Am 27.01.2012 14:34, schrieb Joerg Roedel: > On Fri, Jan 27, 2012 at 01:58:38PM +0100, Kevin Wolf wrote: >> Am 25.01.2012 17:00, schrieb Joerg Roedel: > >> I just retried. I use kvm-kmod and kvm.git with HEAD at ff92e9b5 plus >> the tree patches of this series plus a printk to output exit_int_info in >> task_switch_intercept(). I ran taskswitch2 from kvm-unittests and got >> two failures and my VM86 unit test which hung when trying to return from >> VM86. I also ran the kernel that made me aware of the issue initially. >> All debug messages show exit_int_info = 0. > > Okay, you are testing on a K8 which has exactly this bug. As I just > found out it is documented as erratum 701. The good news is that this > only happens on K8 and Fam11h, any later AMD processor doesn't have this > bug. Meh. Unless you give me a newer processor, this doesn't really help me... Doesn't look like there's any way to get a workaround, is there? I guess I'll have to hack it locally and possibly break other guests with the hacked module. Kevin -- 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
