[dunhill]

To provide more information.
Only in debug mode, after which calibre starts normally.

walter@walter-Cyborg-15-A12VE:~$ calibre-debug -g -- --ignore-plugins
calibre 8.12  embedded-python: True
Linux-6.11.0-29-generic-x86_64-with-glibc2.39 Linux ('64bit', 'ELF')
('Linux', '6.11.0-29-generic', '#29~24.04.1-Ubuntu SMP PREEMPT_DYNAMIC Thu Jun 26 14:16:59 UTC 2')
Python 3.11.13
Interface language: es
EXE path: /opt/calibre/bin/calibre-debug
Initialized urlfixer
Successfully initialized third party plugins: DeACSM (0, 0, 16) && Gather KFX-ZIP (from KFX Input) (2, 26, 2) && DeDRM (10, 0, 9) && Package KFX (from KFX Input) (2, 26, 2) && AI Custom Tag Extractor (1, 0, 0) && AI Metadata (0, 1, 1) && Action Chains (1, 20, 10) && Actualizador Biblioteca LDS (1, 8, 0) && Amazon.com Multiple Countries (1, 0, 0) && Amazon_Precios (1, 0, 0) && Audio M3U (1, 0, 0) && AudioBook_Duration (1, 0, 10) && Author Book Count (2, 2, 3) && Backup Configuration Folder (1, 1, 2) && Barnes & Noble (1, 5, 7) && Biblioteca EPL (4, 2, 0) && BookFusion Plugin (0, 8, 1) && Busca en internet (1, 8, 1) && Calibre Config Reports (2, 0, 9) && Check Books (0, 2, 0) && Clean Comments (0, 2, 1) && Comicvine (0, 14, 2) && Comments Cleaner (1, 17, 3) && Count Pages (1, 14, 0) && Cuspide_Precios (1, 0, 0) && Download AI Metadata Button (1, 0, 0) && Download Metadata Button (1, 0, 0) && DriveThruRPG (0, 0, 5) && Ebook Translator (2, 4, 1) && Embed Comic Metadata (1, 6, 7) && EpubCheck (0, 2, 6) && EpubMerge (3, 2, 0) && Extract ISBN (1, 6, 5) && Favourites Menu (1, 3, 1) && Fetch Audio Meta (0, 1, 22) && Find Duplicates (1, 10, 9) && GR Author Notes (1, 2, 1) && Generate Cover (2, 3, 6) && Goodreads (1, 8, 3) && Goodreads Sync (1, 16, 12) && Hardcover (0, 4, 1) && Hyphenate This! (0, 1, 3) && Import List (1, 9, 8) && Job Spy (1, 0, 239) && KFX metadata reader (from KFX Input) (2, 26, 2) && From KFX (2, 26, 2) && KFX Input (2, 26, 2) && Set KFX metadata (from KFX Output) (2, 17, 1) && KFX Output (2, 17, 1) && Kindle Collections (1, 7, 29) && Kindle Comics Input (0, 0, 2) && Kindle Comics Output (0, 0, 2) && Kindle hi-res covers (0, 5, 1) && KindleUnpack - The Plugin (0, 83, 8) && LanguageTool (0, 1, 3) && Last Modified (0, 8, 5) && Libgen Fiction (0, 4, 0) && Library Genesis (1, 4, 2) && Library of Congress (0, 1, 0) && Manage Series (1, 5, 2) && Mass Search-Replace (1, 8, 5) && Media File Importer (1, 0, 27) && Modify ePub (1, 8, 7) && MultiColumnSearch (1, 0, 96) && New Douban Books (2, 1, 0) && Obok DeDRM (10, 0, 9) && Open With (1, 8, 4) && Quality Check (1, 14, 4) && Quick Preferences (1, 7, 1) && Reading Goal (2, 0, 0) && Reading List (1, 15, 6) && Remove ID (1, 0, 0) && Resize Cover (1, 2, 1) && Search The Internet (1, 11, 3) && SmartEject (2, 6, 0) && StoryGraph (1, 0, 1) && Sum Column (0, 3, 3) && Telegram Downloader (1, 0, 0) && Tematika_Pricecheck (1, 0, 0) && TextDiff (1, 3, 1) && Theme Switcher (1, 0, 0) && Toggle Internal Viewer (1, 0, 0) && User Category (1, 6, 1) && Wiki Reader (2, 2, 1) && Wikidata (2, 0, 0) && Wikidata gui (2, 0, 0) && WordDumb (3, 35, 2) && Yenny - El Ateneo (1, 0, 0) && YennyElAteneo Metadata Plugin (1, 0, 5) && ePub Extended Metadata {Reader} (0, 11, 7) && ePub Extended Metadata {Writer} (0, 11, 7) && ePub Extended Metadata (0, 11, 7)
QPA platform: xcb
devicePixelRatio: 1.0
logicalDpi: 96.0 x 96.0
physicalDpi: 141.7674418604651 x 142.13471502590673
ApplicationPaletteChange event ignored
Using calibre Qt style: True
Traceback (most recent call last):
  File "runpy.py", line 198, in _run_module_as_main
  File "runpy.py", line 88, in _run_code
  File "site.py", line 47, in <module>
  File "site.py", line 43, in main
  File "calibre/debug.py", line 236, in main
  File "calibre/gui_launch.py", line 74, in calibre
  File "calibre/gui2/main.py", line 548, in main
  File "calibre/gui2/main.py", line 560, in run_main
  File "calibre/gui2/main.py", line 398, in run_gui
  File "calibre/gui2/main.py", line 408, in run_gui_
  File "<frozen importlib._bootstrap>", line 1176, in _find_and_load
  File "<frozen importlib._bootstrap>", line 1147, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 690, in _load_unlocked
  File "bypy-importer.py", line 279, in exec_module
  File "calibre/gui2/ui.py", line 51, in <module>
  File "<frozen importlib._bootstrap>", line 1176, in _find_and_load
  File "<frozen importlib._bootstrap>", line 1147, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 690, in _load_unlocked
  File "bypy-importer.py", line 279, in exec_module
  File "calibre/gui2/init.py", line 37, in <module>
  File "<frozen importlib._bootstrap>", line 1176, in _find_and_load
  File "<frozen importlib._bootstrap>", line 1147, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 690, in _load_unlocked
  File "bypy-importer.py", line 279, in exec_module
  File "calibre/gui2/library/alternate_views.py", line 67, in <module>
  File "<frozen importlib._bootstrap>", line 1176, in _find_and_load
  File "<frozen importlib._bootstrap>", line 1147, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 690, in _load_unlocked
  File "bypy-importer.py", line 279, in exec_module
  File "calibre/gui2/pin_columns.py", line 9, in <module>
  File "<frozen importlib._bootstrap>", line 1176, in _find_and_load
  File "<frozen importlib._bootstrap>", line 1147, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 690, in _load_unlocked
  File "bypy-importer.py", line 279, in exec_module
  File "calibre/gui2/library/delegates.py", line 46, in <module>
  File "<frozen importlib._bootstrap>", line 1176, in _find_and_load
  File "<frozen importlib._bootstrap>", line 1147, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 690, in _load_unlocked
  File "bypy-importer.py", line 279, in exec_module
  File "calibre/gui2/dialogs/comments_dialog.py", line 11, in <module>
  File "<frozen importlib._bootstrap>", line 1176, in _find_and_load
  File "<frozen importlib._bootstrap>", line 1147, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 690, in _load_unlocked
  File "bypy-importer.py", line 279, in exec_module
  File "calibre/gui2/comments_editor.py", line 14, in <module>
  File "<frozen importlib._bootstrap>", line 1176, in _find_and_load
  File "<frozen importlib._bootstrap>", line 1147, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 690, in _load_unlocked
  File "bypy-importer.py", line 279, in exec_module
  File "html5_parser/__init__.py", line 31, in <module>
RuntimeError: html5-parser and lxml are using different versions of libxml2. This happens commonly when using pip installed versions of lxml. Use pip install --no-binary lxml lxml instead. libxml2 versions: html5-parser: (2, 9, 14) != lxml: (2, 15, 0)