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Re: glib errors with latest gdb

Hi Corinna,

On 8/28/2014 9:57 AM, Corinna Vinschen wrote:
On Aug 13 16:57, Corinna Vinschen wrote:
On Aug 13 10:28, Ken Brown wrote:
I'm getting errors with the latest gdb when trying to debug programs that
depend on glib.  Here's an example, run from an xterm window:

$ gdb /usr/bin/gvim
GNU gdb (GDB) 7.8
Reading symbols from /usr/bin/gvim...(no debugging symbols found)...done.
(gdb) r
Starting program: /usr/bin/gvim
[New Thread 4860.0x1b44]
Traceback (most recent call last):
   File "/usr/share/gdb/auto-load/usr/bin/", line
9, in <module>
     from gobject import register
   File "/usr/share/glib-2.0/gdb/", line 3, in <module>
     import gdb.backtrace
ImportError: No module named backtrace

I see this error, too.  Unfortunately I'm not a python guru so this
is rather opaque to me.  gdb itself doesn't provide a gdb.backtrace
method, afaics.

However, despite this message, gvim starts normally.  And emacs-nox as
well as many other CLI applications can be started just fine, too.

But GDB hangs with emacs-X11 for some reason, even if I disable the
python modules.  From a quick GDB session it's not clear why this occurs :(

I reported the problem upstream in a bugzilla entry already handling
strange GDB hangs:

That bug appears to be something different. But I managed to fix the problem without actually understanding the code. I looked at cgf's patches from his build of gdb-7.6.50-4, and I noticed that some of his changes didn't make it into your gdb-7.8-1.src.patch. The missing ones are collected in the attached "cgf.patch" file.

If I apply that patch on top of your gdb-7.8-1.src.patch, the problem is gone. (The python warning is still there, but it seems to be harmless.)


Attachment: cgf.patch
Description: Text document

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