[issue23249] test_win32 fails on aarch64

[Irit Katriel]

Change by Irit Katriel :


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status: open -> closed

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[issue23249] test_win32 fails on aarch64

[STINNER Victor]

STINNER Victor  added the comment:

> Original bug report at https://bugzilla.redhat.com/show_bug.cgi?id=1174037

The bug was reported on Fedora (Linux).

We do now have a multiple AArch64 buildbots running Fedora and the whole test 
suite now pass there.

Example with "aarch64 Fedora Stable 3.x":
https://buildbot.python.org/all/#/builders/125/builds/612

"0:00:03 load avg: 4.20 [ 62/427] test_ctypes passed"

So yes, this issue can now be fixed ;-)

FYI Python is built with --with-system-ffi on Fedora, but buildbots don't use 
this flag. I'm working on using --with-system-ffi on buildbots, see:
https://github.com/python/buildmaster-config/pull/264

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[issue23249] test_win32 fails on aarch64

[Irit Katriel]

Change by Irit Katriel :


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status: closed -> pending

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[issue23249] test_win32 fails on aarch64

[Irit Katriel]

Irit Katriel  added the comment:

I believe we are on libffi 3.3 now - the code on that branch looks very 
different from this patch. Can we close this issue?

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nosy: +iritkatriel
resolution:  -> out of date
stage:  -> resolved
status: open -> closed

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[issue23249] test_win32 fails on aarch64

[Robert Kuska]

Robert Kuska added the comment:

Sorry for the late answer, I forgot about this issue.

3.2.1 doesn't contain required fix(sorry for the misleading suggestion 'or 
update bundled libffi' from report) but master branch at upstream repo 
(https://github.com/atgreen/libffi) does.

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[issue23249] test_win32 fails on aarch64

[Antoine Pitrou]

Changes by Antoine Pitrou pit...@free.fr:


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nosy: +doko, meador.inge

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[issue23249] test_win32 fails on aarch64

[Robert Kuska]

New submission from Robert Kuska:

Original bug report at https://bugzilla.redhat.com/show_bug.cgi?id=1174037
Additional informations at Issue #20160

Note that this was reproduced not only with separate libffi package but also 
with libffi bundled in python.
Reproduced with Python 2.7.9 but same issue should exists also in 3.4.x.

Richard Henderson provided fix in original bug report at bugzilla (attached).

Summary:
==
FAIL: test_struct_by_value (ctypes.test.test_win32.Structures)
--
Traceback (most recent call last):
  File /builddir/build/BUILD/Python-2.7.9/Lib/ctypes/test/test_win32.py, line 
112, in test_struct_by_value
self.assertEqual(ret.left, left.value)
AssertionError: -200 != 10
--

(gdb) b ReturnRect
Function ReturnRect not defined.
Make breakpoint pending on future shared library load? (y or [n]) y
Breakpoint 1 (ReturnRect) pending.
(gdb) run test_win32.py
Starting program: /usr/bin/python test_win32.py
Missing separate debuginfos, use: debuginfo-install 
glibc-2.20.90-12.fc22.aarch64
[Thread debugging using libthread_db enabled]
Using host libthread_db library /lib64/libthread_db.so.1.

Breakpoint 1, ReturnRect (i=0, ar=..., br=0x59b750, cp=..., dr=..., 
er=0x59b750, fp=..., 
gr=error reading variable: Cannot access memory at address 
0x)
at /usr/src/debug/Python-2.7.9/Modules/_ctypes/_ctypes_test.c:552
552 if (ar.left + br-left + dr.left + er-left + gr.left != left * 5)
(gdb) p fp
$1 = {x = 4396722194992, y = 5879632}
(gdb) p cp
$2 = {x = 15, y = 25}
(gdb)

Consider to apply a patch or update bundled libffi.

--
components: ctypes
files: libffi-henderson
messages: 234119
nosy: rkuska
priority: normal
severity: normal
status: open
title: test_win32 fails on aarch64
type: crash
versions: Python 2.7, Python 3.4
Added file: http://bugs.python.org/file37723/libffi-henderson

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[issue23249] test_win32 fails on aarch64

[Robert Kuska]

Changes by Robert Kuska rku...@gmail.com:


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keywords: +patch
Added file: http://bugs.python.org/file37724/libffi-mattip.patch

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[issue23249] test_win32 fails on aarch64

[Matěj Stuchlík]

Changes by Matěj Stuchlík matej.stuch...@gmail.com:


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[issue23249] test_win32 fails on aarch64

[STINNER Victor]

STINNER Victor added the comment:

  libffi-3.2.1 was released on November 12, 2014. You can ftp it from 
 sourceware.org:/pub/libffi/libffi-3.2.1.tar.gz. 

Does this version include libffi-henderson patch?

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