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Re: [Xen-devel] pvops dom0 work roadmap

To: Jeremy Fitzhardinge <jeremy@xxxxxxxx>
Subject: Re: [Xen-devel] pvops dom0 work roadmap
From: M A Young <m.a.young@xxxxxxxxxxxx>
Date: Thu, 20 Aug 2009 11:43:41 +0100 (BST)
Cc: Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>
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On Wed, 19 Aug 2009, Jeremy Fitzhardinge wrote:

(XEN) *** Serial input -> DOM0 (type 'CTRL-a' three times to switch
input to Xen)
(XEN) Freed 116kB init memory.
(XEN) d0:v0: unhandled page fault (ec=0000)
(XEN) Pagetable walk from 00000014:
(XEN)  L3[0x000] = 000000001bc03001 00001c03
(XEN)  L2[0x000] = 0000000000000000 ffffffff
(XEN) domain_crash_sync called from entry.S (ff1b1cbe)
(XEN) Domain 0 (vcpu#0) crashed on cpu#0:
(XEN) ----[ Xen-3.4.1  x86_32p  debug=n  Not tainted ]----
(XEN) CPU:    0
(XEN) EIP:    e019:[<c0aaa9d0>]

What does this correspond to?

(gdb) x/i 0xc0aaa9d0
0xc0aaa9d0 <xen_init_irq_ops+23>:    mov    %gs:0x14,%eax

Ah, right, stackprotector.  Please try the patches below (or try current
rebase/master).

That doesn't help. Perhaps this is because xen_init_irq_ops is in irq.c, not enlighten.c though I am at a bit of a loss why stackprotector should care about that code segment anyway.

        Michael Young

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