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Re: Running M-x gdb hangs emacs

From: Eli Zaretskii
Subject: Re: Running M-x gdb hangs emacs
Date: Thu, 22 Jan 2015 18:12:21 +0200

> Date: Thu, 22 Jan 2015 19:52:07 +0800
> From: Zhongwei Yao <>
> When run M-x gdb with following command:
>   gdb -i=mi -x ~/.gdb/config
> and the .gdb/config file are:
> ==config==
>   set non-stop off
>   file /my/path/to/exe-file
>   target remote
>   break func_foo
> ==config==
> emacs returns me a buffer *gud-config* with following content:
> ==*gud-config* buffer==
> Current directory is ~/.gdb/
> GNU gdb (GDB) 7.6
> Copyright (C) 2013 Free Software Foundation, Inc.
> License GPLv3+: GNU GPL version 3 or later <
> >
> This is free software: you are free to change and redistribute it.
> There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
> and "show warranty" for details.
> This GDB was configured as "--host=x86_64-linux-gnu
> --target=arm-linux-android".
> For bug reporting instructions, please see:
> <>.
> warning: Unable to find dynamic linker breakpoint function.
> GDB will be unable to debug shared library initializers
> and track explicitly loaded dynamic code.Cannot access memory at address 0x0
> ==*gud-config* buffer==
> Then emacs will hang there.

Does the problem go away if you invoke GDB like this:

  M-x gud-gdb RET

?  Also, what version of Emacs is that?

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