Ok - that bug is tempdb only it seems.
Can you run DBCC CHECKDB (yourdb) WITH ALL_ERRORMSGS, NO_INFOMSGS and post any results?
[Edit: Hmm - see that you don't get DBCC errors - in that case it must be a bug and you'll need to call into Product Support to help you out].
Thanks
Paul Randal
CEO, SQLskills.com: Check out SQLskills online training!
Blog:www.SQLskills.com/blogs/paul Twitter: @PaulRandal
SQL MVP, Microsoft RD, Contributing Editor of TechNet Magazine
Author of DBCC CHECKDB/repair (and other Storage Engine) code of SQL Server 2005