[arch-general] Arch linux doesn't recognises micro SD card

[Aaron Caffrey]

On 26/02/15 at 07:31pm, Jens Adam wrote:
>Wed, 25 Feb 2015 11:36:59 +0100
>Csányi Pál <csanyipal at gmail.com>:
>
>> mmcblk0: error -84 transferring data, sector 7, nr 1, cmd response
>> 0x900, card status 0x0
>> Buffer I/O error on dev mmcblk0, logical block 0, async page read
>
>This clearly indicates a hardware/kernel problem, so I don't know why
>people are suggesting to paste random config snippets that won't solve
>anything.
>
>Simple googling will produce dozens of similar problems, most without
>solution.
>
>My guess: Your card reader (which one? lspci/lsusb/dmesg? laptop type and
>age?) or its firmware is simply too old to recognize the card.
>See https://en.wikipedia.org/wiki/Secure_Digital#Compatibility
>
>--byte

Because I had exactly the same issue with different kernels, one
kernel will read my micro sd card and others wont. The solution which I
posted has helped me long time ago, that is why I shared it.

What is the purpose of this mailing list if we can't help each other ?