Did you see this URL? It would appear that you aren't alone.
http://forums.parallels.com/showthread.php?t=10926
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D. Hageman <dhag...@dracken.com>
Dracken Technology, Inc. http://www.dracken.com/
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Using qemu or vmware or virtualbox to see if the problem is just with parallels
Moving the linux /boot partition to the beginning of the drive using a
partitioning utility.
His Disk0 having linux in UNTITLED, it seems:
"
Biko:~/Documents/Parallels sck$ diskutil list disk0
/dev/disk0
#: type name size identifier
0: GUID_partition_scheme *186.3 GB disk0
1: EFI 200.0 MB disk0s1
2: Apple_HFS Biko 131.0 GB disk0s2
3: Microsoft Basic Data UNTITLED 15.0 GB disk0s3
4: Microsoft Basic Data Windows_XP 40.0 GB disk0s4
"
What drive holds his Steam account? Oh well.