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With thunar open and famd running I can't unmount the crypted partition (which is part of my internal hd, not external), manually or with a script, as long as there is a window of thunar open, regardless of which directory the window is at. The error message is the classic "Device is busy".

I can mount and unmount the same partition with konqueror or nautilus without a glitch, with or without famd running.

After stopping famd is possible to unmount the partition, so it must be a problem of interaction between thunar and famd.

Reproducible: Always

Steps to Reproduce:
1.Start famd
2.Open Thunar
3.Mount a luks crypted partition
4.Try to unmount it

Actual Results:  
Nothing, the partition is still mounted (as shown by df and by actually browsing it)

Expected Results:  
Unmount the partition