Re: [Bug] Various abnormal WiFi behaviors with Linux 3.8 on arm/imx23

From: Guan Xin
Date: Mon Mar 04 2013 - 17:44:41 EST


On Mon, Mar 4, 2013 at 1:44 AM, Guan Xin <guanx.bac@xxxxxxxxx> wrote:
> Hello,
>
> I have just moved from Linux 3.7.x to Linux 3.8.x because 3.7.x is
> EOL-ed. On an iMX233-OLinuXino-MICRO with USB WiFi adapters I got the
> following problems which were never present in Linux 3.7.x.
> ... ...

Today I upgraded from 3.8.1 to 3.8.2 and started to see some errors in dmesg:

[ 35.160000] rtl8192cu: Chip version 0x11
[ 35.160000] rtl8192cu:_rtl92cu_read_adapter_info():<0-0> EEPROM
ID(0xffff) is invalid!!
[ 35.160000] rtlwifi: rx_max_size 15360, rx_urb_num 8, in_ep 1
[ 35.160000] rtl8192cu: Loading firmware rtlwifi/rtl8192cufw.bin
[ 35.170000] usbcore: registered new interface driver rtl8192cu
[ 35.240000] ieee80211 phy0: Selected rate control algorithm 'rtl_rc'
[ 35.240000] rtlwifi: wireless switch is on
... ...
[ 89.900000] rtl8192cu: MAC auto ON okay!
[ 89.980000] rtl8192cu:rtl92c_llt_write():<0-0> Failed to polling
write LLT done at address 0! _LLT_OP_VALUE(3)
[ 89.980000] rtl8192cu: ===> rtl92c_init_llt_table #1 fail
[ 89.980000] rtl8192cu:_rtl92cu_init_mac():<0-0> Failed to init LLT Table!
[ 89.980000] rtl8192cu:rtl92cu_hw_init():<0-0> init mac failed!


Guan
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