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Re: Failing QEMU iotests

From: Hanna Reitz
Subject: Re: Failing QEMU iotests
Date: Wed, 17 Nov 2021 11:59:22 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.3.0 
On 17.11.21 11:07, Thomas Huth wrote:


 Hi!

I think it has been working fine for me a couple of weeks ago,
but when I now run:

 make check SPEED=slow

I'm getting a couple of failing iotests... not sure whether
these are known issues already, so I thought I'd summarize them
here:


Thanks!


*** First one is 045 in raw mode: ***

 TEST   iotest-raw: 045 [fail]
QEMU          -- "/home/thuth/tmp/qemu-build/tests/qemu-iotests/../../qemu-system-x86_64" -nodefaults -display none -accel qtest QEMU_IMG      -- "/home/thuth/tmp/qemu-build/tests/qemu-iotests/../../qemu-img" QEMU_IO       -- "/home/thuth/tmp/qemu-build/tests/qemu-iotests/../../qemu-io" --cache writeback --aio threads -f raw QEMU_NBD      -- "/home/thuth/tmp/qemu-build/tests/qemu-iotests/../../qemu-nbd" 
IMGFMT        -- raw
IMGPROTO      -- file
PLATFORM      -- Linux/x86_64 thuth 4.18.0-305.19.1.el8_4.x86_64
TEST_DIR      -- /home/thuth/tmp/qemu-build/tests/qemu-iotests/scratch
SOCK_DIR      -- /tmp/tmphlexdrlt
GDB_OPTIONS   --
VALGRIND_QEMU --
PRINT_QEMU_OUTPUT --

--- /home/thuth/devel/qemu/tests/qemu-iotests/045.out
+++ 045.out.bad
@@ -1,5 +1,77 @@
-...........
+......EE.EE
+======================================================================
+ERROR: test_add_fd (__main__.TestSCMFd)
+----------------------------------------------------------------------
+Traceback (most recent call last):
+  File "/home/thuth/devel/qemu/tests/qemu-iotests/045", line 148, in test_add_fd 
+    self._send_fd_by_SCM()
+  File "/home/thuth/devel/qemu/tests/qemu-iotests/045", line 144, in _send_fd_by_SCM 
+    ret = self.vm.send_fd_scm(file_path=image0)
+  File "/home/thuth/devel/qemu/python/qemu/machine/machine.py", line 229, in send_fd_scm 
+    self._qmp.send_fd_scm(fd)
+  File "/home/thuth/devel/qemu/python/qemu/aqmp/legacy.py", line 138, in send_fd_scm 
+    self._aqmp.send_fd_scm(fd)
+  File "/home/thuth/devel/qemu/python/qemu/aqmp/protocol.py", line 149, in _wrapper 
+    return func(proto, *args, **kwargs)
+  File "/home/thuth/devel/qemu/python/qemu/aqmp/qmp_client.py", line 644, in send_fd_scm 
+    sock = sock._sock  # pylint: disable=protected-access
+AttributeError: 'socket' object has no attribute '_sock'
+
+======================================================================
+ERROR: test_closefd (__main__.TestSCMFd)
+----------------------------------------------------------------------
+Traceback (most recent call last):
+  File "/home/thuth/devel/qemu/tests/qemu-iotests/045", line 165, in test_closefd 
+    self._send_fd_by_SCM()
+  File "/home/thuth/devel/qemu/tests/qemu-iotests/045", line 144, in _send_fd_by_SCM 
+    ret = self.vm.send_fd_scm(file_path=image0)
+  File "/home/thuth/devel/qemu/python/qemu/machine/machine.py", line 229, in send_fd_scm 
+    self._qmp.send_fd_scm(fd)
+  File "/home/thuth/devel/qemu/python/qemu/aqmp/legacy.py", line 138, in send_fd_scm 
+    self._aqmp.send_fd_scm(fd)
+  File "/home/thuth/devel/qemu/python/qemu/aqmp/protocol.py", line 149, in _wrapper 
+    return func(proto, *args, **kwargs)
+  File "/home/thuth/devel/qemu/python/qemu/aqmp/qmp_client.py", line 644, in send_fd_scm 
+    sock = sock._sock  # pylint: disable=protected-access
+AttributeError: 'socket' object has no attribute '_sock'
+
+======================================================================
+ERROR: test_getfd (__main__.TestSCMFd)
+----------------------------------------------------------------------
+Traceback (most recent call last):
+  File "/home/thuth/devel/qemu/tests/qemu-iotests/045", line 153, in test_getfd 
+    self._send_fd_by_SCM()
+  File "/home/thuth/devel/qemu/tests/qemu-iotests/045", line 144, in _send_fd_by_SCM 
+    ret = self.vm.send_fd_scm(file_path=image0)
+  File "/home/thuth/devel/qemu/python/qemu/machine/machine.py", line 229, in send_fd_scm 
+    self._qmp.send_fd_scm(fd)
+  File "/home/thuth/devel/qemu/python/qemu/aqmp/legacy.py", line 138, in send_fd_scm 
+    self._aqmp.send_fd_scm(fd)
+  File "/home/thuth/devel/qemu/python/qemu/aqmp/protocol.py", line 149, in _wrapper 
+    return func(proto, *args, **kwargs)
+  File "/home/thuth/devel/qemu/python/qemu/aqmp/qmp_client.py", line 644, in send_fd_scm 
+    sock = sock._sock  # pylint: disable=protected-access
+AttributeError: 'socket' object has no attribute '_sock'
+
+======================================================================
+ERROR: test_getfd_invalid_fdname (__main__.TestSCMFd)
+----------------------------------------------------------------------
+Traceback (most recent call last):
+  File "/home/thuth/devel/qemu/tests/qemu-iotests/045", line 158, in test_getfd_invalid_fdname 
+    self._send_fd_by_SCM()
+  File "/home/thuth/devel/qemu/tests/qemu-iotests/045", line 144, in _send_fd_by_SCM 
+    ret = self.vm.send_fd_scm(file_path=image0)
+  File "/home/thuth/devel/qemu/python/qemu/machine/machine.py", line 229, in send_fd_scm 
+    self._qmp.send_fd_scm(fd)
+  File "/home/thuth/devel/qemu/python/qemu/aqmp/legacy.py", line 138, in send_fd_scm 
+    self._aqmp.send_fd_scm(fd)
+  File "/home/thuth/devel/qemu/python/qemu/aqmp/protocol.py", line 149, in _wrapper 
+    return func(proto, *args, **kwargs)
+  File "/home/thuth/devel/qemu/python/qemu/aqmp/qmp_client.py", line 644, in send_fd_scm 
+    sock = sock._sock  # pylint: disable=protected-access
+AttributeError: 'socket' object has no attribute '_sock'
+
 ----------------------------------------------------------------------
 Ran 11 tests

-OK
+FAILED (errors=4)


Sounds like something for John. O:)



*** Second failure is in 206 in qcow2 mode: ***

  TEST   iotest-qcow2: 206 [fail]
QEMU          -- "/home/thuth/tmp/qemu-build/tests/qemu-iotests/../../qemu-system-x86_64" -nodefaults -display none -accel qtest QEMU_IMG      -- "/home/thuth/tmp/qemu-build/tests/qemu-iotests/../../qemu-img" QEMU_IO       -- "/home/thuth/tmp/qemu-build/tests/qemu-iotests/../../qemu-io" --cache writeback --aio threads -f qcow2 QEMU_NBD      -- "/home/thuth/tmp/qemu-build/tests/qemu-iotests/../../qemu-nbd" 
IMGFMT        -- qcow2
IMGPROTO      -- file
PLATFORM      -- Linux/x86_64 thuth 4.18.0-305.19.1.el8_4.x86_64
TEST_DIR      -- /home/thuth/tmp/qemu-build/tests/qemu-iotests/scratch
SOCK_DIR      -- /tmp/tmpqg73ug_s
GDB_OPTIONS   --
VALGRIND_QEMU --
PRINT_QEMU_OUTPUT --

--- /home/thuth/devel/qemu/tests/qemu-iotests/206.out
+++ 206.out.bad
@@ -99,55 +99,19 @@
 {"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "qcow2", "encrypt": {"cipher-alg": "twofish-128", "cipher-mode": "ctr", "format": "luks", "hash-alg": "sha1", "iter-time": 10, "ivgen-alg": "plain64", "ivgen-hash-alg": "md5", "key-secret": "keysec0"}, "file": {"driver": "file", "filename": "TEST_DIR/PID-t.qcow2"}, "size": 33554432}}} 
 {"return": {}}
+Job failed: Unsupported cipher algorithm twofish-128 with ctr mode
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}

 image: TEST_IMG
 file format: IMGFMT
 virtual size: 32 MiB (33554432 bytes)
-encrypted: yes
 cluster_size: 65536
 Format specific information:
     compat: 1.1
     compression type: zlib
     lazy refcounts: false
     refcount bits: 16
-    encrypt:
-        ivgen alg: plain64
-        hash alg: sha1
-        cipher alg: twofish-128
-        uuid: XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX
-        format: luks
-        cipher mode: ctr
-        slots:
-            [0]:
-                active: true
-                iters: XXX
-                key offset: 4096
-                stripes: 4000
-            [1]:
-                active: false
-                key offset: 69632
-            [2]:
-                active: false
-                key offset: 135168
-            [3]:
-                active: false
-                key offset: 200704
-            [4]:
-                active: false
-                key offset: 266240
-            [5]:
-                active: false
-                key offset: 331776
-            [6]:
-                active: false
-                key offset: 397312
-            [7]:
-                active: false
-                key offset: 462848
-        payload offset: 528384
-        master key iters: XXX
     corrupt: false
     extended l2: false
I doubt this worked a couple of weeks ago, but it’s definitely one that we should just get around to fixing. :/ 



*** Third one is in 297, both raw and qcow2 mode: ***

--- /home/thuth/devel/qemu/tests/qemu-iotests/297.out
+++ 297.out.bad
@@ -1,2 +1,21 @@
 === pylint ===
+************* Module image-fleecing
+tests/image-fleecing:34:24: C0326: Exactly one space required after comma 
+patterns = [('0x5d', '0',         '64k'),
+                        ^ (bad-whitespace)
+tests/image-fleecing:35:25: C0326: Exactly one space required after comma 
+            ('0xd5', '1M',        '64k'),
+                         ^ (bad-whitespace)
+tests/image-fleecing:36:26: C0326: Exactly one space required after comma 
+            ('0xdc', '32M',       '64k'),
+                          ^ (bad-whitespace)
+tests/image-fleecing:39:25: C0326: Exactly one space required after comma 
+overwrite = [('0xab', '0',         '64k'), # Full overwrite
+                         ^ (bad-whitespace)
+tests/image-fleecing:48:32: C0326: Exactly one space required after comma +remainder = [('0xd5', '0x108000',  '32k'), # Right-end of partial-left [1] 
+                                ^ (bad-whitespace)
+tests/image-fleecing:49:27: C0326: Exactly one space required after comma +             ('0xdc', '32M',       '32k'), # Left-end of partial-right [2] 
+                           ^ (bad-whitespace)
This could be because your pylint is too old.  At least for the python/ tests we at least require 2.8.0 (https://lists.nongnu.org/archive/html/qemu-block/2021-10/msg00768.html) and bad-whitespace was removed in 2.6. 

Hanna
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