emacs hangs when i try to use it with gdb

[Thomas Bechtold]

Binary package hint: emacs23

Steps to reproduce:

1) start emacs
2) M-x gdb
3) try to debug a lib with "libtool --mode=execute gdb ~/devel/isas/src/isas" (i try to use a lib called isas)
now the gdb window opens
4) go to the gdb window and press TAB

now emacs hangs. it's impossible to use gdb

ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: emacs 23.2+1-7ubuntu2
ProcVersionSignature: Ubuntu 2.6.38-7.39-generic-pae 2.6.38
Uname: Linux 2.6.38-7-generic-pae i686
Architecture: i386
Date: Mon Apr 4 22:34:03 2011
EcryptfsInUse: Yes
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release i386 (20101007)
ProcEnviron:
 LANGUAGE=de_DE:en
 PATH=(cususername, user)
 LANG=de_DE.UTF-8
 SHELL=/bin/bash
SourcePackage: emacs23
UpgradeStatus: Upgraded to natty on 2011-03-25 (10 days ago)

[Gorshenkov Sergey (uni-advisor)]

This is not a bug! Emacs require that gdb gets run with annotations turned on. Make shure that option '--annotate=3' is included in your gdb command line. Also using M-x gud-gdb work fine.

[Konstantin (hi-angel-y)]

Gorshenkov Sergey, this is not a reason for Emacs to hang up.