bug#19076: 25.0.50; Switching vertical scroll bars off makes the mode line and buffer area disappear

bug#19076: 25.0.50; Switching vertical scroll bars off makes the mode line and buffer area disappear

[Lars Magne Ingebrigtsen]

I have the following in my .Xdefaults file:

emacs.verticalScrollBars: off

When I start Emacs up, the initial frame comes up with no mode line and
no echo area, so it's impossible to see what happens when I type
`M-x ...', for instance.



In GNU Emacs 25.0.50.16 (x86_64-unknown-linux-gnu, X toolkit, Xaw scroll bars)
 of 2014-11-17 on stories
Repository revision: 8b98d158a75b94b80d17b3af3419b3163c64945c
Windowing system distributor `The X.Org Foundation', version 11.0.10707000
System Description:	Debian GNU/Linux 7.6 (wheezy)

Configured features:
XPM JPEG TIFF GIF PNG RSVG IMAGEMAGICK SOUND GSETTINGS NOTIFY GNUTLS
LIBXML2 FREETYPE LIBOTF XFT ZLIB

Important settings:
  value of $LANG: en_US
  locale-coding-system: iso-latin-1-unix

Major mode: Group

Minor modes in effect:
  gnus-topic-mode: t
  gnus-undo-mode: t
  tooltip-mode: t
  global-eldoc-mode: t
  electric-indent-mode: t
  mouse-wheel-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  blink-cursor-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  buffer-read-only: t
  line-number-mode: t

Recent messages:
Wrote /home/larsi/.emacs
Undo!
Saving file /home/larsi/.emacs...
Wrote /home/larsi/.emacs
Auto-saving...
Making completion list...
Quit
Type C-x 1 to delete the help window.
Quit
Making completion list...

Load-path shadows:
/home/larsi/.emacs.d/elpa/debbugs-0.6/debbugs-gnu hides ~/src/elpa/elpa/packages/debbugs/debbugs-gnu
/home/larsi/.emacs.d/elpa/debbugs-0.6/debbugs-pkg hides ~/src/elpa/elpa/packages/debbugs/debbugs-pkg
/home/larsi/.emacs.d/elpa/debbugs-0.6/debbugs hides ~/src/elpa/elpa/packages/debbugs/debbugs
/home/larsi/mgnus/lisp/compface hides ~/pgnus/contrib/compface
/home/larsi/src/clock.el/clock hides /home/larsi/lisp/clock
/home/larsi/src/cddb.el/expect hides /home/larsi/lisp/expect
/home/larsi/src/pvr.el/pvr hides /home/larsi/lisp/pvr
~/pgnus/contrib/vcard hides /home/larsi/lisp/vcard
/home/larsi/src/cddb.el/captitle hides /home/larsi/lisp/captitle
~/lisp/zenirc-2.112/src/zenirc-example hides /home/larsi/lisp/zenirc-example
/home/larsi/mgnus/lisp/format-spec hides /home/larsi/src/emacs/trunk/lisp/format-spec
/home/larsi/mgnus/lisp/hex-util hides /home/larsi/src/emacs/trunk/lisp/hex-util
/home/larsi/mgnus/lisp/color hides /home/larsi/src/emacs/trunk/lisp/color
/home/larsi/mgnus/lisp/md4 hides /home/larsi/src/emacs/trunk/lisp/md4
/home/larsi/mgnus/lisp/password-cache hides /home/larsi/src/emacs/trunk/lisp/password-cache
/home/larsi/mgnus/lisp/dns-mode hides /home/larsi/src/emacs/trunk/lisp/textmodes/dns-mode
/home/larsi/mgnus/lisp/sasl-ntlm hides /home/larsi/src/emacs/trunk/lisp/net/sasl-ntlm
/home/larsi/mgnus/lisp/dns hides /home/larsi/src/emacs/trunk/lisp/net/dns
/home/larsi/mgnus/lisp/hmac-def hides /home/larsi/src/emacs/trunk/lisp/net/hmac-def
/home/larsi/mgnus/lisp/ntlm hides /home/larsi/src/emacs/trunk/lisp/net/ntlm
/home/larsi/mgnus/lisp/tls hides /home/larsi/src/emacs/trunk/lisp/net/tls
/home/larsi/mgnus/lisp/sasl-digest hides /home/larsi/src/emacs/trunk/lisp/net/sasl-digest
/home/larsi/mgnus/lisp/netrc hides /home/larsi/src/emacs/trunk/lisp/net/netrc
/home/larsi/mgnus/lisp/sasl-cram hides /home/larsi/src/emacs/trunk/lisp/net/sasl-cram
/home/larsi/mgnus/lisp/hmac-md5 hides /home/larsi/src/emacs/trunk/lisp/net/hmac-md5
/home/larsi/mgnus/lisp/dig hides /home/larsi/src/emacs/trunk/lisp/net/dig
/home/larsi/mgnus/lisp/sasl hides /home/larsi/src/emacs/trunk/lisp/net/sasl
/home/larsi/mgnus/lisp/uudecode hides /home/larsi/src/emacs/trunk/lisp/mail/uudecode
/home/larsi/mgnus/lisp/hashcash hides /home/larsi/src/emacs/trunk/lisp/mail/hashcash
/home/larsi/mgnus/lisp/binhex hides /home/larsi/src/emacs/trunk/lisp/mail/binhex
/home/larsi/mgnus/lisp/nndoc hides /home/larsi/src/emacs/trunk/lisp/gnus/nndoc
/home/larsi/mgnus/lisp/mm-partial hides /home/larsi/src/emacs/trunk/lisp/gnus/mm-partial
/home/larsi/mgnus/lisp/gnus-srvr hides /home/larsi/src/emacs/trunk/lisp/gnus/gnus-srvr
/home/larsi/mgnus/lisp/mailcap hides /home/larsi/src/emacs/trunk/lisp/gnus/mailcap
/home/larsi/mgnus/lisp/gnus-range hides /home/larsi/src/emacs/trunk/lisp/gnus/gnus-range
/home/larsi/mgnus/lisp/rfc1843 hides /home/larsi/src/emacs/trunk/lisp/gnus/rfc1843
/home/larsi/mgnus/lisp/nneething hides /home/larsi/src/emacs/trunk/lisp/gnus/nneething
/home/larsi/mgnus/lisp/gnus-logic hides /home/larsi/src/emacs/trunk/lisp/gnus/gnus-logic
/home/larsi/mgnus/lisp/spam-wash hides /home/larsi/src/emacs/trunk/lisp/gnus/spam-wash
/home/larsi/mgnus/lisp/gnus-cloud hides /home/larsi/src/emacs/trunk/lisp/gnus/gnus-cloud
/home/larsi/mgnus/lisp/nnmail hides /home/larsi/src/emacs/trunk/lisp/gnus/nnmail
/home/larsi/mgnus/lisp/nnmbox hides /home/larsi/src/emacs/trunk/lisp/gnus/nnmbox
/home/larsi/mgnus/lisp/gssapi hides /home/larsi/src/emacs/trunk/lisp/gnus/gssapi
/home/larsi/mgnus/lisp/gnus-agent hides /home/larsi/src/emacs/trunk/lisp/gnus/gnus-agent
/home/larsi/mgnus/lisp/mail-parse hides /home/larsi/src/emacs/trunk/lisp/gnus/mail-parse
/home/larsi/mgnus/lisp/mml-smime hides /home/larsi/src/emacs/trunk/lisp/gnus/mml-smime
/home/larsi/mgnus/lisp/gnus-msg hides /home/larsi/src/emacs/trunk/lisp/gnus/gnus-msg
/home/larsi/mgnus/lisp/gnus-icalendar hides /home/larsi/src/emacs/trunk/lisp/gnus/gnus-icalendar
/home/larsi/mgnus/lisp/gnus-fun hides /home/larsi/src/emacs/trunk/lisp/gnus/gnus-fun
/home/larsi/mgnus/lisp/mail-source hides /home/larsi/src/emacs/trunk/lisp/gnus/mail-source
/home/larsi/mgnus/lisp/mm-encode hides /home/larsi/src/emacs/trunk/lisp/gnus/mm-encode
/home/larsi/mgnus/lisp/gnus-cache hides /home/larsi/src/emacs/trunk/lisp/gnus/gnus-cache
/home/larsi/mgnus/lisp/mm-util hides /home/larsi/src/emacs/trunk/lisp/gnus/mm-util
/home/larsi/mgnus/lisp/mm-archive hides /home/larsi/src/emacs/trunk/lisp/gnus/mm-archive
/home/larsi/mgnus/lisp/nnnil hides /home/larsi/src/emacs/trunk/lisp/gnus/nnnil
/home/larsi/mgnus/lisp/mml2015 hides /home/larsi/src/emacs/trunk/lisp/gnus/mml2015
/home/larsi/mgnus/lisp/nnoo hides /home/larsi/src/emacs/trunk/lisp/gnus/nnoo
/home/larsi/mgnus/lisp/messcompat hides /home/larsi/src/emacs/trunk/lisp/gnus/messcompat
/home/larsi/mgnus/lisp/gnus-sync hides /home/larsi/src/emacs/trunk/lisp/gnus/gnus-sync
/home/larsi/mgnus/lisp/nnweb hides /home/larsi/src/emacs/trunk/lisp/gnus/nnweb
/home/larsi/mgnus/lisp/nnrss hides /home/larsi/src/emacs/trunk/lisp/gnus/nnrss
/home/larsi/mgnus/lisp/legacy-gnus-agent hides /home/larsi/src/emacs/trunk/lisp/gnus/legacy-gnus-agent
/home/larsi/mgnus/lisp/nnspool hides /home/larsi/src/emacs/trunk/lisp/gnus/nnspool
/home/larsi/mgnus/lisp/compface hides /home/larsi/src/emacs/trunk/lisp/gnus/compface
/home/larsi/mgnus/lisp/smime hides /home/larsi/src/emacs/trunk/lisp/gnus/smime
/home/larsi/mgnus/lisp/ietf-drums hides /home/larsi/src/emacs/trunk/lisp/gnus/ietf-drums
/home/larsi/mgnus/lisp/yenc hides /home/larsi/src/emacs/trunk/lisp/gnus/yenc
/home/larsi/mgnus/lisp/gnus-delay hides /home/larsi/src/emacs/trunk/lisp/gnus/gnus-delay
/home/larsi/mgnus/lisp/gnus-async hides /home/larsi/src/emacs/trunk/lisp/gnus/gnus-async
/home/larsi/mgnus/lisp/nnmh hides /home/larsi/src/emacs/trunk/lisp/gnus/nnmh
/home/larsi/mgnus/lisp/mm-url hides /home/larsi/src/emacs/trunk/lisp/gnus/mm-url
/home/larsi/mgnus/lisp/gnus-picon hides /home/larsi/src/emacs/trunk/lisp/gnus/gnus-picon
/home/larsi/mgnus/lisp/gnus-bookmark hides /home/larsi/src/emacs/trunk/lisp/gnus/gnus-bookmark
/home/larsi/mgnus/lisp/gnus-diary hides /home/larsi/src/emacs/trunk/lisp/gnus/gnus-diary
/home/larsi/mgnus/lisp/html2text hides /home/larsi/src/emacs/trunk/lisp/gnus/html2text
/home/larsi/mgnus/lisp/nndraft hides /home/larsi/src/emacs/trunk/lisp/gnus/nndraft
/home/larsi/mgnus/lisp/auth-source hides /home/larsi/src/emacs/trunk/lisp/gnus/auth-source
/home/larsi/mgnus/lisp/gnus-bcklg hides /home/larsi/src/emacs/trunk/lisp/gnus/gnus-bcklg
/home/larsi/mgnus/lisp/gnus-win hides /home/larsi/src/emacs/trunk/lisp/gnus/gnus-win
/home/larsi/mgnus/lisp/gnus-salt hides /home/larsi/src/emacs/trunk/lisp/gnus/gnus-salt
/home/larsi/mgnus/lisp/rfc2045 hides /home/larsi/src/emacs/trunk/lisp/gnus/rfc2045
/home/larsi/mgnus/lisp/gnus-draft hides /home/larsi/src/emacs/trunk/lisp/gnus/gnus-draft
/home/larsi/mgnus/lisp/gnus-spec hides /home/larsi/src/emacs/trunk/lisp/gnus/gnus-spec
/home/larsi/mgnus/lisp/nnir hides /home/larsi/src/emacs/trunk/lisp/gnus/nnir
/home/larsi/mgnus/lisp/mm-uu hides /home/larsi/src/emacs/trunk/lisp/gnus/mm-uu
/home/larsi/mgnus/lisp/rfc2104 hides /home/larsi/src/emacs/trunk/lisp/gnus/rfc2104
/home/larsi/mgnus/lisp/nngateway hides /home/larsi/src/emacs/trunk/lisp/gnus/nngateway
/home/larsi/mgnus/lisp/gnus-sum hides /home/larsi/src/emacs/trunk/lisp/gnus/gnus-sum
/home/larsi/mgnus/lisp/mail-prsvr hides /home/larsi/src/emacs/trunk/lisp/gnus/mail-prsvr
/home/larsi/mgnus/lisp/gnus-dup hides /home/larsi/src/emacs/trunk/lisp/gnus/gnus-dup
/home/larsi/mgnus/lisp/score-mode hides /home/larsi/src/emacs/trunk/lisp/gnus/score-mode
/home/larsi/mgnus/lisp/starttls hides /home/larsi/src/emacs/trunk/lisp/gnus/starttls
/home/larsi/mgnus/lisp/plstore hides /home/larsi/src/emacs/trunk/lisp/gnus/plstore
/home/larsi/mgnus/lisp/gnus-topic hides /home/larsi/src/emacs/trunk/lisp/gnus/gnus-topic
/home/larsi/mgnus/lisp/gnus-notifications hides /home/larsi/src/emacs/trunk/lisp/gnus/gnus-notifications
/home/larsi/mgnus/lisp/registry hides /home/larsi/src/emacs/trunk/lisp/gnus/registry
/home/larsi/mgnus/lisp/mml-sec hides /home/larsi/src/emacs/trunk/lisp/gnus/mml-sec
/home/larsi/mgnus/lisp/nnmaildir hides /home/larsi/src/emacs/trunk/lisp/gnus/nnmaildir
/home/larsi/mgnus/lisp/nnbabyl hides /home/larsi/src/emacs/trunk/lisp/gnus/nnbabyl
/home/larsi/mgnus/lisp/sieve hides /home/larsi/src/emacs/trunk/lisp/gnus/sieve
/home/larsi/mgnus/lisp/qp hides /home/larsi/src/emacs/trunk/lisp/gnus/qp
/home/larsi/mgnus/lisp/nnregistry hides /home/larsi/src/emacs/trunk/lisp/gnus/nnregistry
/home/larsi/mgnus/lisp/gnus-art hides /home/larsi/src/emacs/trunk/lisp/gnus/gnus-art
/home/larsi/mgnus/lisp/gnus-dired hides /home/larsi/src/emacs/trunk/lisp/gnus/gnus-dired
/home/larsi/mgnus/lisp/gnus-util hides /home/larsi/src/emacs/trunk/lisp/gnus/gnus-util
/home/larsi/mgnus/lisp/nnheader hides /home/larsi/src/emacs/trunk/lisp/gnus/nnheader
/home/larsi/mgnus/lisp/gnus-demon hides /home/larsi/src/emacs/trunk/lisp/gnus/gnus-demon
/home/larsi/mgnus/lisp/message hides /home/larsi/src/emacs/trunk/lisp/gnus/message
/home/larsi/mgnus/lisp/rfc2231 hides /home/larsi/src/emacs/trunk/lisp/gnus/rfc2231
/home/larsi/mgnus/lisp/canlock hides /home/larsi/src/emacs/trunk/lisp/gnus/canlock
/home/larsi/mgnus/lisp/mm-extern hides /home/larsi/src/emacs/trunk/lisp/gnus/mm-extern
/home/larsi/mgnus/lisp/gnus-undo hides /home/larsi/src/emacs/trunk/lisp/gnus/gnus-undo
/home/larsi/mgnus/lisp/mm-bodies hides /home/larsi/src/emacs/trunk/lisp/gnus/mm-bodies
/home/larsi/mgnus/lisp/gnus-score hides /home/larsi/src/emacs/trunk/lisp/gnus/gnus-score
/home/larsi/mgnus/lisp/gnus-mh hides /home/larsi/src/emacs/trunk/lisp/gnus/gnus-mh
/home/larsi/mgnus/lisp/nnvirtual hides /home/larsi/src/emacs/trunk/lisp/gnus/nnvirtual
/home/larsi/mgnus/lisp/spam-report hides /home/larsi/src/emacs/trunk/lisp/gnus/spam-report
/home/larsi/mgnus/lisp/nndiary hides /home/larsi/src/emacs/trunk/lisp/gnus/nndiary
/home/larsi/mgnus/lisp/sieve-manage hides /home/larsi/src/emacs/trunk/lisp/gnus/sieve-manage
/home/larsi/mgnus/lisp/mml1991 hides /home/larsi/src/emacs/trunk/lisp/gnus/mml1991
/home/larsi/mgnus/lisp/gnus-eform hides /home/larsi/src/emacs/trunk/lisp/gnus/gnus-eform
/home/larsi/mgnus/lisp/mml hides /home/larsi/src/emacs/trunk/lisp/gnus/mml
/home/larsi/mgnus/lisp/gravatar hides /home/larsi/src/emacs/trunk/lisp/gnus/gravatar
/home/larsi/mgnus/lisp/nntp hides /home/larsi/src/emacs/trunk/lisp/gnus/nntp
/home/larsi/mgnus/lisp/ecomplete hides /home/larsi/src/emacs/trunk/lisp/gnus/ecomplete
/home/larsi/mgnus/lisp/rtree hides /home/larsi/src/emacs/trunk/lisp/gnus/rtree
/home/larsi/mgnus/lisp/gnus-int hides /home/larsi/src/emacs/trunk/lisp/gnus/gnus-int
/home/larsi/mgnus/lisp/gnus-sieve hides /home/larsi/src/emacs/trunk/lisp/gnus/gnus-sieve
/home/larsi/mgnus/lisp/smiley hides /home/larsi/src/emacs/trunk/lisp/gnus/smiley
/home/larsi/mgnus/lisp/gnus hides /home/larsi/src/emacs/trunk/lisp/gnus/gnus
/home/larsi/mgnus/lisp/gnus-cus hides /home/larsi/src/emacs/trunk/lisp/gnus/gnus-cus
/home/larsi/mgnus/lisp/nnfolder hides /home/larsi/src/emacs/trunk/lisp/gnus/nnfolder
/home/larsi/mgnus/lisp/nnmairix hides /home/larsi/src/emacs/trunk/lisp/gnus/nnmairix
/home/larsi/mgnus/lisp/pop3 hides /home/larsi/src/emacs/trunk/lisp/gnus/pop3
/home/larsi/mgnus/lisp/gnus-start hides /home/larsi/src/emacs/trunk/lisp/gnus/gnus-start
/home/larsi/mgnus/lisp/nnml hides /home/larsi/src/emacs/trunk/lisp/gnus/nnml
/home/larsi/mgnus/lisp/gnus-vm hides /home/larsi/src/emacs/trunk/lisp/gnus/gnus-vm
/home/larsi/mgnus/lisp/gnus-mlspl hides /home/larsi/src/emacs/trunk/lisp/gnus/gnus-mlspl
/home/larsi/mgnus/lisp/gnus-registry hides /home/larsi/src/emacs/trunk/lisp/gnus/gnus-registry
/home/larsi/mgnus/lisp/gnus-ml hides /home/larsi/src/emacs/trunk/lisp/gnus/gnus-ml
/home/larsi/mgnus/lisp/gnus-gravatar hides /home/larsi/src/emacs/trunk/lisp/gnus/gnus-gravatar
/home/larsi/mgnus/lisp/spam hides /home/larsi/src/emacs/trunk/lisp/gnus/spam
/home/larsi/mgnus/lisp/gnus-cite hides /home/larsi/src/emacs/trunk/lisp/gnus/gnus-cite
/home/larsi/mgnus/lisp/flow-fill hides /home/larsi/src/emacs/trunk/lisp/gnus/flow-fill
/home/larsi/mgnus/lisp/mm-view hides /home/larsi/src/emacs/trunk/lisp/gnus/mm-view
/home/larsi/mgnus/lisp/gnus-html hides /home/larsi/src/emacs/trunk/lisp/gnus/gnus-html
/home/larsi/mgnus/lisp/gnus-uu hides /home/larsi/src/emacs/trunk/lisp/gnus/gnus-uu
/home/larsi/mgnus/lisp/deuglify hides /home/larsi/src/emacs/trunk/lisp/gnus/deuglify
/home/larsi/mgnus/lisp/spam-stat hides /home/larsi/src/emacs/trunk/lisp/gnus/spam-stat
/home/larsi/mgnus/lisp/nndir hides /home/larsi/src/emacs/trunk/lisp/gnus/nndir
/home/larsi/mgnus/lisp/gnus-kill hides /home/larsi/src/emacs/trunk/lisp/gnus/gnus-kill
/home/larsi/mgnus/lisp/gnus-ems hides /home/larsi/src/emacs/trunk/lisp/gnus/gnus-ems
/home/larsi/mgnus/lisp/gnus-group hides /home/larsi/src/emacs/trunk/lisp/gnus/gnus-group
/home/larsi/mgnus/lisp/nnagent hides /home/larsi/src/emacs/trunk/lisp/gnus/nnagent
/home/larsi/mgnus/lisp/sieve-mode hides /home/larsi/src/emacs/trunk/lisp/gnus/sieve-mode
/home/larsi/mgnus/lisp/rfc2047 hides /home/larsi/src/emacs/trunk/lisp/gnus/rfc2047
/home/larsi/mgnus/lisp/gmm-utils hides /home/larsi/src/emacs/trunk/lisp/gnus/gmm-utils
/home/larsi/mgnus/lisp/utf7 hides /home/larsi/src/emacs/trunk/lisp/gnus/utf7
/home/larsi/mgnus/lisp/nnimap hides /home/larsi/src/emacs/trunk/lisp/gnus/nnimap
/home/larsi/mgnus/lisp/mm-decode hides /home/larsi/src/emacs/trunk/lisp/gnus/mm-decode
/home/larsi/mgnus/lisp/time-date hides /home/larsi/src/emacs/trunk/lisp/calendar/time-date
/home/larsi/mgnus/lisp/parse-time hides /home/larsi/src/emacs/trunk/lisp/calendar/parse-time

Features:
(shadow hashcash ecomplete emacsbug sendmail help-mode misearch
multi-isearch vc-cvs copyright mule-util gnus-picon sort smiley
ansi-color gnus-cite flow-fill mm-archive gnus-async gnus-dup gnus-ml
gmane spam-gmane dns mm-url disp-table gnus-fun gnus-mdrtn pop3 nndoc
nnmbox nndraft utf-7 nnagent gnus-topic nnmh nnml nnfolder gnutls
network-stream starttls nnir spam-report spam spam-stat gnus-uu yenc
gnus-agent gnus-srvr gnus-score score-mode nnvirtual gnus-msg gnus-art
mm-uu mml2015 mm-view mml-smime smime dig nntp gnus-cache gnus-sum
gnus-group gnus-undo gnus-start gnus-cloud nnimap nnmail mail-source
utf7 netrc nnoo parse-time gnus-spec gnus-int gnus-range message
format-spec rfc822 mml mml-sec mailabbrev gmm-utils mailheader gnus-win
gnus-load gnus gnus-ems gnus-compat nnheader mail-utils package
epg-config debug debbugs-gnu easy-mmode derived debbugs soap-client
mm-decode mm-bodies mm-encode url-http tls url-auth mail-parse rfc2231
rfc2047 rfc2045 ietf-drums url-gw url url-proxy url-privacy url-expand
url-methods url-history url-cookie url-domsuf url-util url-parse
auth-source eieio byte-opt bytecomp byte-compile cl-extra cconv
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czech european ethiopic indian cyrillic chinese case-table epa-hook
jka-cmpr-hook help simple abbrev minibuffer nadvice loaddefs button
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format env code-pages mule custom widget hashtable-print-readable
backquote make-network-process gfilenotify dynamic-setting
system-font-setting font-render-setting x-toolkit x multi-tty emacs)

Memory information:
((conses 16 518841 24321)
 (symbols 48 162510 0)
 (miscs 40 103 605)
 (strings 32 199984 4616)
 (string-bytes 1 7411713)
 (vectors 16 33719)
 (vector-slots 8 1570270 240113)
 (floats 8 6579 284)
 (intervals 56 3958 1386)
 (buffers 976 32)
 (heap 1024 73533 3596))

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

bug#19076: 25.0.50; Switching vertical scroll bars off makes the mode line and buffer area disappear

[martin rudalics]

 > I have the following in my .Xdefaults file:
 >
 > emacs.verticalScrollBars: off
 >
 > When I start Emacs up, the initial frame comes up with no mode line and
 > no echo area, so it's impossible to see what happens when I type
 > `M-x ...', for instance.

With emacs -Q?  Do you have a vague idea when this happened for the
first time?

In any case please insert (window--dump-frame) in your *scratch* buffer,
evaluate it, and post the contents of *window-frame-dump* buffer here.

Thank you, martin

bug#19076: 25.0.50; Switching vertical scroll bars off makes the mode line and buffer area disappear

[Lars Magne Ingebrigtsen]

martin rudalics <rudalics@gmx.at> writes:

>> I have the following in my .Xdefaults file:
>>
>> emacs.verticalScrollBars: off
>>
>> When I start Emacs up, the initial frame comes up with no mode line and
>> no echo area, so it's impossible to see what happens when I type
>> `M-x ...', for instance.
>
> With emacs -Q?

With emacs -Q it ignores X defaults, too, so it doesn't happen there.
But it does happen with -q.

> Do you have a vague idea when this happened for the first time?

I think...  like...  three weeks ago, perhaps?  Two weeks?

> In any case please insert (window--dump-frame) in your *scratch* buffer,
> evaluate it, and post the contents of *window-frame-dump* buffer here.

Hm.  I can't see to reproduce this on this display.  I'll do the
dump-frame thing tomorrow at work.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

bug#19076: 25.0.50; Switching vertical scroll bars off makes the mode line and buffer area disappear

[Eli Zaretskii]

> From: Lars Magne Ingebrigtsen <larsi@gnus.org>
> Date: Tue, 18 Nov 2014 13:38:10 +0100
> Cc: 19076@debbugs.gnu.org
> 
> > Do you have a vague idea when this happened for the first time?
> 
> I think...  like...  three weeks ago, perhaps?  Two weeks?

Do you per chance have old src/emacs-25.0.50.xx binaries from past
builds, which you could try to find when it started?

bug#19076: 25.0.50; Switching vertical scroll bars off makes the mode line and buffer area disappear

[Lars Magne Ingebrigtsen]

Eli Zaretskii <eliz@gnu.org> writes:

>> From: Lars Magne Ingebrigtsen <larsi@gnus.org>
>> Date: Tue, 18 Nov 2014 13:38:10 +0100
>> Cc: 19076@debbugs.gnu.org
>> 
>> > Do you have a vague idea when this happened for the first time?
>> 
>> I think...  like...  three weeks ago, perhaps?  Two weeks?
>
> Do you per chance have old src/emacs-25.0.50.xx binaries from past
> builds, which you could try to find when it started?

Good idea.

Let's see...  Yes, I do.  I'll give them a try tomorrow at the office
machine and see whether I can reproduce it there.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

bug#19076: 25.0.50; Switching vertical scroll bars off makes the mode line and buffer area disappear

[Lars Magne Ingebrigtsen]

martin rudalics <rudalics@gmx.at> writes:

> In any case please insert (window--dump-frame) in your *scratch* buffer,
> evaluate it, and post the contents of *window-frame-dump* buffer here.

Here it is, starting with "emacs -q" from trunk, with no mode line or
echo area:

frame pixel: 596 x 1182   cols/lines: 85 x 88   units: 7 x 13
frame text pixel: 578 x 1144   cols/lines: 82 x 88
tool: 36  scroll: 0/0  fringe: 16  border: 1  right: 0  bottom: 0

#<window 3 on *scratch*>   parent: nil
pixel left: 0   top: 36   size: 594 x 1131   new: 0
char left: 0   top: 3   size: 84 x 87   new: 0
normal: 1.0 x 1.0   new: 0
body pixel: 578 x 1118   char: 82 x 86
width left fringe: 8  left margin: 0  right margin: 0
width right fringe: 8  scroll-bar: 0  divider: 0
height header-line: 0  mode-line: 13  divider: 0

#<window 4 on  *Minibuf-0*>   parent: nil
pixel left: 0   top: 1167   size: 594 x 13   new: 0
char left: 0   top: 90   size: 594 x 1   new: 0
normal: 1.0 x 1.0   new: 0
body pixel: 578 x 13   char: 82 x 1
width left fringe: 8  left margin: 0  right margin: 0
width right fringe: 8  scroll-bar: 0  divider: 0
height header-line: 0  mode-line: 0  divider: 0



-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

bug#19076: 25.0.50; Switching vertical scroll bars off makes the mode line and buffer area disappear

[Lars Magne Ingebrigtsen]

Eli Zaretskii <eliz@gnu.org> writes:

>> From: Lars Magne Ingebrigtsen <larsi@gnus.org>
>> Date: Tue, 18 Nov 2014 13:38:10 +0100
>> Cc: 19076@debbugs.gnu.org
>> 
>> > Do you have a vague idea when this happened for the first time?
>> 
>> I think...  like...  three weeks ago, perhaps?  Two weeks?
>
> Do you per chance have old src/emacs-25.0.50.xx binaries from past
> builds, which you could try to find when it started?

I "bisected" it down to these two from the backup disk:

-rwxr-xr-x 1 larsi larsi 30251403 Sep 18 20:03 /mirror/home/larsi/src/emacs/trunk/src/emacs-24.4.50.10
-rwxr-xr-x 1 larsi larsi 30151900 Aug 25 18:04 /mirror/home/larsi/src/emacs/trunk/src/emacs-24.4.50.9


emacs-24.4.50.9 is OK, and emacs-24.4.50.10 is not, so it happened
between Aug 25 and Sep 18.  Which is longer ago than I thought.

emacs-24.4.50.9 doesn't seem to respond to

emacs.verticalScrollBars: off

at all -- it shows the vertical scroll bar (in addition to the mode line
and echo area).  So perhaps the code that reacts to
emacs.verticalScrollBars also did something with those two?

It may also be geometry sensitive, since I'm not able to reproduce this
on a different screen.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

bug#19076: 25.0.50; Switching vertical scroll bars off makes the mode line and buffer area disappear

[martin rudalics]

 > frame pixel: 596 x 1182   cols/lines: 85 x 88   units: 7 x 13
 > frame text pixel: 578 x 1144   cols/lines: 82 x 88
 > tool: 36  scroll: 0/0  fringe: 16  border: 1  right: 0  bottom: 0
 >
 > #<window 3 on *scratch*>   parent: nil
 > pixel left: 0   top: 36   size: 594 x 1131   new: 0
 > char left: 0   top: 3   size: 84 x 87   new: 0
 > normal: 1.0 x 1.0   new: 0
 > body pixel: 578 x 1118   char: 82 x 86
 > width left fringe: 8  left margin: 0  right margin: 0
 > width right fringe: 8  scroll-bar: 0  divider: 0
 > height header-line: 0  mode-line: 13  divider: 0
 >
 > #<window 4 on  *Minibuf-0*>   parent: nil
 > pixel left: 0   top: 1167   size: 594 x 13   new: 0
 > char left: 0   top: 90   size: 594 x 1   new: 0
 > normal: 1.0 x 1.0   new: 0
 > body pixel: 578 x 13   char: 82 x 1
 > width left fringe: 8  left margin: 0  right margin: 0
 > width right fringe: 8  scroll-bar: 0  divider: 0
 > height header-line: 0  mode-line: 0  divider: 0

These values look completely normal.  Please tell me also the value
returned by (x-frame-geometry).

Do mode line and echo area reappear when you change the frame size or
split a window?

martin

bug#19076: 25.0.50; Switching vertical scroll bars off makes the mode line and buffer area disappear

[Lars Magne Ingebrigtsen]

martin rudalics <rudalics@gmx.at> writes:

> These values look completely normal.  Please tell me also the value
> returned by (x-frame-geometry).

((frame-position 0 . 0) (frame-outer-size 598 . 1184) (external-border-size 1 . 1) (title-height . 0) (menu-bar-external) (menu-bar-size 0 . 0) (tool-bar-external) (tool-bar-position . top) (tool-bar-size 596 . 36) (frame-inner-size 596 . 1146))

> Do mode line and echo area reappear when you change the frame size or
> split a window?

If I resize the frame, the mode line and echo area reappears.  If I just
split a window, the uppermost window gets a mode line, but there's still
no mode line or echo area in the bottom window.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

bug#19076: 25.0.50; Switching vertical scroll bars off makes the mode line and buffer area disappear

[martin rudalics]

[-- Attachment #1: Type: text/plain, Size: 721 bytes --]

 > ((frame-position 0 . 0) (frame-outer-size 598 . 1184) (external-border-size 1 . 1) (title-height . 0) (menu-bar-external) (menu-bar-size 0 . 0) (tool-bar-external) (tool-bar-position . top) (tool-bar-size 596 . 36) (frame-inner-size 596 . 1146))

These values are as expected too.

 > If I resize the frame, the mode line and echo area reappears.  If I just
 > split a window, the uppermost window gets a mode line, but there's still
 > no mode line or echo area in the bottom window.

I see.  Does the problem also appear when you turn the tool bar
initially off?  Do you use `desktop-save-mode'?  If any of these is
true, can you try the patch I proposed for Bug#19048 and which I attach
here again.

Thanks, martin

[-- Attachment #2: x_set_tool_bar_lines.patch --]
[-- Type: text/plain, Size: 3228 bytes --]

diff --git a/src/w32fns.c b/src/w32fns.c
index 1b290b7..e514970 100644
--- a/src/w32fns.c
+++ b/src/w32fns.c
@@ -1721,15 +1721,7 @@ x_set_tool_bar_lines (struct frame *f, Lisp_Object value, Lisp_Object oldval)
   else
     nlines = 0;

-  if (nlines == 0)
-    x_change_tool_bar_height (f, nlines * FRAME_LINE_HEIGHT (f));
-  else
-    {
-      f->n_tool_bar_rows = 0;
-      FRAME_TOOL_BAR_LINES (f) = nlines;
-      adjust_frame_glyphs (f);
-      SET_FRAME_GARBAGED (f);
-    }
+  x_change_tool_bar_height (f, nlines * FRAME_LINE_HEIGHT (f));
 }


@@ -1749,11 +1741,7 @@ x_change_tool_bar_height (struct frame *f, int height)
   /* Recalculate tool bar and frame text sizes.  */
   FRAME_TOOL_BAR_HEIGHT (f) = height;
   FRAME_TOOL_BAR_LINES (f) = lines;
-/**   FRAME_TEXT_HEIGHT (f) **/
-/**     = FRAME_PIXEL_TO_TEXT_HEIGHT (f, FRAME_PIXEL_HEIGHT (f)); **/
-/**   FRAME_LINES (f) **/
-/**     = FRAME_PIXEL_HEIGHT_TO_TEXT_LINES (f, FRAME_PIXEL_HEIGHT (f)); **/
-  /* Store the `tool-bar-lines' and `height' frame parameters.  */
+  /* Store `tool-bar-lines' and `height' frame parameters.  */
   store_frame_param (f, Qtool_bar_lines, make_number (lines));
   store_frame_param (f, Qheight, make_number (FRAME_LINES (f)));

@@ -1772,6 +1760,10 @@ x_change_tool_bar_height (struct frame *f, int height)
   adjust_frame_size (f, -1, -1, (old_height == 0 || height == 0) ? 2 : 4, 0,
 		     Qtool_bar_lines);

+  /* adjust_frame_size might not have done anything, garbage frame
+     here.  */
+  adjust_frame_glyphs (f);
+  SET_FRAME_GARBAGED (f);
   if (FRAME_X_WINDOW (f))
     x_clear_under_internal_border (f);
 }
diff --git a/src/xfns.c b/src/xfns.c
index aaa75f2..59715d0 100644
--- a/src/xfns.c
+++ b/src/xfns.c
@@ -1075,19 +1075,7 @@ x_set_tool_bar_lines (struct frame *f, Lisp_Object value, Lisp_Object oldval)
   else
     nlines = 0;

-#ifdef USE_GTK
   x_change_tool_bar_height (f, nlines * FRAME_LINE_HEIGHT (f));
-#else /* !USE_GTK */
-  if (nlines == 0)
-    x_change_tool_bar_height (f, nlines * FRAME_LINE_HEIGHT (f));
-  else
-    {
-      f->n_tool_bar_rows = 0;
-      FRAME_TOOL_BAR_LINES (f) = nlines;
-      adjust_frame_glyphs (f);
-      SET_FRAME_GARBAGED (f);
-    }
-#endif /* USE_GTK */
 }


@@ -1124,10 +1112,6 @@ x_change_tool_bar_height (struct frame *f, int height)
   /* Recalculate tool bar and frame text sizes.  */
   FRAME_TOOL_BAR_HEIGHT (f) = height;
   FRAME_TOOL_BAR_LINES (f) = lines;
-/**   FRAME_TEXT_HEIGHT (f) **/
-/**     = FRAME_PIXEL_TO_TEXT_HEIGHT (f, FRAME_PIXEL_HEIGHT (f)); **/
-/**   FRAME_LINES (f) **/
-/**     = FRAME_PIXEL_HEIGHT_TO_TEXT_LINES (f, FRAME_PIXEL_HEIGHT (f)); **/
   /* Store the `tool-bar-lines' and `height' frame parameters.  */
   store_frame_param (f, Qtool_bar_lines, make_number (lines));
   store_frame_param (f, Qheight, make_number (FRAME_LINES (f)));
@@ -1153,6 +1137,10 @@ x_change_tool_bar_height (struct frame *f, int height)
   adjust_frame_size (f, -1, -1, (old_height == 0 || height == 0) ? 2 : 4, 0,
 		     Qtool_bar_lines);

+  /* adjust_frame_size might not have done anything, garbage frame
+     here.  */
+  adjust_frame_glyphs (f);
+  SET_FRAME_GARBAGED (f);
   if (FRAME_X_WINDOW (f))
     x_clear_under_internal_border (f);

bug#19076: 25.0.50; Switching vertical scroll bars off makes the mode line and buffer area disappear

[Lars Magne Ingebrigtsen]

martin rudalics <rudalics@gmx.at> writes:

>> If I resize the frame, the mode line and echo area reappears.  If I just
>> split a window, the uppermost window gets a mode line, but there's still
>> no mode line or echo area in the bottom window.
>
> I see.  Does the problem also appear when you turn the tool bar
> initially off?

I'm not sure how to test that...

> Do you use `desktop-save-mode'?  If any of these is
> true, can you try the patch I proposed for Bug#19048 and which I attach
> here again.

I don't use `desktop-save-mode'.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

bug#19076: 25.0.50; Switching vertical scroll bars off makes the mode line and buffer area disappear

[Lars Magne Ingebrigtsen]

martin rudalics <rudalics@gmx.at> writes:

> I see.  Does the problem also appear when you turn the tool bar
> initially off?  Do you use `desktop-save-mode'?  If any of these is
> true, can you try the patch I proposed for Bug#19048 and which I attach
> here again.

I tried applying the patch, but it doesn't seem to apply cleanly to the
trunk any more.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

bug#19076: 25.0.50; Switching vertical scroll bars off makes the mode line and buffer area disappear

[martin rudalics]

 >> I see.  Does the problem also appear when you turn the tool bar
 >> initially off?
 >
 > I'm not sure how to test that...

If the problem occurs with your usual .emacs then simply turn
`tool-bar-mode' off there.

martin

bug#19076: 25.0.50; Switching vertical scroll bars off makes the mode line and buffer area disappear

[martin rudalics]

 > I tried applying the patch, but it doesn't seem to apply cleanly to the
 > trunk any more.

Because it's already in trunk.  So if you still see the problem, the
patch didn't help anyway.  Could you try bisecting then?  Sorry, I have
no better idea.

martin

bug#19076: 25.0.50; Switching vertical scroll bars off makes the mode line and buffer area disappear

[martin rudalics]

> I have the following in my .Xdefaults file:
>
> emacs.verticalScrollBars: off
>
> When I start Emacs up, the initial frame comes up with no mode line and
> no echo area, so it's impossible to see what happens when I type
> `M-x ...', for instance.

Does this still happen?  If so I'd like to tell you how to debug this.

Thanks, martin

bug#19076: 25.0.50; Switching vertical scroll bars off makes the mode line and buffer area disappear

[Lars Ingebrigtsen]

martin rudalics <rudalics@gmx.at> writes:

>> I have the following in my .Xdefaults file:
>>
>> emacs.verticalScrollBars: off
>>
>> When I start Emacs up, the initial frame comes up with no mode line and
>> no echo area, so it's impossible to see what happens when I type
>> `M-x ...', for instance.
>
> Does this still happen?  If so I'd like to tell you how to debug this.

It only seems to happen at certain geometries, so I'm unable to
reproduce this on this screen.  But I'll be back in the office next week
and can try debugging it then.

-- 
(domestic pets only, the antidote for overdose, milk.)
  bloggy blog http://lars.ingebrigtsen.no/

bug#19076: 25.0.50; Switching vertical scroll bars off makes the mode line and buffer area disappear

[Lars Ingebrigtsen]

Lars Magne Ingebrigtsen <larsi@gnus.org> writes:

> I have the following in my .Xdefaults file:
>
> emacs.verticalScrollBars: off
>
> When I start Emacs up, the initial frame comes up with no mode line and
> no echo area, so it's impossible to see what happens when I type
> `M-x ...', for instance.

I'm no longer seeing this, so I'm closing this bug report.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no