reopen 434860 0.4.6.1-1
severity 434860 important
thanks

On Fri, 03 Aug 2007, Carl Fürstenberg wrote:
> Vill du fortsätta? [J/n/?] ?
> Kommandon:
> Segmenteringsfel (core dumped)

I confirm that the problem still exists. It's really not 100% reproducible
as I also got rid of it once by doing the same thing than Paul (upgrading
to 0.4.6.1). But with the same version, I get a segfault today:

Reading package lists... Done
Building dependency tree       
Reading state information... Done
Reading extended state information       
Initializing package states... Done
Reading task descriptions... Done  
Building tag database... Done    
[New Thread -1229055088 (LWP 27778)]
The following NEW packages will be automatically installed:
  libglew1.4 python-fpconst 
The following packages will be automatically REMOVED:
  grep-dctrl libglew1 
The following NEW packages will be installed:
  libglew1.4 python-fpconst 
The following packages will be REMOVED:
  grep-dctrl libglew1 
The following packages will be upgraded:
  binutils binutils-dev bluetooth bluez-utils bsdutils console-common cupsys 
cupsys-bsd 
  cupsys-client cupsys-common curl dctrl-tools debianutils doc-linux-text 
dpatch dpkg 
  dpkg-dev ed f-spot gcc-4.2-base gstreamer0.10-alsa gstreamer0.10-gnomevfs 
  gstreamer0.10-plugins-base gstreamer0.10-tools gstreamer0.10-x iceape-browser 
  iceape-gnome-support klibc-utils libbluetooth2 libcairo-perl 
libcompress-zlib-perl 
  libcupsimage2 libcupsys2 libcupsys2-dev libcurl3 libcurl3-gnutls libdb4.4 
libffi4 
  libffi4-dev libgcc1 libglib-perl libgstreamer-plugins-base0.10-0 
libgstreamer0.10-0 
  libieee1284-3 libklibc libnautilus-extension1 libpcre3 libpq-dev libpq5 
libsasl2-2 
  libsasl2-dev libsasl2-modules libstdc++6 libvolume-id0 libwine libwine-alsa 
  libwine-capi libwine-cms libwine-gl libwine-gphoto2 libwine-ldap 
libwine-print 
  libwine-sane lintian mount mozilla-browser mozilla-psm nautilus nautilus-data 
  nfs-common p7zip p7zip-full python-apt python-ctypes python-debian 
  python-gnome2-desktop python-soappy python-sqlobject quilt rss-glx sane 
ttf-dejavu 
  udev util-linux wine wine-bin wine-utils xresprobe xsane xsane-common 
The following packages are RECOMMENDED but will NOT be installed:
  dcraw fam 
90 packages upgraded, 2 newly installed, 2 to remove and 0 not upgraded.
Need to get 7419kB/73.5MB of archives. After unpacking 3784kB will be used.
Do you want to continue? [Y/n/?] ?
Commands:

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread -1212979520 (LWP 27772)]
0x081849e9 in ?? ()
(gdb) thread apply all bt

Thread 2 (Thread -1229055088 (LWP 27778)):
#0  0xb7ee57f2 in ?? () from /lib/ld-linux.so.2
#1  0xb7da8676 in pthread_cond_wait@@GLIBC_2.3.2 () from 
/lib/i686/cmov/libpthread.so.0
#2  0x08227d3c in ?? ()
#3  0x082496cc in ?? ()
#4  0xb7da446b in start_thread () from /lib/i686/cmov/libpthread.so.0
#5  0xb7c0f4ce in clone () from /lib/i686/cmov/libc.so.6

Thread 1 (Thread -1212979520 (LWP 27772)):
#0  0x081849e9 in ?? ()
#1  0x081840ec in ?? ()
#2  0x0813e605 in ?? ()
#3  0x08141d65 in ?? ()
#4  0x08139111 in ?? ()
#5  0x08055adf in ?? ()
#6  0xb7b52040 in __libc_start_main () from /lib/i686/cmov/libc.so.6
#7  0x08052331 in ?? ()

Not terribly helpful... recompiling aptitude with debug info.

Here's the good backtrace:
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread -1211963712 (LWP 4028)]
0x081849d9 in _sequence_fragment::layout (this=0x87b0800, firstw=90, restw=90, 
    [EMAIL PROTECTED]) at fragment.cc:308
308             fragment_contents lines=(*i)->layout(firstw, restw, st);
(gdb) thread apply all bt

Thread 2 (Thread -1228039280 (LWP 4036)):
#0  0xb7fdd7f2 in ?? () from /lib/ld-linux.so.2
#1  0xb7ea0676 in pthread_cond_wait@@GLIBC_2.3.2 () from 
/lib/i686/cmov/libpthread.so.0
#2  0x08227d1c in resolver_manager::background_thread_execution (this=0x87acd68)
    at ../../../src/generic/util/threads.h:454
#3  0x0824966c in 
threads::thread::bootstrap<resolver_manager::background_thread_bootstrap>
    (p=0x8382878) at resolver_manager.cc:232
#4  0xb7e9c46b in start_thread () from /lib/i686/cmov/libpthread.so.0
#5  0xb7d074ce in clone () from /lib/i686/cmov/libc.so.6

Thread 1 (Thread -1211963712 (LWP 4028)):
#0  0x081849d9 in _sequence_fragment::layout (this=0x87b0800, firstw=90, 
restw=90, 
    [EMAIL PROTECTED]) at fragment.cc:308
#1  0x081840dc in _indentbox::layout (this=0x87b09e0, firstw=92, restw=92, 
[EMAIL PROTECTED])
    at fragment.cc:952
#2  0x0813e615 in prompt_help ([EMAIL PROTECTED]) at cmdline_prompt.cc:724
#3  0x08141d75 in cmdline_do_prompt (as_upgrade=true, [EMAIL PROTECTED], 
    [EMAIL PROTECTED], [EMAIL PROTECTED], [EMAIL PROTECTED], 
    showvers=<value optimized out>, showdeps=<value optimized out>, 
    showsize=<value optimized out>, always_prompt=false, verbose=0, 
assume_yes=false, 
    force_no_change=true) at cmdline_prompt.cc:844
#4  0x08139121 in cmdline_do_action (argc=1, argv=0xbfbbb108, status_fname=0x0, 
    simulate=false, assume_yes=false, download_only=false, fix_broken=true, 
    showvers=false, showdeps=false, showsize=false, visual_preview=false, 
    always_prompt=false, queue_only=false, verbose=0) at 
cmdline_do_action.cc:241
#5  0x08055adf in main (argc=1, argv=0xbfbbb104) at main.cc:483
(gdb) 

Cheers,
-- 
Raphaël Hertzog

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