tests/qemu-iotests/007

   1 #!/usr/bin/env bash
   2 #
   3 # Check for one possible case of qcow2 refcount corruption.
   4 #
   5 # Copyright (C) 2009 Red Hat, Inc.
   6 #
   7 # This program is free software; you can redistribute it and/or modify
   8 # it under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation; either version 2 of the License, or
  10 # (at your option) any later version.
  11 #
  12 # This program is distributed in the hope that it will be useful,
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 # GNU General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License
  18 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19 #
  20
  21 # creator
  22 owner=kwolf@redhat.com
  23
  24 seq=`basename $0`
  25 echo "QA output created by $seq"
  26
  27 status=1        # failure is the default!
  28
  29 _cleanup()
  30 {
  31         _cleanup_test_img
  32         true
  33 }
  34 trap "_cleanup; exit \$status" 0 1 2 3 15
  35
  36 # get standard environment, filters and checks
  37 . ./common.rc
  38 . ./common.filter
  39
  40 # currently only qcow2 allows for consistency checks using qemu-img
  41 _supported_fmt qcow2
  42 _supported_proto generic
  43 # refcount_bits must be at least 4 so we can create ten internal snapshots
  44 # (1 bit supports none, 2 bits support two, 4 bits support 14);
  45 # snapshot are generally impossible with external data files
  46 _unsupported_imgopts 'refcount_bits=\(1\|2\)[^0-9]' data_file
  47
  48 echo
  49 echo "creating image"
  50 _make_test_img 1M
  51
  52 for ((i=1;i<=10;i++)); do
  53     echo "savevm $i"
  54     $QEMU -nographic -hda "$TEST_IMG" -serial none -monitor stdio >/dev/null 2>&1 <<EOF
  55 savevm test-$i
  56 quit
  57 EOF
  58 done
  59
  60 echo
  61 echo "checking image for errors"
  62 _check_test_img
  63
  64 # success, all done
  65 echo "*** done"
  66 rm -f $seq.full
  67 status=0