Hi Daniel, > >> > 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" > > No. That's strange. "mwifiex_sdio mmc0:0001:1: rx_pending=0, tx_pending=0, cmd_pending=-1" is from mwifiex_remove_card(). > > > 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. > > Under this kernel, I'm not sure if the power is or isn't being cut at > this point. I don't think this is relevant though; regular "we quite regularly will power down the wireless card when it is not being actively used..." I interpreted this statement as "the power to the card is being cut while inactive". mwifiex_remove_card() is called seems agrees with it. Perhaps I'm missing something here. > insmod/rmmod cycles work fine, the problem only appears when tearing > down the interface while a scan is in progress. Could you add some debug logs in the tear-down path to show where exactly it gets stuck? > > > I can upgrade my XO-4 to kernel 3.8 if feasible. Please let me know if a HOW-TO doc is available. > > You will need a serial console connected, as there is no output on the > LCD at this time when running the upstream kernel. > > http://wiki.laptop.org/go/User:DanielDrake/Run_upstream_kernel_on_XO-4 Will do. Thanks, Bing > > Daniel -- 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
