Re: exfat on SD card getting mounted read-only

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On 08/26/2014 09:19 PM, Chris Murphy wrote:
On Aug 25, 2014, at 1:15 PM, jd1008 <jd1008@xxxxxxxxx> wrote:
/dev/mmcblk
What kernel version? There have been a pile of mmc related patches to the kernel the last few months with more on the way. Thing is, mkfs.exfat and your camera can obviously write to the card. So it's not write protected or that wouldn't work. Why it can't be mounted read/write sounds like some obscure exfat bug. What happens if you format it ext4 or btrfs? Does it mount read/write then? But no seriously, format it in your camera in the end if you're planning on actually using it with the camera to take photos. Chris Murphy
Hi Chris,
I found some cycles to try that out, though
I knew full well it would lead nowhere, but still
wanted to show you.
I backed up the sd card and then inserted it into
the usb adapter and reformatted it as ext4 and
inserted it into the sdcard slot in the laptop.
dmesg shows:
[ 2123.164767] sdc: detected capacity change from 15931539456 to 0
[ 2137.362810] mmc0: new high speed SDHC card at address e624
[ 2137.589888] mmcblk0: mmc0:e624 SU16G 14.8 GiB (ro) <<<<<<<< Look at this!!!
[ 2137.601275]  mmcblk0: p1
[ 2137.918757] EXT4-fs (mmcblk0p1): mounted filesystem with ordered data mode. Opts: (null)




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