exfat on SD card getting mounted read-only

[Tod Merley]

my first guess:

write protect switch (tab):

http://static.commentcamarche.net/en.kioskea.net/faq/images/0-hXBUyBSB-t555-1122-callout-s-.png



On Mon, Aug 25, 2014 at 12:15 PM, jd1008 <jd1008 at gmail.com> wrote:

>
> My flash card slot in the laptop is (per lspci):
> 03:01.2 SD Host controller: Ricoh Co Ltd R5C822 SD/SDIO/MMC/MS/MSPro Host
> Adapter (rev 21)
>
> I insert into it a SanDisk 16GB Extreme SD card. This card is not marked
> as a secure card.
> At least, it does not say so on the card.
>
> It gets automounted read only as:
>
> /dev/mmcblk0p1 on /run/media/jd/3D90-BEAB type fuseblk
> (ro,nosuid,nodev,relatime,user_id=0,group_id=0,allow_other,blksize=4096)
>
> # umount -f /dev/mmcblk0p1
>
> # /sbin/mount.exfat -o rw /dev/mmcblk0p1 /mmcblk0p1
> FUSE exfat 1.0.1
> WARN: `/dev/mmcblk0p1' is write-protected, mounting read-only.
>
> So, what is causing it to be mountable read-only, and not get mounted
> read/write?
>
> PS: If I insert the card into a USB flash card adapter, I can then mount
> it RW.
>
>
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