Daimrod <daim...@gmail.com> writes: > Bastien <b...@gnu.org> writes: > >> Hi Eric, >> >> Eric Abrahamsen <e...@ericabrahamsen.net> writes: >> >>> After Nicolas made the last round of improvements to the caching >>> mechanism I got far fewer hangs with Org, but they are still happening. >>> Maybe once a day or so, on average, editing something in an Org buffer >>> causes emacs to hang, and my fans to spin up, and there we are until I >>> kill emacs.
[...] > I have also semi-regular lockup with org-mode. I have opened a bug on > debbugs and here is what Stefan told me to try to debug this: > >> You can try `debug-on-event'. >> >> There's jit-lock-debug-mode but it doesn't disable inhibit-quit. >> So you'll need to additionally use >> >> (advice-add 'jit-lock--debug-fontify :around >> (lambda (fun &rest args) >> (with-local-quit (apply fun args)))) >> >> Of course sometimes this doesn't work because jit-lock-debug-mode >> changes the way things are executed and the bug may not manifest itself >> any more, but it's worth a try. >> >> Another source of info is to >> >> M-x trace-function RET org-adaptive-fill-function RET >> M-x trace-function RET org-element-at-point RET >> M-x trace-function RET org-element--cache-sync RET >> M-x trace-function RET org-element--cache-process-request RET >> >> Then reproduce the hang, then break the hang somehow (maybe with the >> jit-lock-debug hack above, or maybe with debug-on-event, or with C-g C-g >> C-g, ...), then look at the *trace..* buffer. > > I'll try to see what I can find this week end and report back. > > By the way, if you want to see in which part the infloop occurs, you can > attach a gdb debugger to the running emacs, source the > <path-to-emacs-source>/src/.gdbinit file and use the `xbacktrace' command. > > $ gdb <path-to-emacs-executable> <emacs-pid> > gdb) source <path-to-emacs-source>/src/.gdbinit > ... > gdb) xbacktrace > > You can also use the `bt' command but it contains much more noise. Thanks! This is the sort of thing I assumed I'd have to do, and it's good to have an actual recipe. If you're on it, I might take the lazy option and spectate for now... :)
