qemu-e2k/tests/qemu-iotests/238
Stefan Hajnoczi 202277f43d iotests: add 238 for throttling tgm unregister iothread segfault
Hot-unplug a scsi-hd using an iothread.  The previous patch fixes a
segfault in this scenario.

This patch adds a regression test.

Suggested-by: Alberto Garcia <berto@igalia.com>
Suggested-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Alberto Garcia <berto@igalia.com>
Message-id: 20190114133257.30299-3-stefanha@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2019-01-24 10:02:28 +00:00

48 lines
1.6 KiB
Python
Executable File

#!/usr/bin/env python
#
# Regression test for throttle group member unregister segfault with iothread
#
# Copyright (c) 2019 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/>.
#
import sys
import os
import iotests
from iotests import log
sys.path.append(os.path.join(os.path.dirname(__file__), '..', '..', 'scripts'))
from qemu import QEMUMachine
if iotests.qemu_default_machine == 's390-ccw-virtio':
virtio_scsi_device = 'virtio-scsi-ccw'
else:
virtio_scsi_device = 'virtio-scsi-pci'
vm = QEMUMachine(iotests.qemu_prog)
vm.add_args('-machine', 'accel=kvm')
vm.launch()
log(vm.qmp('blockdev-add', node_name='hd0', driver='null-co'))
log(vm.qmp('object-add', qom_type='iothread', id='iothread0'))
log(vm.qmp('device_add', id='scsi0', driver=virtio_scsi_device, iothread='iothread0'))
log(vm.qmp('device_add', id='scsi-hd0', driver='scsi-hd', drive='hd0'))
log(vm.qmp('block_set_io_throttle', id='scsi-hd0', bps=0, bps_rd=0, bps_wr=0,
iops=1000, iops_rd=0, iops_wr=0, conv_keys=False))
log(vm.qmp('device_del', id='scsi-hd0'))
vm.shutdown()