At 11:01 +0100 on 10 Jun (1307703699), Tim Deegan wrote: > Actually, looking at the disassembly you posted, it looks more like it > might be an emulator bug in Xen; if Xen finds itself emulating the IMUL > instruction and either gets the logic wrong or does the memory access > wrong, it could cause that failure. And one reason that Xen emulates > instructions is if the memory operand is on a pagetable that's shadowed > (which might be a page that was recently a pagetable). > > ISTR that even though the RHEL xen reports a 3.0.x version it has quite > a lot of backports in it. Does it have this patch? > http://hg.uk.xensource.com/xen-3.1-testing.hg/rev/e8fca4c42d05 Oops, that URL doesn't work; I meant this: http://xenbits.xen.org/xen-3.1-testing.hg/rev/e8fca4c42d05 Tim. -- Tim Deegan <Tim.Deegan@xxxxxxxxxx> Principal Software Engineer, Xen Platform Team Citrix Systems UK Ltd. (Company #02937203, SL9 0BG) -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>