[Rtl-wifi-devel] Realtek RTL8187B stopped working

[Hosam H. <h.h...@gm...>]

Hello there,

I have Ubuntu 13.10 Server running 3.11 kernel, I also have two USB Wireless adapters as follows:
Adapter 1: Realtek RTL8187B chipset https://www.thinkpenguin.com/gnu-lin...-g-usb-adapter
Adapter 2: AR7010+AR9280 chipsets https://www.thinkpenguin.com/gnu-lin...nux-tpe-nusbdb
They claim that they work out of the box and they did, however, Adapter 2 had some limitations on frequency use
So, I recompiled backports 3.15 source files after doing some manipulations to get a more opened driver, these manipulations were only for Atheros drivers
Now, Adapter 1 stopped working, I tested the same adapter on another computer and it works fine
The adapter doesn't even show up in lshw -C network
I looked at the module in /lib/modules and the module is still there, apparently it wasn't modified recently
Kindly look at the following codes

hosam@Robin-05:~$ sudo modprobe rtl8187
ERROR: could not insert 'rtl8187': Invalid argument

hosam@Robin-05:~$ sudo insmod /lib/modules/3.11.0-12-generic/kernel/drivers/net/wireless/rtl818x/rtl8187/rtl8187.ko
Error: could not insert module /lib/modules/3.11.0-12-generic/kernel/drivers/net/wireless/rtl818x/rtl8187/rtl8187.ko: Invalid parameters

hosam@Robin-05:~$ dmesg | tail
[ 3097.162711] rtl8187: disagrees about version of symbol wiphy_rfkill_start_polling
[ 3097.162716] rtl8187: Unknown symbol wiphy_rfkill_start_polling (err -22)
[ 3097.162739] rtl8187: disagrees about version of symbol ieee80211_unregister_hw
[ 3097.162744] rtl8187: Unknown symbol ieee80211_unregister_hw (err -22)
[ 3097.162757] rtl8187: disagrees about version of symbol ieee80211_beacon_get_tim
[ 3097.162761] rtl8187: Unknown symbol ieee80211_beacon_get_tim (err -22)
[ 3097.162800] rtl8187: disagrees about version of symbol ieee80211_rx_irqsafe
[ 3097.162805] rtl8187: Unknown symbol ieee80211_rx_irqsafe (err -22)
[ 3097.162828] rtl8187: disagrees about version of symbol ieee80211_rts_duration
[ 3097.162833] rtl8187: Unknown symbol ieee80211_rts_duration (err -22)

Do you have any suggestions?
Thank you

Regards,
Eng. Hosam Hittini