern.info kernel: [  521.813629]
Sun Apr  9 15:07:14 2017 daemon.err modprobe: failed to load the .modinfo section from /lib/modules/                                                                    4.4.59/option.ko
Sun Apr  9 15:07:14 2017 daemon.err modprobe: failed to load the .modinfo section from /lib/modules/                                                                    4.4.59/option.ko
Sun Apr  9 15:07:15 2017 kern.info kernel: [  522.726536]
Sun Apr  9 15:07:15 2017 kern.info kernel: [  522.726536] do_page_fault(): sending SIGSEGV to modpro                                                                    be for invalid read access from 77750384
Sun Apr  9 15:07:15 2017 kern.info kernel: [  522.735412] epc = 00401949 in kmodloader[400000+3000]
Sun Apr  9 15:07:15 2017 kern.info kernel: [  522.740601] ra  = 00401d2d in kmodloader[400000+3000]
Sun Apr  9 15:07:15 2017 kern.info kernel: [  522.745761]
Sun Apr  9 15:08:08 2017 kern.err kernel: [  573.735591] msdc-1 -> cmd card power  cmd card power  cmd card power  cmd card power