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

Aaron Caffrey wifiextender at bitmessage.ch
Wed Feb 25 22:58:06 UTC 2015

Install udisks, udisks2.
Create /etc/polkit-1/rules.d/10-enable-mount.rules

polkit.addRule(function(action, subject) {
    if (action.id == "org.freedesktop.udisks2.filesystem-mount-system"
    && subject.isInGroup("storage")) {
            return polkit.Result.YES;

On 25/02/15 at 11:36am, Csányi Pál wrote:
>I'm running Arch linux on my laptop.
>The laptop has Multi-in-1 card reader.
>I just bought a micro SD card with an adapter so I can it plug in into
>this card reader.
>But the Arch linux system doesn't recognise it so I can't use it.
>I tried with Gparted too without any success:
>I get Gparted error:
>Output/Input error during read on /dev/mmcblk0
>whyle on the virtual console I get error messages:
>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
>However, this same micro SD card has been recognised on MS Windows  system.
>What can I do to solve this problem on my Arch linux system?
>Regards from Pal

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