1#!/bin/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 22owner=kwolf@redhat.com 23 24seq=`basename $0` 25echo "QA output created by $seq" 26 27here=`pwd` 28status=1 # failure is the default! 29 30_cleanup() 31{ 32 _cleanup_test_img 33 true 34} 35trap "_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_supported_os Linux 45# refcount_bits must be at least 4 so we can create ten internal snapshots 46# (1 bit supports none, 2 bits support two, 4 bits support 14) 47_unsupported_imgopts 'refcount_bits=\(1\|2\)[^0-9]' 48 49echo 50echo "creating image" 51_make_test_img 1M 52 53for i in `seq 1 10`; do 54 echo "savevm $i" 55 $QEMU -nographic -hda "$TEST_IMG" -serial none -monitor stdio >/dev/null 2>&1 <<EOF 56savevm test-$i 57quit 58EOF 59done 60 61echo 62echo "checking image for errors" 63_check_test_img 64 65# success, all done 66echo "*** done" 67rm -f $seq.full 68status=0 69