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 68