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Re: [Xen-devel] Switching to user mode from domU kernel

To: Trammell Hudson <hudson@xxxxxxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx>
From: Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
Date: Tue, 02 Oct 2007 06:33:24 +0100
Delivery-date: Mon, 01 Oct 2007 22:29:59 -0700
List-id: Xen developer discussion <xen-devel.lists.xensource.com>
Thread-index: AcgEtcAv/njZu3CoEdyFZQAWy6hiGQ==
Thread-topic: [Xen-devel] Switching to user mode from domU kernel

On 1/10/07 19:43, "Trammell Hudson" <hudson@xxxxxxxxxxxxxx> wrote:

> If I do not set IF in RFLAGS, Xen crashes when it tries to handle
> a GPF:
> 
> (XEN) traps.c:1587: GPF (001c): ffff830000165555 -> ffff83000016556b
> (XEN) ----[ Xen-3.0.4-1  x86_64  debug=n  Not tainted ]----
> (XEN) CPU:    0
> (XEN) RIP:    e010:[<ffff83000016364b>] restore_all_xen+0x1b/0x20

Did you make this happen with an entirely unmodified Xen? Do you still have
the xen-syms file that relates to this crash?

 -- Keir



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- Re: [Xen-devel] Switching to user mode from domU kernel
  - From: Trammell Hudson

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