WARNING - OLD ARCHIVES

Bastian Blank <bastian@xxxxxxxxxxxx> · 2007年8月25日 18:24:04 +0200

On Sat, Aug 25, 2007 at 05:46:18PM +0200, Bastian Blank wrote:
> Any suggestions? It seems that some parts of the kernel wants to mess
> with CR4. Is it the MCE support?
After disabling the MCE support, the kernel crashs:
| (XEN) domain_crash_sync called from entry.S (ff16f829)
| (XEN) Domain 1 (vcpu#0) crashed on cpu#0:
| (XEN) ----[ Xen-3.1.0 x86_32p debug=n Not tainted ]----
| (XEN) CPU: 0
| (XEN) EIP: 0061:[<c0107a20>]
| (XEN) EFLAGS: 00010286 CONTEXT: guest
| (XEN) eax: 00010061 ebx: 00010061 ecx: c027ac8c edx: 0000000d
| (XEN) esi: ffffffff edi: 00000000 ebp: 00000020 esp: c004000c
| (XEN) cr0: 80050033 cr4: 000006f0 cr3: 0bd89000 cr2: 00010061
| (XEN) ds: 007b es: 007b fs: 00d8 gs: 0000 ss: e021 cs: 0061
| (XEN) Guest stack trace from esp=c004000c:
| (XEN) c027abd0 00010061 00010086 00000002 c0107a20 00010061 00010086 
c027abd0
| (XEN) 00010061 00010086 00000002 c0107a20 00010061 00010086 c027abd0 
00010061
| (XEN) 00010086 00000002 c0107a20 00010061 00010086 c027abd0 00010061 
00010086
| (XEN) 00000002 c0107a20 00010061 00010086 c027abd0 00010061 00010086 
00000002
| (XEN) c0107a20 00010061 00010086 c027abd0 00010061 00010086 00000002 
c0107a20
| (XEN) 00010061 00010086 c027abd0 00010061 00010086 00000002 c0107a20 
00010061
| (XEN) 00010086 c027abd0 00010061 00010086 00000002 c0107a20 00010061 
00010086
| (XEN) c027abd0 00010061 00010086 00000002 c0107a20 00010061 00010086 
c027abd0
| (XEN) 00010061 00010086 00000002 c0107a20 00010061 00010086 c027abd0 
00010061
| (XEN) 00010086 00000002 c0107a20 00010061 00010086 c027abd0 00010061 
00010086
| (XEN) 00000002 c0107a20 00010061 00010086 c027abd0 00010061 00010086 
00000002
| (XEN) c0107a20 00010061 00010086 c027abd0 00010061 00010086 00000002 
c0107a20
| (XEN) 00010061 00010086 c027abd0 00010061 00010086 00000002 c0107a20 
00010061
| (XEN) 00010086 c027abd0 00010061 00010086 00000002 c0107a20 00010061 
00010086
| (XEN) c027abd0 00010061 00010086 00000002 c0107a20 00010061 00010086 
c027abd0
| (XEN) 00010061 00010086 00000002 c0107a20 00010061 00010086 c027abd0 
00010061
| (XEN) 00010086 00000002 c0107a20 00010061 00010086 c027abd0 00010061 
00010086
| (XEN) 00000002 c0107a20 00010061 00010086 c027abd0 00010061 00010086 
00000002
| (XEN) c0107a20 00010061 00010086 c027abd0 00010061 00010086 00000002 
c0107a20
| (XEN) 00010061 00010086 c027abd0 00010061 00010086 00000002 c0107a20 
00010061
There seems to be two code adresses in the trace:
| c027abd0 T page_fault
| c0107a20 T invalid_op
which are called in a loop.
Bastian
-- 
I'm a soldier, not a diplomat. I can only tell the truth.
 -- Kirk, "Errand of Mercy", stardate 3198.9
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Subject:	Re: [Xen-users] Linux 2.3.23-rc3 on Xen 3.1 fails in xen_write_cr4
From:	Bastian Blank <bastian@xxxxxxxxxxxx>
Date:	2007年8月25日 18:24:04 +0200
Delivery-date:	2007年8月25日 09:24:40 -0700
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Re: [Xen-users] Linux 2.3.23-rc3 on Xen 3.1 fails in xen_write_cr4