#!/bin/bash # # Check for one possible case of qcow2 refcount corruption. # # Copyright (C) 2009 Red Hat, Inc. # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>. # # creator owner=kwolf@redhat.com seq=`basename $0` echo "QA output created by $seq" here=`pwd` status=1 # failure is the default! _cleanup() { _cleanup_test_img true } trap "_cleanup; exit \$status" 0 1 2 3 15 # get standard environment, filters and checks . ./common.rc . ./common.filter # currently only qcow2 allows for consistency checks using qemu-img _supported_fmt qcow2 _supported_proto generic _supported_os Linux # refcount_bits must be at least 4 so we can create ten internal snapshots # (1 bit supports none, 2 bits support two, 4 bits support 14) _unsupported_imgopts 'refcount_bits=\(1\|2\)[^0-9]' echo echo "creating image" _make_test_img 1M for i in `seq 1 10`; do echo "savevm $i" $QEMU -nographic -hda "$TEST_IMG" -serial none -monitor stdio >/dev/null 2>&1 <<EOF savevm test-$i quit EOF done echo echo "checking image for errors" _check_test_img # success, all done echo "*** done" rm -f $seq.full status=0