Re: gdb crashes on current
On Wed, Mar 20, 2024 at 10:02:41PM +, Patrick Welche wrote: > > Just had a go, and "tui enable" doesn't get as far as libcurses > How odd. I tried this on my system which was last updated June 14 last year and both running gdb then doing tui enable or just running gdb -tui Just Works(tm). I have gdb: GNU gdb (GDB) 11.0.50.20200914-git I guess I will have to update and see what happens. > > but "gdb -tui" does: > > Thread 1 "" received signal SIGSEGV, Segmentation faultprefresh (pad=0x0, > pbegy=0, pbegx=0, sbegy=1, sbegx=5, smaxy=0, smaxx=78) > at /usr/src/lib/libcurses/refresh.c:511 > 511 pad->pbegy = pbegy; > (gdb) bt > #0 prefresh (pad=0x0, pbegy=0, pbegx=0, sbegy=1, sbegx=5, smaxy=0, smaxx=78) > at /usr/src/lib/libcurses/refresh.c:511 Pad being NULL is a Bad Thing. That variable should contain a pointer to a WINDOW structure. -- Brett Lymn -- Sent from my NetBSD device. "We are were wolves", "You mean werewolves?", "No we were wolves, now we are something else entirely", "Oh"
Re: gdb crashes on current
On Wed, Mar 20, 2024 at 11:33:30PM +0500, Vitaly Shevtsov wrote: > Hello! > > It seems that gdb from base NetBSD image doesn't work with netbsd's > libcurses in tui mode: > > Program terminated with signal SIGSEGV, Segmentation fault. > #0 0x756547929fba in _lwp_kill () from /usr/lib/libc.so.12 > [Current thread is 1 (process 12621)] > (gdb) bt > #0 0x756547929fba in _lwp_kill () from /usr/lib/libc.so.12 > #1 0x0101ef97 in handle_fatal_signal(int) () > #2 0x0101f152 in handle_sigsegv(int) () > #3 > #4 0x756547e679e1 in prefresh () from /usr/lib/libcurses.so.9 > #5 0x00eec1a0 in tui_source_window_base::refresh_window() () > #6 0x00eedf18 in tui_unhighlight_win(tui_win_info*) () > #7 0x00eec5f8 in > tui_source_window_base::do_erase_source_content(char const*) () > #8 0x00ef60e5 in tui_layout_split::apply(int, int, int, int, bool) () > #9 0x00ef4aa8 in tui_apply_current_layout(bool) () > #10 0x00ef4ddb in tui_set_layout(tui_layout_split*) () > #11 0x00ee4f2f in tui_enable() () > #12 0x00ee5487 in tui_rl_switch_mode(int, int) () > #13 0x01379fa8 in _rl_dispatch_subseq () > #14 0x0137aa27 in _rl_dispatch_callback () > #15 0x0135a1f1 in rl_callback_read_char () > #16 0x0101f40e in gdb_rl_callback_read_char_wrapper_noexcept() () > #17 0x0102020d in gdb_rl_callback_read_char_wrapper(void*) () > #18 0x0101eeb1 in stdin_event_handler(int, void*) () > #19 0x01300eba in gdb_wait_for_event(int) [clone .part.0] () > #20 0x0130155a in gdb_do_one_event(int) () > #21 0x00fa0576 in captured_command_loop() () > #22 0x00fa2113 in gdb_main(captured_main_args*) () > #23 0x013c66fb in main () Just had a go, and "tui enable" doesn't get as far as libcurses (gdb) bt #0 0x7f7ff78dfffa in ?? () #1 0x00222b45 in gdb_rl_callback_handler () at /usr/src/external/gpl3/gdb/lib/libgdb/../../dist/gdb/event-top.c:262 #2 0x00222cfa in std::__shared_count<(__gnu_cxx::_Lock_policy)2>::~__shared_count () at /usr/export/amd64/usr/include/g++/bits/shared_ptr_base.h:1070 #3 std::__shared_ptr, std::allocator >, (__gnu_cxx::_Lock_policy)2>::~__shared_ptr () at /usr/export/amd64/usr/include/g++/bits/shared_ptr_base.h:1524 #4 std::shared_ptr, std::allocator > >::~shared_ptr () at /usr/export/amd64/usr/include/g++/bits/shared_ptr.h:175 #5 gdb_exception::~gdb_exception () at /usr/src/external/gpl3/gdb/lib/libgdb/../../dist/gdbsupport/common-exceptions.h:114 #6 gdb_rl_callback_read_char_wrapper_noexcept () at /usr/src/external/gpl3/gdb/lib/libgdb/../../dist/gdb/event-top.c:212 #7 0x7f7ff78e00b0 in ?? () #8 0x0001000b in ?? () #9 0x in ?? () but "gdb -tui" does: Thread 1 "" received signal SIGSEGV, Segmentation faultprefresh (pad=0x0, pbegy=0, pbegx=0, sbegy=1, sbegx=5, smaxy=0, smaxx=78) at /usr/src/lib/libcurses/refresh.c:511 511 pad->pbegy = pbegy; (gdb) bt #0 prefresh (pad=0x0, pbegy=0, pbegx=0, sbegy=1, sbegx=5, smaxy=0, smaxx=78) at /usr/src/lib/libcurses/refresh.c:511 #1 0x000f60ff in tui_source_window_base::refresh_window () at /usr/src/external/gpl3/gdb/lib/libgdb/../../dist/gdb/tui/tui-winsource.c:267 #2 0x000f7e68 in tui_unhighlight_win () at /usr/src/external/gpl3/gdb/lib/libgdb/../../dist/gdb/tui/tui-wingeneral.c:138 #3 tui_unhighlight_win () at /usr/src/external/gpl3/gdb/lib/libgdb/../../dist/gdb/tui/tui-wingeneral.c:131 #4 0x000f6552 in tui_source_window_base::do_erase_source_content () at /usr/src/external/gpl3/gdb/lib/libgdb/../../dist/gdb/tui/tui-winsource.c:219 #5 0x0010008b in tui_layout_split::apply () at /usr/src/external/gpl3/gdb/lib/libgdb/../../dist/gdb/tui/tui-layout.c:1019 #6 0x000fe927 in tui_apply_current_layout () at /usr/src/external/gpl3/gdb/lib/libgdb/../../dist/gdb/tui/tui-layout.c:81 #7 0x000fec65 in tui_set_layout () at /usr/src/external/gpl3/gdb/lib/libgdb/../../dist/gdb/tui/tui-layout.c:150 #8 0x000f1f2f in tui_enable () at /usr/src/external/gpl3/gdb/lib/libgdb/../../dist/gdb/tui/tui.c:452 #9 0x001c319c in interp_set () at /usr/src/external/gpl3/gdb/lib/libgdb/../../dist/gdb/interps.c:191 #10 0x001a7c55 in captured_main_1 () at /usr/src/external/gpl3/gdb/lib/libgdb/../../dist/gdb/main.c:1145 #11 0x001a8b0f in captured_main () at /usr/src/external/gpl3/gdb/lib/libgdb/../../dist/gdb/main.c:1320 #12 gdb_main () at /usr/src/external/gpl3/gdb/lib/libgdb/../../dist/gdb/main.c:1345 #13 0x005be5cf in main () at /usr/src/external/gpl3/gdb/bin/gdb/../../dist/gdb/gdb.c:32 (gdb) print pad $1 = (WINDOW *) 0x0 (gdb) frame 1 #1 0x000f60ff in tui_source_window_base::refresh_window () at /usr/src/external/gpl3/gdb/lib/libgdb/../../dist/gdb/tui/tui-winsource.c:267 267
Re: gdb crashes on current
On Thu 21 Mar 2024 at 00:29:40 +0500, Vitaly Shevtsov wrote: > Hello! > > It's when you run it with the `-tui` option - text user interface. > Also you can toggle it with C-x C-a or with "tui enable" and "tui disable", too... It can be kind of nice, when it works. -Olaf. -- ___ Olaf 'Rhialto' Seibert \X/ There is no AI. There is just someone else's work. --I. Rose signature.asc Description: PGP signature
Re: gdb crashes on current
cli is the main mode in gdb but it also has a built-in pseudo graphic mode :) On Thu, Mar 21, 2024 at 12:48 AM Justin Parrott wrote: > > The last I checked gdb it was a command line interfaced system. > > On Wed, Mar 20, 2024 at 3:47 PM Vitaly Shevtsov wrote: >> >> Sorry, what do you mean? :) >> It's native pseudo graphic interface >> >> On Thu, Mar 21, 2024 at 12:34 AM Justin Parrott >> wrote: >> > >> > Is that not the Default? >> > >> > On Wed, Mar 20, 2024 at 3:30 PM Vitaly Shevtsov >> > wrote: >> >> >> >> Hello! >> >> >> >> It's when you run it with the `-tui` option - text user interface. >> >> Also you can toggle it with C-x C-a >> >> >> >> https://sourceware.org/gdb/current/onlinedocs/gdb.html/TUI.html >> >> >> >> On Thu, Mar 21, 2024 at 12:21 AM Justin Parrott >> >> wrote: >> >> > >> >> > What is TUI mode? >> >> > >> >> > On Wed, Mar 20, 2024 at 2:34 PM Vitaly Shevtsov >> >> > wrote: >> >> >> >> >> >> Hello! >> >> >> >> >> >> It seems that gdb from base NetBSD image doesn't work with netbsd's >> >> >> libcurses in tui mode: >> >> >> >> >> >> Program terminated with signal SIGSEGV, Segmentation fault. >> >> >> #0 0x756547929fba in _lwp_kill () from /usr/lib/libc.so.12 >> >> >> [Current thread is 1 (process 12621)] >> >> >> (gdb) bt >> >> >> #0 0x756547929fba in _lwp_kill () from /usr/lib/libc.so.12 >> >> >> #1 0x0101ef97 in handle_fatal_signal(int) () >> >> >> #2 0x0101f152 in handle_sigsegv(int) () >> >> >> #3 >> >> >> #4 0x756547e679e1 in prefresh () from /usr/lib/libcurses.so.9 >> >> >> #5 0x00eec1a0 in tui_source_window_base::refresh_window() () >> >> >> #6 0x00eedf18 in tui_unhighlight_win(tui_win_info*) () >> >> >> #7 0x00eec5f8 in >> >> >> tui_source_window_base::do_erase_source_content(char const*) () >> >> >> #8 0x00ef60e5 in tui_layout_split::apply(int, int, int, int, >> >> >> bool) () >> >> >> #9 0x00ef4aa8 in tui_apply_current_layout(bool) () >> >> >> #10 0x00ef4ddb in tui_set_layout(tui_layout_split*) () >> >> >> #11 0x00ee4f2f in tui_enable() () >> >> >> #12 0x00ee5487 in tui_rl_switch_mode(int, int) () >> >> >> #13 0x01379fa8 in _rl_dispatch_subseq () >> >> >> #14 0x0137aa27 in _rl_dispatch_callback () >> >> >> #15 0x0135a1f1 in rl_callback_read_char () >> >> >> #16 0x0101f40e in gdb_rl_callback_read_char_wrapper_noexcept() >> >> >> () >> >> >> #17 0x0102020d in gdb_rl_callback_read_char_wrapper(void*) () >> >> >> #18 0x0101eeb1 in stdin_event_handler(int, void*) () >> >> >> #19 0x01300eba in gdb_wait_for_event(int) [clone .part.0] () >> >> >> #20 0x0130155a in gdb_do_one_event(int) () >> >> >> #21 0x00fa0576 in captured_command_loop() () >> >> >> #22 0x00fa2113 in gdb_main(captured_main_args*) () >> >> >> #23 0x013c66fb in main () >> >> > >> >> > >> >> > >> >> > -- >> >> > Justin Allen Parrott >> >> > The Renegade of Fairfax, Va. >> >> > The Sun of the Mourning >> >> > >> > >> > >> > >> > -- >> > Justin Allen Parrott >> > The Renegade of Fairfax, Va. >> > The Sun of the Mourning >> > > > > > -- > Justin Allen Parrott > The Renegade of Fairfax, Va. > The Sun of the Mourning >
Re: gdb crashes on current
Sorry, what do you mean? :) It's native pseudo graphic interface On Thu, Mar 21, 2024 at 12:34 AM Justin Parrott wrote: > > Is that not the Default? > > On Wed, Mar 20, 2024 at 3:30 PM Vitaly Shevtsov wrote: >> >> Hello! >> >> It's when you run it with the `-tui` option - text user interface. >> Also you can toggle it with C-x C-a >> >> https://sourceware.org/gdb/current/onlinedocs/gdb.html/TUI.html >> >> On Thu, Mar 21, 2024 at 12:21 AM Justin Parrott >> wrote: >> > >> > What is TUI mode? >> > >> > On Wed, Mar 20, 2024 at 2:34 PM Vitaly Shevtsov >> > wrote: >> >> >> >> Hello! >> >> >> >> It seems that gdb from base NetBSD image doesn't work with netbsd's >> >> libcurses in tui mode: >> >> >> >> Program terminated with signal SIGSEGV, Segmentation fault. >> >> #0 0x756547929fba in _lwp_kill () from /usr/lib/libc.so.12 >> >> [Current thread is 1 (process 12621)] >> >> (gdb) bt >> >> #0 0x756547929fba in _lwp_kill () from /usr/lib/libc.so.12 >> >> #1 0x0101ef97 in handle_fatal_signal(int) () >> >> #2 0x0101f152 in handle_sigsegv(int) () >> >> #3 >> >> #4 0x756547e679e1 in prefresh () from /usr/lib/libcurses.so.9 >> >> #5 0x00eec1a0 in tui_source_window_base::refresh_window() () >> >> #6 0x00eedf18 in tui_unhighlight_win(tui_win_info*) () >> >> #7 0x00eec5f8 in >> >> tui_source_window_base::do_erase_source_content(char const*) () >> >> #8 0x00ef60e5 in tui_layout_split::apply(int, int, int, int, >> >> bool) () >> >> #9 0x00ef4aa8 in tui_apply_current_layout(bool) () >> >> #10 0x00ef4ddb in tui_set_layout(tui_layout_split*) () >> >> #11 0x00ee4f2f in tui_enable() () >> >> #12 0x00ee5487 in tui_rl_switch_mode(int, int) () >> >> #13 0x01379fa8 in _rl_dispatch_subseq () >> >> #14 0x0137aa27 in _rl_dispatch_callback () >> >> #15 0x0135a1f1 in rl_callback_read_char () >> >> #16 0x0101f40e in gdb_rl_callback_read_char_wrapper_noexcept() () >> >> #17 0x0102020d in gdb_rl_callback_read_char_wrapper(void*) () >> >> #18 0x0101eeb1 in stdin_event_handler(int, void*) () >> >> #19 0x01300eba in gdb_wait_for_event(int) [clone .part.0] () >> >> #20 0x0130155a in gdb_do_one_event(int) () >> >> #21 0x00fa0576 in captured_command_loop() () >> >> #22 0x00fa2113 in gdb_main(captured_main_args*) () >> >> #23 0x013c66fb in main () >> > >> > >> > >> > -- >> > Justin Allen Parrott >> > The Renegade of Fairfax, Va. >> > The Sun of the Mourning >> > > > > > -- > Justin Allen Parrott > The Renegade of Fairfax, Va. > The Sun of the Mourning >
Re: gdb crashes on current
Hello! It's when you run it with the `-tui` option - text user interface. Also you can toggle it with C-x C-a https://sourceware.org/gdb/current/onlinedocs/gdb.html/TUI.html On Thu, Mar 21, 2024 at 12:21 AM Justin Parrott wrote: > > What is TUI mode? > > On Wed, Mar 20, 2024 at 2:34 PM Vitaly Shevtsov wrote: >> >> Hello! >> >> It seems that gdb from base NetBSD image doesn't work with netbsd's >> libcurses in tui mode: >> >> Program terminated with signal SIGSEGV, Segmentation fault. >> #0 0x756547929fba in _lwp_kill () from /usr/lib/libc.so.12 >> [Current thread is 1 (process 12621)] >> (gdb) bt >> #0 0x756547929fba in _lwp_kill () from /usr/lib/libc.so.12 >> #1 0x0101ef97 in handle_fatal_signal(int) () >> #2 0x0101f152 in handle_sigsegv(int) () >> #3 >> #4 0x756547e679e1 in prefresh () from /usr/lib/libcurses.so.9 >> #5 0x00eec1a0 in tui_source_window_base::refresh_window() () >> #6 0x00eedf18 in tui_unhighlight_win(tui_win_info*) () >> #7 0x00eec5f8 in >> tui_source_window_base::do_erase_source_content(char const*) () >> #8 0x00ef60e5 in tui_layout_split::apply(int, int, int, int, bool) >> () >> #9 0x00ef4aa8 in tui_apply_current_layout(bool) () >> #10 0x00ef4ddb in tui_set_layout(tui_layout_split*) () >> #11 0x00ee4f2f in tui_enable() () >> #12 0x00ee5487 in tui_rl_switch_mode(int, int) () >> #13 0x01379fa8 in _rl_dispatch_subseq () >> #14 0x0137aa27 in _rl_dispatch_callback () >> #15 0x0135a1f1 in rl_callback_read_char () >> #16 0x0101f40e in gdb_rl_callback_read_char_wrapper_noexcept() () >> #17 0x0102020d in gdb_rl_callback_read_char_wrapper(void*) () >> #18 0x0101eeb1 in stdin_event_handler(int, void*) () >> #19 0x01300eba in gdb_wait_for_event(int) [clone .part.0] () >> #20 0x0130155a in gdb_do_one_event(int) () >> #21 0x00fa0576 in captured_command_loop() () >> #22 0x00fa2113 in gdb_main(captured_main_args*) () >> #23 0x013c66fb in main () > > > > -- > Justin Allen Parrott > The Renegade of Fairfax, Va. > The Sun of the Mourning >
gdb crashes on current
Hello! It seems that gdb from base NetBSD image doesn't work with netbsd's libcurses in tui mode: Program terminated with signal SIGSEGV, Segmentation fault. #0 0x756547929fba in _lwp_kill () from /usr/lib/libc.so.12 [Current thread is 1 (process 12621)] (gdb) bt #0 0x756547929fba in _lwp_kill () from /usr/lib/libc.so.12 #1 0x0101ef97 in handle_fatal_signal(int) () #2 0x0101f152 in handle_sigsegv(int) () #3 #4 0x756547e679e1 in prefresh () from /usr/lib/libcurses.so.9 #5 0x00eec1a0 in tui_source_window_base::refresh_window() () #6 0x00eedf18 in tui_unhighlight_win(tui_win_info*) () #7 0x00eec5f8 in tui_source_window_base::do_erase_source_content(char const*) () #8 0x00ef60e5 in tui_layout_split::apply(int, int, int, int, bool) () #9 0x00ef4aa8 in tui_apply_current_layout(bool) () #10 0x00ef4ddb in tui_set_layout(tui_layout_split*) () #11 0x00ee4f2f in tui_enable() () #12 0x00ee5487 in tui_rl_switch_mode(int, int) () #13 0x01379fa8 in _rl_dispatch_subseq () #14 0x0137aa27 in _rl_dispatch_callback () #15 0x0135a1f1 in rl_callback_read_char () #16 0x0101f40e in gdb_rl_callback_read_char_wrapper_noexcept() () #17 0x0102020d in gdb_rl_callback_read_char_wrapper(void*) () #18 0x0101eeb1 in stdin_event_handler(int, void*) () #19 0x01300eba in gdb_wait_for_event(int) [clone .part.0] () #20 0x0130155a in gdb_do_one_event(int) () #21 0x00fa0576 in captured_command_loop() () #22 0x00fa2113 in gdb_main(captured_main_args*) () #23 0x013c66fb in main ()
