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bug#11257: http://thread.gmane.org/gmane.emacs.orgmode/54775


From: Chong Yidong
Subject: bug#11257: http://thread.gmane.org/gmane.emacs.orgmode/54775
Date: Wed, 18 Apr 2012 22:57:34 +0800
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.0.95 (gnu/linux)

Marius Hofert <address@hidden> writes:

> I used "M-x set-variable <RET> debug-on-error <RET> t" to set Emacs in
> debug mode. After this change, I just changed buffers until it crashed
> again. I thought I'm lucky but apparently not: How do I obtain a
> "Backtrace buffer" when Emacs crashes... ? After a restart, there was
> no such buffer :-(

You have to compile Emacs from source, start Emacs from inside GDB from
inside the Emacs src/ directory (run "gdb emacs", then "r" at the GDB
prompt), and trigger the crash.  Then use the command "bt" in GDB to
view the backtrace.





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