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RE: [Xen-devel] d273:v3: reserved bit in page table (ec=0019)


  • To: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>, "Christopher S. Aker" <caker@xxxxxxxxxxxx>, xen devel <xen-devel@xxxxxxxxxxxxxxxxxxx>
  • From: "Jiang, Yunhong" <yunhong.jiang@xxxxxxxxx>
  • Date: Fri, 17 Jul 2009 15:37:54 +0800
  • Accept-language: en-US
  • Acceptlanguage: en-US
  • Cc:
  • Delivery-date: Fri, 17 Jul 2009 00:40:48 -0700
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: AcoGMZtn/i3YytQvT7+gWUexNRiegQAW/YaQAAfKAb4AAA4XEAAAb/nqAACxEVA=
  • Thread-topic: [Xen-devel] d273:v3: reserved bit in page table (ec=0019)

Aha, yes, thanks for clarification :-)

--jyh

Keir Fraser wrote:
> PAE dom0 on 64b Xen, no doubt. The fact the Xen and dom0
> decsriptions run
> into each other has confused you.
> 
> -- Keir
> 
> On 17/07/2009 08:06, "Jiang, Yunhong" <yunhong.jiang@xxxxxxxxx> wrote:
> 
>> I'm just wondering what's the meaning of "PAE" in this output: " Xen
>> 3.3-testing @ changeset 18651, 64bit dom0 2.6.18.8 @ changeset 888,
>> PAE". 
>> 
>> --jyh
>> 
>> Keir Fraser wrote:
>>> As will reproducibility. This one may need some bisection.
>>> 
>>> -- Keir
>>> 
>>> On 17/07/2009 04:21, "Jiang, Yunhong"
> <yunhong.jiang@xxxxxxxxx> wrote:
>>> 
>>>> The full log will be helpful.
>>>> 
>>>> --jyh
>>>> 
>>>> -----Original Message-----
>>>> From: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
>>>> [mailto:xen-devel-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of
>>>> Christopher S. Aker Sent: 2009年7月17日 0:21
>>>> To: xen devel
>>>> Subject: [Xen-devel] d273:v3: reserved bit in page table (ec=0019)
>>>> 
>>>> Xen 3.3-testing @ changeset 18651, 64bit dom0 2.6.18.8 @ changeset
>>>> 888, PAE 
>>>> 
>>>> Files: http://theshore.net/~caker/xen/BUGS/1.22/
>>>> 
>>>> (XEN) d273:v3: reserved bit in page table (ec=0019)
>>>> (XEN) Pagetable walk from 00000000c0101347:
>>>> (XEN)  L4[0x000] = 000000067c36a027 0000000000016495
>>>> (XEN)  L3[0x003] = 000000067c06c027 0000000000016793
>>>> (XEN)  L2[0x000] = 00001f5e9d00f403 ffffffffffffffff
>>>> (XEN) ----[ Xen-3.3.2-rc1  x86_64  debug=y  Not tainted ]---- (XEN)
>>>> CPU:    5 (XEN) RIP:    e008:[<ffff828c801c7b50>]
>>>> show_page_walk+0x1f8/0x244 (XEN) RFLAGS: 0000000000010206 CONTEXT:
>>>> hypervisor (XEN) rax: ffff830000000000   rbx: 0000000000000001
>>>> rcx: 0000000000003b1d (XEN) rdx: 00001f5e9d00f808   rsi:
>>>> 0000000000000101   rdi: ffff828c80287e70 (XEN) rbp:
>>>> ffff8300cfcefe88 rsp: ffff8300cfcefe68   r8: 0000000000000004
>>>> (XEN) r9: 0000000000000000   r10: 00000000ffffffff   r11:
>>>> 00000000fffffffe (XEN) r12: 00000001f5e9d00f   r13:
>>>> 00000000c0101347   r14: 00000000c0101347 (XEN) r15:
>>>> 0000000000000000   cr0: 000000008005003b cr4: 00000000000026b0
>>>> (XEN) cr3: 00000004ee806000   cr2: ffffa25e9d00f808 (XEN) ds: 007b
>>>> es: 007b   fs: 0000   gs: 0000 ss: 0000   cs: e008 (XEN) Xen stack
>>>> trace from rsp=ffff8300cfcefe68: (XEN)    ffff8300cfceff28
>>>> ffff8300cfceff28 00000000c0101347 0000000000000019 (XEN)   
>>>> ffff8300cfcefea8 ffff828c8015a649 ffff8300cecce100
>>>> 0000000000000019 (XEN)    ffff8300cfcefed8 ffff828c8015a7f4
>>>> ffff8300cfceff28 ffff8300cf7a8100 (XEN) 00000000c0101347
>>>> 0000000000000019 ffff8300cfceff18 ffff828c8015eb46 (XEN)   
>>>> 0000000000000000 ffff8300cecce100 0000000000000000
>>>> 0000000000000000 (XEN)    0000000000000000 0000000000000000
>>>> 00007cff303100b7 ffff828c801c56db (XEN)    0000000000000000
>>>> 0000000000000000 0000000000000000 0000000000000000 (XEN)
>>>> 00000000c13a9fac 00000000deadbeef 0000000000000000
>>>> 0000000000000000 (XEN)    0000000000000000 0000000000000000
>>>> 0000000000000000 00000000deadbeef (XEN)    00000000deadbeef
>>>> 00000000deadbeef 00000000c13a9f80 0000000e00000019 (XEN)   
>>>> 00000000c0101347 0000000000000061 0000000000010a07
>>>> 00000000c13a9f20 (XEN) 0000000000000069 0000000000000000
>>>> 0000000000000000 0000000000000000 (XEN)    0000000000000000
>>>> 0000000000000005 ffff8300cecce100 (XEN) Xen call trace: (XEN)   
>>>> [<ffff828c801c7b50>] show_page_walk+0x1f8/0x244 (XEN)   
>>>> [<ffff828c8015a649>] reserved_bit_page_fault+0x53/0x66 (XEN)   
>>>> [<ffff828c8015a7f4>] propagate_page_fault+0x198/0x1ad (XEN)   
>>>> [<ffff828c8015eb46>] do_page_fault+0x516/0x52c (XEN) (XEN)
>>>> Pagetable walk from ffffa25e9d00f808: (XEN)  L4[0x144] =
>>>> 0000000000000000 ffffffffffffffff (XEN) (XEN)
>>>> **************************************** (XEN) Panic on CPU 5:
>>>> (XEN) FATAL PAGE FAULT (XEN) [error_code=0000] (XEN) Faulting
>>>> linear address: ffffa25e9d00f808 (XEN)
>>>> **************************************** (XEN) (XEN) Reboot in
>>>> five seconds...   
>>>> 
>>>> -Chris
>>>> 
>>>> _______________________________________________
>>>> Xen-devel mailing list
>>>> Xen-devel@xxxxxxxxxxxxxxxxxxx
>>>> http://lists.xensource.com/xen-devel
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