I am marking this bug as solved since now my Sansa is working both in Nautilus
and Rhythmbox :D
I guess it was related to this bug:
https://bugs.launchpad.net/ubuntu/+source/gvfs/+bug/826806
** Changed in: rhythmbox (Ubuntu)
Status: New = Fix Released
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You received this bug
This bug has been reported on the Ubuntu laptop testing tracker.
A list of all reports related to this bug can be found here:
http://laptop.qa.ubuntu.com/qatracker/reports/bugs/969745
** Tags added: laptop-testing
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You received this bug notification because you are a member of Ubuntu
Desktop
** Summary changed:
- Rhythmbox Devices: Sansa Express with microSD is displayed but miscroSD
disappears when selected Sansa Express
+ Rhythmbox Devices: Sansa Express with microSD is displayed but miscroSD
disappears when selecting Sansa Express
** Description changed:
+ lsb_release -rd
+