Hi, don't have much time to do a deep-dive but https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1004361 suggests that installing qtwayland5 may fix this.
Cheers, -Soeren On Mon, 2025-11-17 at 23:31 +0100, a wrote: > lsd@Crawler-E25 : ~/Downloads $ ./pulseview-NIGHTLY-x86_64-debug.AppImage > qt.qpa.plugin: Could not find the Qt platform plugin "wayland" in > "" QFont::fromString: Invalid description 'Noto > Sans,10,-1,5,400,0,0,0,0,0,0,0,0,0,0,1' QFont::fromString: Invalid > description 'Hack,10,-1,5,400,0,0,0,0,0,0,0,0,0,0,1' > QFont::fromString: Invalid description 'Noto > Sans,10,-1,5,400,0,0,0,0,0,0,0,0,0,0,1' QFont::fromString: Invalid > description 'Noto Sans,9,-1,5,400,0,0,0,0,0,0,0,0,0,0,1' Setting > "General_Language" changed to QVariant(QString, "pl") > Translation resource ":/l10n/pl.qm" not found QT translations for > "pl" not found at "/tmp/.mount_pulsevDIEecE/usr/translations" > , Qt translations package is probably missi ng Translation resource > ":/l10n/pl.qm" not found QT translations for "pl" not found > at "/tmp/.mount_pulsevDIEecE/usr/translations" , Qt translations > package is probably missi ng Setting "General_Theme" changed to > QVariant(int, 0) Setting "General_Style" changed to > QVariant(QString, "") Setting "General_SaveWithSetup" > changed to QVariant(bool, true) Setting "View_ZoomToFitAfterAcq" > changed to QVariant(bool, true) Setting > "View_AllowVerticalDragging" changed to QVariant(bool, true) > Setting "View_ColoredBG" changed to QVariant(bool, true) Setting > "View_ShowSamplingPoints" changed to QVariant(bool, true) Setting > "View_FillSignalHighAreas" changed to QVariant(bool, true) Setting > "View_DefaultDivHeight" changed to QVariant(int, 78) Setting > "View_DefaultLogicHeight" changed to QVariant(int, 52) Setting > "View_ShowHoverMarker" changed to QVariant(bool, true) Setting > "View_KeepRulerItemSelected" changed to QVariant(bool, false) > Setting "View_SnapDistance" changed to QVariant(int, 15) Setting > "View_CursorShowInterval" changed to QVariant(bool, true) Setting > "View_CursorShowFrequency" changed to QVariant(bool, true) Setting > "Dec_ExportFormat" changed to QVariant(QString, "%s %d: %r: > %1") Setting "Log_BufferSize" changed to QVariant(int, 500) > Setting "Log_NotifyOfStacktrace" changed to QVariant(bool, true) > Setting "View_FillSignalHighAreaColor" changed to QVariant(uint, > 201326592) Setting "View_CursorFillColor" changed to QVariant(uint, > 4292667379) Translation resource ":/l10n/pl.qm" not found QT > translations for "pl" not found at > "/tmp/.mount_pulsevDIEecE/usr/translations" , Qt translations package > is probably missi ng srd: ModuleNotFoundError: Failed to load decoder > ir_irmp: import by name failed: No module named '_ctypes' srd: > Traceback (most recent call last): File > "/tmp/.mount_pulsevDIEecE/usr/share/libsigrokdecode/decoders/ir_irmp/__init__.py", > line 25, in <module> from .pd import Decoder File > "/tmp/.mount_pulsevDIEecE/usr/share/libsigrokdecode/decoders/ir_irmp/pd.py", > line 22, in <module> from . import irmp_library File > "/tmp/.mount_pulsevDIEecE/usr/share/libsigrokdecode/decoders/ir_irmp/irmp_library.py", > line 25, in <module> import ctypes File > "/tmp/.mount_pulsevDIEecE/usr/share/pyshared/ctypes/__init__.py", > line 7, in <module> from _ctypes import Union, Structure, Array > ModuleNotFoundError: No module named '_ctypes' srd: > ModuleNotFoundError: Failed to load decoder lfast: import by name failed: No > module named '_contextvars' srd: Traceback (most recent call last): > File "/tmp/.mount_pulsevDIEecE/usr/share/pyshared/decimal.py", > line 3, in <module> from _decimal import * ModuleNotFoundError: > No module named '_decimal' During handling of the above > exception, another exception occurred: Traceback (most recent call > last): File > "/tmp/.mount_pulsevDIEecE/usr/share/libsigrokdecode/decoders/lfast/__init__.py", > line 35, in <module> from .pd import Decoder File > "/tmp/.mount_pulsevDIEecE/usr/share/libsigrokdecode/decoders/lfast/pd.py", > line 22, in <module> import decimal File > "/tmp/.mount_pulsevDIEecE/usr/share/pyshared/decimal.py", line 8, in > <module> from _pydecimal import * File > "/tmp/.mount_pulsevDIEecE/usr/share/pyshared/_pydecimal.py", line > 440, in <module> import contextvars File > "/tmp/.mount_pulsevDIEecE/usr/share/pyshared/contextvars.py", line 1, > in <module> from _contextvars import Context, ContextVar, Token, > copy_context ModuleNotFoundError: No module named '_contextvars' > Acquisition took 1.05 s Setting "General_Language" changed to > QVariant(QString, "en") lsd@Crawler-E25 : ~/Downloads $ > ./pulseview-NIGHTLY-x86_64-debug.AppImage qt.qpa.plugin: Could not find the > Qt platform plugin "wayland" in "" QFont::fromString: > Invalid description 'Noto Sans,10,-1,5,400,0,0,0,0,0,0,0,0,0,0,1' > QFont::fromString: Invalid description > 'Hack,10,-1,5,400,0,0,0,0,0,0,0,0,0,0,1' QFont::fromString: Invalid > description 'Noto Sans,10,-1,5,400,0,0,0,0,0,0,0,0,0,0,1' > QFont::fromString: Invalid description 'Noto > Sans,9,-1,5,400,0,0,0,0,0,0,0,0,0,0,1' srd: ModuleNotFoundError: Failed > to load decoder ir_irmp: import by name failed: No module named > '_ctypes' srd: Traceback (most recent call last): File > "/tmp/.mount_pulsevlPoGDh/usr/share/libsigrokdecode/decoders/ir_irmp/__init__.py", > line 25, in <module> from .pd import Decoder File > "/tmp/.mount_pulsevlPoGDh/usr/share/libsigrokdecode/decoders/ir_irmp/pd.py", > line 22, in <module> from . import irmp_library File > "/tmp/.mount_pulsevlPoGDh/usr/share/libsigrokdecode/decoders/ir_irmp/irmp_library.py", > line 25, in <module> import ctypes File > "/tmp/.mount_pulsevlPoGDh/usr/share/pyshared/ctypes/__init__.py", > line 7, in <module> from _ctypes import Union, Structure, Array > ModuleNotFoundError: No module named '_ctypes' srd: > ModuleNotFoundError: Failed to load decoder lfast: import by name failed: No > module named '_contextvars' srd: Traceback (most recent call last): > File "/tmp/.mount_pulsevlPoGDh/usr/share/pyshared/decimal.py", > line 3, in <module> from _decimal import * ModuleNotFoundError: > No module named '_decimal' During handling of the above > exception, another exception occurred: Traceback (most recent call > last): File > "/tmp/.mount_pulsevlPoGDh/usr/share/libsigrokdecode/decoders/lfast/__init__.py", > line 35, in <module> from .pd import Decoder File > "/tmp/.mount_pulsevlPoGDh/usr/share/libsigrokdecode/decoders/lfast/pd.py", > line 22, in <module> import decimal File > "/tmp/.mount_pulsevlPoGDh/usr/share/pyshared/decimal.py", line 8, in > <module> from _pydecimal import * File > "/tmp/.mount_pulsevlPoGDh/usr/share/pyshared/_pydecimal.py", line > 440, in <module> import contextvars File > "/tmp/.mount_pulsevlPoGDh/usr/share/pyshared/contextvars.py", line 1, > in <module> from _contextvars import Context, ContextVar, Token, > copy_context ModuleNotFoundError: No module named '_contextvars' > thanks > _______________________________________________ > sigrok-devel mailing list > [email protected] > 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