hi all,
i have some problems with my wifi edimax EW-7811Un. i had never problems with this wifi stick. but since a few day not work this stick.
so when i look in:
lsusb: Bus 001 Device 004: ID 7392:7811 Edimax Technology Co., Ltd EW-7811Un 802.11n Wireless Adapter [Realtek RTL8188CUS] is ready
lsmod: Module Size Used by
8021q 16074 0
8192cu 581876 0 ready
bcm2835_gpiomem 2652 0
bcm2835_wdt 2777 0
than i look with dmesg and i reveived some error notices:
[ 6.645580] ===> FirmwareDownload91C() fw:Rtl819XFwImageArray_TSMC
[ 6.645595] FirmwareDownload92C accquire FW from embedded image
[ 6.645604] fw_ver=v88, fw_subver=2, sig=0x88c0
[ 6.756961] Polling FW ready fail!! REG_MCUFWDL:0x00030006 .
[ 6.757057] Reset 51 write8 REG_SYS_FUNC_EN:0x00d8
[ 6.757128] Reset 51 write8 REG_SYS_FUNC_EN:0x00dc
[ 7.254683] reg 0x80, usb read 4 fail, status:-110 value=0x0, vendorreq_times:1
[ 7.336013] Polling FW ready fail!! REG_MCUFWDL:0x00030006 .
[ 7.336035] DL Firmware failed!
[ 7.336053] fw download fail!
[ 7.336064] rtl8192cu_hal_init in 693ms
[ 7.336074] -871x_drv - drv_open fail, bup=0
[ 28.130401] +871x_drv - drv_open, bup=0
[ 28.133581] ===> FirmwareDownload91C() fw:Rtl819XFwImageArray_TSMC
[ 28.133607] FirmwareDownload92C accquire FW from embedded image
[ 28.133620] fw_ver=v88, fw_subver=2, sig=0x88c0
[ 28.260431] Polling FW ready fail!! REG_MCUFWDL:0x00030006 .
[ 28.260536] Reset 51 write8 REG_SYS_FUNC_EN:0x00d8
[ 28.260622] Reset 51 write8 REG_SYS_FUNC_EN:0x00dc
[ 28.337369] Polling FW ready fail!! REG_MCUFWDL:0x00030006 .
[ 28.337391] DL Firmware failed!
[ 28.337415] fw download fail!
[ 28.337429] rtl8192cu_hal_init in 206ms
[ 28.337440] -871x_drv - drv_open fail, bup=0
[ 30.440749] smsc95xx 1-1.1:1.0 eth0: hardware isn't capable of remote wakeup
[ 33.904064] +871x_drv - drv_open, bup=0
[ 33.907980] ===> FirmwareDownload91C() fw:Rtl819XFwImageArray_TSMC
[ 33.908005] FirmwareDownload92C accquire FW from embedded image
[ 33.908020] fw_ver=v88, fw_subver=2, sig=0x88c0
[ 34.039411] Polling FW ready fail!! REG_MCUFWDL:0x00030006 .
[ 34.039535] Reset 51 write8 REG_SYS_FUNC_EN:0x00d8
[ 34.039639] Reset 51 write8 REG_SYS_FUNC_EN:0x00dc
[ 34.114082] Polling FW ready fail!! REG_MCUFWDL:0x00030006 .
[ 34.114104] DL Firmware failed!
[ 34.114128] fw download fail!
[ 34.114140] rtl8192cu_hal_init in 210ms
[ 34.114155] -871x_drv - drv_open fail, bup=0
[ 35.369759] +871x_drv - drv_open, bup=0
[ 35.372837] ===> FirmwareDownload91C() fw:Rtl819XFwImageArray_TSMC
[ 35.372854] FirmwareDownload92C accquire FW from embedded image
[ 35.372863] fw_ver=v88, fw_subver=2, sig=0x88c0
[ 35.464966] Polling FW ready fail!! REG_MCUFWDL:0x00030006 .
[ 35.465058] Reset 51 write8 REG_SYS_FUNC_EN:0x00d8
[ 35.465133] Reset 51 write8 REG_SYS_FUNC_EN:0x00dc
[ 35.964718] reg 0x80, usb read 4 fail, status:-110 value=0x0, vendorreq_times:1
[ 36.035284] Polling FW ready fail!! REG_MCUFWDL:0x00030006 .
[ 36.035317] DL Firmware failed!
[ 36.035341] fw download fail!
[ 36.035352] rtl8192cu_hal_init in 666ms
[ 36.035362] -871x_drv - drv_open fail, bup=0
[ 37.230788] +871x_drv - drv_open, bup=0
[ 37.233899] ===> FirmwareDownload91C() fw:Rtl819XFwImageArray_TSMC
[ 37.233917] FirmwareDownload92C accquire FW from embedded image
[ 37.233926] fw_ver=v88, fw_subver=2, sig=0x88c0
[ 37.328011] Polling FW ready fail!! REG_MCUFWDL:0x00030006 .
[ 37.328158] Reset 51 write8 REG_SYS_FUNC_EN:0x00d8
[ 37.328277] Reset 51 write8 REG_SYS_FUNC_EN:0x00dc
[ 37.427734] Polling FW ready fail!! REG_MCUFWDL:0x00030006 .
[ 37.427774] DL Firmware failed!
[ 37.427815] fw download fail!
[ 37.427834] rtl8192cu_hal_init in 196ms
[ 37.427850] -871x_drv - drv_open fail, bup=0
[ 41.251820] +871x_drv - drv_open, bup=0
[ 41.254502] ===> FirmwareDownload91C() fw:Rtl819XFwImageArray_TSMC
[ 41.254515] FirmwareDownload92C accquire FW from embedded image
[ 41.254525] fw_ver=v88, fw_subver=2, sig=0x88c0
[ 41.348144] Polling FW ready fail!! REG_MCUFWDL:0x00030006 .
[ 41.348278] Reset 51 write8 REG_SYS_FUNC_EN:0x00d8
[ 41.348371] Reset 51 write8 REG_SYS_FUNC_EN:0x00dc
[ 41.421773] Polling FW ready fail!! REG_MCUFWDL:0x00030006 .
[ 41.421798] DL Firmware failed!
[ 41.421821] fw download fail!
[ 41.421834] rtl8192cu_hal_init in 170ms
[ 41.421845] -871x_drv - drv_open fail, bup=0
[ 44.247537] smsc95xx 1-1.1:1.0 eth0: hardware isn't capable of remote wakeup
[ 44.247860] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[ 51.917501] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[ 51.919324] smsc95xx 1-1.1:1.0 eth0: link up, 100Mbps, full-duplex, lpa 0xC5E1
[ 51.942736] 8021q: 802.1Q VLAN Support v1.8
so what can i do in this case? thx for help me 
