http://bugzilla.novell.com/show_bug.cgi?id=490770
User jbeulich@novell.com added comment
http://bugzilla.novell.com/show_bug.cgi?id=490770#c12
Jan Beulich changed:
What |Removed |Added
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Status|ASSIGNED |NEEDINFO
Info Provider| |pgnet.trash@gmail.com
--- Comment #12 from Jan Beulich 2009-04-09 08:15:23 MDT ---
So from the serial log it is clear that this is the same box that earlier did
have problems even in native using sata_sil24. The kernel workaround to address
this requires that the kernel recognizes the particular PCI bridge used on your
system. Obviously, the DomU cannot know this because it doesn't see that bridge
device. Hence you have to force the same behavior by a (DomU) kernel command
line parameter (which, as much as the workaround, is functional only in recent
kernels - both patches were checked in at the same time): iommu=nodac.
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