On 10/18/2011 06:35 PM, Roedel, Joerg wrote: > On Tue, Oct 18, 2011 at 12:23:11PM -0400, Jan Kiszka wrote: > > AMD processors apparently have a bug in the hardware task switching > > support when NPT is enabled. If the task switch triggers a NPF, we can > > get wrong EXITINTINFO along with that fault. On resume, spurious > > exceptions may then be injected into the guest. > > > > We were able to reproduce this bug when our guest triggered #SS and the > > handler were supposed to run over a separate task with not yet touched > > stack pages. > > > > Work around the issue by continuing to emulate task switches even in > > NPT mode. > > > > Signed-off-by: Jan Kiszka <jan.kiszka@xxxxxxxxxxx> > > Acked-by: Joerg Roedel <joerg.roedel@xxxxxxx> > Will there be an erratum published for this bug? Are all processors affected? I'd like to limit this to just the buggy processors, if and when fixed processors become available. -- error compiling committee.c: too many arguments to function -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
