Posted to tcl by avl at Wed Apr 07 08:35:12 GMT 2021view pretty

$ wish
% info pa
8.6.7
% label .l
Bus Error (core dumped)

$ pstack core
core 'core' of 18840:   wish
------------  lwp# 1 / thread# 1  ---------------
 001ffe899bc88480 GetTkFontAttributes (18e0000018e, 1696edc9a8, 0, 1696e6a624, 23bc00, 1ffe899bc88474) + 10
 001ffe899bc888ac InitFont (1696f99220, 0, 1696edc970, 0, 1696e54810, 1ffe899bda4000) + 20c
 001ffe899bc88ebc TkpGetFontFromAttributes (0, 1696f99220, 1696faa1e8, 0, 1ffe899bda4000, 1696f45780) + 14c
 001ffe899bb88e5c Tk_AllocFontFromObj (1696dedce0, 1696f99220, 1696f5ef90, 251400, 0, 1ffe899ad5ad90) + 23c
 001ffe899bb7f414 DoObjConfig (1696dedce0, 1696ed2b50, 1696eccb90, 1ffe899bdc7120, 1696f99220, 0) + 724
 001ffe899bb7e9dc Tk_InitOptions (1696dedce0, 1696ed2b50, 1696f5ef90, 1696f99220, 0, 1ffe899bdc7120) + 17c
 001ffe899bbb79d4 ButtonCreate (ffffffffffe14e80, 1696dedce0, 2, 1696df1d90, 8, 1ec400) + 2a4

This happened ever since 8.5   (8.4 worked fine, and was my workaround for the last decade)