Re: [Rtl-wifi-devel] Realtek RTL8187B stopped working

[Markus G. <nie...@ly...>]

Welcome to the beauty of open source….
If it ain’t working use KGDB to debug it, fix it yourself.

That’s the real beauty of a long time dead driver…

//M

On 17 Jul 2014, at 12:14 , Hosam Hittini <h.h...@gm...> wrote:

> 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
> 
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//Markus - The panama-hat hacker