[Lazarus] "TGDBMIDebuggerInstruction: "-file-exec-and-symbols ", "

Marcos Douglas md at delfire.net
Fri Apr 18 18:09:22 CEST 2014

On Thu, Apr 17, 2014 at 11:40 AM, Martin Frb <lazarus at mfriebe.de> wrote:
> On 17/04/2014 04:46, Marcos Douglas wrote:
> Hi,
> I'm using FPC 2.6.5 (fixes_2_6) and Lazarus trunk on Windows.
> The GDB is updated too, here:
> http://svn.freepascal.org/svn/lazarus/binaries/i386-win32/gdb
> I run my program using the IDE and when program closes the IDE returns
> the error below... and doesn't matter if I run on Debug mode or not.
> While executing the command:
> "TGDBMIDebuggerInstruction: "-file-exec-and-symbols ", "
> gdb reported:
> "&"../../gdb-7.2/gdb/printcmd.c:1916: internal-error:
> clear_dangling_display_expressions: Assertion `objfile->pspace ==
> solib->pspace' failed.\nA problem internal to GDB has been
> detected,\nfurther debugging may prove unreliable.""
> Could you help me?
> Looks like a bug in gdb to me. Could be anything.
> It may be fixed in later versions of gdb. (7.7 is current)
> But for 32bit windows 7.2 is still considered the best choice. (this is due
> to http://sourceware.org/bugzilla/show_bug.cgi?id=14018 / happens often
> after fileopen/close dialog)
> I have not yet tested 7.7 with the IDE, but if you accept the above bug, 7.6
> was tested with the IDE and the IDE deals with it. (And 7.7 is probably
> compatible too).
> Yet 7.5.9 to 7.6.1 were terrible unstable. (7.7 not tested). 7.5.1 was fine,
> except for the above.
> Since the above error only happens after the debug session, it will only
> affect the next session. And it adds the clicks to confirm the error.
> As for the next debug session, there is a checkbox in the options "Reset
> debugger after each run"

My program uses a COM dll... maybe this is the problem?

> The only other thing I can thing off, and this is just a guess: The error
> points to something with dll (solib). Sometimies gdb has issues with debug
> info it finds on dll. try
> http://wiki.lazarus.freepascal.org/GDB_Debugger_Tips#gdb.exe_has_stopped_working
> in the field "debugger_startup_options" enter: --eval-command="set
> auto-solib-add off"
> But I have no idea if that is going to change anything.

This worked, thank you!

Best regards,
Marcos Douglas

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