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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: Wed, 19 Aug 2009 16:27:45 +0100 (BST)
Cc: Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>
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On Tue, 18 Aug 2009, Jeremy Fitzhardinge wrote:

   * make sure rebase/master is fairly functional and somewhat stable
   * rename rebase/* to xen/*
   * use it as the baseline dom0 and domU kernel in xen-unstable

I have had problems booting rebase/master on i686 for some time now. The most recent crash looks different, and might be a STACKPROTECTOR issue (which I just turned back on). The log ends

(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>]
(XEN) EFLAGS: 00000282   EM: 1   CONTEXT: pv guest
(XEN) eax: 00000000   ebx: 00000000   ecx: 00000007   edx: 00000000
(XEN) esi: c0ae739c   edi: c0a147b8   ebp: c0aa1fd4   esp: c0aa1fb8
(XEN) cr0: 8005003b   cr4: 000006f0   cr3: 1bc02000   cr2: 00000014
(XEN) ds: e021   es: e021   fs: e021   gs: e021   ss: e021   cs: e019
(XEN) Guest stack trace from esp=c0aa1fb8:
(XEN) 00000000 c0aaa9d0 0001e019 00010082 00000000 c0ae739c c0a1492c c0aa1ffc(XEN) c0aa974f 00000000 00000000 00000000 00000000 00000000 00000000 c1c01000(XEN) 00000000 00000000 c0834676 c083467e c0aa9f32 c04053ad c04056bf c04059c2(XEN) c0405bf1 c0405c95 c0405f6b c0405fec c04062c2 c04063e6 c0406a1f c0aaaa82(XEN) c0aaaa8a c0834728 c0834828 c0834859 c0408e6c c0408e7e c0408f07 c04090fc(XEN) c0409141 c0409208 c0409767 c0409ad3 c0409b18 c0409b2a c040a156 c040a79f(XEN) c040a7c6 c040acc2 c0aab563 c0aab60b c084093f c0840a1d c0840c6b c040db7f(XEN) c0840fda c0841079 c0841099 c0aabcfc c0aabd04 c040e8f5 c040eb1e c0aac573(XEN) c0aad580 c0aad588 c04103b7 c04103c5 c041044b c0410459 c0aaf678 c0aaf68b(XEN) c041174d c04117ea c0411b45 c0411bfe c0411c50 c0411c76 c0411f2f c041218d(XEN) c04124c5 c04124f1 c0413760 c0413bab c0413e46 c0413e50 c0414649 c0414651(XEN) c0414659 c041477f c0414807 c0414816 c0414824 c041488f c083508f c0835218(XEN) c0835279 c0835294 c0835940 c0835a5c c0835b28 c0835cef c0aafe60 c0aafe68(XEN) c0aafe7a c0aafe82 c0aafe8a c0aafe92 c0aafea4 c0aafeac c0aafed2 c0aafeda(XEN) c0aaff4f c0aaff57 c0835f91 c083624a c08362e4 c0836876 c0836911 c083695c(XEN) c0836a56 c0836a5b c0836b5e c0836ba0 c0836ba5 c0836baa c0836bc4 c0836cbb(XEN) c0836d37 c0836de9 c0836df7 c0836e1c c0836e26 c0836e42 c0836eb1 c0836ebb(XEN) c0836f1e c0836f23 c0836f28 c0836f2d c0836f32 c0836f51 c0836f5d c0836f7e(XEN) c0836f87 c0836f90 c083708e c0837093 c08370b2 c08370e2 c0837152 c08371a9(XEN) c08371ae c08373bd c0837428 c08374b8 c08374c4 c0837593 c08375a4 c083769d(XEN) Domain 0 crashed: rebooting machine in 5 seconds.

        Michael Young

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