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From: Eric Abrahamsen <eric@ericabrahamsen.net>
To: emacs-orgmode@gnu.org
Subject: Re: still seeing semi-regular lockups
Date: Thu, 15 May 2014 18:43:44 +0800	[thread overview]
Message-ID: <874n0rl3tr.fsf@ericabrahamsen.net> (raw)
In-Reply-To: 878uq31g6r.fsf@tanger.home

Daimrod <daimrod@gmail.com> writes:

> Eric Abrahamsen <eric@ericabrahamsen.net> writes:
>
>> Daimrod <daimrod@gmail.com> writes:
>>
>>> Bastien <bzg@gnu.org> writes:
>>>
>>>> Hi Eric,
>>>>
>>>> Eric Abrahamsen <eric@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... :)
>
> No problem, but could you attach gdb during a lockup, source .gdbitinit
> and use the `xbacktrace' command to see if the lockup happens at the
> same place?

Most definitely. Saving the instructions now...

  reply	other threads:[~2014-05-15 10:40 UTC|newest]

Thread overview: 70+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-05-14  8:39 still seeing semi-regular lockups Eric Abrahamsen
2014-05-15  9:21 ` Bastien
2014-05-15  9:30   ` Daimrod
2014-05-15  9:46     ` Bastien
2014-05-15 10:31     ` Eric Abrahamsen
2014-05-15 10:37       ` Daimrod
2014-05-15 10:43         ` Eric Abrahamsen [this message]
2014-05-19 14:21     ` Daimrod
2014-05-20  8:25       ` Eric Abrahamsen
2014-05-20  8:55         ` Daimrod
2014-05-20 11:16           ` Eric Abrahamsen
2014-06-24  8:48             ` Nicolas Goaziou
2014-06-24 14:28               ` Eric Abrahamsen
2014-06-25  4:09                 ` Matt Lundin
2014-06-25  5:39                   ` Matt Lundin
2014-06-25  7:32                   ` Sebastien Vauban
2014-06-27 13:00                     ` Nicolas Goaziou
2014-06-25  7:38                   ` Daimrod
2014-06-25  8:22                     ` Eric Abrahamsen
2014-06-25  8:30                       ` Bastien
2014-06-25  8:40                         ` Eric Abrahamsen
2014-06-25 13:47                     ` Matt Lundin
2014-06-26  2:58                     ` Matt Lundin
2014-06-26  3:00                       ` Matt Lundin
2014-06-27 12:56                       ` Nicolas Goaziou
2014-06-27 13:37                         ` Alan Schmitt
2014-06-27 22:31                           ` Nicolas Goaziou
2014-06-28 19:27                 ` Eric Abrahamsen
2014-06-29  1:39                   ` York Zhao
2014-06-29  2:23                     ` Eric Abrahamsen
2014-06-30  1:15                       ` York Zhao
2014-06-30  1:43                         ` York Zhao
2014-06-30 20:20                           ` Alan Schmitt
2014-07-01  0:43                           ` York Zhao
2014-07-01  7:38                             ` Nicolas Goaziou
2014-07-01 17:14                               ` York Zhao
2014-07-01 21:15                                 ` York Zhao
2014-07-02  8:01                                   ` Nicolas Goaziou
2014-07-03  1:03                                     ` York Zhao
2014-07-06  7:28                                       ` Nicolas Goaziou
2014-07-06 14:40                                         ` York Zhao
2014-07-06 21:05                                           ` York Zhao
2014-07-06 21:31                                             ` Nicolas Goaziou
2014-07-07  0:16                                               ` York Zhao
2014-07-07  5:27                                                 ` Nicolas Goaziou
2014-07-25 14:33                                                   ` Sebastien Vauban
2014-07-07  1:43                                           ` York Zhao
2014-07-07  5:33                                             ` Nicolas Goaziou
2014-07-07 15:10                                               ` York Zhao
2014-07-03 15:31                                 ` York Zhao
2014-07-03 15:55                                   ` York Zhao
2014-07-06  7:19                                   ` Nicolas Goaziou
2014-07-06 14:29                                     ` York Zhao
2014-07-15  2:30                             ` York Zhao
2014-07-19  3:17                               ` Matt Lundin
2014-07-19 14:12                                 ` York Zhao
2014-06-29 13:58                     ` Nicolas Goaziou
2014-05-29  3:01       ` Daimrod
2014-05-30  9:17         ` Nicolas Goaziou
2014-05-30 14:35           ` Daimrod
2014-06-11 11:53             ` Daimrod
2014-06-11 21:30               ` Nicolas Goaziou
2014-06-11 22:18                 ` Daimrod
2014-06-14  7:43                   ` Nicolas Goaziou
2014-06-14 23:55                     ` Daimrod
2014-06-22  7:58                       ` Nicolas Goaziou
2014-06-04  4:47     ` Eric Abrahamsen
2014-06-05  4:29       ` Daimrod
  -- strict thread matches above, loose matches on Subject: below --
2014-05-14 11:06 dieter
2014-05-15  2:29 ` Eric Abrahamsen

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