Thu, 14 Jan 2010 20:42:07 +0900, Masaki Kanno wrote:
>Thu, 14 Jan 2010 11:26:12 +0000, Keir Fraser wrote:
>
>>On 14/01/2010 11:07, "Masaki Kanno" <kanno.masaki@xxxxxxxxxxxxxx> wrote:
>>
>>> Hi Jan,
>>>
>>> Thu, 14 Jan 2010 09:05:32 +0000, "Jan Beulich" wrote:
>>>
>>>> You forgot to tell us in what way the boot fails.
>>>
>>> Oops! Could you refer to the following about a serial log when the
>>> problem occurred?
>>>
>>> http://lists.xensource.com/archives/html/xen-devel/2010-01/msg00338.html
>>>
>>> Accurately, the problem is not "Domain-0 kernel boot fails" but "Domain-
>>> 0 kernel boot does not start".
>>
>>I don't know how much experience with kernel issues you have, but I would
>>take the EIP from the CPU0 guest dump in that log file (the EIP is c01edc67)
>>and look at that code address in a disassembly of the dom0 kernel image
>>(objdump -d vmlinux). Seeing what function you're in would be a good start.
>>'addr2line -e vmlinux c01edc67' would also be useful: tells you the source
>>file and line number.
>>
I was not able to have enough working times to investigate the
problem today. The problem still occurs with xen-4.0.0-rc2-pre.
Attached the serial log. EIP:c01ed6c7 is the following function.
c01ed6b0 <read_current_timer>:
c01ed6b0: 81 3d 54 1f 37 c0 80 cmpl $0xc01ed680,0xc0371f54
c01ed6b7: d6 1e c0
c01ed6ba: 89 c1 mov %eax,%ecx
c01ed6bc: b8 ff ff ff ff mov $0xffffffff,%eax
c01ed6c1: 74 02 je c01ed6c5
<read_current_timer+0x15>
c01ed6c3: f3 c3 repz ret
c01ed6c5: 0f 31 rdtsc
c01ed6c7: 89 01 mov %eax,(%ecx)
c01ed6c9: 31 c0 xor %eax,%eax
c01ed6cb: c3 ret
c01ed6cc: 8d 74 26 00 lea 0x0(%esi),%esi
Best regards,
Kan
COM1_20100115.log
Description: Binary data
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