On Thu, Dec 03, 2009 at 04:59:10AM -0500, Dinesh Joshi wrote: > Hi, > 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. I suggest filing bugs in Ubuntu's bug database if you are using their kernels. If you use a kernel.org kernel, then we can help you out. > 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. What is the exact panic? Can you try the 2.6.32 kernel? It has some fixes for this driver in it. > Is there a chance that I could get this device working sooner than > later? If so, where do I get the source? It is in the main kernel tree. thanks, greg k-h _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/devel
