202277f43d
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>
48 lines
1.6 KiB
Python
Executable File
48 lines
1.6 KiB
Python
Executable File
#!/usr/bin/env python
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#
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# Regression test for throttle group member unregister segfault with iothread
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#
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# Copyright (c) 2019 Red Hat, Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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import sys
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import os
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import iotests
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from iotests import log
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sys.path.append(os.path.join(os.path.dirname(__file__), '..', '..', 'scripts'))
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from qemu import QEMUMachine
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if iotests.qemu_default_machine == 's390-ccw-virtio':
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virtio_scsi_device = 'virtio-scsi-ccw'
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else:
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virtio_scsi_device = 'virtio-scsi-pci'
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vm = QEMUMachine(iotests.qemu_prog)
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vm.add_args('-machine', 'accel=kvm')
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vm.launch()
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log(vm.qmp('blockdev-add', node_name='hd0', driver='null-co'))
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log(vm.qmp('object-add', qom_type='iothread', id='iothread0'))
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log(vm.qmp('device_add', id='scsi0', driver=virtio_scsi_device, iothread='iothread0'))
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log(vm.qmp('device_add', id='scsi-hd0', driver='scsi-hd', drive='hd0'))
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log(vm.qmp('block_set_io_throttle', id='scsi-hd0', bps=0, bps_rd=0, bps_wr=0,
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iops=1000, iops_rd=0, iops_wr=0, conv_keys=False))
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log(vm.qmp('device_del', id='scsi-hd0'))
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vm.shutdown()
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