[Crash-utility] [help]crash can't anaylyse ‘xm dump-core' generated core file
hujun_hotmail
duanshuidao at hotmail.com
Sun Mar 4 02:28:06 UTC 2012
crash can analyse the physical machine vmcore generated by kdump:
SLES11-40:/dat/bnx2_core # crash vmlinux-2.6.27.19-5-xen vmlinux-2.6.27.19-5-xen.debug vmcore
crash 5.0.1
Copyright (C) 2002-2010 Red Hat, Inc.
Copyright (C) 2004, 2005, 2006 IBM Corporation
Copyright (C) 1999-2006 Hewlett-Packard Co
Copyright (C) 2005, 2006 Fujitsu Limited
Copyright (C) 2006, 2007 VA Linux Systems Japan K.K.
Copyright (C) 2005 NEC Corporation
Copyright (C) 1999, 2002, 2007 Silicon Graphics, Inc.
Copyright (C) 1999, 2000, 2001, 2002 Mission Critical Linux, Inc.
This program is free software, covered by the GNU General Public License,
and you are welcome to change it and/or distribute copies of it under
certain conditions. Enter "help copying" to see the conditions.
This program has absolutely no warranty. Enter "help warranty" for details.
GNU gdb (GDB) 7.0
Copyright (C) 2009 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-unknown-linux-gnu"...
KERNEL: vmlinux-2.6.27.19-5-xen
DEBUG KERNEL: vmlinux-2.6.27.19-5-xen.debug
DUMPFILE: vmcore
CPUS: 4
DATE: Wed Feb 1 12:05:15 2012
UPTIME: 17:53:39
LOAD AVERAGE: 0.00, 0.00, 0.00
TASKS: 171
NODENAME: dom0-64
RELEASE: 2.6.27.19-5-xen
VERSION: #1 SMP 2009-02-28 04:40:21 +0100
MACHINE: x86_64 (2133 Mhz)
MEMORY: 31.2 GB
PANIC: "Oops: 0000 [1] SMP " (check log for details)
PID: 11
COMMAND: "events/0"
TASK: ffff8807cb0f0380 [THREAD_INFO: ffff8807cb0f2000]
CPU: 0
STATE: TASK_RUNNING (PANIC)
crash> q
SLES11-40:/dat/xen_vm # xm li
Name ID Mem VCPUs State Time(s)
Domain-0 0 7416 16 r----- 30181.7
sles10sp3 512 4 0.0
sles11 1 512 4 -b---- 401.8
sles11-1 512 4 0.0
win2008x64 1024 4 0.0
SLES11-40:/dat/xen_vm # xm co 1
sles11:~ #
sles11:~ # uname -a
Linux sles11 2.6.27.19-5-xen #1 SMP 2009-02-28 04:40:21 +0100 x86_64 x86_64 x86_64 GNU/Linux
SLES11-40:/dat/xen_vm # xm dump-core 1 /dat//xen_vm/sles11.dumpcore
Crash can't anaylyse ‘xm dump-core' generated core file
SLES11-40:/dat/bnx2_core # crash vmlinux-2.6.27.19-5-xen vmlinux-2.6.27.19-5-xen.debug ../xen_vm/sles11.dumpcore
crash 5.0.1
Copyright (C) 2002-2010 Red Hat, Inc.
Copyright (C) 2004, 2005, 2006 IBM Corporation
Copyright (C) 1999-2006 Hewlett-Packard Co
Copyright (C) 2005, 2006 Fujitsu Limited
Copyright (C) 2006, 2007 VA Linux Systems Japan K.K.
Copyright (C) 2005 NEC Corporation
Copyright (C) 1999, 2002, 2007 Silicon Graphics, Inc.
Copyright (C) 1999, 2000, 2001, 2002 Mission Critical Linux, Inc.
This program is free software, covered by the GNU General Public License,
and you are welcome to change it and/or distribute copies of it under
certain conditions. Enter "help copying" to see the conditions.
This program has absolutely no warranty. Enter "help warranty" for details.
GNU gdb (GDB) 7.0
Copyright (C) 2009 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-unknown-linux-gnu"...
crash: cannot resolve "end_pfn"
SLES11-40:/dat/bnx2_core # crash -d14 vmlinux-2.6.27.19-5-xen vmlinux-2.6.27.19-5-xen.debug ../xen_vm/sles11.dumpcore
crash 5.0.1
Copyright (C) 2002-2010 Red Hat, Inc.
Copyright (C) 2004, 2005, 2006 IBM Corporation
Copyright (C) 1999-2006 Hewlett-Packard Co
Copyright (C) 2005, 2006 Fujitsu Limited
Copyright (C) 2006, 2007 VA Linux Systems Japan K.K.
Copyright (C) 2005 NEC Corporation
Copyright (C) 1999, 2002, 2007 Silicon Graphics, Inc.
Copyright (C) 1999, 2000, 2001, 2002 Mission Critical Linux, Inc.
This program is free software, covered by the GNU General Public License,
and you are welcome to change it and/or distribute copies of it under
certain conditions. Enter "help copying" to see the conditions.
This program has absolutely no warranty. Enter "help warranty" for details.
crash: ../xen_vm/sles11.dumpcore: not a netdump ELF dumpfile
crash: ../xen_vm/sles11.dumpcore: not a kdump ELF dumpfile
Elf64_Ehdr:
e_ident: \177ELF
e_ident[EI_CLASS]: 2 (ELFCLASS64)
e_ident[EI_DATA]: 1 (ELFDATA2LSB)
e_ident[EI_VERSION]: 1 (EV_CURRENT)
e_ident[EI_OSABI]: 0 (ELFOSABI_SYSV)
e_ident[EI_ABIVERSION]: 1
e_type: 4 (ET_CORE)
e_machine: 62 (EM_X86_64)
e_version: 1 (EV_CURRENT)
e_entry: 0
e_phoff: 0
e_shoff: 40
e_flags: 0
e_ehsize: 40
e_phentsize: 38
e_phnum: 0
e_shentsize: 40
e_shnum: 7
e_shstrndx: 1
Elf64_Shdr:
sh_name: 0 ""
sh_type: 0 (SHT_NULL)
sh_flags: 0
sh_addr: 0
sh_offset: 0
sh_size: 0
sh_link: 0
sh_info: 0
sh_addralign: 0
sh_entsize: 0
Elf64_Shdr:
sh_name: 1 ".shstrtab"
sh_type: 3 (SHT_STRTAB)
sh_flags: 0
sh_addr: 0
sh_offset: 20207000
sh_size: 48
sh_link: 0
sh_info: 0
sh_addralign: 0
sh_entsize: 0
.shstrtab
.note.Xen
.xen_prstatus
.xen_shared_info
.xen_pages
.xen_p2m
Elf64_Shdr:
sh_name: b ".note.Xen"
sh_type: 7 (SHT_NOTE)
sh_flags: 0
sh_addr: 0
sh_offset: 200
sh_size: 568
sh_link: 0
sh_info: 0
sh_addralign: 0
sh_entsize: 0
namesz: 4
descz: 0
type: 2000000 (XEN_ELFNOTE_DUMPCORE_NONE)
name: Xen
(empty)
namesz: 4
descz: 32
type: 2000001 (XEN_ELFNOTE_DUMPCORE_HEADER)
name: Xen
00000000f00febed 0000000000000004
0000000000020000 0000000000001000
namesz: 4
descz: 1280
type: 2000002 (XEN_ELFNOTE_DUMPCORE_XEN_VERSION)
name: Xen
0000000000000004 0000000000000000
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4553555328205d33 002978756e694c20
ff00646c69756261 010000000000e008
ffff83022fc87f00 0000000000000292
000000000000020d ffff83022fc87f28
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204354552031343a ffff830030313032
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38782d302e332d6d 7668207032335f36
ffff800000000000 0000000000001000
namesz: 4
descz: 8
type: 2000003 (XEN_ELFNOTE_DUMPCORE_FORMAT_VERSION)
name: Xen
0000000000000001
Elf64_Shdr:
sh_name: 15 ".xen_prstatus"
sh_type: 1 (SHT_PROGBITS)
sh_flags: 0
sh_addr: 0
sh_offset: 768
sh_size: 50c0
sh_link: 0
sh_info: 0
sh_addralign: 8
sh_entsize: 1430
Elf64_Shdr:
sh_name: 23 ".xen_shared_info"
sh_type: 1 (SHT_PROGBITS)
sh_flags: 0
sh_addr: 0
sh_offset: 5828
sh_size: 1000
sh_link: 0
sh_info: 0
sh_addralign: 8
sh_entsize: 1000
Elf64_Shdr:
sh_name: 34 ".xen_pages"
sh_type: 1 (SHT_PROGBITS)
sh_flags: 0
sh_addr: 0
sh_offset: 7000
sh_size: 20000000
sh_link: 0
sh_info: 0
sh_addralign: 1000
sh_entsize: 1000
Elf64_Shdr:
sh_name: 3f ".xen_p2m"
sh_type: 1 (SHT_PROGBITS)
sh_flags: 0
sh_addr: 0
sh_offset: 20007000
sh_size: 200000
sh_link: 0
sh_info: 0
sh_addralign: 8
sh_entsize: 10
flags: 109 (XENDUMP_LOCAL|XC_CORE_ELF|XC_CORE_P2M_CREATE)
xfd: 3
page_size: 4096
ofp: 0
page: ccebf0
panic_pc: 0
panic_sp: 0
accesses: 0
cache_hits: 0
last_pfn: -1
redundant: 0
poc[5000]: ccfc00 (none used)
xc_save:
nr_pfns: 0 (0x0)
vmconfig_size: 0 (0x0)
vmconfig_buf: 0
p2m_frame_list: 0 (none)
pfns_not: 0
pfns_not_offset: 0
vcpu_ctxt_offset: 0
shared_info_page_offset: 0
region_pfn_type: 0
batch_count: 0
batch_offsets: 0 (none)
ia64_version: 0
ia64_page_offsets: 0 (none)
xc_core:
header:
xch_magic: f00febed (XC_CORE_MAGIC)
xch_nr_vcpus: 4
xch_nr_pages: 131072 (0x20000)
xch_ctxt_offset: 1896 (0x768)
xch_index_offset: 536899584 (0x20007000)
xch_pages_offset: 28672 (0x7000)
elf_class: ELFCLASS64
elf_strtab_offset: 538996736 (0x20207000)
format_version: 0000000000000001
shared_info_offset: 22568 (0x5828)
elf_index_pfn[128]:
0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1
last_batch:
index: 0 (0 - 0)
accesses: 0
duplicates: 0
elf32: 0
elf64: cce630
p2m_frames: 0
p2m_frame_index_list:
Elf64_Ehdr:
e_ident: \177ELF
e_ident[EI_CLASS]: 2 (ELFCLASS64)
e_ident[EI_DATA]: 1 (ELFDATA2LSB)
e_ident[EI_VERSION]: 1 (EV_CURRENT)
e_ident[EI_OSABI]: 0 (ELFOSABI_SYSV)
e_ident[EI_ABIVERSION]: 1
e_type: 4 (ET_CORE)
e_machine: 62 (EM_X86_64)
e_version: 1 (EV_CURRENT)
e_entry: 0
e_phoff: 0
e_shoff: 40
e_flags: 0
e_ehsize: 40
e_phentsize: 38
e_phnum: 0
e_shentsize: 40
e_shnum: 7
e_shstrndx: 1
Elf64_Shdr:
sh_name: 0 ""
sh_type: 0 (SHT_NULL)
sh_flags: 0
sh_addr: 0
sh_offset: 0
sh_size: 0
sh_link: 0
sh_info: 0
sh_addralign: 0
sh_entsize: 0
Elf64_Shdr:
sh_name: 1 ".shstrtab"
sh_type: 3 (SHT_STRTAB)
sh_flags: 0
sh_addr: 0
sh_offset: 20207000
sh_size: 48
sh_link: 0
sh_info: 0
sh_addralign: 0
sh_entsize: 0
.shstrtab
.note.Xen
.xen_prstatus
.xen_shared_info
.xen_pages
.xen_p2m
Elf64_Shdr:
sh_name: b ".note.Xen"
sh_type: 7 (SHT_NOTE)
sh_flags: 0
sh_addr: 0
sh_offset: 200
sh_size: 568
sh_link: 0
sh_info: 0
sh_addralign: 0
sh_entsize: 0
namesz: 4
descz: 0
type: 2000000 (XEN_ELFNOTE_DUMPCORE_NONE)
name: Xen
(empty)
namesz: 4
descz: 32
type: 2000001 (XEN_ELFNOTE_DUMPCORE_HEADER)
name: Xen
00000000f00febed 0000000000000004
0000000000020000 0000000000001000
namesz: 4
descz: 1280
type: 2000002 (XEN_ELFNOTE_DUMPCORE_XEN_VERSION)
name: Xen
0000000000000004 0000000000000000
31393031325f302e 00322e302d34305f
7372657620636367 2e332e34206e6f69
342d6363675b2034 636e6172622d335f
6973697665722068 3739323531206e6f
4553555328205d33 002978756e694c20
ff00646c69756261 010000000000e008
ffff83022fc87f00 0000000000000292
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2d302e332d6e6578 782034365f363878
782d302e332d6e65 68207032335f3638
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38782d302e332d6d 7668207032335f36
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2d30003139303132 782034365f363878
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ffff800000000000 0000000000001000
namesz: 4
descz: 8
type: 2000003 (XEN_ELFNOTE_DUMPCORE_FORMAT_VERSION)
name: Xen
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Elf64_Shdr:
sh_name: 15 ".xen_prstatus"
sh_type: 1 (SHT_PROGBITS)
sh_flags: 0
sh_addr: 0
sh_offset: 768
sh_size: 50c0
sh_link: 0
sh_info: 0
sh_addralign: 8
sh_entsize: 1430
Elf64_Shdr:
sh_name: 23 ".xen_shared_info"
sh_type: 1 (SHT_PROGBITS)
sh_flags: 0
sh_addr: 0
sh_offset: 5828
sh_size: 1000
sh_link: 0
sh_info: 0
sh_addralign: 8
sh_entsize: 1000
Elf64_Shdr:
sh_name: 34 ".xen_pages"
sh_type: 1 (SHT_PROGBITS)
sh_flags: 0
sh_addr: 0
sh_offset: 7000
sh_size: 20000000
sh_link: 0
sh_info: 0
sh_addralign: 1000
sh_entsize: 1000
Elf64_Shdr:
sh_name: 3f ".xen_p2m"
sh_type: 1 (SHT_PROGBITS)
sh_flags: 0
sh_addr: 0
sh_offset: 20007000
sh_size: 200000
sh_link: 0
sh_info: 0
sh_addralign: 8
sh_entsize: 10
gdb vmlinux-2.6.27.19-5-xen.debug
GNU gdb (GDB) 7.0
Copyright (C) 2009 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-unknown-linux-gnu"...
GETBUF(248 -> 0)
GETBUF(1500 -> 1)
FREEBUF(1)
FREEBUF(0)
<readmem: ffffffff8047bec0, KVADDR, "kernel_config_data", 32768, (ROE), 1886ee0>
addr: ffffffff8047bec0 paddr: 47bec0 cnt: 320
GETBUF(248 -> 0)
FREEBUF(0)
MEMBER_OFFSET(vcpu_guest_context, ctrlreg): 4984
ctrlreg[0]: 8005003b
ctrlreg[1]: db1d000
ctrlreg[2]: 7fff28c5fde8
ctrlreg[3]: db55000
ctrlreg[4]: 2660
ctrlreg[5]: 0
ctrlreg[6]: 0
ctrlreg[7]: 0
page: found mfn 0xdb55 (56149) at index 125749
contents of PML4 page:
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crash: cannot resolve "end_pfn"
SLES11-40:/dat/bnx2_core # ls -al ../xen_vm/sles11.dumpcore
-rw------- 1 root root 538996808 Mar 4 09:34 ../xen_vm/sles11.dumpcore
SLES11-40:/dat/bnx2_core # file ../xen_vm/sles11.dumpcore
../xen_vm/sles11.dumpcore: ELF 64-bit LSB core file x86-64, version 1
SLES11-40:/dat/bnx2_core # gdb vmlinux-2.6.27.19-5-xen ../xen_vm/sles11.dumpcore
GNU gdb (GDB) SUSE (7.0-0.4.16)
Copyright (C) 2009 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-suse-linux".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from /dat/bnx2_core/vmlinux-2.6.27.19-5-xen...Reading symbols from /dat/bnx2_core/vmlinux-2.6.27.19-5-xen.debug...done.
done.
"/dat/bnx2_core/../xen_vm/sles11.dumpcore" is not a core dump: File format not recognized
(gdb) q
SLES11-40:/dat/bnx2_core #
the paravituralized vm config:
SLES11-40:/etc/xen/vm # cat sles11
name="sles11"
description="None"
uuid="cf40dbdb-b50d-9c25-7c07-14441d7ae478"
memory=512
maxmem=512
vcpus=4
on_poweroff="destroy"
on_reboot="restart"
on_crash="destroy"
localtime=0
keymap="en-us"
builder="linux"
bootloader="/usr/bin/pygrub"
bootargs=""
extra=" "
disk=[ 'file:/dat/vms/sles11_pv,xvda,w', 'file:/dat/iso/SLES-11-DVD-x86_64-GM-DVD1.iso,xvdb:cdrom,r', ]
vif=[ 'mac=00:16:3e:61:b3:96,bridge=br3', ]
vfb=['type=vnc,vncunused=1']
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