lkml.org 
[lkml]   [2010]   [Mar]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: [PATCH 13/20] KVM: x86 emulator: fix memory access during x86 emulation
    On 03/06/2010 03:53 PM, Stefan Bader wrote:
    > i Avi,
    >
    > we currently try to integrate this patch for an update into a 2.6.32 based
    > system (amongst other kvm updates). But as soon as this patch gets added kvm
    > will die on startup in kvm_leave_lazy_mmu. This has been documented here:
    >
    > https://bugs.edge.launchpad.net/ubuntu/+source/linux/+bug/531823
    >
    > I have placed the backports of your patches, which are currently in linux-next
    > and marked for stable here:
    >
    > git://kernel.ubuntu.com/smb/linux-2.6.32.y kvm
    >
    > I have tested the failure with a version that got only the following patches in:
    > KVM: x86 emulator: Add Virtual-8086 mode of emulation
    > KVM: x86 emulator: fix memory access during x86 emulation
    > KVM: x86 emulator: Check IOPL level during io instruction emulation
    > KVM: x86 emulator: Fix popf emulation
    > KVM: x86 emulator: Check CPL level during privilege instruction emulation
    >
    > and also with a version that takes all stable patches up to the bad one:
    > KVM: VMX: Trap and invalid MWAIT/MONITOR instruction
    > KVM: x86 emulator: Add group8 instruction decoding
    > KVM: x86 emulator: Add group9 instruction decoding
    > KVM: x86 emulator: Add Virtual-8086 mode of emulation
    > KVM: x86 emulator: fix memory access during x86 emulation
    >
    > But as soon as the fix for memory access gets added, the bug will occur. Would
    > you have an idea what might be causing this?
    >

    Does the same guest, using the same qemu-kvm, work on kvm.git or upstream?

    --
    error compiling committee.c: too many arguments to function



    \
     
     \ /
      Last update: 2010-03-07 11:11    [W:0.023 / U:58.452 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site