I am sorry, i will notice to use 'reply all' since this time. here is this time i tried: 1. after 'run' , i do not see gui window, i have no way to input, here is the result: $ gdb ./emacs -q Reading symbols from ./emacs... SIGINT is used by the debugger. Are you sure you want to change it? (y or n) [answered Y; input not from terminal] DISPLAY = :0 TERM = rxvt-unicode-256color Breakpoint 1 at 0x4ac18: file emacs.c, line 412. Breakpoint 2 at 0x129bc0: file xterm.c, line 19625. (gdb) break xterm.c:17399 Breakpoint 3 at 0x13cb23: file xterm.c, line 18393. (gdb) run Starting program: /dev/shm/e29/src/emacs [Thread debugging using libthread_db enabled] Using host libthread_db library "/usr/lib/libthread_db.so.1". [New Thread 0x7ffff1356640 (LWP 198258)] [New Thread 0x7ffff0ae1640 (LWP 198259)] [New Thread 0x7fffebfff640 (LWP 198260)] [New Thread 0x7fffeb758640 (LWP 198261)] [New Thread 0x7fffeaf57640 (LWP 198262)] [New Thread 0x7fffea756640 (LWP 198263)] Thread 1 "emacs" hit Breakpoint 3, handle_one_xevent (dpyinfo=0x555555e69600, event=0x7fffffffd120, finish=, hold_quit=0x7fffffffd3f0) at xterm.c:18393 18393 if (dpyinfo->supports_xkb (gdb) p xkey.state No symbol "xkey" in current context. (gdb) p dpyinfo->hyper_mod_mask $1 = 1 2. i saw a word "optimized" and found this .configure cmd in folder e29/etc/ : ./configure --enable-checking='yes,glyphs' --enable-check-lisp-object-type \ CFLAGS='-O0 -g3' then rebuild again $ make clean $ ./auto $ ./configure --enable-checking='yes,glyphs' --enable-check-lisp-object-type \ CFLAGS='-O0 -g3' $ make - j 4 run gdb, because there is no gui emacs occur, i have no way to input: $ gdb ./emacs -q Reading symbols from ./emacs... SIGINT is used by the debugger. Are you sure you want to change it? (y or n) [answered Y; input not from terminal] DISPLAY = :0 TERM = rxvt-unicode-256color Breakpoint 1 at 0x212569: file emacs.c, line 412. Breakpoint 2 at 0x1c7e96: file xterm.c, line 19625. (gdb) break xterm.c:17399 Breakpoint 3 at 0x1c52f0: file xterm.c, line 18393. (gdb) run Starting program: /dev/shm/e29/src/emacs [Thread debugging using libthread_db enabled] Using host libthread_db library "/usr/lib/libthread_db.so.1". [New Thread 0x7ffff1355640 (LWP 207348)] [New Thread 0x7ffff0ae0640 (LWP 207349)] [New Thread 0x7fffebfff640 (LWP 207350)] [New Thread 0x7fffeb758640 (LWP 207351)] [New Thread 0x7fffeaf57640 (LWP 207352)] [New Thread 0x7fffea756640 (LWP 207353)] Thread 1 "emacs" hit Breakpoint 3, handle_one_xevent (dpyinfo=0x555556145600, event=0x7fffffffc500, finish=0x555555e908fc , hold_quit=0x7fffffffc830) at xterm.c:18393 18393 if (dpyinfo->supports_xkb (gdb) p xkey.state No symbol "xkey" in current context. (gdb) p dpyinfo->hyper_mod_mask $1 = 1 3. i also try run in 'sudo su', emacs gui appeared, but after this prompt '(gdb)' showed again, the gui window freezed and can not input anymore, then appeared guit window : "EmacsClientOpen" is not responding" . later, the execute cmd result is in below: [root@pc src]# gdb ./emacs -q Reading symbols from ./emacs... SIGINT is used by the debugger. Are you sure you want to change it? (y or n) [answered Y; input not from terminal] DISPLAY = :0 TERM = rxvt-unicode-256color Breakpoint 1 at 0x212569: file emacs.c, line 412. Breakpoint 2 at 0x1c7e96: file xterm.c, line 19625. (gdb) break xterm.c:17399 Breakpoint 3 at 0x1c52f0: file xterm.c, line 18393. (gdb) run Starting program: /dev/shm/e29/src/emacs [Thread debugging using libthread_db enabled] Using host libthread_db library "/usr/lib/libthread_db.so.1". [New Thread 0x7ffff1355640 (LWP 210606)] [New Thread 0x7ffff0a5f640 (LWP 210607)] [Detaching after fork from child process 210608] [Detaching after fork from child process 210609] [New Thread 0x7fffebfff640 (LWP 210610)] [New Thread 0x7fffeb7fe640 (LWP 210611)] [Thread 0x7fffeb7fe640 (LWP 210611) exited] [New Thread 0x7fffeb7fe640 (LWP 210612)] [New Thread 0x7fffeaffd640 (LWP 210613)] [Thread 0x7fffeb7fe640 (LWP 210612) exited] [Thread 0x7fffeaffd640 (LWP 210613) exited] Thread 1 "emacs" hit Breakpoint 3, handle_one_xevent (dpyinfo=0x55555610c980, event=0x7fffffffd710, finish=0x555555e908fc , hold_quit=0x7fffffffda40) at xterm.c:18393 warning: Source file is more recent than executable. 18393 if (dpyinfo->supports_xkb (gdb) p xkey.state No symbol "xkey" in current context. (gdb) p dpyinfo->hyper_mod_mask $1 = 1 Po Lu 於 2022年4月14日 週四 上午12:50寫道： > [Seriously, please use "Reply All", otherwise the bug tracker cannot > record this conversation. Thanks] > > bg.jheng@gmail.com writes: > > 2. because i am not familier gdb, > > i need aide : > > a) this is message wnen i enter gdb /dev/shm/e29/src/emacs -q , > > > > But that probably won't help, since > > GTK native input is usually the first thing to go awry when you start > > messing with modifier mapping. > > > > Can you attach a debugger to Emacs, add a breakpoint to this part of > > xterm.c: > > > > xkey.type = KeyPress; > > xkey.serial = xev->serial; > > xkey.send_event = xev->send_event; > > xkey.display = dpyinfo->display; > > xkey.window = xev->event; > > xkey.root = xev->root; > > xkey.subwindow = xev->child; > > xkey.time = xev->time; > > xkey.state = ((xev->mods.effective & ~(1 << 13 | 1 << 14)) > > | (xev->group.effective << 13)); > > > > ===> xkey.x = lrint (xev->event_x); > > xkey.y = lrint (xev->event_y); > > xkey.x_root = lrint (xev->root_x); > > xkey.y_root = lrint (xev->root_y); > > > > press "Shift-A", and then show the value of `xkey.state'? > > > > This should work for you, assuming you're using a fresh copy of Emacs > > from the master branch: > > > > $ gdb path/to/emacs/binary -Q > > ... > > (gdb) break xterm.c:17399 > > ... the breakpoint is hit after pressing the key > > (gdb) p xkey.state > > > > Also, please show the value of dpyinfo->hyper_mod_mask at that time, > > like this: > > > > (gdb) p dpyinfo->hyper_mod_mask > > > > If the debugger complains about certain values being optimized out, > > rebuild Emacs without optimizations according to the instructions in > > etc/DEBUG. > > > > Po Lu 於 2022年4月13日 週三 上午4:58寫道： > > > > bg.jheng@gmail.com writes: > > > > > 1. xmodmap is outputed: > > > > > > xmodmap: up to 3 keys per modifier, (keycodes in parentheses): > > > > > > shift Shift_L (0x32), Shift_R (0x3e) > > > lock > > > control Control_L (0x25), Control_L (0x42), Control_R (0x69) > > > mod1 Alt_L (0x40), Alt_R (0x6c), Meta_L (0xcd) > > > mod2 Num_Lock (0x4d) > > > mod3 ISO_Last_Group (0x87), Mode_switch (0xcb) > > > mod4 Super_L (0x85), Super_L (0xce), Hyper_L (0xcf) > > > mod5 BadKey (0x5c), ISO_Level3_Shift (0x86) > > > > > > 2-1. i tried these cmd: > > > ./configure --with-xinput2 > > > then > > > make -j 4 > > > > > > after done: > > > emacs -q -xrm 'Emacs.useXIM: false' > > > > > > still the same, if i press Shift+A , minibuffer showed "H-a is > undefined" and no capital letter inputed. > > > > > > 2-2. could you teach me how to tuen on 'x-gtk-use-native-input' ? > > > i have no comprehensive knowlage about linux in now. > > > > Hi, > > > > >> (setq x-gtk-use-native-input t). > > > > as you expect, after excute it still can't input capital letter > with shift key. > > > > >> Can you attach a debugger to Emacs, add a breakpoint to this part of > > xterm.c: > > > > unfortunally, in this step, my base knowlage not enough, > > here is the result: > > 1.git clone https://github.com/emacs-mirror/emacs to > /dev/shm/e29/ > > 2. after ./configure then build, cd ./src > > gdb ./emacs -q > > > > first, a lot message occured, > > i put these text in ~/.config/gdb/gdbinit , after google: > > add-auto-load-safe-path /dev/shm/e29/src/ > > set auto-load safe-path /dev/shm/e29/src/ > > hope it is a right way. > > > > 3. then execute: > > $ gdb ./emacs -q > > Reading symbols from ./emacs... > > SIGINT is used by the debugger. > > Are you sure you want to change it? (y or n) [answered Y; input not from > terminal] > > DISPLAY = :0 > > TERM = rxvt-unicode-256color > > Breakpoint 1 at 0x4ac18: file emacs.c, line 412. > > Breakpoint 2 at 0x129bc0: file xterm.c, line 19625. > > > > (gdb) break xterm.c:17399 > > Breakpoint 3 at 0x13cb23: file xterm.c, line 18393. > > You forgot to enter "run" and then press Shift-A here once the input > focus shifts to the Emacs window. I'm sorry for not mentioning that > earlier. Thanks. >