Hi Daniel, > > insmod mwifiex_sdio.ko > > sleep 1 > > ifconfig eth0 up > > iwlist eth0 scan & > > sleep 0.5 > > rmmod mwifiex_sdio > > > > It normally runs fine the first time, no errors, but run it again and > > it terminates with these errors: > > > > mwifiex_sdio mmc0:0001:1: rx_pending=0, tx_pending=0, cmd_pending=-1 > > eth0 Failed to read scan data : No such device After this error message, do you see the sd8787 card is removed from the bus? "mmc0: card 0001 removed" > > > > From this point, things are pretty screwed up. Try to load the driver again... > > > > insmod mwifiex_sdio.ko > > mwifiex_sdio mmc0:0001:1: WLAN FW already running! Skip FW dnld > > mwifiex_sdio mmc0:0001:1: WLAN FW is active > > mwifiex_sdio mmc0:0001:1: mwifiex_cmd_timeout_func: Timeout cmd id > > (331.391420) = 0xa9, act = 0x0 > > mwifiex_sdio mmc0:0001:1: num_data_h2c_failure = 0 > > mwifiex_sdio mmc0:0001:1: num_cmd_h2c_failure = 0 > > mwifiex_sdio mmc0:0001:1: num_cmd_timeout = 1 > > mwifiex_sdio mmc0:0001:1: num_tx_timeout = 0 > > mwifiex_sdio mmc0:0001:1: last_cmd_index = 1 > > mwifiex_sdio mmc0:0001:1: last_cmd_id: 00 00 a9 00 00 00 00 00 00 00 > > mwifiex_sdio mmc0:0001:1: last_cmd_act: 00 00 00 00 00 00 00 00 00 00 > > mwifiex_sdio mmc0:0001:1: last_cmd_resp_index = 0 > > mwifiex_sdio mmc0:0001:1: last_cmd_resp_id: 00 00 00 00 00 00 00 00 00 00 > > mwifiex_sdio mmc0:0001:1: last_event_index = 0 > > mwifiex_sdio mmc0:0001:1: last_event: 00 00 00 00 00 00 00 00 00 00 > > mwifiex_sdio mmc0:0001:1: data_sent=1 cmd_sent=1 > > mwifiex_sdio mmc0:0001:1: ps_mode=0 ps_state=0 > > mwifiex_sdio mmc0:0001:1: cmd timeout > > mwifiex_sdio: Resetting card... > > WARNING: driver mwifiex_sdio did not remove its interrupt handler! > > mmc0: card 0001 removed > > > > and it doesn't come back. > > > > Let me know how we can help further debugging. > > I will try this test with my SD8787 card and get back to you later. My card works fine with a Ricoh controller on x86_64 machine. Of course the power is not cut when I remove the mwifiex_sdio module. I can upgrade my XO-4 to kernel 3.8 if feasible. Please let me know if a HOW-TO doc is available. Thanks, Bing -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
