bugGNU TeXmacs - Bugs: bug #61217, CPU hog

 
 

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bug #61217: CPU hog

Submitter:  ederag <ederag>
Submitted:  Fri 24 Sep 2021 06:29:24 PM UTC
   
 
Category:  Editor Priority:  5 - Normal
Item Group:  Error Status:  None
Privacy:  Public Assigned to:  None
Originator Name:  Open/Closed:  Open
Release:  None Release:  2.1
Fixed Release:  None Fixed Release: 
Keywords: 

Sun 21 Nov 2021 05:25:24 PM UTC, comment #2: 

Thanks a lot for the good tip. Removing
~/.TeXmacs/system/cache
fixed it.

ederag <ederag>
Sun 21 Nov 2021 03:12:25 PM UTC, comment #1: 

I've seen once similar maxing out of a cpu after ~30s. Turns out the cause was a stupid typo I had made in some scheme code (starting a comment with : instead of ;) and which surprisingly was not triggering any visible error.

I'm not suggesting you made the exact same typo, but it could be worth trying to run texmacs with a fresh blank ~/.TeXmacs folder (just rename it before starting texmacs so as to preserve your settings).

Philippe Joyez <pjoyez>
Group Member
Fri 24 Sep 2021 06:29:24 PM UTC, original submission:  

Same symptom as the closed #36714:
after a short while, texmacs.bin brings one CPU to 100%.

Installed version 2.1
SVN revision      13558
from http://www.texmacs.org/Download/ftp/tmftp/generic/TeXmacs-2.1-C.tar.gz
System: openSUSE Leap-15.3

But this "one cpu at 100%" was also present with 1.99.17.

To reproduce:
export TEXMACS_PATH=/usr/local/build/TeXmacs-2.1-x86_64-pc-linux-gnu/TeXmacs
export PATH=$TEXMACS_PATH/bin:$PATH
texmacs

In the empty document window, type "a" then <ENTER>   (mandatory to see the cpu increase)
wait about 20 s
(time measured today, repeatedly, but it might have been longer some other days).
Besides, Preferences > Others > Automatically save
is "Disable", so it does not look like an autosave issue
(https://savannah.gnu.org/bugs/?func=detailitem&item_id=36714#comment3).

Note: every time texmacs is launched from the terminal,

Fontconfig error: "/etc/fonts/conf.d/10-scale-bitmap-fonts.conf", line 72: non-double matrix element
Fontconfig error: "/etc/fonts/conf.d/10-scale-bitmap-fonts.conf", line 72: non-double matrix element
Fontconfig warning: "/etc/fonts/conf.d/10-scale-bitmap-fonts.conf", line 80: saw unknown, expected number
Fontconfig warning: "/etc/fonts/conf.d/30-metric-aliases.conf", line 65: bad alias
[...]
X Error: BadDrawable (invalid Pixmap or Window parameter) 9
  Major opcode: 62 (X_CopyArea)
  Resource id:  0x0
TeXmacs] With linked TrueType support


I'd be ready to perform more tests, with some guidance, if you wish.

ederag <ederag>

 

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