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bug#17691: 24.3.91; crash closing remote frame
From: |
Ken Raeburn |
Subject: |
bug#17691: 24.3.91; crash closing remote frame |
Date: |
Wed, 04 Jun 2014 17:38:12 -0400 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.3.91 (gnu/linux) |
Dmitry Antipov <dmantipov@yandex.ru> writes:
> Can't reproduce (but I'm using Xnest on the same machine instead),
> both for trunk and for 24.3.91.
>
> Could you please try 1) Xnest instead of remote machine and 2) trunk
> instead of 24.3.91?
I've tried Xnest locally and couldn't reproduce the problem initially.
I noticed the function frame-font-cache that can give a peek at the
cache content (aside: without making a copy... and we have C code that
will crash if the data structure is altered in naughty ways??) and took
a look at what I'm getting for the two displays.
For the remote XQuartz display, the cache has:
("localhost:12.0"
(x 1
(#<font-spec x misc fixed ## iso8859-1 nil nil nil nil nil nil nil
((user-spec . "7x14"))
> .
[#<font-entity x misc fixed ## iso8859-1 medium r
semicondensed 13 75 110 60 nil> #<font-entity x misc fixed ## iso8859-1 medium
r semicondensed 13 100 110 60 nil> ...a bunch more here...)
(#<font-spec x nil 7x14 nil nil normal normal normal nil nil nil nil
((:name . "7x14"))
> . #<font-entity x Misc Fixed ## ISO8859-1 medium r normal 14
75 110 70 nil>))
(xft 1
(#<font-spec xft misc fixed ## iso8859-1 nil nil nil nil nil nil nil
((user-spec . "7x14"))
> .
[])
(#<font-spec xft nil 7x14 nil nil normal normal normal nil nil nil nil
((:name . "7x14"))
>)))
Note that the last one does indeed have nil instead of an array.
For the local display, the slots all contain (empty or non-empty) arrays:
(":0.0"
(x 2
(#<font-spec x nil Ubuntu\ Mono nil iso8859-1 nil nil nil nil nil nil nil
((:name . "Ubuntu Mono 13"))
> .
[])
(#<font-spec x unknown Ubuntu\ Mono nil iso10646-1 nil nil nil nil nil 100
nil
((user-spec . "Ubuntu Mono 13"))
> .
[])
(#<font-spec x unknown Ubuntu\ Mono nil iso10646-1 nil nil nil nil nil nil
nil
((:script . symbol))
> .
[])
(#<font-spec x unknown Ubuntu\ Mono nil iso10646-1 nil nil nil nil nil nil
nil
((user-spec . "Ubuntu Mono 13"))
> .
[]))
(xft 2
(#<font-spec xft unknown Ubuntu\ Mono nil iso10646-1 nil nil nil nil nil
100 nil
((user-spec . "Ubuntu Mono 13"))
> .
[#<font-entity xft unknown Ubuntu\ Mono nil iso10646-1
normal italic normal 0 nil 100 0
((:font-entity
"/usr/share/fonts/truetype/ubuntu-font-family/UbuntuMono-RI.ttf" . 0)
(user-spec . "Ubuntu Mono 13"))
> #<font-entity xft unknown Ubuntu\ Mono nil
iso10646-1 bold normal normal 0 nil 100 0
((:font-entity
"/usr/share/fonts/truetype/ubuntu-font-family/UbuntuMono-B.ttf" . 0)
(user-spec . "Ubuntu Mono 13"))
> #<font-entity xft unknown Ubuntu\ Mono nil
iso10646-1 normal normal normal 0 nil 100 0
((:font-entity
"/usr/share/fonts/truetype/ubuntu-font-family/UbuntuMono-R.ttf" . 0)
(user-spec . "Ubuntu Mono 13"))
> #<font-entity xft unknown Ubuntu\ Mono nil
iso10646-1 bold italic normal 0 nil 100 0
((:font-entity
"/usr/share/fonts/truetype/ubuntu-font-family/UbuntuMono-BI.ttf" . 0)
(user-spec . "Ubuntu Mono 13"))
>])
(#<font-spec xft unknown Ubuntu\ Mono nil iso10646-1 nil nil nil nil nil
nil nil
((:script . symbol))
> .
[#<font-entity xft unknown Ubuntu\ Mono nil iso10646-1 bold
italic normal 0 nil 100 0
((:font-entity
"/usr/share/fonts/truetype/ubuntu-font-family/UbuntuMono-BI.ttf" . 0)
(:script . symbol))
> #<font-entity xft unknown Ubuntu\ Mono nil
iso10646-1 normal italic normal 0 nil 100 0
((:font-entity
"/usr/share/fonts/truetype/ubuntu-font-family/UbuntuMono-RI.ttf" . 0)
(:script . symbol))
> #<font-entity xft unknown Ubuntu\ Mono nil
iso10646-1 bold normal normal 0 nil 100 0
((:font-entity
"/usr/share/fonts/truetype/ubuntu-font-family/UbuntuMono-B.ttf" . 0)
(:script . symbol))
> #<font-entity xft unknown Ubuntu\ Mono nil
iso10646-1 normal normal normal 0 nil 100 0
((:font-entity
"/usr/share/fonts/truetype/ubuntu-font-family/UbuntuMono-R.ttf" . 0)
(:script . symbol))
>])
(#<font-spec xft unknown Ubuntu\ Mono nil iso10646-1 nil nil nil nil nil
nil nil
((user-spec . "Ubuntu Mono 13"))
> .
[#<font-entity xft unknown Ubuntu\ Mono nil iso10646-1
normal italic normal 0 nil 100 0
((:font-entity
"/usr/share/fonts/truetype/ubuntu-font-family/UbuntuMono-RI.ttf" . 0)
(user-spec . "Ubuntu Mono 13"))
> #<font-entity xft unknown Ubuntu\ Mono nil
iso10646-1 bold normal normal 0 nil 100 0
((:font-entity
"/usr/share/fonts/truetype/ubuntu-font-family/UbuntuMono-B.ttf" . 0)
(user-spec . "Ubuntu Mono 13"))
> #<font-entity xft unknown Ubuntu\ Mono nil
iso10646-1 normal normal normal 0 nil 100 0
((:font-entity
"/usr/share/fonts/truetype/ubuntu-font-family/UbuntuMono-R.ttf" . 0)
(user-spec . "Ubuntu Mono 13"))
> #<font-entity xft unknown Ubuntu\ Mono nil
iso10646-1 bold italic normal 0 nil 100 0
((:font-entity
"/usr/share/fonts/truetype/ubuntu-font-family/UbuntuMono-BI.ttf" . 0)
(user-spec . "Ubuntu Mono 13"))
>])
(#<font-spec xft nil Ubuntu\ Mono nil iso8859-1 nil nil nil nil nil nil
nil
((:name . "Ubuntu Mono 13"))
> .
[#<font-entity xft unknown Ubuntu\ Mono nil iso10646-1
normal italic normal 0 nil 100 0
((:font-entity
"/usr/share/fonts/truetype/ubuntu-font-family/UbuntuMono-RI.ttf" . 0)
(:name . "Ubuntu Mono 13"))
> #<font-entity xft unknown Ubuntu\ Mono nil
iso10646-1 bold normal normal 0 nil 100 0
((:font-entity
"/usr/share/fonts/truetype/ubuntu-font-family/UbuntuMono-B.ttf" . 0)
(:name . "Ubuntu Mono 13"))
> #<font-entity xft unknown Ubuntu\ Mono nil
iso10646-1 normal normal normal 0 nil 100 0
((:font-entity
"/usr/share/fonts/truetype/ubuntu-font-family/UbuntuMono-R.ttf" . 0)
(:name . "Ubuntu Mono 13"))
> #<font-entity xft unknown Ubuntu\ Mono nil
iso10646-1 bold italic normal 0 nil 100 0
((:font-entity
"/usr/share/fonts/truetype/ubuntu-font-family/UbuntuMono-BI.ttf" . 0)
(:name . "Ubuntu Mono 13"))
>])))
I noticed something I'd forgotten -- on the Mac, I have an old X
resources file setting "Emacs*font: 7x14", which is different from the
local desktop environment. If I run Xnest, and load one X resource:
$ xrdb -load
Emacs*font: 7x14
^D
$
and then pull up a remote frame and look at its cache, I do see some
7x14 entries under "x" that look okay, but under "xft", the last one
appears to have nil again:
(xft 1
(#<font-spec xft misc fixed ## iso8859-1 nil nil nil nil nil 110 nil
((user-spec . "7x14"))
> .
[])
(#<font-spec xft misc fixed ## iso10646-1 nil nil nil nil nil nil nil
((:script . symbol))
> .
[])
(#<font-spec xft misc fixed ## iso8859-1 nil nil nil nil nil nil nil
((user-spec . "7x14"))
> .
[])
(#<font-spec xft nil 7x14 nil nil normal normal normal nil nil nil nil
((:name . "7x14"))
>)))
And when the Xnest connection went away, so did the Emacs process. So,
yeah, now I can reproduce it with Xnest...
Ken
- bug#17691: 24.3.91; crash closing remote frame, Ken Raeburn, 2014/06/04
- bug#17691: 24.3.91; crash closing remote frame, Ken Raeburn, 2014/06/04
- bug#17691: 24.3.91; crash closing remote frame, Dmitry Antipov, 2014/06/04
- bug#17691: 24.3.91; crash closing remote frame,
Ken Raeburn <=
- bug#17691: 24.3.91; crash closing remote frame, Ken Raeburn, 2014/06/04
- bug#17691: 24.3.91; crash closing remote frame, Dmitry Antipov, 2014/06/05
- bug#17691: 24.3.91; crash closing remote frame, Dmitry Antipov, 2014/06/05
- bug#17691: 24.3.91; crash closing remote frame, Ken Raeburn, 2014/06/05
- bug#17691: 24.3.91; crash closing remote frame, Ken Raeburn, 2014/06/05
- bug#17691: 24.3.91; crash closing remote frame, Ken Raeburn, 2014/06/12
- bug#17691: 24.3.91; crash closing remote frame, Eli Zaretskii, 2014/06/13
- bug#17691: 24.3.91; crash closing remote frame, Ken Raeburn, 2014/06/13
bug#17691: 24.3.91; crash closing remote frame, Paul Eggert, 2014/06/18