Comment 22 for bug 21852

It looks like this bug is related to the following upstream kernel issue in the
ahci driver:

http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=c0b34ad2956036cdba87792d6c46d8f491539df1;hp=9309049544935f804b745aa4dea043fb39b2bf2a

The given patch should solve it, as reported by a happy user in this thread:
http://lkml.org/lkml/2005/9/25/125

I'll try to patch my kernel here and see if it works.