Re: bug#3112: 23.0.92; segfault in display-supports-face-attributes-p

Re: bug#3112: 23.0.92; segfault in display-supports-face-attributes-p

[Chong Yidong]

Richard Hansen <rhansen@bbn.com> writes:

> $ cvs -d:pserver:anonymous@cvs.sv.gnu.org:/sources/emacs co emacs
> $ cd emacs
> $ ./configure
> $ make bootstrap
> $ make
> $ ./src/emacs -Q
>
> Then I evaluated the above snippet and hovered my mouse over something
> that produces a tooltip.  Presto, instant segfault.  If I leave out
> the ':height 121' from the above snippet, no segfault.
>
> Can anyone else reproduce this?

I'm afraid I can't reproduce this.  CC'ing emacs-devel, in the hope that
someone else can try to reproduce it.

Re: bug#3112: 23.0.92; segfault in display-supports-face-attributes-p

[Richard Hansen]

>> My emacs had some Debian-provided patches, so I tried building fresh from 
>> CVS.  I'm still having the same problem, and I can still reliably reproduce 
>> the segfault.  Here's what I did:
>>
>> $ cvs -d:pserver:anonymous@cvs.sv.gnu.org:/sources/emacs co emacs
>> $ cd emacs
>> $ ./configure
>> $ make bootstrap
>> $ make
>> $ ./src/emacs -Q --eval '(custom-set-faces (quote (default ((t (:height 121 :family "something-invalid"))))))'
>
> I cannot reproduce this either on my Debian system.  Can you try to do
> "xdrb -remove" and "rm ~/.Xdefaults" before starting Emacs, to see if 
> some Xresource settings interfere?

$ xrdb -query
*customization: -color
Xcursor.size:   32
Xcursor.theme:  DMZ-White
Xcursor.theme_core:     true
Xft.antialias:  1
Xft.dpi:        96
Xft.hinting:    1
Xft.hintstyle:  hintmedium
Xft.lcdfilter:  none
Xft.rgba:       none
$ xrdb -remove
$ xrdb -query
$ ./src/emacs -Q --eval '(custom-set-faces (quote (default ((t (:height 
121 :family "something-invalid"))))))' # then hovered mouse over 
something that produces a tooltip
Fatal error (11)Segmentation fault (core dumped)

I'll try this out on a fresh Ubuntu machine in case it's something 
specific to my machine.

Thanks for taking the time to try to reproduce it!

-Richard