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* [Bug python/14391] New: gdb.Breakpoint.stop calling gdb.parse_and_eval("(int) $rax") + Ctrl^C crashes GDB (assertion fail)
@ 2012-07-24 14:22 kevin.pouget at gmail dot com
2012-07-31 19:18 ` [Bug python/14391] " tromey at redhat dot com
2012-08-02 13:38 ` tromey at redhat dot com
0 siblings, 2 replies; 3+ messages in thread
From: kevin.pouget at gmail dot com @ 2012-07-24 14:22 UTC (permalink / raw)
To: gdb-prs
http://sourceware.org/bugzilla/show_bug.cgi?id=14391
Bug #: 14391
Summary: gdb.Breakpoint.stop calling gdb.parse_and_eval("(int)
$rax") + Ctrl^C crashes GDB (assertion fail)
Product: gdb
Version: unknown
Status: NEW
Severity: normal
Priority: P2
Component: python
AssignedTo: unassigned@sourceware.org
ReportedBy: kevin.pouget@gmail.com
Classification: Unclassified
Created attachment 6552
--> http://sourceware.org/bugzilla/attachment.cgi?id=6552
Backtrace of the failing assertion
In gdb.Breakpoint.stop callback, the script reads a register value with
gdb.parse_and_eval("(int) $rax"). The callback always returns False, so GDB
never actually gives the control back to the CLI.
Sometimes (certainly a matter of timing), when I hit Ctrl^C, GDB crashes (a
failing assertion) with the backtrace in the attachment.
There is no other problem with the script.
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* [Bug python/14391] gdb.Breakpoint.stop calling gdb.parse_and_eval("(int) $rax") + Ctrl^C crashes GDB (assertion fail)
2012-07-24 14:22 [Bug python/14391] New: gdb.Breakpoint.stop calling gdb.parse_and_eval("(int) $rax") + Ctrl^C crashes GDB (assertion fail) kevin.pouget at gmail dot com
@ 2012-07-31 19:18 ` tromey at redhat dot com
2012-08-02 13:38 ` tromey at redhat dot com
1 sibling, 0 replies; 3+ messages in thread
From: tromey at redhat dot com @ 2012-07-31 19:18 UTC (permalink / raw)
To: gdb-prs
http://sourceware.org/bugzilla/show_bug.cgi?id=14391
Tom Tromey <tromey at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |tromey at redhat dot com
--- Comment #1 from Tom Tromey <tromey at redhat dot com> 2012-07-31 19:18:16 UTC ---
This stack trace shows an exception being re-thrown.
It would be interesting to see where the exception was
originally thrown.
This might be a little difficult to dig up, though.
It would also be nice to see the exception being thrown.
Maybe this would let us find the thrower.
Another thing that would be worth knowing is which sniffer
is being called in frame_unwind_find_by_frame.
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* [Bug python/14391] gdb.Breakpoint.stop calling gdb.parse_and_eval("(int) $rax") + Ctrl^C crashes GDB (assertion fail)
2012-07-24 14:22 [Bug python/14391] New: gdb.Breakpoint.stop calling gdb.parse_and_eval("(int) $rax") + Ctrl^C crashes GDB (assertion fail) kevin.pouget at gmail dot com
2012-07-31 19:18 ` [Bug python/14391] " tromey at redhat dot com
@ 2012-08-02 13:38 ` tromey at redhat dot com
1 sibling, 0 replies; 3+ messages in thread
From: tromey at redhat dot com @ 2012-08-02 13:38 UTC (permalink / raw)
To: gdb-prs
http://sourceware.org/bugzilla/show_bug.cgi?id=14391
Tom Tromey <tromey at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution| |DUPLICATE
--- Comment #2 from Tom Tromey <tromey at redhat dot com> 2012-08-02 13:37:49 UTC ---
This turns out to be a duplicate.
*** This bug has been marked as a duplicate of bug 14100 ***
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end of thread, other threads:[~2012-08-02 13:38 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2012-07-24 14:22 [Bug python/14391] New: gdb.Breakpoint.stop calling gdb.parse_and_eval("(int) $rax") + Ctrl^C crashes GDB (assertion fail) kevin.pouget at gmail dot com
2012-07-31 19:18 ` [Bug python/14391] " tromey at redhat dot com
2012-08-02 13:38 ` tromey at redhat dot com
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