http://bugs.winehq.org/show_bug.cgi?id=26944
Ken Sharp kennybobs@o2.co.uk changed:
What |Removed |Added ---------------------------------------------------------------------------- Status|REOPENED |NEW
--- Comment #5 from Ken Sharp kennybobs@o2.co.uk 2012-07-31 18:00:14 CDT --- This occurs a LOT more often when the hard disk utilisation is high (such as during partition to partition copies or when memory is being swapped out).
I'm not sure what would cause this but it certainly seems relevant.