[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [BUG] XEN domU crash when PV grub chainloads 32-bit domU grub
On Tue, 2015-09-22 at 08:22 +0100, Andrew Cooper wrote: > > The segment registers indicate that the domU is executing in ring1 which > makes it a 32bit guest (also why 32bit words are used for the stack > dump), but r10 through r14 have 64bit values in. r10..r14 are not visible to 32-bit guests but it appears that this dumping function in Xen doesn't check for that and omit printing them. I suspect that if these were zeroed or poisoned upon domain creation you would see those values unmodified here. > It does appear to be an intermittent bug in 32bit grub-xen in the > eventual domU, but I have no help to offer with respect to debugging > grub-xen further. Me neither. I did suggest to Andreas that he also took it to grub-devel. I'll reply to the original with a full quote and copy that list. Ian. _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
|
Lists.xenproject.org is hosted with RackSpace, monitoring our |