emacs crashes with "illegal instruction" on first RET in empty file

[Andrew Tinka]

Binary package hint: emacs-snapshot

Steps to reproduce:

1. touch blah.txt
2. emacs blah.txt
3. RET

Result: emacs crashes; terminal says "illegal instruction".

Some notes:
* emacs had been working just fine on this machine for many months. I don't know what changed.
* Reproduceability is 100%.
* There are many customizations in my ~/.emacs.d directory; however, I can elicit this behaviour both with my normal configuration and after deleting ~/.emacs.d . In other words, it isn't my customizations that are doing this.
* There are many other input sequences that cause this behaviour. For example, if editing a Python file, Ctrl-C Ctrl-C (to run the file in the interactive Python window) causes the crash. However, I haven't tested this in the "no-.emacs.d" state, and the above sequence is the *simplest* way I've found to cause the crash.

ProblemType: Bug
Architecture: amd64
Date: Fri Dec 3 16:27:08 2010
DistroRelease: Ubuntu 9.10
ExecutablePath: /usr/bin/emacs-snapshot-gtk
NonfreeKernelModules: nvidia
Package: emacs-snapshot 1:20090909-1
ProcEnviron:
 SHELL=/bin/bash
 PATH=(custom, user)
 LANG=en_US.UTF-8
ProcVersionSignature: Ubuntu 2.6.31-22.68-generic
SourcePackage: emacs-snapshot
Uname: Linux 2.6.31-22-generic x86_64

[Andrew Tinka (tinka-berkeley)]

Well, I rebooted the machine, and now the bug doesn't occur. Weird. I guess this isn't "100% reproduceable" anymore.