Hi Tony,

Thanks for your feedback. Could you possibly post the firmware somewhere (
along with the md5 sum )?

Thanks

Dinesh

On Thu, Jun 17, 2010 at 7:09 AM, Tony Mugan <email address hidden> wrote:

> I am running the mainline kernel 2.6.34-020634-generic on Ubuntu 10.04
> Lucid Lynx (with all latest updates applied) and the wireless N adapter
> described above does not work automatically.  I got the same messages in
> the dmesg output as the OP shows.
>
> I copied the firmware off the CD that came with the adapter and it
> works.
>
> Details on how to do it here
>
> http://gurrier.wordpress.com/2010/06/18/inexpensive-802-11n-wifi-usb-
> with-ubuntu-10-04-lucid-lynx/
>
>
> lsusb shows
> Bus 001 Device 010: ID 0bda:8172 Realtek Semiconductor Corp.
>
> --
> [STAGING] realtek rtl8192su chipset based USB wireless devices fail to work
> https://bugs.launchpad.net/bugs/492034
> You received this bug notification because you are a direct subscriber
> of the bug.
>
> Status in “linux” package in Ubuntu: Confirmed
>
> Bug description:
> I recently purchased a 802.11n wireless USB device. Specifically, its the
> Trendnet TEW 649UB [1]. I believe it uses the Realtek RTL8192SU chip.
>
> I'm running Ubuntu 9.10 64bit. The current kernel is Linux 2.6.31-15. When
> I plug-in the device, it doesn't work. dmesg shows the following logs:
>
>
> -------------------------------------------------------------------------------------------------------------------------
> [ 1754.202557] usb 2-2: new high speed USB device using ehci_hcd and
> address 4
> [ 1754.363248] usb 2-2: configuration #1 chosen from 1 choice
> [ 1754.410823] ieee80211_crypt: module is from the staging directory, the
> quality is unknown, you have been warned.
> [ 1754.412641] ieee80211_crypt: registered algorithm 'NULL'
> [ 1754.413614] ieee80211_crypt_wep: module is from the staging directory,
> the quality is unknown, you have been warned.
> [ 1754.415422] ieee80211_crypt: registered algorithm 'WEP'
> [ 1754.417503] ieee80211_crypt_tkip: module is from the staging directory,
> the quality is unknown, you have been warned.
> [ 1754.419532] ieee80211_crypt: registered algorithm 'TKIP'
> [ 1754.420283] ieee80211_crypt_ccmp: module is from the staging directory,
> the quality is unknown, you have been warned.
> [ 1754.421989] ieee80211_crypt: registered algorithm 'CCMP'
> [ 1754.430447] ieee80211_rsl: module is from the staging directory, the
> quality is unknown, you have been warned.
> [ 1754.467809] r8192s_usb: module is from the staging directory, the
> quality is unknown, you have been warned.
> [ 1754.476462]
> [ 1754.476464] Linux kernel driver for RTL8192 based WLAN cards
> [ 1754.476467] Copyright (c) 2007-2008, Realsil Wlan
> [ 1754.478361] ==>ep_num:4, in_ep_num:1, out_ep_num:3
> [ 1754.478365] ==>RtInPipes:3
> [ 1754.478369] ==>RtOutPipes:4  6  13
> [ 1754.478374] ==>txqueue_to_outpipemap for BK, BE, VI, VO, HCCA, TXCMD,
> MGNT, HIGH, BEACON:
> [ 1754.478378] 1  1  0  0  2  2  2  2  2
> [ 1754.787198] Dot11d_Init()
> [ 1754.789574] usbcore: registered new interface driver rtl819xU
> [ 1754.857532] rtl819xU: --->FirmwareDownload92S()
> [ 1754.857538]
> [ 1754.857549] usb 2-2: firmware: requesting RTL8192SU/rtl8192sfw.bin
> [ 1754.865843] rtl819xU:request firmware fail!
> [ 1754.865847]
> [ 1754.866505] rtl819xU:Firmware Download Fail!!a
> [ 1754.866508]
> [ 1754.887043] rtl819xU: --->FirmwareDownload92S()
> [ 1754.887049]
> [ 1754.887060] usb 2-2: firmware: requesting RTL8192SU/rtl8192sfw.bin
> [ 1754.893971] rtl819xU:request firmware fail!
> [ 1754.893974]
> [ 1754.894620] rtl819xU:Firmware Download Fail!!a
> [ 1754.894623]
> [ 1754.894628] rtl819xU:ERR!!! _rtl8192_up(): initialization is failed!
>
> -------------------------------------------------------------------------------------------------------------------------
>
> The log is truncated. The last error keeps looping for a few times. When I
> place the firmware in the /lib/firmware/RTL8192SU directory, and plugin the
> device, I get a kernel panic.
>
> lsusb gives the following info:
>
> Bus 001 Device 007: ID 0bda:8172 Realtek Semiconductor Corp.
>
> I have tried using this with ndiswrapper but unfortunately I have not been
> able to test it on a 32bit system. On a 64bit Karmic install, the Windows XP
> 64bit driver causes ndiswrapper to segfault. None of the other 64bit drivers
> work ( as expected ).
>
> [1]
> http://www.trendnet.com/products/proddetail.asp?prod=200_TEW-649UB&cat=76&status=view
>
>
> Staging Drivers:  ieee80211_crypt ieee80211_crypt_wep ieee80211_crypt_tkip
> ieee80211_crypt_ccmp ieee80211_rsl r8192s_usb
>
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>