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-rwxr-xr-xtests/qemu-iotests/1474
-rw-r--r--tests/qemu-iotests/iotests.py9
2 files changed, 8 insertions, 5 deletions
diff --git a/tests/qemu-iotests/147 b/tests/qemu-iotests/147
index 82513279b0..2d84fddb01 100755
--- a/tests/qemu-iotests/147
+++ b/tests/qemu-iotests/147
@@ -24,7 +24,7 @@ import socket
import stat
import time
import iotests
-from iotests import cachemode, imgfmt, qemu_img, qemu_nbd, qemu_nbd_pipe
+from iotests import cachemode, imgfmt, qemu_img, qemu_nbd, qemu_nbd_early_pipe
NBD_PORT_START = 32768
NBD_PORT_END = NBD_PORT_START + 1024
@@ -93,7 +93,7 @@ class QemuNBD(NBDBlockdevAddBase):
pass
def _try_server_up(self, *args):
- status, msg = qemu_nbd_pipe('-f', imgfmt, test_img, *args)
+ status, msg = qemu_nbd_early_pipe('-f', imgfmt, test_img, *args)
if status == 0:
return True
if 'Address already in use' in msg:
diff --git a/tests/qemu-iotests/iotests.py b/tests/qemu-iotests/iotests.py
index 6bcddd8870..f11482f3dc 100644
--- a/tests/qemu-iotests/iotests.py
+++ b/tests/qemu-iotests/iotests.py
@@ -209,9 +209,9 @@ def qemu_nbd(*args):
'''Run qemu-nbd in daemon mode and return the parent's exit code'''
return subprocess.call(qemu_nbd_args + ['--fork'] + list(args))
-def qemu_nbd_pipe(*args):
+def qemu_nbd_early_pipe(*args):
'''Run qemu-nbd in daemon mode and return both the parent's exit code
- and its output'''
+ and its output in case of an error'''
subp = subprocess.Popen(qemu_nbd_args + ['--fork'] + list(args),
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT,
@@ -221,7 +221,10 @@ def qemu_nbd_pipe(*args):
sys.stderr.write('qemu-nbd received signal %i: %s\n' %
(-exitcode,
' '.join(qemu_nbd_args + ['--fork'] + list(args))))
- return exitcode, subp.communicate()[0]
+ if exitcode == 0:
+ return exitcode, ''
+ else:
+ return exitcode, subp.communicate()[0]
def compare_images(img1, img2, fmt1=imgfmt, fmt2=imgfmt):
'''Return True if two image files are identical'''