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Hello Jeroen,

Thanks a lot. Removing interactive.scm solved the problem (actually commenting the line mentioned in the error message was enough). Here is the (shortened) content of the file:

- start interactive.scm -

((load-buffer
(("0"
system->url
"/home/jk/somepath/somefile.tm")))
(recent-buffer
(("0"
.
"tmfs://help/article/tm/doc/about/welcome/new-welcome.en.tm")))
(execute-command
(("0" . #<eof>)) <-------- problematic line
(("0" . "w"))
(("0" . "q")))
(save-buffer-as
(("0" system->url "/home/jk/Documents/scratch.tm"))))

- end interactive.scm -

I removed all items under recent-buffer except for one, therefore the line numbers do not correlate anymore with the error message. But the problematic line is marked.

Thanks again,
Jan


On 15.09.21 21:30, Jeroen Wouters wrote:

Hello Jan,

There was a similar report recently on the forum:
http://forum.texmacs.cn/t/texmacs-falling-into-infinite-crash-loop/416/3 <http://forum.texmacs.cn/t/texmacs-falling-into-infinite-crash-loop/416/3>

The file ~/.TeXmacs/system/interactive.scm probably got corrupted somehow.

You can move that file to another location and retry running TeXmacs.

It would be good if you could post that file's contents, perhaps it will reveal something about how it got corrupted.

Best wishes,
Jeroen

On 15 September 2021 09:26:43 BST, Jan Kuhfeld <address@hidden> wrote:


Hello everyone,

for a while now, I am happily using TeXmacs under Archlinux (thank you
for this nice program).

Sadly, since a recent system update I am not able to start TeXmacs
anymore. Running texmacs -d in the terminal results in following error
message:

-Start error message-

Installing internal plug-ins...
Welcome to TeXmacs 2.1

kpsepath works with your TeX distribution
kpsewhich works with your TeX distribution
mktextfm works with your TeX distribution
mktexpk works with your TeX distribution
texhash works with your TeX distribution
attempt install of inkscape extension

Installation completed successfully !
I will now start up the editor

Opening display...
Screen extents: 2736 x 1824
Starting server...
TeXmacs] debug-std, Evaluating
/usr/share/TeXmacs/progs/init-texmacs.scm...
/usr/share/TeXmacs/progs/kernel/boot/abbrevs.scm:81:12: In
procedure scm_lreadr in expression (read (open-file # OPEN_READ)):
/usr/share/TeXmacs/progs/kernel/boot/abbrevs.scm:81:12:
/home/jk/.TeXmacs/system/interactive.scm:59:14: Unknown # object: #\<
Loading welcome message...
Creating 'no name' buffer...
TeXmacs] With linked TrueType support
TeXmacs] debug-std, Redefined color dark slate
TeXmacs] debug-std, #2F4F4F replaced by #483D8B
TeXmacs] debug-std, Redefined color light slate
TeXmacs] debug-std, #778899 replaced by #8470FF
TeXmacs] debug-std, Redefined color light goldenrod
TeXmacs] debug-std, #FAFAD2 replaced by #EEDD82
TeXmacs] debug-std, Evaluating
/usr/share/TeXmacs/progs/init-buffer.scm...
/usr/share/TeXmacs/progs/init-buffer.scm:15:9: In expression
(buffer-missing-style?):
/usr/share/TeXmacs/progs/init-buffer.scm:15:9: Unbound variable:
buffer-missing-style?
Throwing widget should be attached
------------------------------------------------------------------------
Error message:
widget should be attached

System information:
TeXmacs version : 2.1
Built by : builduser
Building date : 2021-06-23T11:29:57
Operating system : linux-gnu
Vendor : pc
Processor : x86_64
Crash date : Mi 15. Sep 09:52:39 CEST 2021

TeXmacs does not yet have a current view
Backtrace of C++ stack:
texmacs.bin : () + 0x467e8f
texmacs.bin : () + 0x2a9494
texmacs.bin : () + 0x453ced
texmacs.bin : () + 0x45447b
texmacs.bin : () + 0x45c4ba
texmacs.bin : () + 0x45e181
texmacs.bin : () + 0x257dba
/usr/lib/libguile.so.17 : () + 0x5dd06
/usr/lib/libguile.so.17 : () + 0x35fe5
/usr/lib/libguile.so.17 : scm_c_catch() + 0x163
/usr/lib/libguile.so.17 : scm_i_with_continuation_barrier() + 0xb0
/usr/lib/libguile.so.17 : scm_c_with_continuation_barrier() + 0x44
/usr/lib/libguile.so.17 : scm_i_with_guile_and_parent() + 0x37
/usr/lib/libguile.so.17 : scm_with_guile() + 0x11
/usr/lib/libguile.so.17 : scm_boot_guile() + 0x36
texmacs.bin : () + 0x23ad47
/usr/lib/libc.so.6 : __libc_start_main() + 0xd5
texmacs.bin : () + 0x256a6e
------------------------------------------------------------------------
terminate called after throwing an instance of 'string'
zsh: abort (core dumped) texmacs -d

-End error message-

My first guess is that this is related to an update of Qt5. Both,
because I remember that Qt5 was in the list of updated packages (there
were multiple updates to the qt5-base package and probably other qt5
related packages in the last days) and because of the "widget should be
attached" message. I already tried rebuilding TeXmacs (with the PKGBUILD
of the official arch repo), but the problem stayed. I am willing to do
more tests, if you need additional information, and of course I can test
any patches on my system.

Thank you again for all your work on TeXmacs!

Jan

PS: Please let me know, if these kind of bug reports should better be
posted on this mailing list or on the dev list.

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• Fails to start, error: "widget should be attached", Jan Kuhfeld, 09/15/2021
  • Message not available
    • Re: Fails to start, error: "widget should be attached", Jan Kuhfeld, 09/16/2021

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