[arch-general] Udisks2: auto-mounts as read-only device/with wrong permissions

[LANGLOIS Olivier PIS -EXT]

> [   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.
>
Here is another interesting point concerning your observation in the difference of mount behavior:

From

fs/fat/misc.c in kernel source code:

/*
 * fat_fs_error reports a file system problem that might indicate fa data
 * corruption/inconsistency. Depending on 'errors' mount option the
 * panic() is called, or error message is printed FAT and nothing is done,
 * or filesystem is remounted read-only (default behavior).
 * In case the file system is remounted read-only, it can be made writable
 * again by remounting it.
 */


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