exfat on SD card getting mounted read-only

[Tod Merley]

well does seem to be a common thread:

https://www.google.com/search?q=sd+card+will+mount+only+read+only+fedora+20&oq=sd+card+will+mount+only+read+only+fedora+20&aqs=chrome..69i57.16787j0j7&sourceid=chrome&es_sm=93&ie=UTF-8


 - would love to see what we do find.

Could you post the mount part of your dmesg (in a terminal "dmesg | tail -n
30" and look for a segment similar to the last of this which shows first a
USB flash drive then an SD card using a USB card reader:

[ 2324.410311] usb-storage 4-4.2:1.0: USB Mass Storage device detected
[ 2324.410521] scsi10 : usb-storage 4-4.2:1.0
[ 2325.477674] scsi 10:0:0:0: Direct-Access     Kingston DataTraveler 3.0
PMAP PQ: 0 ANSI: 6
[ 2325.478327] sd 10:0:0:0: Attached scsi generic sg5 type 0
[ 2326.057398] sd 10:0:0:0: [sde] 61440000 512-byte logical blocks: (31.4
GB/29.2 GiB)
[ 2326.063433] sd 10:0:0:0: [sde] Write Protect is off
[ 2326.063445] sd 10:0:0:0: [sde] Mode Sense: 23 00 00 00
[ 2326.069441] sd 10:0:0:0: [sde] No Caching mode page found
[ 2326.069453] sd 10:0:0:0: [sde] Assuming drive cache: write through
[ 2326.105490] sd 10:0:0:0: [sde] No Caching mode page found
[ 2326.105501] sd 10:0:0:0: [sde] Assuming drive cache: write through
[ 2326.163558]  sde: sde1 sde2 sde3 sde4 < sde5 >
[ 2326.197620] sd 10:0:0:0: [sde] No Caching mode page found
[ 2326.197630] sd 10:0:0:0: [sde] Assuming drive cache: write through
[ 2326.197639] sd 10:0:0:0: [sde] Attached SCSI removable disk
[ 2330.331430] EXT4-fs (sde2): mounted filesystem with ordered data mode.
Opts: (null)
[ 2330.342313] EXT4-fs (sde5): mounted filesystem with ordered data mode.
Opts: (null)
[ 2682.408285] sde: detected capacity change from 31457280000 to 0
[ 2687.133326] usb 4-4.2: USB disconnect, device number 6
[42624.370736] sd 9:0:0:0: [sdd] 61407232 512-byte logical blocks: (31.4
GB/29.2 GiB)
[42624.390790] sd 9:0:0:0: [sdd] No Caching mode page found
[42624.390806] sd 9:0:0:0: [sdd] Assuming drive cache: write through
[42624.430844] sd 9:0:0:0: [sdd] No Caching mode page found
[42624.430858] sd 9:0:0:0: [sdd] Assuming drive cache: write through
[42624.440864]  sdd: sdd1

Also it would be interesting to see what happens in a terminal tab where a
"journalctl -f" has been opened and is following what happens as the card
is mounted.



On Mon, Aug 25, 2014 at 3:41 PM, jd1008 <jd1008 at gmail.com> wrote:

>
> On 08/25/2014 01:49 PM, Tod Merley wrote:
>
> > my first guess
> > write protect switch (tab): http://static.commentcamarche.
> net/en.kioskea.net/faq/images/0-hXBUyBSB-t555-1122-callout-s-.png
>
> I tried with the switch in the up and the down position and tried to mount.
> In both cases I am getting:
>
>
> WARN: `/dev/mmcblk0p1' is write-protected, mounting read-only.
>
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