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1 #!/usr/bin/env bash 2 # group: snapshot auto 3 # 4 # Check for one possible case of qcow2 refcount corruption. 5 # 6 # Copyright (C) 2009 Red Hat, Inc. 7 # 8 # This program is free software; you can redistribute it and/or modify 9 # it under the terms of the GNU General Public License as published by 10 # the Free Software Foundation; either version 2 of the License, or 11 # (at your option) any later version. 12 # 13 # This program is distributed in the hope that it will be useful, 14 # but WITHOUT ANY WARRANTY; without even the implied warranty of 15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 # GNU General Public License for more details. 17 # 18 # You should have received a copy of the GNU General Public License 19 # along with this program. If not, see <http://www.gnu.org/licenses/>. 20 # 21 22 # creator 23 owner=kwolf@redhat.com 24 25 seq=`basename $0` 26 echo "QA output created by $seq" 27 28 status=1 # failure is the default! 29 30 _cleanup() 31 { 32 _cleanup_test_img 33 true 34 } 35 trap "_cleanup; exit \$status" 0 1 2 3 15 36 37 # get standard environment, filters and checks 38 . ./common.rc 39 . ./common.filter 40 41 # currently only qcow2 allows for consistency checks using qemu-img 42 _supported_fmt qcow2 43 _supported_proto generic 44 # refcount_bits must be at least 4 so we can create ten internal snapshots 45 # (1 bit supports none, 2 bits support two, 4 bits support 14); 46 # snapshot are generally impossible with external data files 47 _unsupported_imgopts 'refcount_bits=\(1\|2\)[^0-9]' data_file 48 49 echo 50 echo "creating image" 51 _make_test_img 1M 52 53 for ((i=1;i<=10;i++)); do 54 echo "savevm $i" 55 $QEMU -nographic -hda "$TEST_IMG" -serial none -monitor stdio >/dev/null 2>&1 <<EOF 56 savevm test-$i 57 quit 58 EOF 59 done 60 61 echo 62 echo "checking image for errors" 63 _check_test_img 64 65 # success, all done 66 echo "*** done" 67 rm -f $seq.full 68 status=0