From: Larry Finger <Larry.Finger@lwfinger.net>
To: Christian Clauss <cclauss@bluewin.ch>
Cc: ziv_huang@realtek.com, georgia@realtek.com,
linux-wireless <linux-wireless@vger.kernel.org>
Subject: Re: rtl8192cu NOT working on Raspberry Pi
Date: Sat, 16 Mar 2013 18:22:52 -0500 [thread overview]
Message-ID: <5144FECC.6050504@lwfinger.net> (raw)
In-Reply-To: <041DFAF5-BEDE-4C1A-9863-A04F2DD3049A@bluewin.ch>
On 03/16/2013 05:03 PM, Christian Clauss wrote:
> Hi Larry, Ziv, and Georgia,
>
> These rtl8192cu drivers seem to be very flakey / non-functional on Raspberry Pi.
>
> https://github.com/hexameron/rtlwifi
>
> http://www.raspberrypi.org/phpBB3/viewtopic.php?f=71&t=24951
Sorry, but I only support the drivers in the current Linux kernel, and as
backported with compat-drivers.
>
> # ========
>
> $ uname -a
> Linux raspberrypi 3.6.11+ #371 PREEMPT Thu Feb 7 16:31:35 GMT 2013 armv6l GNU/Linux
>
> # ========
>
> $ modinfo rtl8192cu # Only after following hexameron's instructions above.
> filename: /lib/modules/3.6.11+/kernel/drivers/net/wireless/rtlwifi/rtl8192cu/rtl8192cu.ko
> firmware: rtlwifi/rtl8192cufw.bin
> description: Realtek 8192C/8188C 802.11n USB wireless
> license: GPL
> author: Larry Finger <Larry.Finger@lwfinger.net>
> author: Ziv Huang <ziv_huang@realtek.com>
> author: Georgia <georgia@realtek.com>
>
> # ========
>
> $ modinfo 8192cu
> filename: /lib/modules/3.6.11+/kernel/drivers/net/wireless/rtl8192cu/8192cu.ko
> version: v3.4.3_4369.20120622
> author: Realtek Semiconductor Corp.
> description: Realtek Wireless Lan Driver
> license: GPL
>
> # ========
>
> $ ifup wlan0
> ioctl[SIOCSIWAP]: Operation not permitted
> ioctl[SIOCSIWENCODEEXT]: Invalid argument
> ioctl[SIOCSIWENCODEEXT]: Invalid argument
No mac80211 driver will support *ALL* of the ioctl commands. You should use iw;
however, these should not be critical.
>
> # ========
>
> $ ip addr
> 4: wlan0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc mq state DOWN qlen 1000
> link/ether e0:91:53:62:9e:d9 brd ff:ff:ff:ff:ff:ff
>
> # ========
>
> $ ifconfig wlan0
> wlan0 Link encap:Ethernet HWaddr e0:91:53:62:9e:d9
> UP BROADCAST MULTICAST MTU:1500 Metric:1
> RX packets:0 errors:0 dropped:0 overruns:0 frame:0
> TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
> collisions:0 txqueuelen:1000
> RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
There is a major bug in rtl8192cu that was just fixed this past week. See
http://marc.info/?l=linux-wireless&m=136319807619280&w=2 for the patch.
Larry
next parent reply other threads:[~2013-03-16 23:22 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <041DFAF5-BEDE-4C1A-9863-A04F2DD3049A@bluewin.ch>
2013-03-16 23:22 ` Larry Finger [this message]
2013-03-17 9:12 ` rtl8192cu NOT working on Raspberry Pi Jussi Kivilinna
2013-03-17 15:06 ` Adrian Chadd
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