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 23owner=kwolf@redhat.com 24 25seq=`basename $0` 26echo "QA output created by $seq" 27 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# 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 49echo 50echo "creating image" 51_make_test_img 1M 52 53for ((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 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