[Xen-devel] Re: [Xen-users] Guest OS crash!

[Anthony Liguori <aliguori@xxxxxxxxxx>]

yang jianguo wrote:

> Yes,i have a VT hardware.
> My key trouble is the error when i type "xend start"The error:
> ERROR:do_evtchn_op:HYPERVISOR_event_channel_op failed:-1

Ok, I've seen this error before with VT. There's something going on with
domains not fully being destroyed. I know Khoa is looking into something
similiar. Perhaps he's had some luck?

Regards,

Anthony Liguori

> */Anthony Liguori <aliguori@xxxxxxxxxx>/* writon：
>
>     yang jianguo wrote:
>
>     > The ERROR:do_evtchn_op:HYPERVISOR_event_channel_op
>     failed:-1still can
>     > not soluted.
>     > I type xend start 2 times,and can run a guest os "FreeDOS",The
>     problem
>     > is after about 1 minutes the FreeDOS stopped, i can not input
>     through
>     > kerborad. But ctrl+alt+2 is available.
>
>     Are you trying to boot freedos directly?
>
>     If so, that's not going to work (unless you have VT
>     hardware--which you
>     would know if you did). Xen does para-virtualization which means that
>     the guest operating system must be modified to run under Xen.
>
>     You should have good luck with using something like qemu within a
>     para-virtualized guest if you want to run FreeDOS though.
>
>     Regards,
>
>     Anthony Liguori
>
>     > If destroy the guestOS, the domain0 stopped just like guestOS, I
>     must
>     > reset the machine and rebuild xen,otherwise the sys will became too
>     > slow..
>     > What should i do?
>     >
>     >
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