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

From: "Sebastien Vauban" <[email-masked]>
Date: Tue, 12 Feb 2013 18:52:03 +0100

Eli,

"Sebastien Vauban" wrote:
> "Sebastien Vauban" wrote:
>> Eli Zaretskii wrote:
>>> To catch this message:
>>>
>>>   warning: sys_read called when read is in progress
>>>
>>> please put an additional breakpoint on line 6410 of w32.c
>
> I went fast for the 2nd breakpoint: just launching Gnus already gives me 2
> occurrences of them:
>
> Reading symbols from /cygdrive/c/Program Files (x86)/emacs-24.2.93/bin/emacs.exe...done.
> (gdb) break fileio.c:4913
> Breakpoint 1 at 0x106380e: file fileio.c, line 4913.
> (gdb) break w32.c:6410
> Breakpoint 2 at 0x108fca5: file w32.c, line 6410.
> (gdb) continue
> Continuing.
> [New Thread 15276.0x3b20]
> [New Thread 15276.0x39a8]
> [New Thread 15276.0x5524]
> [New Thread 15276.0x4948]
> [New Thread 15276.0x6258]
> [New Thread 15276.0x614c]
> [New Thread 15276.0x1c1c]
> [Switching to Thread 15276.0x6ea0]
>
> Breakpoint 2, sys_read (fd=3, buffer=0x5a28034 "", count=5) at w32.c:6410
> (gdb) 6410      w32.c: No such file or directory.
> p fd_info[fd]
> $1 = {flags = 1555, hnd = 0x30c, cp = 0x1680c60}
> (gdb) p fd
> $2 = 3
> (gdb) p *cp
> $3 = {fd = 3, pid = -1, char_avail = 0x314, char_consumed = 0x318, thrd = 0x31c, hwnd = 0x0,
>   procinfo = {hProcess = 0x0, hThread = 0x0, dwProcessId = 0, dwThreadId = 0}, status = 1,
>   chr = 22 '\026', ovl_read = {Internal = 0, InternalHigh = 0, {{Offset = 0, OffsetHigh = 0},
>       Pointer = 0x0}, hEvent = 0x0}, ovl_write = {Internal = 0, InternalHigh = 0, {{Offset = 0,
>         OffsetHigh = 0}, Pointer = 0x0}, hEvent = 0x0}}
> (gdb) continue
> Continuing.
> warning: sys_read called when read is in progress
> [New Thread 15276.0x1f58]
> [New Thread 15276.0x2844]
> [New Thread 15276.0x6d70]
> [New Thread 15276.0x5ccc]
>
> Breakpoint 2, sys_read (fd=5, buffer=0x5ae0034 "", count=5) at w32.c:6410
> 6410    in w32.c
> (gdb) p fd_info[fd]
> $4 = {flags = 1555, hnd = 0x344, cp = 0x1680d10}
> (gdb) p fd
> $5 = 5
> (gdb) p *cp
> $6 = {fd = 5, pid = -1, char_avail = 0x358, char_consumed = 0x354, thrd = 0x350, hwnd = 0x0,
>   procinfo = {hProcess = 0x0, hThread = 0x0, dwProcessId = 0, dwThreadId = 0}, status = 1,
>   chr = 22 '\026', ovl_read = {Internal = 0, InternalHigh = 0, {{Offset = 0, OffsetHigh = 0},
>       Pointer = 0x0}, hEvent = 0x0}, ovl_write = {Internal = 0, InternalHigh = 0, {{Offset = 0,
>         OffsetHigh = 0}, Pointer = 0x0}, hEvent = 0x0}}
> (gdb) continue
> Continuing.
> warning: sys_read called when read is in progress
> [New Thread 15276.0x2eb8]

And, when sending the email:

--8<---------------cut here---------------start------------->8---
[New Thread 15276.0x6e9c]
[New Thread 15276.0x4890]
[New Thread 15276.0x1878]
[New Thread 15276.0x53bc]
[New Thread 15276.0x5f00]
[New Thread 15276.0x1ce4]
[New Thread 15276.0x3b90]
[New Thread 15276.0x12dc]
[New Thread 15276.0x1948]

[New Thread 15276.0x3b54]
[New Thread 15276.0x41a4]

Breakpoint 2, sys_read (fd=6, buffer=0x639a034 "", count=5) at w32.c:6410
6410    in w32.c
(gdb)
Continuing.
warning: sys_read called when read is in progress
warning: reader_thread.SetEvent failed with 6 for fd 6
[New Thread 15276.0x2c3c]
--8<---------------cut here---------------end--------------->8---

Others not trapped?

Best regards,
  Seb

-- 
Sebastien Vauban