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Christopher S. Aker

2008-Apr-07 02:08 UTC

[Xen-devel] Xen 3.2.1-rc1: ttempt to implicitly unmap a granted PTE 000000047bb78867

It''s me again!

Xen 3.2.1-rc1 64 bit
Dom0: 2.6.16.33 PAE
DomU: 2.6.18.8 (from a pull a few weeks ago)

Hypervisor stuff:
http://theshore.net/~caker/xen/BUGfatal_page_fault/

Guest kernel:
http://www.theshore.net/~caker/xen/kernels/2.6.18.8-domU-linode7

(XEN) mm.c:876:d0 Attempt to implicitly unmap a granted PTE 
000000047bb78867
(XEN) domain_crash called from mm.c:877
(XEN) Domain 0 (vcpu#0) crashed on cpu#0:
(XEN) ----[ Xen-3.2.1-rc1  x86_64  debug=y  Not tainted ]----
(XEN) CPU:    0
(XEN) RIP:    0061:[<00000000c0101287>]
(XEN) RFLAGS: 0000000000000246   CONTEXT: guest
(XEN) rax: 0000000000000014   rbx: 0000000000000000   rcx: 00000000ce95dd30
(XEN) rdx: 000000000000000b   rsi: 0000000000000000   rdi: 000000000000000b
(XEN) rbp: 00000000ce95dfa0   rsp: 00000000ce95dce0   r8:  0000000000000000
(XEN) r9:  0000000000000000   r10: 0000000000000000   r11: 0000000000000000
(XEN) r12: 0000000000000000   r13: 0000000000000000   r14: 0000000000000000
(XEN) r15: 0000000000000000   cr0: 000000008005003b   cr4: 00000000000026b0
(XEN) cr3: 000000062ffe6000   cr2: 00000000b7f29181
(XEN) ds: 007b   es: 007b   fs: 0000   gs: 0000   ss: 0069   cs: 0061
(XEN) Guest stack trace from esp=ce95dce0:
(XEN)   c034e01d 00000c00 ce95deec 00000058 c1000000 00850004 d204e0e0 
ce95df50
(XEN)   cd564288 0b2c014f 0000000b 00000000 0000000b 00000001 0000012c 
ce95dfa8
(XEN)   ce95de88 d255415c 0000000b 0000000b d25a2000 00000000 00000006 
0000039e
(XEN)   00000004 00000107 bffc4000 00000004 d25a3000 00000000 00000006 
00000377
(XEN)   00000004 00000014 bffc4000 00000004 d25a4000 00000000 00000006 
00000120
(XEN)   00000004 000001b8 bffc4000 00000004 d25a5000 00000000 00000006 
00000359
(XEN)   00000004 0000022a bf63e000 00000004 d25a6000 00000000 00000006 
0000037b
(XEN)   00000004 0000011e bf63e000 00000004 d25a7000 00000000 00000006 
00000388
(XEN)   00000004 0000027e bf63e000 00000004 d25a8000 00000000 00000006 
00000384
(XEN)   00000004 00000204 bf63e000 00000004 d25a9000 00000000 00000006 
000003f3
(XEN)   00000004 00000112 c2cb6000 00000004 d25aa000 00000000 00000006 
0000035b
(XEN)   00000004 0000012c c2cb6000 00000004 d25ab000 00000000 00000006 
00000320
(XEN)   00000004 00000031 c2cb6000 00000004 d25ac000 00000000 00000006 
0000012c
(XEN)   00000004 00000148 c2cb6000 00000004 be453400 00000002 be453800 
00000002
(XEN)   be453c00 00000002 bf63e000 00000002 bf63e400 00000002 bf63e800 
00000002
(XEN)   bf63ec00 00000002 c2cb6000 00000002 c2cb6400 00000002 c2cb6800 
00000002
(XEN)   c2cb6c00 00000002 c761bdc0 ce95dfbc cd564288 00030002 0000007b 
d2af007b
(XEN)   fffffeff c0101227 00000061 00000246 c034487a 0016ca00 cd2c0440 
00254b88
(XEN)   00000000 cd564298 d441676c ce95dfbc cd564288 c034e6e1 00200246 
c034487a
(XEN)   d204e0e0 0000c0d1 0000c0dc 0000c0cd ca000b01 0000000c 00000000 
00254b88
(XEN) Domain 0 crashed: rebooting machine in 5 seconds.

-Chris

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Xen-devel@lists.xensource.com
http://lists.xensource.com/xen-devel

Keir Fraser

2008-Apr-07 07:33 UTC

head link

Re: [Xen-devel] Xen 3.2.1-rc1: ttempt to implicitly unmap a granted PTE 000000047bb78867

A bug that would have these symptoms was fixed in the linux-2.6.18-xen.hg
repository about a week ago (changeset 496). You''ll need to upgrade or
backport the fix.

 -- Keir

On 7/4/08 03:08, "Christopher S. Aker" <caker@theshore.net>
wrote:
> It''s me again!
> 
> Xen 3.2.1-rc1 64 bit
> Dom0: 2.6.16.33 PAE
> DomU: 2.6.18.8 (from a pull a few weeks ago)
> 
> Hypervisor stuff:
> http://theshore.net/~caker/xen/BUGfatal_page_fault/
> 
> Guest kernel:
> http://www.theshore.net/~caker/xen/kernels/2.6.18.8-domU-linode7
> 
> (XEN) mm.c:876:d0 Attempt to implicitly unmap a granted PTE
> 000000047bb78867
> (XEN) domain_crash called from mm.c:877
> (XEN) Domain 0 (vcpu#0) crashed on cpu#0:
> (XEN) ----[ Xen-3.2.1-rc1  x86_64  debug=y  Not tainted ]----
> (XEN) CPU:    0
> (XEN) RIP:    0061:[<00000000c0101287>]
> (XEN) RFLAGS: 0000000000000246   CONTEXT: guest
> (XEN) rax: 0000000000000014   rbx: 0000000000000000   rcx: 00000000ce95dd30
> (XEN) rdx: 000000000000000b   rsi: 0000000000000000   rdi: 000000000000000b
> (XEN) rbp: 00000000ce95dfa0   rsp: 00000000ce95dce0   r8:  0000000000000000
> (XEN) r9:  0000000000000000   r10: 0000000000000000   r11: 0000000000000000
> (XEN) r12: 0000000000000000   r13: 0000000000000000   r14: 0000000000000000
> (XEN) r15: 0000000000000000   cr0: 000000008005003b   cr4: 00000000000026b0
> (XEN) cr3: 000000062ffe6000   cr2: 00000000b7f29181
> (XEN) ds: 007b   es: 007b   fs: 0000   gs: 0000   ss: 0069   cs: 0061
> (XEN) Guest stack trace from esp=ce95dce0:
> (XEN)   c034e01d 00000c00 ce95deec 00000058 c1000000 00850004 d204e0e0
> ce95df50
> (XEN)   cd564288 0b2c014f 0000000b 00000000 0000000b 00000001 0000012c
> ce95dfa8
> (XEN)   ce95de88 d255415c 0000000b 0000000b d25a2000 00000000 00000006
> 0000039e
> (XEN)   00000004 00000107 bffc4000 00000004 d25a3000 00000000 00000006
> 00000377
> (XEN)   00000004 00000014 bffc4000 00000004 d25a4000 00000000 00000006
> 00000120
> (XEN)   00000004 000001b8 bffc4000 00000004 d25a5000 00000000 00000006
> 00000359
> (XEN)   00000004 0000022a bf63e000 00000004 d25a6000 00000000 00000006
> 0000037b
> (XEN)   00000004 0000011e bf63e000 00000004 d25a7000 00000000 00000006
> 00000388
> (XEN)   00000004 0000027e bf63e000 00000004 d25a8000 00000000 00000006
> 00000384
> (XEN)   00000004 00000204 bf63e000 00000004 d25a9000 00000000 00000006
> 000003f3
> (XEN)   00000004 00000112 c2cb6000 00000004 d25aa000 00000000 00000006
> 0000035b
> (XEN)   00000004 0000012c c2cb6000 00000004 d25ab000 00000000 00000006
> 00000320
> (XEN)   00000004 00000031 c2cb6000 00000004 d25ac000 00000000 00000006
> 0000012c
> (XEN)   00000004 00000148 c2cb6000 00000004 be453400 00000002 be453800
> 00000002
> (XEN)   be453c00 00000002 bf63e000 00000002 bf63e400 00000002 bf63e800
> 00000002
> (XEN)   bf63ec00 00000002 c2cb6000 00000002 c2cb6400 00000002 c2cb6800
> 00000002
> (XEN)   c2cb6c00 00000002 c761bdc0 ce95dfbc cd564288 00030002 0000007b
> d2af007b
> (XEN)   fffffeff c0101227 00000061 00000246 c034487a 0016ca00 cd2c0440
> 00254b88
> (XEN)   00000000 cd564298 d441676c ce95dfbc cd564288 c034e6e1 00200246
> c034487a
> (XEN)   d204e0e0 0000c0d1 0000c0dc 0000c0cd ca000b01 0000000c 00000000
> 00254b88
> (XEN) Domain 0 crashed: rebooting machine in 5 seconds.
> 
> -Chris
> 
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@lists.xensource.com
> http://lists.xensource.com/xen-devel


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Xen devel - Apr 2008 - Xen 3.2.1-rc1: ttempt to implicitly unmap a granted PTE 000000047bb78867

[Xen-devel] Xen 3.2.1-rc1: ttempt to implicitly unmap a granted PTE 000000047bb78867

Re: [Xen-devel] Xen 3.2.1-rc1: ttempt to implicitly unmap a granted PTE 000000047bb78867