My kernel is 2.6.38.8, and WiFi is AR6103. I see exactly error message as: [ 208.327200] sdhci [sdhci_irq()]: *** mmc0 got interrupt: 0x00000003 [ 208.327226] mmc0: req done (CMD53): 0: 00001000 00000000 00000000 00000000 [ 208.327227] mmc0: 4 bytes transferred: 0 [ 208.327235] mmc0: starting CMD53 arg 1408a004 flags 000001b5 [ 208.327238] mmc0: blksz 4 blocks 1 flags 00000200 tsac 1000 ms nsac 0 [ 208.327260] sdhci [sdhci_irq()]: *** mmc0 got interrupt: 0x00000003 [ 208.327284] mmc0: req done (CMD53): 0: 00001000 00000000 00000000 00000000 [ 208.327286] mmc0: 4 bytes transferred: 0 [ 208.327295] mmc0: starting CMD53 arg 941ff804 flags 000001b5 [ 208.327298] mmc0: blksz 4 blocks 1 flags 00000100 tsac 1000 ms nsac 0 [ 208.327320] sdhci [sdhci_irq()]: *** mmc0 got interrupt: 0x00208003 [ 208.327357] mmc0: req done (CMD53): 0: 00001000 00000000 00000000 00000000 [ 208.327358] mmc0: 0 bytes transferred: -84 [ 208.327362] AR6000: SDIO bus operation failed! MMC stack returned : -84 [ 208.327368] Unable to send the BMI data to the device [ 208.327370] Unable to write to the device Any help is appreciated! -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html