Bugs item #971213, was opened at 2004-06-11 16:30
Message generated for change (Comment added) made by mwh
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Category: Python Interpreter Core
Group: None
Status: Open
Resolution: None
Priority: 7
Submitted By: Anthony Baxter (anthonybaxter)
Assigned to: Nobody/Anonymous (nobody)
Summary: another threads+readline+signals nasty
Initial Comment:
python -c "import time, readline, thread;
thread.start_new_thread(raw_input, ()); time.sleep(2)"
Segfaults on ^C<return>
Fails on Linux, freebsd.
On linux (FC - using kernel 2.6.1, glibc 2.3.3, gcc-3.3.3)
(gdb) where
#0 0x002627a2 in _dl_sysinfo_int80 () from
/lib/ld-linux.so.2
#1 0x008172b1 in ___newselect_nocancel () from
/lib/tls/libc.so.6
#2 0x0011280b in time_sleep (self=0x0, args=0xb7fe17ac)
at Modules/timemodule.c:815
on FreeBSD 5.2.1-RC, a different error.
Fatal error 'longjmp()ing between thread contexts is
undefined by POSIX 1003.1' at line 72 in file
/usr/src/lib/libc_r/uthread/uthread_jmp.c (errno = 2)
Abort (core dumped)
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>Comment By: Michael Hudson (mwh)
Date: 2005-10-03 12:13
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I can't, on OS X or debian.
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Comment By: Neal Norwitz (nnorwitz)
Date: 2005-10-03 05:12
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I can reproduce with cvs head (gentoo linux/amd64).
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Comment By: Michael Hudson (mwh)
Date: 2005-04-07 10:03
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I think this is fixed now, as in I can't reproduce it with CVS
HEAD. Not sure why! I can think of a few fixes that might be responsible.
It still messes the terminal up, though.
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Comment By: Michael Hudson (mwh)
Date: 2004-08-07 22:41
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Bah, this still segfaults with CVS head.
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Comment By: Michael Hudson (mwh)
Date: 2004-06-21 11:45
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Can you try the patch that's *now* in 960406? It seems to help
for me (but I really would rather not think too hard about this!).
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Comment By: Michal Pasternak (mpasternak)
Date: 2004-06-11 16:43
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readline used on FreeBSD was readline-4.3pl5; everything else: gcc 3.3.3,
ncurses, libc were standard from 5.2.1.
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Comment By: Anthony Baxter (anthonybaxter)
Date: 2004-06-11 16:39
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The patch in #960406 doesn't help here.
The FC test system also has readline-4.3, if it helps, as
does the FreeBSD box. It apparently doesn't crash on OSX.
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Comment By: Michael Hudson (mwh)
Date: 2004-06-11 16:38
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Hmm. Doesn't crash on OS X. Messes the terminal up good and
proper, though.
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