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authorStefan Hajnoczi <stefanha@redhat.com>2017-12-07 20:13:20 +0000
committerStefan Hajnoczi <stefanha@redhat.com>2017-12-19 10:25:09 +0000
commit7a9dda0d7f9831c2432620dcfefdadbb7ae888dc (patch)
tree911b6390f622a7cca5c7d91af74c263ad6610fc5 /tests
parent2362a28ea11c145e1a13ae79342d76dc118a72a6 (diff)
qemu-iotests: add 203 savevm with IOThreads test
This test case will prevent future regressions with savevm and IOThreads. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-id: 20171207201320.19284-7-stefanha@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'tests')
-rwxr-xr-xtests/qemu-iotests/20359
-rw-r--r--tests/qemu-iotests/203.out6
-rw-r--r--tests/qemu-iotests/group1
3 files changed, 66 insertions, 0 deletions
diff --git a/tests/qemu-iotests/203 b/tests/qemu-iotests/203
new file mode 100755
index 0000000000..2c811917d8
--- /dev/null
+++ b/tests/qemu-iotests/203
@@ -0,0 +1,59 @@
+#!/usr/bin/env python
+#
+# Copyright (C) 2017 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: Stefan Hajnoczi <stefanha@redhat.com>
+#
+# Check that QMP 'migrate' with multiple drives on a single IOThread completes
+# successfully. This particular command triggered a hang in the source QEMU
+# process due to recursive AioContext locking in bdrv_invalidate_all() and
+# BDRV_POLL_WHILE().
+
+import iotests
+
+iotests.verify_image_format(supported_fmts=['qcow2'])
+iotests.verify_platform(['linux'])
+
+with iotests.FilePath('disk0.img') as disk0_img_path, \
+ iotests.FilePath('disk1.img') as disk1_img_path, \
+ iotests.VM() as vm:
+
+ img_size = '10M'
+ iotests.qemu_img_pipe('create', '-f', iotests.imgfmt, disk0_img_path, img_size)
+ iotests.qemu_img_pipe('create', '-f', iotests.imgfmt, disk1_img_path, img_size)
+
+ iotests.log('Launching VM...')
+ (vm.add_object('iothread,id=iothread0')
+ .add_drive(disk0_img_path, 'node-name=drive0-node', interface='none')
+ .add_drive(disk1_img_path, 'node-name=drive1-node', interface='none')
+ .launch())
+
+ iotests.log('Setting IOThreads...')
+ iotests.log(vm.qmp('x-blockdev-set-iothread',
+ node_name='drive0-node', iothread='iothread0',
+ force=True))
+ iotests.log(vm.qmp('x-blockdev-set-iothread',
+ node_name='drive1-node', iothread='iothread0',
+ force=True))
+
+ iotests.log('Starting migration...')
+ iotests.log(vm.qmp('migrate', uri='exec:cat >/dev/null'))
+ while True:
+ vm.get_qmp_event(wait=60.0)
+ result = vm.qmp('query-migrate')
+ status = result.get('return', {}).get('status', None)
+ if status == 'completed':
+ break
diff --git a/tests/qemu-iotests/203.out b/tests/qemu-iotests/203.out
new file mode 100644
index 0000000000..3f1ff900e4
--- /dev/null
+++ b/tests/qemu-iotests/203.out
@@ -0,0 +1,6 @@
+Launching VM...
+Setting IOThreads...
+{u'return': {}}
+{u'return': {}}
+Starting migration...
+{u'return': {}}
diff --git a/tests/qemu-iotests/group b/tests/qemu-iotests/group
index d0ee1e2e55..93d96fb22f 100644
--- a/tests/qemu-iotests/group
+++ b/tests/qemu-iotests/group
@@ -198,3 +198,4 @@
198 rw auto
200 rw auto
202 rw auto quick
+203 rw auto