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* [Bug python/16294] New: failed assertion if running program from exited event handler (Python)
@ 2013-12-05 3:23 brobecker at gnat dot com
2013-12-05 3:24 ` [Bug python/16294] " brobecker at gnat dot com
2013-12-05 3:27 ` brobecker at gnat dot com
0 siblings, 2 replies; 3+ messages in thread
From: brobecker at gnat dot com @ 2013-12-05 3:23 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=16294
Bug ID: 16294
Summary: failed assertion if running program from exited event
handler (Python)
Product: gdb
Version: HEAD
Status: NEW
Severity: normal
Priority: P2
Component: python
Assignee: unassigned at sourceware dot org
Reporter: brobecker at gnat dot com
Created attachment 7313
--> https://sourceware.org/bugzilla/attachment.cgi?id=7313&action=edit
Python script file
With the following dummy program...
| int
| main (void)
| {
| return 0;
| }
... compiled using ...
% gcc -g -o dummy dummy.c
... and the following Python/GDB script called 'crun.py' ...
| do_rerun = True
| def exit_handler(event):
| global do_rerun
| if do_rerun:
| do_rerun = False
| print "Program exited once. Run it a second time."
| gdb.execute('run')
| gdb.events.exited.connect(exit_handler)
... the following scenario produces a failed assertion:
| % gdb dummy
| (gdb) source crun.py
| (gdb) run
| Starting program: /[...]/dummy
| [Inferior 1 (process 22353) exited normally]
| Program exited once. Run it a second time.
| [Inferior 1 (process 22357) exited normally]
| /[...]/gdb/infrun.c:1183: internal-error:
remove_displaced_stepping_state: Assertion `pid != 0' failed.
I had hoped to be able to investigate this problem quickly. But I've been stuck
doing other things, at the moment, so I am creating this PR to make sure I
don't forget it.
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* [Bug python/16294] failed assertion if running program from exited event handler (Python)
2013-12-05 3:23 [Bug python/16294] New: failed assertion if running program from exited event handler (Python) brobecker at gnat dot com
@ 2013-12-05 3:24 ` brobecker at gnat dot com
2013-12-05 3:27 ` brobecker at gnat dot com
1 sibling, 0 replies; 3+ messages in thread
From: brobecker at gnat dot com @ 2013-12-05 3:24 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=16294
Joel Brobecker <brobecker at gnat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Assignee|unassigned at sourceware dot org |brobecker at adacore dot com
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* [Bug python/16294] failed assertion if running program from exited event handler (Python)
2013-12-05 3:23 [Bug python/16294] New: failed assertion if running program from exited event handler (Python) brobecker at gnat dot com
2013-12-05 3:24 ` [Bug python/16294] " brobecker at gnat dot com
@ 2013-12-05 3:27 ` brobecker at gnat dot com
1 sibling, 0 replies; 3+ messages in thread
From: brobecker at gnat dot com @ 2013-12-05 3:27 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=16294
--- Comment #1 from Joel Brobecker <brobecker at gnat dot com> ---
I was able to reproduce the problem in 7.4 and 7.5 as well. So I think we can
rule out that this is a recent regression (and thus not block 7.7 for this
bug).
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2013-12-05 3:23 [Bug python/16294] New: failed assertion if running program from exited event handler (Python) brobecker at gnat dot com
2013-12-05 3:24 ` [Bug python/16294] " brobecker at gnat dot com
2013-12-05 3:27 ` brobecker at gnat dot com
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