Messages in this thread | | | Date | Fri, 10 Jun 2011 15:55:17 +0200 | From | Igor Mammedov <> | Subject | Re: [Xen-devel] Possible shadow bug |
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On 06/10/2011 12:10 PM, Tim Deegan wrote: > 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, Thank you very much! We were missing that cs and it solved problem.
-- Thanks, Igor
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