http://bugs.winehq.org/show_bug.cgi?id=23286
--- Comment #7 from 3vi1 winehq.org@eternaldusk.com 2010-08-09 17:55:10 --- (In reply to comment #6)
FWIW, I was using ZFS when I saw this problem.
Interesting. Hmmm... so I may see it even with Btrfs, if it happens to be a glitch that's affecting all non EXT2/3 systems.
BTW: Not sure why I put EXT3 up in the first post - should have been EXT4 but I guess old typing habits die hard.