The search link I provided probably has the story. This may well be a bug.
The "follow" of the journalctl I suggested would likely tell much more.
Searching the journal with such as " journalctl | grep e624 " or perhaps " journalctl | grep mmc0 " might turn up additional hints (or other hints from the dmesg or search results).
Also a Google search on your very specific card and F-20, include your card reader, look for "keys" along the way.
On Mon, Aug 25, 2014 at 6:55 PM, jd1008 <jd1008@xxxxxxxxx> wrote:
Here is what happens:
On 08/25/2014 05:58 PM, Tod Merley wrote:
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.
[20673.251583] mmc0: card e624 removed
[20689.837805] mmc0: new high speed SDHC card at address e624
[20689.839545] mmcblk0: mmc0:e624 SU16G 14.8 GiB (ro)
[20689.870081] mmcblk0: p1
However, dmesg does not show any FS type info, but I had formatted as exfat, and is automounted upon insertion:
# mount
...
/dev/mmcblk0p1 on /run/media/jd/3D90-BEAB type fuseblk (ro,nosuid,nodev,relatime,user_id=0,group_id=0,allow_other,blksize=4096)
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