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Re: 23.0.50; Emacs seg fault
From: |
Leo |
Subject: |
Re: 23.0.50; Emacs seg fault |
Date: |
Sun, 30 Sep 2007 16:44:41 +0100 |
User-agent: |
Gnus/5.110007 Emacs/23.0.50 (20070922) Fedora 7 (gnu/linux) |
On 2007-09-30 11:49 +0100, Kim F. Storm wrote:
> Leo <address@hidden> writes:
>
>> #1 0x08194676 in wait_reading_process_output (time_limit=30, microsecs=0,
>> read_kbd=-1, do_display=1, wait_for_cell=137551137,
>> wait_proc=0x0, just_wait_proc=0) at process.c:4880
>
> I doubt that is the right line number due to compiler optimizations.
> Compile with CFLAGS="-g -O0" to get max debugging info.
I will get an output with better debugging info. However I can't do that
until after 8 Oct.
> Since xerrno = 9 (EBADF), I suspect it actually traps in process.c
> line 4651
>
> This means that one of the bits in the Available mask does not
> correspond to a valid file descriptor.
>
> Looking at the code, I see that this piece of code is executed
> between setting up the Available mask and the call to select.
>
> /* If frame size has changed or the window is newly mapped,
> redisplay now, before we start to wait. There is a race
> condition here; if a SIGIO arrives between now and the select
> and indicates that a frame is trashed, the select may block
> displaying a trashed screen. */
> if (frame_garbaged && do_display)
> {
> clear_waiting_for_input ();
> redisplay_preserve_echo_area (11);
> if (read_kbd < 0)
> set_waiting_for_input (&timeout);
> }
>
> This looks dangerous to me.
>
> Could you try this patch and see if it fixes the problem:
[...]
It didn't fix the problem.
--
.: Leo :. [ sdl.web AT gmail.com ] .: [ GPG Key: 9283AA3F ] :.
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