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Hello,
I am currently having trouble mounting external devices with Gnome3. The
corresponding Arch systems are up-to-date and free of old sysvinit
components.
Issue #1: Vfat-formated SD-cards are mounted as read-only into
/run/media/$user/$device when they are plugged in. I am able to mount
and write to them without trouble via console, e.g. with mout dev/sdxx
/mnt.
The corresponding dmesg output when pluging in and auto-mounting a card:
\begin{code}
[ 82.424085] usb 2-1.4: new high-speed USB device number 5 using
ehci_hcd
[ 82.577480] scsi7 : usb-storage 2-1.4:1.0
[ 82.577631] usbcore: registered new interface driver ums-realtek
[ 83.580243] scsi 7:0:0:0: Direct-Access Generic- Multi-Card
1.00 PQ: 0 ANSI: 0 CCS
[ 84.340304] sd 7:0:0:0: [sdc] 3862528 512-byte logical blocks:
(1.97 GB/1.84 GiB)
[ 84.341156] sd 7:0:0:0: [sdc] Write Protect is off
[ 84.341162] sd 7:0:0:0: [sdc] Mode Sense: 03 00 00 00
[ 84.342015] sd 7:0:0:0: [sdc] No Caching mode page present
[ 84.342023] sd 7:0:0:0: [sdc] Assuming drive cache: write through
[ 84.345736] sd 7:0:0:0: [sdc] No Caching mode page present
[ 84.345742] sd 7:0:0:0: [sdc] Assuming drive cache: write through
[ 84.346998] sdc: sdc1
[ 84.349972] sd 7:0:0:0: [sdc] No Caching mode page present
[ 84.349978] sd 7:0:0:0: [sdc] Assuming drive cache: write through
[ 84.349982] sd 7:0:0:0: [sdc] Attached SCSI removable disk
[ 85.036758] FAT-fs (sdc1): error, fat_get_cluster: invalid cluster
chain (i_pos 0)
[ 85.036765] FAT-fs (sdc1): Filesystem has been set read-only
\end{code}
The last 2 lines are not present when mounting the device via console
(s. above). The interesting thing is that they are also mounted as
writable, when using Gnome in fallback mode.
Issue #2: Some (but obviously only some) USB sticks/external drives
are auto-mounted as writable, but for root only. They can be mounted
via console (mnt) without trouble, but it makes no difference if
fallback mode is used or not or if ext4 or something else.
As far as I understand everything right, Udisks2 performs
mounting/unmounting tasks in Gnome right now, but I could not find any
instructions how to configure it properly but postings articles about
that most of the stuff in Udisks2 is hard-coded and the only way to
change it is patching the source and re-compiling it.
Does anyone in this list have similar issues and what can I do besides
telling people I am supporting to use the console? It is also not
possible to deactivate auto-mounting any more, at least not via
gnome-session-properties, so a script wouldn't change the situation
that much.
Thanks,
Jakob
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