Your message dated Wed, 18 May 2011 13:13:54 +0200
with message-id <5375a05ccc391d88d6f8acb4c1047...@chewa.net>
and subject line (pas de sujet)
has caused the Debian Bug report #453076,
regarding vlc: dies with "corrupted double-linked list" when scanning SAP 
sources
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

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-- 
453076: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=453076
Debian Bug Tracking System
Contact ow...@bugs.debian.org with problems
--- Begin Message ---
Package: vlc
Version: 0.8.6-svn20061012.debian-5etch1
Severity: normal

*** Please type your report below this line ***

This system is running pure etch, with no backports.

$ strace -o /tmp/vlc.strace vlc

   View->Playlist
      Manage->Services Discovery ->Manage Playlists->SAP Announcements

The application updates the count of sources in the lower left of the
Playlist window, and icons start appearing. But then the application
crashes, with the on-screen error message

** (.:22406): CRITICAL **: gtk_pizza_set_size: assertion `pizza != NULL' failed
*** glibc detected *** free(): invalid next size (normal): 0x08373888 ***


in the strace, I see this:
$ tail /tmp/vlc.strace
gettimeofday({1196138552, 947365}, NULL) = 0
poll([{fd=4, events=POLLIN, revents=POLLIN}, {fd=6, events=POLLIN}], 2, 100) = 1
read(4, "A", 1)                         = 1
gettimeofday({1196138553, 13120}, NULL) = 0
open("/dev/tty", O_RDWR|O_NONBLOCK|O_NOCTTY) = 23
writev(23, [{"*** glibc detected *** ", 23}, {"corrupted double-linked list", 28}, {": 0x", 4}, 
{"0839cbf8", 8}, {" ***\n", 5}], 5) = 68
rt_sigprocmask(SIG_UNBLOCK, [ABRT], NULL, 8) = 0
tgkill(21006, 21006, SIGABRT)           = 0
--- SIGABRT (Aborted) @ 0 (0) ---
+++ killed by SIGABRT +++



I tried the G_SLICE trick mentioned in one of the other bugs
It appears this allowed the list compilation to get farther but it dies
in a similar fashion.

$ G_SLICE=always-malloc strace -o /tmp/vlc.strace.2  vlc

** (.:22518): CRITICAL **: gtk_pizza_set_size: assertion `pizza != NULL' failed

** (.:22518): CRITICAL **: gtk_pizza_set_size: assertion `pizza != NULL' failed
*** glibc detected *** free(): invalid next size (fast): 0x08364548 ***

The strace is slightly different though:
$ tail /tmp/vlc.strace.2
gettimeofday({1196147051, 460409}, NULL) = 0
poll([{fd=4, events=POLLIN, revents=POLLIN}, {fd=6, events=POLLIN}], 2, 99) = 1
read(4, "A", 1)                         = 1
gettimeofday({1196147051, 533148}, NULL) = 0
open("/dev/tty", O_RDWR|O_NONBLOCK|O_NOCTTY) = 23
writev(23, [{"*** glibc detected *** ", 23}, {"free(): invalid next size (fast)", 32}, {": 0x", 4}, 
{"08364548", 8}, {" ***\n", 5}], 5) = 72
rt_sigprocmask(SIG_UNBLOCK, [ABRT], NULL, 8) = 0
tgkill(22518, 22518, SIGABRT)           = 0
--- SIGABRT (Aborted) @ 0 (0) ---
+++ killed by SIGABRT +++


One more attempt with -v yeilded another wrinkle

   $ strace -o /tmp/vlc.strace.3 vlc -v
   VLC media player 0.8.6a Janus

   ** (.:22661): CRITICAL **: gtk_pizza_set_size: assertion `pizza != NULL' 
failed

   ** (.:22661): CRITICAL **: gtk_pizza_set_size: assertion `pizza != NULL' 
failed
   [00000288] sap private warning: too short SAP packet

   [00000288] sap private warning: too short SAP packet

   [00000288] sap private warning: too short SAP packet

   [00000288] sap private warning: too short SAP packet

   [00000288] sap private warning: too short SAP packet

   *** glibc detected *** free(): invalid next size (normal): 0x08365758 ***

The messages about "gtk_pizza" are sent to the tty well before the failure.
   $ tail /tmp/vlc.strace.3
   write(6, "8\30\5\0\207\1 \4\4\0\10\0\0\0\0\0\0\0\0\0008\0\4\0\210"..., 68) = 
68
   ioctl(6, FIONREAD, [0])                 = 0
   gettimeofday({1196147728, 621895}, NULL) = 0
   poll([{fd=4, events=POLLIN}, {fd=6, events=POLLIN}], 2, 0) = 0
   open("/dev/tty", O_RDWR|O_NONBLOCK|O_NOCTTY) = 23
   writev(23, [{"*** glibc detected *** ", 23}, {"free(): invalid next size (norma"..., 34}, {": 
0x", 4}, {"08365758", 8}, {" ***\n", 5}], 5) = 74
   rt_sigprocmask(SIG_UNBLOCK, [ABRT], NULL, 8) = 0
   tgkill(22661, 22661, SIGABRT)           = 0
   --- SIGABRT (Aborted) @ 0 (0) ---
   +++ killed by SIGABRT +++


On the second attempt
   $ strace -o /tmp/vlc.strace.4 vlc -v

   VLC media player 0.8.6a Janus

   ** (.:22675): CRITICAL **: gtk_pizza_set_size: assertion `pizza != NULL' 
failed

   ** (.:22675): CRITICAL **: gtk_pizza_set_size: assertion `pizza != NULL' 
failed
   [00000288] sap private warning: too short SAP packet

   [00000288] sap private warning: too short SAP packet

   [00000288] sap private warning: too short SAP packet

   [00000288] sap private warning: too short SAP packet

   [00000288] sap private warning: too short SAP packet

   [00000288] sap private warning: too short SAP packet

   [00000288] sap private warning: too short SAP packet

   [00000288] sap private warning: too short SAP packet


   signal 2 received, terminating vlc - do it again in case it gets stuck
   user insisted too much, dying badly

The application wedged itself and required multiple ^c's to kill it.

   $ tail -20 /tmp/vlc.strace.4
   time(NULL)                              = 1196147792
   write(2, "signal 2 received, terminating v"..., 71) = 71
   sigreturn()                             = ? (mask now [])
   futex(0xb7d374c0, FUTEX_WAIT, 2, NULL)  = -1 EINTR (Interrupted system call)
   --- SIGINT (Interrupt) @ 0 (0) ---
   time(NULL)                              = 1196147794
   sigreturn()                             = ? (mask now [])
   futex(0xb7d374c0, FUTEX_WAIT, 2, NULL)  = -1 EINTR (Interrupted system call)
   --- SIGINT (Interrupt) @ 0 (0) ---
   time(NULL)                              = 1196147798
   rt_sigaction(SIGINT, {SIG_DFL}, {0x8048950, [INT], SA_RESTART}, 8) = 0
   rt_sigaction(SIGHUP, {SIG_DFL}, {0x8048950, [HUP], SA_RESTART}, 8) = 0
   rt_sigaction(SIGQUIT, {SIG_DFL}, {0x8048950, [QUIT], SA_RESTART}, 8) = 0
   rt_sigaction(SIGALRM, {SIG_DFL}, {SIG_IGN}, 8) = 0
   rt_sigaction(SIGPIPE, {SIG_DFL}, {SIG_IGN}, 8) = 0
   write(2, "user insisted too much, dying ba"..., 36) = 36
   rt_sigprocmask(SIG_UNBLOCK, [ABRT], NULL, 8) = 0
   tgkill(22675, 22675, SIGABRT)           = 0
   --- SIGABRT (Aborted) @ 0 (0) ---
   +++ killed by SIGABRT +++



This might be related to bug 444300, I'm not sure.

I have kept the straces and xorg.conf, let me know if you need to see them.

Cheers
Vince


-- System Information:
Debian Release: 4.0
   APT prefers stable
   APT policy: (500, 'stable')
Architecture: i386 (i686)
Shell:  /bin/sh linked to /bin/bash
Kernel: Linux 2.6.18-4-686
Locale: LANG=en_AU.UTF-8, LC_CTYPE=en_AU.UTF-8 (charmap=UTF-8)

Versions of packages vlc depends on:
ii  libaa1   1.4p5-30                        ascii art library
ii  libatk1. 1.12.4-3                        The ATK accessibility toolkit
ii  libc6    2.3.6.ds1-13etch2               GNU C Library: Shared libraries
ii  libcaca0 0.99.beta11.debian-2            colour ASCII art library
ii  libcairo 1.2.4-4                         The Cairo 2D vector graphics libra
ii  libcdio6 0.76-1                          library to read and control CD-ROM
ii  libcucul 0.99.beta11.debian-2            low-level Unicode character drawin
ii  libdbus- 1.0.2-1                         simple interprocess messaging syst
ii  libdbus- 0.71-3                          simple interprocess messaging syst
ii  libfontc 2.4.2-1.2                       generic font configuration library
ii  libfreet 2.2.1-5+etch1                   FreeType 2 font engine, shared lib
ii  libfribi 0.10.7-4                        Free Implementation of the Unicode
ii  libgcc1  1:4.1.1-21                      GCC support library
ii  libgl1-m 6.5.1-0.6                       A free implementation of the OpenG
ii  libglib2 2.12.4-2                        The GLib library of C routines
ii  libglu1- 6.5.1-0.6                       The OpenGL utility library (GLU)
ii libgtk2. 2.8.20-7 The GTK+ graphical user interface ii libice6 1:1.0.1-2 X11 Inter-Client Exchange library
ii  libiso96 0.76-1                          library to work with ISO9660 files
ii libjpeg6 6b-13 The Independent JPEG Group's JPEG ii libnotif 0.4.3-1 sends desktop notifications to a n
ii  libpango 1.14.8-5                        Layout and rendering of internatio
ii  libpng12 1.2.15~beta5-1                  PNG library - runtime
ii  libsdl-i 1.2.5-2+b1                      image loading library for Simple D
ii  libsdl1. 1.2.11-8                        Simple DirectMedia Layer
ii  libsm6   1:1.0.1-3                       X11 Session Management library
ii  libstdc+ 4.1.1-21                        The GNU Standard C++ Library v3
ii  libtar   1.2.11-4                        C library for manipulating tar arc
ii  libtiff4 3.8.2-7                         Tag Image File Format (TIFF) libra
ii  libvcdin 0.7.23-3                        library to extract information fro
ii  libvlc0  0.8.6-svn20061012.debian-5etch1 multimedia player and streamer lib
ii  libwxbas 2.6.3.2.1.5                     wxBase library (runtime) - non-GUI
ii  libwxgtk 2.6.3.2.1.5                     wxWidgets Cross-platform C++ GUI t
ii  libx11-6 2:1.0.3-7                       X11 client-side library
ii  libxcurs 1.1.7-4                         X cursor management library
ii  libxext6 1:1.0.1-2                       X11 miscellaneous extension librar
ii  libxfixe 1:4.0.1-5                       X11 miscellaneous 'fixes' extensio
ii  libxi6   1:1.0.1-4                       X11 Input extension library
ii  libxiner 1:1.0.1-4.1                     X11 Xinerama extension library
ii  libxosd2 2.2.14-1.3                      X On-Screen Display library - runt
ii  libxrand 2:1.1.0.2-5                     X11 RandR extension library
ii  libxrend 1:0.9.1-3                       X Rendering Extension client libra
ii  libxv1   1:1.0.2-1                       X11 Video extension library
ii  libxxf86 1:1.0.1-2                       X11 XFree86 video mode extension l
ii  ttf-deja 2.15-1                          Vera font family derivate with add
ii  vlc-nox  0.8.6-svn20061012.debian-5etch1 multimedia player and streamer (wi
ii  zlib1g   1:1.2.3-13                      compression library - runtime

Versions of packages vlc recommends:
pn  videolan-doc                  <none>     (no description available)

-- no debconf information



--- End Message ---
--- Begin Message ---
   Hello,

I am unable to reproduce your problem and I assume it was already fixed in
VLC 0.9-1.1.
Please retry with a more recent VLC version. If it still occurs, please
provide the output from valgrind and reopen.

Best regards,

-- 
RĂ©mi Denis-Courmont
http://www.remlab.net/


--- End Message ---
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