[Xen-devel] Re: Resend: setting breakpoints around hypercalls in a domU causes dom0 to lockup

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

How do you mean? Replacing hypercall int instruction with int3? I would 
expect that to work.
 -- Keir


On 31 Dec 2005, at 04:37, Kip Macy wrote:

> Any thoughts on setting breakpoints around hypercalls?
>
> ---------- Forwarded message ----------
> From: Kip Macy <kip.macy@xxxxxxxxx >
> Date: Dec 26, 2005 12:14 AM
> Subject: setting breakpoints around hypercalls in a domU causes dom0 
> to lockup
> To: xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx >, Keir Fraser 
> <Keir.Fraser@xxxxxxxxxxxx>
> Stepping through hypercalls (at the source level, not using the trace 
> trap) causes my dom0 to lockup. Might xen be receiving the int3 and 
> not realize whom to forward to?
>                                      -Kip
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