Re: Re: Re: Re: crash and sles 9 dumps (Dave Anderson)

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It seems the problem is not one with guest dump, but the version of SLES.

After upgrading my NATIVE SLES 9 system to SP 3, exactly the same problem happened while trying to use 'crash' on the live system, with a debug linux kernel ('vmlinux.dbg' below) built on the same system from matching 'kernel-source' package. (During this upgrade, the linux kernel changed from 2.6.5-7.97-smp to 2.6.5-7.244-smp, the same as that on the guest.)

Has anyone else seen this?

tst037:/boot # ./crash vmlinux-2.6.5-7.244-smp vmlinux.dbg /dev/mem

crash 4.0-4.6
Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007  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 6.1
Copyright 2004 Free Software Foundation, Inc.
GDB 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.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for details.
This GDB was configured as "x86_64-unknown-linux-gnu"...

WARNING: could not find MAGIC_START!
     KERNEL: vmlinux-2.6.5-7.244-smp
DEBUG KERNEL: vmlinux.dbg (2.6.5-7.244-default)
   DUMPFILE: /dev/mem
       CPUS: 4
       DATE: Tue Aug 28 10:57:37 2007
     UPTIME: 213503982284 days, 23:42:22
LOAD AVERAGE: 0.00, 0.01, 0.22
      TASKS: 104
   NODENAME: tst037
    RELEASE: 2.6.5-7.244-smp
    VERSION: #1 SMP Mon Dec 12 18:32:25 UTC 2005
    MACHINE: x86_64  (2793 Mhz)
     MEMORY: 1015808 GB
        PID: 14432
    COMMAND: "crash"
       TASK: 1012fbb0db8  [THREAD_INFO: 5]
        CPU: 3
      STATE: (unknown)

crash> bt
PID: 14432  TASK: 1012fbb0db8       CPU: 3   COMMAND: "crash"
(active)
crash> ps
  PID    PPID  CPU       TASK        ST  %MEM     VSZ    RSS  COMM
> 0 0 0 ffffffff803d2800 RU 0.0 4398751044160 4389851194656 [200^L] > 0 -1 1 10037e1e9a0 RU 0.0 4398425096768 8800221827680 [200^L] > 0 -1 2 10037e1e080 RU 0.0 4398425096768 8800221827680 [200^L] 0 -1 3 100bff6b2d0 RU 0.0 4398425096768 8800221827680 [200^L]
     0      0   3  ffffffff803d2808  ??   0.0       0      0  [swapper]
     1      0   3     10037e1f2c8    ??   0.0     640    320  init
     2     -1   3     100bff6a9b8    ??   0.0       0      0  [migration/0]
     3     -1   3     100bff6a098    ??   0.0       0      0  [ksoftirqd/0]
     4     -1   3     100bfe552e8    ??   0.0       0      0  [migration/1]
     5     -1   3     100bfe549c8    ??   0.0       0      0  [ksoftirqd/1]
     6     -1   3     100bfe540a8    ??   0.0       0      0  [migration/2]
     7     -1   3     100bfe5f2f8    ??   0.0       0      0  [ksoftirqd/2]
     8     -1   3     100bfe5e9d8    ??   0.0       0      0  [migration/3]
     9     -1  3     100bfe5e0b8    ??   0.0       0      0  [ksoftirqd/3]
    10     -1   3     1000a7ef308    ??   0.0       0      0  [events/0]
    11     -1   3     1000a7ee9e8    ??   0.0       0      0  [events/1]
    12     -1   3     1000a7ee0c8    ??   0.0       0      0  [events/2]
    13     -1   3     1000a7f9318    ??   0.0       0      0  [events/3]
    14     -1   3     1000a7f89f8    ??   0.0       0      0  [khelper]
    15     -1   3     1000a7f80d8    ??   0.0       0      0  [kacpid]
    82     -1   3     10037c7f328    ??   0.0       0      0  [kblockd/0]
    83     -1   3     10037c7ea08    ??   0.0       0      0  [kblockd/1]
    84     -1   3     10037c7e0e8    ??   0.0       0      0  [kblockd/2]
    85     -1   3     10037d0d338    ??   0.0       0      0  [kblockd/3]
   110     -1   3     10037d0ca18    ??   0.0       0      0  [pdflush]
   111     -1   3     10037d5b358    ??   0.0       0      0  [pdflush]
   112     -1   3     10037d36108    ??   0.0       0      0  [kswapd0]
   113     -1   3     10037d63368    ??   0.0       0      0  [aio/0]
   114     -1   3     10037d5aa38    ??   0.0       0      0  [aio/1]
   115     -1   3     10037d62a48    ??   0.0       0      0  [aio/2]
   116     -1   3     10037d5a118    ??   0.0       0      0  [aio/3]
  1355     -1   3     10037dbaa68    ??   0.0       0      0  [kseriod]
  2050     -1   3     1013fde0238    ??   0.0       0      0  [scsi_eh_0]
  2224     -1   3     1013fde5488    ??   0.0       0      0  [reiserfs/0]
  2225     -1   3     1013fc2d448    ??   0.0       0      0  [reiserfs/1]
  2226     -1   3     1013fc954d8    ??   0.0       0      0  [reiserfs/2]
  2227     -1   3     10037dcc168    ??   0.0       0      0  [reiserfs/3]
  4282     -1   3     10132400a58    ??   0.0       0      0  [khubd]
  4865     -1   3     10132a2f398    ??   0.0    2560    608  hwscand
  6086     -1   3     10037dbea98    ??   0.0    2512    692  dhcpcd
  7143     -1   3     10132eb9338    ??   0.0    2484    620  irqbalance
  8276     -1   3     1012dff89e8    ??   0.0    5716    924  syslogd
  8282     -1   3     1012d1ff678    ??   0.0    2748   1120  klogd
  8340     -1   3     1012d2129c8    ??   0.0    4580    724  portmap
  8342     -1   3     1013971b2d8    ??   0.0   21460   2336  slpd
  8343     -1   3     1012dc17358    ??   0.1   22396   3696  resmgrd
  8612     -1   3     1012197f398    ??   0.1   31732   7452  cupsd
  8625     -1   3     1012f8ed3c8    ??   0.1   30476   3176  sshd
  8744     -1   3     1012dc16118    ??   0.1   23640   3268  powersaved
  8797     -1   3     1012dff80c8    ??   0.2   99996   7952  slapd
  8820     -1   3     10132a2e158    ??   0.2   99996   7952  slapd
  8982     -1   3     1012156aa48    ??   0.2   99996   7952  slapd
  9523     -1   3     1012e03e0f8    ??   0.0   20104   2376  master
  9539     -1   3     10129c60328    ??   0.1   22640   3996  qmgr
  9555     -1   3     1012d66ccf8    ??   0.2   99996   7952  slapd
  9558     -1   3     1012b6c0338    ??   0.2   99996   7952  slapd
  9656     -1   3     10132eb8a18    ??   0.0   17884   2040  cron
  9661     -1   3     1012f8ecaa8    ??   0.1   35180   4028  nscd
  9662     -1   3     1012cc595e8    ??   0.1   35180   4028  nscd
  9663     -1   3     10037dbf3b8    ??   0.1   35180   4028  nscd
  9664     -1   3     1012ebf75a8    ??   0.1   35180   4028  nscd
  9665     -1   3     10122aa6bc8    ??   0.1   35180   4028  nscd
  9666     -1   3     1013fcdd598    ??   0.1   35180   4028  nscd
  9667     -1   3     10122aa62a8    ??   0.1   35180   4028  nscd
  9773     -1   3     10129c60c48    ??   0.0    8936    980  kdm
  9780     -1   3     10122a3f3b8    ??   0.5   40900  24864  X
  9783     -1   3     1012dcdcd98    ??   0.1   35220   3400  kdm
  9832     -1   3     1013a841678    ??   0.0    2720    768  mingetty
  9833     -1   3     10037dcca88    ??   0.0    2720    768  mingetty
  9834     -1   3     1013a840d58    ??   0.0    2720    768  mingetty
  9835     -1   3     1012d66c3d8    ??   0.0    2720    768  mingetty
  9836     -1   3     1012fa8e428    ??   0.0    2720    768  mingetty
  9837     -1   3     1013fcdcc78    ??   0.0    2720    768  mingetty
  9865     -1   3     10132a2ea78    ??   0.0    8000   1808  kde
  9898     -1   3     101347db548    ??   0.0    6288    932  gpg-agent
  9899     -1   3     1012a4203f8    ??   0.0   21196   2256  ssh-agent
  9923     -1   3     10129542378    ??   0.3   60192  13740  kdeinit
  9926     -1   3     1013971a098    ??   0.3   60972  13780  kdeinit
  9928     -1   3     10132eb80f8    ??   0.3   63436  15452  kdeinit
  9931     -1   3     1012156a128    ??   0.4   78752  21480  kdeinit
  9939     -1   3     101226cf2c8    ??   0.2   35848   8404  artsd
 10009     -1   3     1012d034a08    ??   0.5   94832  27044  kdeinit
 10010     -1   3     101223d1688    ??   0.0    2480    484  kwrapper
 10012     -1   3     101226ce088    ??   0.4   70116  20084  kdeinit
 10013     -1   3     1012b8f8d88    ??   0.4   78556  23520  kdeinit
 10015     -1   3     101347dac28    ??   0.4   70120  22384  kdeinit
 10017     -1   3     101237a14f8    ??   0.4   69476  20816  kdeinit
 10019     -1   3     1012e03ea18    ??   0.5   79308  25180  kdeinit
 10021     -1   3     101295435b8    ??   0.5   86836  25992  kdeinit
 10022     -1   3     10134215378    ??   0.3   62000  14332  kdeinit
 10026     -1   3     1013fde0b58    ??   0.4   75996  23024  kdeinit
 10030     -1   3     10037dbe178    ??   0.5   77916  26192  kdeinit
 10031     -1   3     1013f34aad8    ??   0.4   72728  22036  kpowersave
 10032     -1   3     101295963e8    ??   0.5   79788  26072  suseplugger
 10033     -1   3     1013fde1478    ??   0.4   71832  22452  susewatcher
 10035     -1   3     1012156b368    ??   0.4   75900  23428  kdeinit
 10040     -1   3     1013a840438    ??   0.5   79788  26072  suseplugger
 10050     -1   3     10037dbb388    ??   0.5   81420  25236  kdeinit
 10051     -1   3     1012fbb0498    ??   0.1    8420   2760  bash
 10087     -1   3     1013f34b3f8    ??   0.1   38132   3560  sshd
 10090     -1   3     1012a421638    ??   0.1    9324   2976  bash
 10196     -1   3     1012fbb16d8    ??   0.4   64700  19300  kdesktop_lock
 14432     -1   3     1012fbb0db8    ??   2.4   74380 125620  crash
 14437     -1   3     1012d66d618    ??   0.0    4284   1252  crash
 25011     -1   3     1012b8f96a8    ??   0.0   16920   2180  pickup
crash> bt 1012d1ff678
PID: 8282   TASK: 1012d1ff678       CPU: 3   COMMAND: "klogd"
bt: invalid kernel virtual address: 11  type: "stack contents"
bt: read of stack at 11 failed
crash> task 1012d1ff678
PID: 8282   TASK: 1012d1ff678       CPU: 3   COMMAND: "klogd"
struct task_struct {
 state = 1104534274048,
 thread_info = 0x11,
 usage = {
   counter = 320
 },
 flags = 0,
 ptrace = 498216206335,
 lock_depth = 120,
 prio = 0,
 static_prio = 1048832,
 run_list = {
   next = 0x200200,
   prev = 0x0
 },
 array = 0x11de3f11,
 sleep_avg = 6,
 interactive_credit = 252089242482,
 timestamp = 252089242482,
 last_ran = 0,
 activated = 0,
 policy = 18446744073709551615,
 cpus_allowed = 18446744073709551615,
 time_slice = 7,
 first_time_slice = 1,
 tasks = {
   next = 0x1012d212a58,
   prev = 0x1012dff8a78
crash> q


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