[PyQt] Fwd: "pydoc3 PyQt4.QtCore" segfaults

Dmitry Shachnev mitya57 at ubuntu.com
Tue Sep 30 07:40:11 BST 2014


On Tue, Sep 30, 2014 at 9:20 AM, Antony Lee <antony.lee at berkeley.edu> wrote:
> Hi,
> I have observed that "pydoc3 PyQt4.QtCore" segfaults.  This is on Arch Linux
> with Python 3.4.1 and PyQt4 4.11.2 or 4.10.4 (both fail).
> Can anyone confirm the issue?  Is it known?

I can confirm this, with PyQt4 and PyQt5. The segfault seems to happen
when trying to repr() some object:

(gdb) bt full
#0  0x08220c8d in type_qualname (context=0x0, type=0xb78e9e2c) at
        et = 0xb78e9e2c
#1  type_repr.lto_priv () at ../Objects/typeobject.c:819
        mod = 'PyQt5.QtCore'
        rtn = <optimized out>
#2  0x081bca86 in PyObject_Repr (v=<sip.enumtype at remote
0xb78e9e2c>) at ../Objects/object.c:466
        res = <optimized out>
#3  builtin_repr.lto_priv () at ../Python/bltinmodule.c:1851
No locals.
#4  0x08131590 in call_function (oparg=<optimized out>,
pp_stack=<optimized out>) at ../Python/ceval.c:4221
        flags = 140111464
        n = 0

Also, calling help(Qt) or help(QTextEdit) in Python interactive shell
causes a segmentation fault as well.

Dmitry Shachnev

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