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bug#3145: 23.0.92; detaching GTK+ tool bar crashes emacs --daemon


From: Jan Djärv
Subject: bug#3145: 23.0.92; detaching GTK+ tool bar crashes emacs --daemon
Date: Thu, 30 Apr 2009 09:57:43 +0200
User-agent: Thunderbird 2.0.0.21 (Macintosh/20090302)



Chong Yidong skrev:
Stephen Berman <address@hidden> wrote:

Carrying out the following steps reliably crashes Emacs:

1. emacs -Q --daemon
2. emacsclient -c
3. Detach the tool bar (only possible with GTK+ build).
4. Close the client frame with C-x 5 0
5. emacsclient -c
6. Detach the tool bar
=> SIGSEGV

Actually, daemon mode is not needed.  You can also do this:

1. emacs -Q -nw
2. M-x make-frame-on-display RET :0.0 RET
3. Detach the tool bar
4. Close the client frame with C-x 5 0
5. M-x make-frame-on-display RET :0.0 RET
6. Detach the tool bar
=> SIGSEGV

Jan, could you try to debug this?  It may be another manifestation of
the problems we've been having with GTK and closing X connections.

It looks like it. The window for the detached tool bar is created and managed by Gtk+ and is not deleted when the display is removed it seems.

I'll see if we can work around it.

        Jan D.






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