Hello, I can confirm this issue using all the latest versions (PyQt5, QScintilla, PyQt5-sip) on Python 3.8.0 on Kubuntu 19.10. This issue was already reported to this mailing list in November last year.
This Ex.Co issue gives more details. Hope it helps. https://github.com/matkuki/ExCo/issues/33[1] Am Mittwoch, 22. April 2020, 17:07:14 CEST schrieb Matic Kukovec: > On 22/04/2020 15:00, Matic Kukovec wrote: > >> On 21/04/2020 21:11, Matic Kukovec wrote: > >>> Hi, > >>> > >>> This bug is only present on Linux! > >>> > >>> In the attachment is an example of the error. How to reproduce it: > >>> Without changing any text inside the QScintilla editor, set the > >> > >> cursor > >> > >>> to the beginning of the first line, press and hold the CTRL key > >> > >> and > >> > >>> drag the mouse to the end of the first line. After selecting a few > >>> characters, usually more than 5 or 6, the example throws a > >> > >> exception, > >> > >>> something like: > >>> > >>> *** Error in `/usr/bin/python3': free(): invalid next size (fast): > >>> 0x01e8d3e8 *** > >>> Aborted > >>> > >>> The error appears to happen when calling the selectedText method, > >>> while the CTRL key is pressed and changing the selected text with > >> > >> the > >> > >>> mouse. > >>> The returned string from selectedText is not correct, which is > >> > >> visible > >> > >>> in the console window in the example just before the exception is > >>> thrown. > >>> > >>> This error was found and reproduced in multiple editors, > >> > >> including: > >>> ExCo, mu-editor and meditor. > >>> Probably every editor based on QScintilla has this issue. > >>> > >>> Tested on: > >>> > >>> * Lubuntu x64, PyQt 5.11.2, QScintilla 2.11.4 > >>> * Raspbian RaspberryPI 3 (arm), PyQt 5.7, QScintilla 2.9.3 > >> > >> Works fine for me with current versions. > >> > >> Phil > > > > Hi Phil, > > > Nope, tried with PyQt 5.14.2 and QScintilla 2.11.4, same error: > What version of Python? > > Phil > Python 3.7.3 (default, Oct 7 2019, 12:56:13) [GCC 8.3.0] on linux > > Regards Detlev Offenbach [email protected] -------- [1] https://github.com/matkuki/ExCo/issues/33
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