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List:       owfs-developers
Subject:    Re: [Owfs-developers] owhttp segfault
From:       Roberto Spadim <roberto () spadim ! com ! br>
Date:       2011-04-13 5:13:12
Message-ID: BANLkTi=F7v6n9Lid5qqT2yCRD_+VTOs_gg () mail ! gmail ! com
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GDB information:

[root@spadim1 abs]# gdb owhttpd
GNU gdb (GDB) 7.2
Copyright (C) 2010 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 "x86_64-unknown-linux-gnu".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from /usr/bin/owhttpd...(no debugging symbols found)...done.
(gdb) run
Starting program: /usr/bin/owhttpd
[Thread debugging using libthread_db enabled]

Program exited normally.
(gdb) run --help
Starting program: /usr/bin/owhttpd --help
[Thread debugging using libthread_db enabled]
1-WIRE access programs         by Paul H Alfille and others.

Syntax: /usr/bin/owhttpd [options] device clientport

Help resources:
 /usr/bin/owhttpd --help              This page
 /usr/bin/owhttpd --help=device       Bus master device options
 /usr/bin/owhttpd --help=program      Program services (mountpoint, port)
 /usr/bin/owhttpd --help=cache        Cache and communication timing
 /usr/bin/owhttpd --help=job          Job control and debugging
 /usr/bin/owhttpd --help=temperature  Temperature scale and device
format options

 man /usr/bin/owhttpd                 man page for this program
  and man pages for individual 1-wire devices e.g. 'man DS2409'

Copyright 2003-8 GPLv2 by Paul Alfille. See http://www.owfs.org for
support, downloads

Program exited normally.
(gdb) run -d /dev/ttyUSB0 -p 80 --debug
Starting program: /usr/bin/owhttpd -d /dev/ttyUSB0 -p 80 --debug
[Thread debugging using libthread_db enabled]
  DEBUG: ow_avahi_link.c:OW_Load_avahi_library(75) Avahi support:
libavahi-client loaded successfully
  DEBUG: ow_avahi_link.c:OW_Load_avahi_library(77) Avahi library
function found: avahi_client_errno
  DEBUG: ow_avahi_link.c:OW_Load_avahi_library(78) Avahi library
function found: avahi_client_free
  DEBUG: ow_avahi_link.c:OW_Load_avahi_library(79) Avahi library
function found: avahi_client_new
  DEBUG: ow_avahi_link.c:OW_Load_avahi_library(80) Avahi library
function found: avahi_client_get_domain_name
  DEBUG: ow_avahi_link.c:OW_Load_avahi_library(81) Avahi library
function found: avahi_entry_group_add_service
  DEBUG: ow_avahi_link.c:OW_Load_avahi_library(82) Avahi library
function found: avahi_entry_group_commit
  DEBUG: ow_avahi_link.c:OW_Load_avahi_library(83) Avahi library
function found: avahi_entry_group_is_empty
  DEBUG: ow_avahi_link.c:OW_Load_avahi_library(84) Avahi library
function found: avahi_entry_group_new
  DEBUG: ow_avahi_link.c:OW_Load_avahi_library(85) Avahi library
function found: avahi_entry_group_reset
  DEBUG: ow_avahi_link.c:OW_Load_avahi_library(87) Avahi library
function found: avahi_service_resolver_free
  DEBUG: ow_avahi_link.c:OW_Load_avahi_library(88) Avahi library
function found: avahi_service_resolver_new
  DEBUG: ow_avahi_link.c:OW_Load_avahi_library(89) Avahi library
function found: avahi_service_browser_free
  DEBUG: ow_avahi_link.c:OW_Load_avahi_library(90) Avahi library
function found: avahi_service_browser_new
  DEBUG: ow_avahi_link.c:OW_Load_avahi_library(102) Avahi support:
libavahi-common loaded successfully.
  DEBUG: ow_avahi_link.c:OW_Load_avahi_library(104) Avahi library
function found: avahi_simple_poll_free
  DEBUG: ow_avahi_link.c:OW_Load_avahi_library(105) Avahi library
function found: avahi_simple_poll_get
  DEBUG: ow_avahi_link.c:OW_Load_avahi_library(106) Avahi library
function found: avahi_simple_poll_loop
  DEBUG: ow_avahi_link.c:OW_Load_avahi_library(107) Avahi library
function found: avahi_simple_poll_new
  DEBUG: ow_avahi_link.c:OW_Load_avahi_library(108) Avahi library
function found: avahi_simple_poll_quit
  DEBUG: ow_avahi_link.c:OW_Load_avahi_library(109) Avahi library
function found: avahi_strerror
   CALL: ow_parsename.c:FS_ParsedName_anywhere(95) path=[]
  DEBUG: owlib.c:SetupTemperatureLimits(79) Globals temp limits 0C
100C (for simulated adapters)
  DEBUG: ow_ds9097U.c:DS2480_initialize_repeatedly(265) Attempt #0 to
initialize the DS9097U
  DEBUG: ow_ds9097U.c:DS2480_big_reset_serial(354) Send the initial
reset to the bus master.
  DEBUG: ow_tcp_read.c:tcp_read(64) attempt 1 bytes Time: 5.000000 seconds
  DEBUG: ow_tcp_read.c:tcp_read(114) read: 1 - 0 = 1
  DEBUG: ow_tcp_read.c:tcp_read(64) attempt 1 bytes Time: 5.000000 seconds
  DEBUG: ow_tcp_read.c:tcp_read(114) read: 1 - 0 = 1
  DEBUG: ow_tcp_read.c:tcp_read(64) attempt 1 bytes Time: 5.000000 seconds
  DEBUG: ow_tcp_read.c:tcp_read(114) read: 1 - 0 = 1
  DEBUG: ow_tcp_read.c:tcp_read(64) attempt 1 bytes Time: 5.000000 seconds
  DEBUG: ow_tcp_read.c:tcp_read(114) read: 1 - 0 = 1
  DEBUG: ow_tcp_read.c:tcp_read(64) attempt 1 bytes Time: 5.000000 seconds
  DEBUG: ow_tcp_read.c:tcp_read(114) read: 1 - 0 = 1
  DEBUG: ow_tcp_read.c:tcp_read(64) attempt 1 bytes Time: 5.000000 seconds
  DEBUG: ow_tcp_read.c:tcp_read(114) read: 1 - 0 = 1
  DEBUG: ow_tcp_read.c:tcp_read(64) attempt 1 bytes Time: 5.000000 seconds
  DEBUG: ow_tcp_read.c:tcp_read(114) read: 1 - 0 = 1
  DEBUG: ow_tcp_read.c:tcp_read(64) attempt 1 bytes Time: 5.000000 seconds
  DEBUG: ow_tcp_read.c:tcp_read(114) read: 1 - 0 = 1
  DEBUG: ow_tcp_read.c:tcp_read(64) attempt 1 bytes Time: 5.000000 seconds
  DEBUG: ow_tcp_read.c:tcp_read(114) read: 1 - 0 = 1
  DEBUG: ow_tcp_read.c:tcp_read(64) attempt 1 bytes Time: 5.000000 seconds
  DEBUG: ow_tcp_read.c:tcp_read(114) read: 1 - 0 = 1
[New Thread 0x7ffff6076700 (LWP 18519)]

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7ffff6076700 (LWP 18519)]
0x0000000000608420 in avahi_client_free ()


(gdb) quit
A debugging session is active.

        Inferior 1 [process 18406] will be killed.

Quit anyway? (y or n) y



dmesg:
owhttpd[1335]: segfault at 608420 ip 0000000000608420 sp
00007fe3935cfe28 error 15

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