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bug#11416: 24.1.50; Abort in Fadd_text_properties on Windows


From: Eli Zaretskii
Subject: bug#11416: 24.1.50; Abort in Fadd_text_properties on Windows
Date: Sun, 06 May 2012 23:31:35 +0300

> Date: Sun, 06 May 2012 13:53:19 -0600
> From: Christoph Scholtes <address@hidden>
> CC: address@hidden
> 
> Eli Zaretskii <address@hidden> writes:
> 
>  > Sorry, I should have been more clear.  I meant this:
>  >
>  >  (gdb) p object
>  >  (gdb) xtype
>  >
>  > If "xtype" says it's a symbol, follow immediately by "xsymbol" to see
>  > which symbol it is.  Other Lisp data types have their respective xFOO
>  > commands to do similar things.
> 
> (gdb) p object
> $6 = 283151365
> (gdb) xtype
> Lisp_Vectorlike
> PVEC_BUFFER
> (gdb) xvector
> $7 = (struct Lisp_Vector *) 0x10e08c00
> 0
> (gdb)

So it's a buffer.  "xbuffer" will show more details (but I'm not sure
this is worth pursuing, until we establish where exactly does Emacs
abort and why).

> No, it's a debug nightly build from my Jenkins server. However, last
> night another build got kicked of and some files might haeve been
> updated from bzr. The build failed since the executable was still
> running. Possible that the source does not match the object code.

Could it be that the abort was caused by compiling/linking
incompatible files?

> gdb 7.3.1 is the usual version I use.

I suggest upgrading to the latest v7.4 (available from MinGW).

> If this doesn't lead to anything, I can keep an eye open for another
> occurrence.

Sounds like this is the way to go.  Start Emacs from GDB, while you
are at it, so that "pp" etc. works.

Thanks.





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