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[Xen-bugs] [Bug 419] New: (XEN) Xen call trace:

from [bugzilla-daemon] [Permanent Link][Original]
To: xen-bugs@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-bugs] [Bug 419] New: (XEN) Xen call trace:
From: bugzilla-daemon@xxxxxxxxxxxxxxxxxxx
Date: Fri, 18 Nov 2005 22:05:25 +0000
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(XEN) Xen call trace:    [<ff11120a>] scrub_heap_pages+0x10a/0x170
X-Bugzilla-Reason: AssignedTo

http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=419

           Summary: (XEN) Xen call trace:
                    (XEN) Xen call trace:    [<ff11120a>]
                    scrub_heap_pages+0x10a/0x170
           Product: Xen
           Version: unstable
          Platform: x86
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Hypervisor
        AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
        ReportedBy: dbarrera@xxxxxxxxxx
                CC: hohnbaum@xxxxxxxxxx,pl@xxxxxxxxxx


I want to identify this issue. 2nd time I see this trace on a dom0. Not sure
what is causing it (no manual intervation to cause the dumping of registers)

Machine: IBM xSeries 335, 2GB of ram (dom0 has 512MB)
FC4 based Xen build, PAE enabled. 

changeset:   7870:f6fdb6e0d3c9
tag:         tip
user:        smh22@xxxxxxxxxxxxxxxxxxxx
date:        Thu Nov 17 07:56:50 2005 +0100
summary:     Fix race in blkfront resume path (watch thread could fire watch
during the


00067ef8 ff100184
(XEN)    ff02bf80 00000000 00000000 00000000 00000000 00000000 00000000 00000000
                                                                                
(XEN)    00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
                                                                                
(XEN)    00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
                                                                                
(XEN)    00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
                                                                                
(XEN)    00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
                                                                                
(XEN)    00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
                                                                                
(XEN)    00000000 00000000 ff16b400
(XEN) Xen call trace:
(XEN)    [<ff1189be>] printf+0x31e/0x4d0
(XEN)    [<ff103dfc>] cpu0_stack+0x1dfc/0x2000
(XEN)    [<ff103dc8>] cpu0_stack+0x1dc8/0x2000
(XEN)    [<ff103df8>] cpu0_stack+0x1df8/0x2000
(XEN)    [<ff109545>] dump_timerq+0xd5/0x110
(XEN)    [<ff10f84d>] keypress_softirq+0x1d/0x30
(XEN)    [<ff116062>] do_softirq+0x32/0x50
(XEN)    [<ff11120a>] scrub_heap_pages+0x10a/0x170
(XEN)    [<ff111265>] scrub_heap_pages+0x165/0x170
(XEN)    [<ff159bcf>] __start_xen+0x9bf/0xaf0
(XEN)    [<ff100184>] no_execute_disable+0x53/0x55
(XEN)
(XEN)   1 : ff17e1c8 ex=0x00000002C59772F6 00000000
(XEN)   2 : ff19b7a0 ex=0x00000002DFCF5CC4 00000000
(XEN)
(XEN) ..'d' pressed -> dumping registers
(XEN) CPU:    0
(XEN) EIP:    e008:[<ff11120a>] scrub_heap_pages+0x10a/0x170
(XEN) EFLAGS: 00000206   CONTEXT: hypervisor
(XEN) eax: 2dbbd463   ebx: 00c00000   ecx: ffbfddf0   edx: 00000000
(XEN) esi: 00000000   edi: fefbf000   ebp: 0002dbbe   esp: ff103e44
(XEN) cr0: 8005003b   cr3: 00104000
(XEN) ds: e010   es: e010   fs: e010   gs: e010   ss: e010   cs: e008
(XEN) Xen stack trace from esp=ff103e44:
(XEN)    fefbe000 c0100000 c062d5c4 c0100000 ffbdd000 00bdd000 00000000 fefbe000
                                                                                
(XEN)    00000000 029bd1e1 004499b8 010f0000 ff1982a0 0019f000 ff16d280 ff159bcf
                                                                                
(XEN)    ff1b4080 00c00000 004ef7e0 010f0000 001fc400 ff1982a0 00100000 00000000
                                                                                
(XEN)    00000000 0000008c 006ec400 00000000 012ec400 00000000 00000020 000000a8
                                                                                
(XEN)    012ec400 00000000 ff020d80 00000a51 00c00000 00000003 012ec400 ff185acc
                                                                                
(XEN)    ff185acc ff185a7c 00000007 0007ff89 00000007 00000007 00000000 00000000
                                                                                
(XEN)    00000008 0000006e 00000001 00000003 000002f8 00000007 00000000 ff02bf80
                                                                                
(XEN)    00052de1 0019ce40 00067ef8 ff100184 ff02bf80 00000000 00000000 00000000
                                                                                
(XEN)    00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
                                                                                
(XEN)    00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
                                                                                
(XEN)    00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
                                                                                
(XEN)    00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
                                                                                
(XEN)    00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
                                                                                
(XEN)    00000000 00000000 00000000 00000000 00000000 00000000 ff16b400
(XEN) Xen call trace:
(XEN)    [<ff11120a>] scrub_heap_pages+0x10a/0x170
(XEN)    [<ff159bcf>] __start_xen+0x9bf/0xaf0
(XEN)    [<ff100184>] no_execute_disable+0x53/0x55
(XEN)
(XEN) Scheduler: Simple EDF Scheduler (sedf)
(XEN) NOW=0x000000032E036768
(XEN) CPU[00] now=13745889472
(XEN) RUNQ rq ffbf8c00   n: ffbf8c00, p: ffbf8c00
(XEN)
(XEN) WAITQ rq ffbf8c08   n: ffbf8c08, p: ffbf8c08
(XEN)
(XEN) EXTRAQ (penalty) rq ffbf8c10   n: ffbf8c10, p: ffbf8c10
(XEN)
(XEN) EXTRAQ (utilization) rq ffbf8c18   n: ffbf8c18, p: ffbf8c18
(XEN)
(XEN) not on Q
(XEN)   0: 0.0 has=F p=20000000 sl=15000000 ddl=0 w=0 c=0 sc=0 xtr(yes)=0 ew=0
(XEN) CPU[01] now=14109937916
(XEN) RUNQ rq ffbf7980   n: ffbf7980, p: ffbf7980
(XEN)
(XEN) WAITQ rq ffbf7988   n: ffbf7988, p: ffbf7988
(XEN)
(XEN) EXTRAQ (penalty) rq ffbf7990   n: ffbf7990, p: ffbf7990
(XEN)
(XEN) EXTRAQ (utilization) rq ffbf7998   n: ffbf7998, p: ffbf7998
(XEN)
(XEN) not on Q
(XEN)   0: 0.1 has=F p=20000000 sl=15000000 ddl=0 w=0 c=0 sc=0 xtr(yes)=0 ew=0
(XEN) CPU[02] now=14489146534
(XEN) RUNQ rq ffbf3980   n: ffbf3980, p: ffbf3980
(XEN)
(XEN) WAITQ rq ffbf3988   n: ffbf3988, p: ffbf3988
(XEN)
(XEN) EXTRAQ (penalty) rq ffbf3990   n: ffbf3990, p: ffbf3990
(XEN)
(XEN) EXTRAQ (utilization) rq ffbf3998   n: ffbf3998, p: ffbf3998
(XEN)
(XEN) not on Q
(XEN)   0: 0.2 has=F p=20000000 sl=15000000 ddl=0 w=0 c=0 sc=0 xtr(yes)=0 ew=0
(XEN) CPU[03] now=14853192628
(XEN) RUNQ rq ff1bf980   n: ff1bf980, p: ff1bf980
(XEN)
(XEN) WAITQ rq ff1bf988   n: ff1bf988, p: ff1bf988
(XEN)
(XEN) EXTRAQ (penalty) rq ff1bf990   n: ff1bf990, p: ff1bf990
(XEN)
(XEN) EXTRAQ (utilization) rq ff1bf998   n: ff1bf998, p: ff1bf998
(XEN)
(XEN) not on Q
(XEN)   0: 0.3 has=F p=20000000 sl=15000000 ddl=0 w=0 c=0 sc=0 xtr(yes)=0 ew=0
(XEN) 'd' pressed -> dumping registers
(XEN) CPU:    0
(XEN) EIP:    e008:[<ff11120a>] scrub_heap_pages+0x10a/0x170
(XEN) EFLAGS: 00000202   CONTEXT: hypervisor
(XEN) eax: 2de12463   ebx: 00c00000   ecx: ffbfd098   edx: 00000000
(XEN) esi: 00000000   edi: fee14000   ebp: 0002de13   esp: ff103e44
(XEN) cr0: 8005003b   cr3: 00104000
(XEN) ds: e010   es: e010   fs: e010   gs: e010   ss: e010   cs: e008
(XEN) Xen stack trace from esp=ff103e44:
(XEN)    fee13000 c0100000 c062d5c4 c0100000 ffbdd000 00bdd000 00000000 fee13000
                                                                                
(XEN)    00000000 029bd1e1 0044d1b0 010f0000 ff1982a0 0019f000 ff16d280 ff159bcf
                                                                                
(XEN)    ff1b4080 00c00000 004ef7e0 010f0000 001fc400 ff1982a0 00100000 00000000
                                                                                
(XEN)    00000000 0000008c 006ec400 00000000 012ec400 00000000 00000020 000000a8
                                                                                
(XEN)    012ec400 00000000 ff020d80 00000a51 00c00000 00000003 012ec400 ff185acc
                                                                                
(XEN)    ff185acc ff185a7c 00000007 0007ff89 00000007 00000007 00000000 00000000
                                                                                
(XEN)    00000008 0000006e 00000001 00000003 000002f8 00000007 00000000 ff02bf80
                                                                                
(XEN)    00052de1 0019ce40 00067ef8 ff100184 ff02bf80 00000000 00000000 00000000
                                                                                
(XEN)    00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
                                                                                
(XEN)    00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
                                                                                
(XEN)    00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
                                                                                
(XEN)    00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
                                                                                
(XEN)    00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
                                                                                
(XEN)    00000000 00000000 00000000 00000000 00000000 00000000 ff16b400
(XEN) Xen call trace:
(XEN)    [<ff11120a>] scrub_heap_pages+0x10a/0x170
(XEN)    [<ff159bcf>] __start_xen+0x9bf/0xaf0
(XEN)    [<ff100184>] no_execute_disable+0x53/0x55
(XEN)
(XEN) 'd' pressed -> dumping registers
(XEN) CPU:    0
(XEN) EIP:    e008:[<ff11120a>] scrub_heap_pages+0x10a/0x170
(XEN) EFLAGS: 00000206   CONTEXT: hypervisor
(XEN) eax: 2e027463   ebx: 00c00000   ecx: ffbfc140   edx: 00000000
(XEN) esi: 00000000   edi: fec29000   ebp: 0002e028   esp: ff103e44
(XEN) cr0: 8005003b   cr3: 00104000
(XEN) ds: e010   es: e010   fs: e010   gs: e010   ss: e010   cs: e008
(XEN) Xen stack trace from esp=ff103e44:
(XEN)    fec28000 c0100000 c062d5c4 c0100000 ffbdd000 00bdd000 00000000 fec28000
                                                                                
(XEN)    00000000 029bd1e1 004503a8 010f0000 ff1982a0 0019f000 ff16d280 ff159bcf
                                                                                
(XEN)    ff1b4080 00c00000 004ef7e0 010f0000 001fc400 ff1982a0 00100000 00000000
                                                                                
(XEN)    00000000 0000008c 006ec400 00000000 012ec400 00000000 00000020 000000a8
                                                                                
(XEN)    012ec400 00000000 ff020d80 00000a51 00c00000 00000003 012ec400 ff185acc
                                                                                
(XEN)    ff185acc ff185a7c 00000007 0007ff89 00000007 00000007 00000000 00000000
                                                                                
(XEN)    00000008 0000006e 00000001 00000003 000002f8 00000007 00000000 ff02bf80
                                                                                
(XEN)    00052de1 0019ce40 00067ef8 ff100184 ff02bf80 00000000 00000000 00000000
                                                                                
(XEN)    00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
                                                                                
(XEN)    00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
                                                                                
(XEN)    00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
                                                                                
(XEN)    00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
                                                                                
(XEN)    00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
                                                                                
(XEN)    00000000 00000000 00000000 00000000 00000000 00000000 ff16b400
(XEN) Xen call trace:
(XEN)    [<ff11120a>] scrub_heap_pages+0x10a/0x170
(XEN)    [<ff159bcf>] __start_xen+0x9bf/0xaf0
(XEN)    [<ff100184>] no_execute_disable+0x53/0x55
(XEN)
(XEN) .....Dumping ac_timer queues: NOW=0x000000041081E09B
(XEN) CPU[00]   1 : ff17e180 ex=0x0000000410948431 00000000
(XEN)   2 : ff19b620 ex=0x000000042BF5F432 00000000
(XEN)
(XEN) CPU[01]   1 : ff17e198 ex=0x00000003FA3A518F 00000000
(XEN)   2 : ff19b6a0 ex=0x0000000414410722 00000000
(XEN)
(XEN) CPU[02]   1 : ff17e1b0 ex=0x00000003FACDBF05 00000000
(XEN)   2 : ff19b720 ex=0x0000000414417AF3 00000000
(XEN)
(XEN) CPU[03]   1 : ff17e1c8 ex=0x00000003FACDA0AD 00000000
(XEN)   2 : ff19b7a0 ex=0x000000041441505B 00000000
(XEN)
(XEN) .Dumping ac_timer queues: NOW=0x00000004128EAB3B
(XEN) CPU[00]   1 : ff17e180 ex=0x00000004130C1530 00000000
(XEN)   2 : ff19b620 ex=0x000000042BF5F432 00000000
(XEN)
(XEN) CPU[01]   1 : ff17e198 ex=0x00000003FDCC0B3F 00000000
(XEN)   2 : ff19b6a0 ex=0x0000000414410722 00000000
(XEN)
(XEN) CPU[02]   1 : ff17e1b0 ex=0x00000003FEF4D243 00000000
(XEN)   2 : ff19b720 ex=0x0000000414417AF3 00000000
(XEN)
(XEN) CPU[03] 'd' pressed -> dumping registers
(XEN) CPU:    0
(XEN) EIP:    e008:[<ff1189be>] printf+0x31e/0x4d0
(XEN) EFLAGS: 00000296   CONTEXT: hypervisor
(XEN) eax: 00000000   ebx: 00000000   ecx: 00005d72   edx: 00009d72
(XEN) esi: ff17f709   edi: 00000001   ebp: 00000000   esp: ff103db4
(XEN) cr0: 8005003b   cr3: 00104000
(XEN) ds: e010   es: e010   fs: e010   gs: e010   ss: e010   cs: e008
(XEN) Xen stack trace from esp=ff103db4:
(XEN)    00000008 ff17f700 ff161f6d ff103dfc ff103dc8 ff19b720 00000296 ff1b5900
                                                                                
(XEN)    00000003 00000002 ff103df8 ff19b720 00000003 00000003 00000292 ff109545
                                                                                
(XEN)    ff161f6d 00000003 ff19b720 00000004 14417af3 00000000 ff176300 00000000
                                                                                
(XEN)    00000008 fec70000 0005206f ff10f84d 00000061 fec70000 0005206f ff116062
                                                                                
(XEN)    00490000 ff11120a 00c00000 ff111265 fec6f000 c0100000 c062d5c4 c0100000
                                                                                
(XEN)    ffbdd000 00bdd000 00000000 fec6f000 00000000 029bd1e1 007b0a68 010f0000
                                                                                
(XEN)    ff1982a0 0019f000 ff16d280 ff159bcf ff1b4080 00c00000 004ef7e0 010f0000
                                                                                
(XEN)    001fc400 ff1982a0 00100000 00000000 00000000 0000008c 006ec400 00000000
                                                                                
(XEN)    012ec400 00000000 00000020 000000a8 012ec400 00000000 ff020d80 00000a51
                                                                                
(XEN)    00c00000 00000003 012ec400 ff185acc ff185acc ff185a7c 00000007 0007ff89
                                                                                
(XEN)    00000007 00000007 00000000 00000000 00000008 0000006e 00000001 00000003
                                                                                
(XEN)    000002f8 00000007 00000000 ff02bf80 00052de1 0019ce40 00067ef8 ff100184
                                                                                
(XEN)    ff02bf80 00000000 00000000 00000000 00000000 00000000 00000000 00000000
                                                                                
(XEN)    00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
                                                                                
(XEN)    00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
                                                                                
(XEN)    00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
                                                                                
(XEN)    00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
                                                                                
(XEN)    00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
                                                                                
(XEN)    00000000 00000000 ff16b400
(XEN) Xen call trace:
(XEN)    [<ff1189be>] printf+0x31e/0x4d0
(XEN)    [<ff103dfc>] cpu0_stack+0x1dfc/0x2000
(XEN)    [<ff103dc8>] cpu0_stack+0x1dc8/0x2000
(XEN)    [<ff103df8>] cpu0_stack+0x1df8/0x2000
(XEN)    [<ff109545>] dump_timerq+0xd5/0x110
(XEN)    [<ff10f84d>] keypress_softirq+0x1d/0x30
(XEN)    [<ff116062>] do_softirq+0x32/0x50
(XEN)    [<ff11120a>] scrub_heap_pages+0x10a/0x170
(XEN)    [<ff111265>] scrub_heap_pages+0x165/0x170
(XEN)    [<ff159bcf>] __start_xen+0x9bf/0xaf0
(XEN)    [<ff100184>] no_execute_disable+0x53/0x55
(XEN)
(XEN)   1 : ff17e1c8 ex=0x00000004AB2EC21B 00000000
(XEN)   2 : ff19b7a0 ex=0x00000004B7CA1AB9 00000000
(XEN)
(XEN) Dumping ac_timer queues: NOW=0x00000004B227EEDD
(XEN) CPU[00]   1 : ff17e180 ex=0x00000004B2B9C4F4 00000000
(XEN)   2 : ff19b620 ex=0x00000004EDBBE6C2 00000000
(XEN)
(XEN) CPU[01]   1 : ff17e198 ex=0x00000004BB3D9692 00000000
(XEN)   2 : ff19b6a0 ex=0x00000004F363A419 00000000
(XEN)
(XEN) CPU[02]   1 : ff17e1b0 ex=0x00000004C25CABBC 00000000
(XEN)   2 : ff19b720 ex=0x00000004F3643459 00000000
(XEN)
(XEN) CPU[03]   1 : ff17e1c8 ex=0x00000004C8B377BC 00000000
(XEN)   2 : ff19b7a0 ex=0x00000004F364CFCB 00000000
(XEN)
(XEN) Dumping ac_timer queues: NOW=0x00000004D158A486
(XEN) CPU[00]   1 : ff17e180 ex=0x00000004D19F2335 00000000
(XEN)   2 : ff19b620 ex=0x00000004EDBBE6C2 00000000
(XEN)
(XEN) CPU[01]   1 : ff17e198 ex=0x00000004D79610EF 00000000
(XEN)   2 : ff19b6a0 ex=0x00000004F363A419 00000000
(XEN)
(XEN) CPU[02]   1 : ff17e1b0 ex=0x00000004DE99B326 00000000
(XEN)   2 : ff19b720 ex=0x00000004F3643459 00000000
(XEN)
(XEN) CPU[03]   1 : ff17e1c8 ex=0x00000004E5432D17 00000000
(XEN)   2 : ff19b7a0 ex=0x00000004F364CFCB 00000000
(XEN)
(XEN) 'd' pressed -> dumping registers
(XEN) CPU:    0
(XEN) EIP:    e008:[<ff11120a>] scrub_heap_pages+0x10a/0x170
(XEN) EFLAGS: 00000206   CONTEXT: hypervisor
(XEN) eax: 55a40463   ebx: 00c00000   ecx: ffbfd208   edx: 00000000
(XEN) esi: 00000000   edi: fee42000   ebp: 00055a41   esp: ff103e44
(XEN) cr0: 8005003b   cr3: 00104000
(XEN) ds: e010   es: e010   fs: e010   gs: e010   ss: e010   cs: e008
(XEN) Xen stack trace from esp=ff103e44:
(XEN)    fee41000 c0100000 c062d5c4 c0100000 ffbdd000 00bdd000 00000000 fee41000
                                                                                
(XEN)    00000000 029bd1e1 00807600 010f0000 ff1982a0 0019f000 ff16d280 ff159bcf
                                                                                
(XEN)    ff1b4080 00c00000 004ef7e0 010f0000 001fc400 ff1982a0 00100000 00000000
                                                                                
(XEN)    00000000 0000008c 006ec400 00000000 012ec400 00000000 00000020 000000a8
                                                                                
(XEN)    012ec400 00000000 ff020d80 00000a51 00c00000 00000003 012ec400 ff185acc
                                                                                
(XEN)    ff185acc ff185a7c 00000007 0007ff89 00000007 00000007 00000000 00000000
                                                                                
(XEN)    00000008 0000006e 00000001 00000003 000002f8 00000007 00000000 ff02bf80
                                                                                
(XEN)    00052de1 0019ce40 00067ef8 ff100184 ff02bf80 00000000 00000000 00000000
                                                                                
(XEN)    00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
                                                                                
(XEN)    00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
                                                                                
(XEN)    00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
                                                                                
(XEN)    00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
                                                                                
(XEN)    00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
                                                                                
(XEN)    00000000 00000000 00000000 00000000 00000000 00000000 ff16b400
(XEN) Xen call trace:
(XEN)    [<ff11120a>] scrub_heap_pages+0x10a/0x170
(XEN)    [<ff159bcf>] __start_xen+0x9bf/0xaf0
(XEN)    [<ff100184>] no_execute_disable+0x53/0x55
(XEN)
(XEN) 'd' pressed -> dumping registers
(XEN) CPU:    0
(XEN) EIP:    e008:[<ff11120a>] scrub_heap_pages+0x10a/0x170
(XEN) EFLAGS: 00000206   CONTEXT: hypervisor
(XEN) eax: 5644a463   ebx: 00c00000   ecx: ffbfc258   edx: 00000000
(XEN) esi: 00000000   edi: fec4c000   ebp: 0005644b   esp: ff103e44
(XEN) cr0: 8005003b   cr3: 00104000
(XEN) ds: e010   es: e010   fs: e010   gs: e010   ss: e010   cs: e008
(XEN) Xen stack trace from esp=ff103e44:
(XEN)    fec4b000 c0100000 c062d5c4 c0100000 ffbdd000 00bdd000 00000000 fec4b000
                                                                                
(XEN)    00000000 029bd1e1 008166f0 010f0000 ff1982a0 0019f000 ff16d280 ff159bcf
                                                                                
(XEN)    ff1b4080 00c00000 004ef7e0 010f0000 001fc400 ff1982a0 00100000 00000000
                                                                                
(XEN)    00000000 0000008c 006ec400 00000000 012ec400 00000000 00000020 000000a8
                                                                                
(XEN)    012ec400 00000000 ff020d80 00000a51 00c00000 00000003 012ec400 ff185acc
                                                                                
(XEN)    ff185acc ff185a7c 00000007 0007ff89 00000007 00000007 00000000 00000000
                                                                                
(XEN)    00000008 0000006e 00000001 00000003 000002f8 00000007 00000000 ff02bf80
                                                                                
(XEN)    00052de1 0019ce40 00067ef8 ff100184 ff02bf80 00000000 00000000 00000000
                                                                                
(XEN)    00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
                                                                                
(XEN)    00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
                                                                                
(XEN)    00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
                                                                                
(XEN)    00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
                                                                                
(XEN)    00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
                                                                                
(XEN)    00000000 00000000 00000000 00000000 00000000 00000000 ff16b400
(XEN) Xen call trace:
(XEN)    [<ff11120a>] scrub_heap_pages+0x10a/0x170
(XEN)    [<ff159bcf>] __start_xen+0x9bf/0xaf0
(XEN)    [<ff100184>] no_execute_disable+0x53/0x55
(XEN)
(XEN) .......done.
(XEN) Xen trace buffers: disabled
(XEN) *** Serial input -> DOM0 (type 'CTRL-a' three times to switch input to Xen

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