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bug#13546: 24.2.92; Error(s) when sending emails


From: Sebastien Vauban
Subject: bug#13546: 24.2.92; Error(s) when sending emails
Date: Tue, 12 Feb 2013 13:43:53 +0100
User-agent: Gnus/5.130006 (Ma Gnus v0.6) Emacs/24.2.91 (windows-nt)

Eli,

Eli Zaretskii wrote:
>> From: "Sebastien Vauban" <address@hidden>
>> Date: Fri, 25 Jan 2013 17:03:30 +0100
>> 
>> > What I'd like is for you to step with a debugger through the affected
>> > code and see what is going on there.
>> > But since your cannot reproduce this at will, it doesn't seem to be
>> > possible...
>> 
>> But I'm sure it will come back[1], and that will happen, can you tell me
>> what I should type in the GDB window?
>
> OK. So please attach GDB to Emacs _before_ the problem happens, and set a
> breakpoint like this:
>
>   (gdb) break fileio.c:4913
>   (gdb) continue
>
> The breakpoint will be on this line in fileio.c:
>
>   if (! ok)
>     error ("IO error writing %s: %s", SDATA (filename),  <<<<<<<<<
>            emacs_strerror (save_errno));
>
> Then do whatever it takes to reproduce the problem.  When it happens
> again, this breakpoint should break.

I did attach to Emacs when problems began with Helm.

--8<---------------cut here---------------start------------->8---
$ gdb emacs.exe -p 21312
GNU gdb (GDB) 7.5.50.20120815-cvs (cygwin-special)
Copyright (C) 2012 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "i686-cygwin".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from /cygdrive/c/Program Files 
(x86)/emacs-24.2.93/bin/emacs.exe...done.
Attaching to program `/cygdrive/c/Program Files 
(x86)/emacs-24.2.93/bin/emacs.exe', process 21312
[New Thread 21312.0x66d4]
[New Thread 21312.0xdb8]
[New Thread 21312.0x4dc]
[New Thread 21312.0x65a0]
[New Thread 21312.0x18f4]
(gdb) break fileio.c:4913
Breakpoint 1 at 0x106380e: file fileio.c, line 4913.
(gdb) continue
Continuing.
[New Thread 21312.0x6b24]
[New Thread 21312.0x1b0c]
warning: sys_read called when read is in progress
warning: reader_thread.SetEvent failed with 6 for fd 3
[New Thread 21312.0x30a4]
warning: sys_read called when read is in progress
warning: reader_thread.SetEvent failed with 6 for fd 3
[New Thread 21312.0x469c]
[New Thread 21312.0x42c0]
warning: reader_thread.SetEvent failed with 6 for fd 3
[New Thread 21312.0x5050]
[New Thread 21312.0x1014]
warning: sys_read called when read is in progress
[New Thread 21312.0x1790]
--8<---------------cut here---------------end--------------->8---

Did I attach too late?  Is the above giving some information already?

Best regards,
  Seb

-- 
Sebastien Vauban





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