Well, I got into a loop on Linux by changing the permission of the current file to read-only ... once, but could not repeat it. All other times the popup showed twice only, and when oked then went away until the next timeout. @kugel- could not make it fail at all. Maybe there is a race condition somewhere or some other condition is needed.

While it was hung I attached gdb which showed it was in mainloop poll with document_save up the backtrace, all as expected. But it was too hard to try to trace when the mainloop returned.

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