[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH][SVM] fix guest hang
Good catch. Actually I think it is better to clear interrupt_shadow in update_guest_eip. I did this, plus a few other cleanups as c/s 16398 in the unstable staging tree. Please take a look and make sure I didn't screw up. Thanks, Keir On 20/11/07 12:56, "Christoph Egger" <Christoph.Egger@xxxxxxx> wrote: > > Hi Keir! > > Attached patch fixes a boot hang we have seen with SLES 9.3 and FreeBSD HVM > guests. Both are 32bit guests and run with a 64bit hypervisor. > > The patch does the following: > 1) Cache current vcpu in svm_vmexit_do_hlt > 2) Check for interrupt shadow in svm_vmexit_do_hlt and handle it like a > pending interrupt > > The boot hang happens when the hlt is intercepted and the interrupt shadow > field in vmcb is set, then the guest waits forever for the next timer > interrupt. > > Change 1) is a cleanup, 2) is the fix > > Signed-off-by: Christoph Egger <Christoph.Egger@xxxxxxx> > _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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