Nico Raffo wrote:
> On Jul 22, 5:18 am, James Vega <[email protected]> wrote:
> > On Thu, Jul 22, 2010 at 12:36:27AM -0700, Nico Raffo wrote:
> > > If Vim is compiled with both --enable-pythoninterp and --enable-
> > > python3interp, errors occur when importing many python modules. To
> > > reproduce, compile as described then try something like:
> >
> > > :py import termios
> >
> > I had been meaning to check whether something like that would happen with
> > the
> > Python interfaces. I saw something similar when testing the Perl interface.
> > Does the attached patch fix it?
> >
>
> Thanks. This gets us half way there. I now can import termios with
> both versions of python installed. However if you import it from both
> during one Vim session then Vim crashes and freezes my terminal.
>
> To reproduce, compile the latest with --enable-pythoninterp and --
> enable-python3interp and with James' patch. Launch Vim and run
>
> :py import termios
> :py3 import termios
>
> Vim: Caught deadly signal ABRT
>
> At this point Vim is gone and my gnome terminal has to be killed.
I also see the crash. I can recover the terminal (by starting Vim
again).
The output is:
*** glibc detected *** ./vim: free(): invalid pointer: 0xb76990e0 ***
======= Backtrace: =========
/lib/tls/i686/cmov/libc.so.6(+0x6b591)[0x1053591]
/lib/tls/i686/cmov/libc.so.6(+0x6cde8)[0x1054de8]
/lib/tls/i686/cmov/libc.so.6(cfree+0x6d)[0x1057ecd]
/usr/lib/libpython2.6.so(PyObject_Free+0x54)[0x4168ea4]
/usr/lib/libpython2.6.so(+0x9d213)[0x4190213]
/usr/lib/libpython3.1.so(PyUnicode_InternInPlace+0xd6)[0x11ca576]
/usr/lib/libpython3.1.so(PyUnicode_InternFromString+0x33)[0x11d17e3]
/usr/lib/libpython3.1.so(+0x785d8)[0x11ba5d8]
/usr/lib/libpython3.1.so(PyType_Ready+0x87)[0x11bf7c7]
/usr/lib/libpython3.1.so(_Py_ReadyTypes+0xa4)[0x11ac174]
/usr/lib/libpython3.1.so(Py_InitializeEx+0x86)[0x1218ff6]
/usr/lib/libpython3.1.so(Py_Initialize+0x1e)[0x12195ae]
./vim[0x8211611]
./vim[0x821167c]
./vim(ex_py3+0x41)[0x821179c]
./vim[0x80c89d9]
./vim(do_cmdline+0x944)[0x80c62b2]
./vim[0x814db42]
./vim(normal_cmd+0xf59)[0x8147278]
./vim(main_loop+0x584)[0x8109079]
./vim(main+0xd7c)[0x8108ad0]
/lib/tls/i686/cmov/libc.so.6(__libc_start_main+0xe6)[0xffebd6]
./vim[0x8073f71]
In gdb the stack trace is:
#0 0x0012d422 in __kernel_vsyscall ()
#1 0x00a14651 in *__GI_raise (sig=6)
at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
#2 0x00a17a82 in *__GI_abort () at abort.c:92
#3 0x00a4b49d in __libc_message (do_abort=2,
fmt=0xb1ff98 "*** glibc detected *** %s: %s: 0x%s ***\n")
at ../sysdeps/unix/sysv/linux/libc_fatal.c:189
#4 0x00a55591 in malloc_printerr (action=<value optimized out>,
str=0x6 <Address 0x6 out of bounds>, ptr=0xb7dbe0e0) at malloc.c:6264
#5 0x00a56de8 in _int_free (av=<value optimized out>, p=<value optimized out>)
at malloc.c:4792
#6 0x00a59ecd in *__GI___libc_free (mem=0xb7dbe0e0) at malloc.c:3738
#7 0x00f65ea4 in PyObject_Free () from /usr/lib/libpython2.6.so
#8 0x00f8d213 in ?? () from /usr/lib/libpython2.6.so
#9 0x0136f576 in PyUnicode_InternInPlace () from /usr/lib/libpython3.1.so
#10 0x013767e3 in PyUnicode_InternFromString () from /usr/lib/libpython3.1.so
#11 0x0135f5d8 in ?? () from /usr/lib/libpython3.1.so
#12 0x013647c7 in PyType_Ready () from /usr/lib/libpython3.1.so
#13 0x01351174 in _Py_ReadyTypes () from /usr/lib/libpython3.1.so
#14 0x013bdff6 in Py_InitializeEx () from /usr/lib/libpython3.1.so
#15 0x013be5ae in Py_Initialize () from /usr/lib/libpython3.1.so
#16 0x08211611 in Python3_Init () at if_python3.c:527
#17 0x0821167c in DoPy3Command (eap=0xbfffee8c, cmd=0x83cf76c "import termios")
at if_python3.c:588
#18 0x0821179c in ex_py3 (eap=0xbfffee8c) at if_python3.c:643
#19 0x080c89d9 in do_one_cmd (cmdlinep=0xbffff040, sourcing=0,
cstack=0xbffff048, fgetline=0x80dbb9d <getexline>, cookie=0x0)
at ex_docmd.c:2656
#20 0x080c62b2 in do_cmdline (cmdline=0x0, getline=0x80dbb9d <getexline>,
cookie=0x0, flags=0) at ex_docmd.c:1122
#21 0x0814db42 in nv_colon (cap=0xbffff3ac) at normal.c:5295
#22 0x08147278 in normal_cmd (oap=0xbffff46c, toplevel=1) at normal.c:1188
#23 0x08109079 in main_loop (cmdwin=0, noexmode=0) at main.c:1256
#24 0x08108ad0 in main (argc=1, argv=0xbffff6b4) at main.c:964
That it jumps from libpython3.1.so to a function in libpython2.6.so
looks bad.
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