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Re: [Xen-devel] domU can't start, Non-priv warnings

To: David F Barrera <dfbp@xxxxxxxxxx>
Subject: Re: [Xen-devel] domU can't start, Non-priv warnings
From: Andrew Theurer <habanero@xxxxxxxxxx>
Date: Tue, 16 Aug 2005 16:24:32 -0500
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David F Barrera wrote:

I was able to boot domU on 3 EMT64T machines, SLES 9 SP2 based.

I seem to have problems on that changeset:

(XEN) (file=traps.c, line=880) Non-priv domain attempted RDMSR(00000000c0000080. (XEN) DOM2: (file=mm.c, line=461) Non-privileged attempt to map I/O space 000000
(XEN) Domain 2 (vcpu#0) crashed on cpu#3:
(XEN) CPU:    3
(XEN) EIP:    e033:[<ffffffff8011ee11>] ???
(XEN) EFLAGS: 0000000000000282
(XEN) rax: 00000000ffffffea rbx: ffffffffff578000 rcx: ffffffff8011ee0d r0 (XEN) rsi: 0000000000000001 rdi: ffffffff80599e90 rbp: 8000000000000067 r8 (XEN) r8: 0000000000000100 r9: 0000000000020000 r10: 0000000000007ff0 r6 (XEN) r12: ffff880001703fd0 r13: ffff880001704bc0 r14: 8000000000000067 r0
(XEN) Guest stack trace from rsp=ffffffff80599e58:
(XEN) ffffffff8011ee0d 0000000000000206 ffffffff8011ee11 000000010000e030 00 (XEN) 8000000000000067 0000000000fc1000 ffffffff8011c91a 0000000000000000 00 (XEN) ffffffff805c21fe 0000000000000e00 ffffffff805cab05 0000000000001000 00 (XEN) ffffffff805c2233 0000000000000e00 ffffffff805c10a5 0000000004a93830 ff (XEN) ffffffff80103000 ffffffff0000000f 0000000007020800 ffffffff8047cb00 ff (XEN) ffffffff805ba558 ffffffff80537c40 ffffffff805ba193 80108e0000100038 00 (XEN) 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00

changeset:   6192:3d187585c1415fbb14cb285cc71e0ff0faf81e67
tag:         tip
user:        kaf24@xxxxxxxxxxxxxxxxxxxx
date:        Tue Aug 16 06:20:47 2005
summary:     Use a SWIOTLB to use pre-reserved bounce buffers for high

On Tue, 2005-08-16 at 14:19 -0500, Andrew Theurer wrote:
Can't seem to fully boot a domU on either EM64T or Opteron with x86_64 xen-unstable. Both systems' report this from xen:

(XEN) (file=traps.c, line=872) Non-priv domain attempted WRMSR(00000000c0000100. (XEN) (file=traps.c, line=872) Non-priv domain attempted WRMSR(00000000c0000102. (XEN) (file=traps.c, line=880) Non-priv domain attempted RDMSR(00000000c0000080.

They boot partially, ending with:

xen_mem: Initialising balloon driver.
Grant table initialized
IA32 emulation $Id: sys_ia32.c,v 1.32 2002/03/24 13:02:28 ak Exp $
audit: initializing netlink socket (disabled)
audit(1124251914.348:0): initialized
VFS: Disk quotas dquot_6.5.1
Dquot-cache hash table entries: 512 (order 0, 4096 bytes)

This is with the default kernel configs xen-unstable provides. NX is enabled on the EM64T. I could not find a similar BIOS option for Opteron. Even through they are "stuck", cpu time for these domains increments steadily. Any ideas?


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