Kovid:
Thanks for the further advice!
However:
starting calibre either with or without that prefix works fine, if all I do is work inside Calibre.
starting the ebook viewer from within Calibre (whether the prefix was used when starting Calibre, or not) still doesn't work.
starting the ebook viewer from the command line still does not work, regardless of whether the prefix was used, OR NOT.
running ebook-viewer like this:
Quote:
$ strace --output=ebook-viewer-strace --output-separately /usr/bin/ebook-viewer
QGLXContext: Failed to create dummy context
QRhiGles2: Failed to create temporary context
QRhiGles2: Failed to create context
Failed to create QRhi for QBackingStoreRhiSupport
QRhiGles2: Failed to create temporary context
QRhiGles2: Failed to create context
Failed to create QRhi for QBackingStoreRhiSupport
QQuickWidget: Failed to get a QRhi from the top-level widget's window
QQuickWidget::resizeEvent() no QRhi
QRhiGles2: Failed to create temporary context
QRhiGles2: Failed to create context
Failed to create QRhi for QBackingStoreRhiSupport
QQuickWidget: Failed to get a QRhi from the top-level widget's window
QQuickWidget: Attempted to render scene with no rhi
QQuickWidget: Attempted to render scene with no rhi
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gives the above output on the terminal.
the strace output from that same run is attached... Whoops, no it isn't. I keep getting "invalaid file" when trying to upload it. It is 4.1 MB, is that too big to attach?
Fred