Bug#665832: gnuplot: Crashes with "Segmentation fault" on every command

[Anton Gladky]

The same situation on virtual machine:

-- System Information:
Debian Release: wheezy/sid
  APT prefers unstable
  APT policy: (500, 'unstable'), (1, 'experimental')
Architecture: amd64 (x86_64)

Kernel: Linux 3.2.0-2-amd64 (SMP w/1 CPU core)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash


Anton



Am 29. März 2012 19:04 schrieb Anton Gladky :
> On 03/29/2012 01:58 PM, Agustin Martin wrote:
>> ...
>>
>> Anton, which are the details of the i386 system where you reproduced
>> the bug (system info section of reportbug --template -b gnuplot)?
>
> reportbug --template -b gnuplot
> ...
> ...
> -- System Information:
> Debian Release: wheezy/sid
>  APT prefers unstable
>  APT policy: (500, 'unstable')
> Architecture: i386 (i686)
>
> Kernel: Linux 3.2.0-1-486
> Locale: LANG=en_US.utf8, LC_CTYPE=en_US.utf8 (charmap=UTF-8)
> Shell: /bin/sh linked to /bin/dash
>
> Versions of packages gnuplot depends on:
> ii  gnuplot-nox  4.6.0-1
> ii  gnuplot-x11  4.6.0-1
>
> gnuplot recommends no packages.
>
> Versions of packages gnuplot suggests:
> ii  gnuplot-doc  4.6.0-1
>
> -- no debconf information
>



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Bug#665832: gnuplot: Crashes with "Segmentation fault" on every command

[Anton Gladky]

On 03/29/2012 01:58 PM, Agustin Martin wrote:
> ...
> 
> Anton, which are the details of the i386 system where you reproduced
> the bug (system info section of reportbug --template -b gnuplot)?

reportbug --template -b gnuplot
...
...
-- System Information:
Debian Release: wheezy/sid
  APT prefers unstable
  APT policy: (500, 'unstable')
Architecture: i386 (i686)

Kernel: Linux 3.2.0-1-486
Locale: LANG=en_US.utf8, LC_CTYPE=en_US.utf8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

Versions of packages gnuplot depends on:
ii  gnuplot-nox  4.6.0-1
ii  gnuplot-x11  4.6.0-1

gnuplot recommends no packages.

Versions of packages gnuplot suggests:
ii  gnuplot-doc  4.6.0-1

-- no debconf information




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Bug#665832: gnuplot: Crashes with "Segmentation fault" on every command

[Vincent Lefevre]

On 2012-03-29 02:26:00 +0200, Vincent Lefevre wrote:
> ay:~> gnuplot
> 
> G N U P L O T
> Version 4.6 patchlevel 0last modified 2012-03-04 
> Build System: Linux ppc
> 
> Copyright (C) 1986-1993, 1998, 2004, 2007-2012
> Thomas Williams, Colin Kelley and many others
> 
> gnuplot home: http://www.gnuplot.info
> faq, bugs, etc:   type "help FAQ"
> immediate help:   type "help"  (plot window: hit 'h')
> 
> Terminal type set to 'wxt'
> gnuplot> help
> zsh: segmentation fault (core dumped)  gnuplot

But when run inside gdb, it does not crash!

There must be something different, because in gdb, I don't get the
information before the prompt.

-- 
Vincent Lefèvre  - Web: 
100% accessible validated (X)HTML - Blog: 
Work: CR INRIA - computer arithmetic / AriC project (LIP, ENS-Lyon)



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Bug#665832: gnuplot: Crashes with "Segmentation fault" on every command

[Vincent Lefevre]

On 2012-03-29 13:58:26 +0200, Agustin Martin wrote:
> Anton, which are the details of the i386 system where you reproduced
> the bug (system info section of reportbug --template -b gnuplot)?
> Ditto for Vincent ppc box.

-- System Information:
Debian Release: wheezy/sid
  APT prefers testing
  APT policy: (900, 'testing'), (900, 'stable'), (200, 'unstable')
Architecture: powerpc (ppc)

Kernel: Linux 2.6.26-1-powerpc
Locale: LANG=POSIX, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash

Versions of packages gnuplot depends on:
ii  gnuplot-nox  4.6.0-1
ii  gnuplot-x11  4.6.0-1

gnuplot recommends no packages.

Versions of packages gnuplot suggests:
pn  gnuplot-doc  

And concerning the dependencies of gnuplot-nox (which has the same
problem):

Versions of packages gnuplot-nox depends on:
ii  libc6  2.13-27
ii  libcairo2  1.10.2-6.2
ii  libedit2   2.11-20080614-3
ii  libgcc11:4.6.3-1
ii  libgd2-xpm 2.0.36~rc1~dfsg-6
ii  libglib2.0-0   2.30.2-6
ii  liblua5.1-05.1.4-12
ii  libpango1.0-0  1.29.4-2

Versions of packages gnuplot-nox recommends:
ii  fonts-liberation [ttf-liberation]  1.07.2-1
ii  groff  1.21-6
ii  ttf-liberation 1.07.2-1

-- 
Vincent Lefèvre  - Web: 
100% accessible validated (X)HTML - Blog: 
Work: CR INRIA - computer arithmetic / AriC project (LIP, ENS-Lyon)



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Bug#665832: gnuplot: Crashes with "Segmentation fault" on every command

[Agustin Martin]

I wrote:

> > Architecture: i386 (x86_64)

> I see you use x86_64 (should it say amd64 instead of i386?).

Just noticed that this means i386 on amd64 kernel. No problem with above line.

Random behavior of this bug is highly puzzling, currently I can just
think about getting more info in case something becomes evident with
it.

Anton, which are the details of the i386 system where you reproduced
the bug (system info section of reportbug --template -b gnuplot)?
Ditto for Vincent ppc box.

For the records, I also built gnuplot 4.6 in a pbuilder squeeze chroot
and tested it under squeeze/stable. No general segfault, just the same
problem reported by Vincent in #665432. Tested both with 686 and amd64
kernels.

-- 
Agustin



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Bug#665832: gnuplot: Crashes with "Segmentation fault" on every command

[Vincent Lefevre]

On 2012-03-26 20:43:48 +0200, Anton Gladky wrote:
> I confirm the bug on i386.

I can reproduce it on my old ppc machine:

ay:~> gnuplot

G N U P L O T
Version 4.6 patchlevel 0last modified 2012-03-04 
Build System: Linux ppc

Copyright (C) 1986-1993, 1998, 2004, 2007-2012
Thomas Williams, Colin Kelley and many others

gnuplot home: http://www.gnuplot.info
faq, bugs, etc:   type "help FAQ"
immediate help:   type "help"  (plot window: hit 'h')

Terminal type set to 'wxt'
gnuplot> help
zsh: segmentation fault (core dumped)  gnuplot

-- 
Vincent Lefèvre  - Web: 
100% accessible validated (X)HTML - Blog: 
Work: CR INRIA - computer arithmetic / AriC project (LIP, ENS-Lyon)



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Bug#665832: gnuplot: Crashes with "Segmentation fault" on every command

[Detlev Zundel]

Package: gnuplot
Version: 4.6.0-1
Followup-For: Bug #665832

Hi,

as an additional data point, I see exactly the same behaviour.

Cheers
  Detlev

-- System Information:
Debian Release: wheezy/sid
  APT prefers stable-updates
  APT policy: (500, 'stable-updates'), (500, 'unstable'), (500, 'testing'), 
(500, 'stable')
Architecture: amd64 (x86_64)

Kernel: Linux 3.2.0-2-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash

Versions of packages gnuplot depends on:
ii  gnuplot-nox  4.6.0-1
ii  gnuplot-x11  4.6.0-1

gnuplot recommends no packages.

Versions of packages gnuplot suggests:
pn  gnuplot-doc  

-- no debconf information



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Bug#665832: gnuplot: Crashes with "Segmentation fault" on every command

[Agustin Martin]

On Mon, Mar 26, 2012 at 08:43:48PM +0200, Anton Gladky wrote:
> I confirm the bug on i386.
> 
> =
> gnuplot
> 
>   G N U P L O T
>   Version 4.6 patchlevel 0last modified 2012-03-04 
>   Build System: Linux i686
> 
>   Copyright (C) 1986-1993, 1998, 2004, 2007-2012
>   Thomas Williams, Colin Kelley and many others
> 
>   gnuplot home: http://www.gnuplot.info
>   faq, bugs, etc:   type "help FAQ"
>   immediate help:   type "help"  (plot window: hit 'h')
> 
> Terminal type set to 'wxt'
> gnuplot> help
> Segmentation fault

Strange, I cannot reproduce it here,

Debian Release: wheezy/sid
  APT prefers unstable
  APT policy: (500, 'unstable'), (200, 'unstable'), (1, 'experimental')
Architecture: i386 (i686)

Kernel: Linux 3.2.0-2-686-pae (SMP w/1 CPU core)
Locale: LANG=es_ES.ISO-8859-1, LC_CTYPE=es_ES.ISO-8859-1 (charmap=ISO-8859-1)
Shell: /bin/sh linked to /bin/bash

Versions of packages gnuplot depends on:
ii  gnuplot-nox  4.6.0-1
ii  gnuplot-x11  4.6.0-1

I am attaching output of "ldd -v /usr/bin/gnuplot" in case it helps,

Regards,

-- 
Agustin
linux-gate.so.1 =>  (0xb76eb000)
libedit.so.2 => /usr/lib/i386-linux-gnu/libedit.so.2 (0xb76a8000)
libgd.so.2 => /usr/lib/libgd.so.2 (0xb7661000)
liblua5.1.so.0 => /usr/lib/i386-linux-gnu/liblua5.1.so.0 (0xb762f000)
libwx_gtk2u_core-2.8.so.0 => 
/usr/lib/i386-linux-gnu/libwx_gtk2u_core-2.8.so.0 (0xb72d8000)
libwx_baseu-2.8.so.0 => /usr/lib/i386-linux-gnu/libwx_baseu-2.8.so.0 
(0xb718a000)
libpangocairo-1.0.so.0 => 
/usr/lib/i386-linux-gnu/libpangocairo-1.0.so.0 (0xb717b000)
libpango-1.0.so.0 => /usr/lib/i386-linux-gnu/libpango-1.0.so.0 
(0xb712e000)
libcairo.so.2 => /usr/lib/i386-linux-gnu/libcairo.so.2 (0xb7049000)
libgobject-2.0.so.0 => /usr/lib/i386-linux-gnu/libgobject-2.0.so.0 
(0xb6ff7000)
libglib-2.0.so.0 => /lib/i386-linux-gnu/libglib-2.0.so.0 (0xb6efc000)
libm.so.6 => /lib/i386-linux-gnu/i686/cmov/libm.so.6 (0xb6ed5000)
libstdc++.so.6 => /usr/lib/i386-linux-gnu/libstdc++.so.6 (0xb6de9000)
libgcc_s.so.1 => /lib/i386-linux-gnu/libgcc_s.so.1 (0xb6dcc000)
libpthread.so.0 => /lib/i386-linux-gnu/i686/cmov/libpthread.so.0 
(0xb6db3000)
libc.so.6 => /lib/i386-linux-gnu/i686/cmov/libc.so.6 (0xb6c56000)
libbsd.so.0 => /lib/i386-linux-gnu/libbsd.so.0 (0xb6c47000)
libncurses.so.5 => /lib/i386-linux-gnu/libncurses.so.5 (0xb6c23000)
libXpm.so.4 => /usr/lib/i386-linux-gnu/libXpm.so.4 (0xb6c12000)
libX11.so.6 => /usr/lib/i386-linux-gnu/libX11.so.6 (0xb6ad8000)
libjpeg.so.8 => /usr/lib/i386-linux-gnu/libjpeg.so.8 (0xb6a9f000)
libfontconfig.so.1 => /usr/lib/i386-linux-gnu/libfontconfig.so.1 
(0xb6a69000)
libfreetype.so.6 => /usr/lib/i386-linux-gnu/libfreetype.so.6 
(0xb69cd000)
libpng12.so.0 => /lib/i386-linux-gnu/libpng12.so.0 (0xb69a3000)
libz.so.1 => /usr/lib/i386-linux-gnu/libz.so.1 (0xb698c000)
libdl.so.2 => /lib/i386-linux-gnu/i686/cmov/libdl.so.2 (0xb6988000)
libgtk-x11-2.0.so.0 => /usr/lib/i386-linux-gnu/libgtk-x11-2.0.so.0 
(0xb6514000)
libgdk-x11-2.0.so.0 => /usr/lib/i386-linux-gnu/libgdk-x11-2.0.so.0 
(0xb6463000)
libatk-1.0.so.0 => /usr/lib/i386-linux-gnu/libatk-1.0.so.0 (0xb6442000)
libgio-2.0.so.0 => /usr/lib/i386-linux-gnu/libgio-2.0.so.0 (0xb62f7000)
libpangoft2-1.0.so.0 => /usr/lib/i386-linux-gnu/libpangoft2-1.0.so.0 
(0xb62c9000)
libgdk_pixbuf-2.0.so.0 => 
/usr/lib/i386-linux-gnu/libgdk_pixbuf-2.0.so.0 (0xb62a8000)
libgmodule-2.0.so.0 => /usr/lib/i386-linux-gnu/libgmodule-2.0.so.0 
(0xb62a4000)
libgthread-2.0.so.0 => /usr/lib/i386-linux-gnu/libgthread-2.0.so.0 
(0xb629f000)
librt.so.1 => /lib/i386-linux-gnu/i686/cmov/librt.so.1 (0xb6296000)
libXinerama.so.1 => /usr/lib/i386-linux-gnu/libXinerama.so.1 
(0xb6293000)
libSM.so.6 => /usr/lib/i386-linux-gnu/libSM.so.6 (0xb628a000)
libtiff.so.4 => /usr/lib/i386-linux-gnu/libtiff.so.4 (0xb6226000)
libpixman-1.so.0 => /usr/lib/i386-linux-gnu/libpixman-1.so.0 
(0xb618f000)
libxcb-shm.so.0 => /usr/lib/i386-linux-gnu/libxcb-shm.so.0 (0xb618b000)
libxcb-render.so.0 => /usr/lib/i386-linux-gnu/libxcb-render.so.0 
(0xb618)
libxcb.so.1 => /usr/lib/i386-linux-gnu/libxcb.so.1 (0xb615c000)
libXrender.so.1 => /usr/lib/i386-linux-gnu/libXrender.so.1 (0xb6152000)
libffi.so.5 => /usr/lib/i386-linux-gnu/libffi.so.5 (0xb6149000)
libpcre.so.3 => /lib/i386-linux-gnu/libpcre.so.3 (0xb610b000)
/lib/ld-linux.so.2 (0xb76ec000)
libtinfo.so.5 => /lib/i386-linux-gnu/libtinfo.so.5 (0xb60eb000)
libexpat.so.1 => /lib/i386-linux-gnu/libexpat.so.1 (0xb60c)
libXcomposite.so.1 => /usr/lib/i386-linux-gnu/libXcomposite.so.1 
(0xb60bd000)
libXdamage.so.1 => /usr/lib/i386-linux-gnu/libXdamage.so.1

Bug#665832: gnuplot: Crashes with "Segmentation fault" on every command

[Anton Gladky]

I confirm the bug on i386.

=
gnuplot

G N U P L O T
Version 4.6 patchlevel 0last modified 2012-03-04 
Build System: Linux i686

Copyright (C) 1986-1993, 1998, 2004, 2007-2012
Thomas Williams, Colin Kelley and many others

gnuplot home: http://www.gnuplot.info
faq, bugs, etc:   type "help FAQ"
immediate help:   type "help"  (plot window: hit 'h')

Terminal type set to 'wxt'
gnuplot> help
Segmentation fault

=

valgrind --leak-check=full gnuplot
==3293== Memcheck, a memory error detector
==3293== Copyright (C) 2002-2011, and GNU GPL'd, by Julian Seward et al.
==3293== Using Valgrind-3.7.0 and LibVEX; rerun with -h for copyright 
info
==3293== Command: gnuplot
==3293== 

G N U P L O T
Version 4.6 patchlevel 0last modified 2012-03-04 
Build System: Linux i686

Copyright (C) 1986-1993, 1998, 2004, 2007-2012
Thomas Williams, Colin Kelley and many others

gnuplot home: http://www.gnuplot.info
faq, bugs, etc:   type "help FAQ"
immediate help:   type "help"  (plot window: hit 'h')

Terminal type set to 'wxt'
==3293== Warning: ignored attempt to set SIGSTOP handler in sigaction();
==3293==  the SIGSTOP signal is uncatchable
gnuplot> help
==3293== Invalid read of size 4
==3293==at 0x8062FD8: ??? (in /usr/bin/gnuplot)
==3293==by 0x4979E45: (below main) (libc-start.c:228)
==3293==  Address 0x0 is not stack'd, malloc'd or (recently) free'd
==3293== 
==3293== 
==3293== Process terminating with default action of signal 11 (SIGSEGV)
==3293==  Access not within mapped region at address 0x0
==3293==at 0x8062FD8: ??? (in /usr/bin/gnuplot)
==3293==by 0x4979E45: (below main) (libc-start.c:228)
==3293==  If you believe this happened as a result of a stack
==3293==  overflow in your program's main thread (unlikely but
==3293==  possible), you can try to increase the size of the
==3293==  main thread stack using the --main-stacksize= flag.
==3293==  The main thread stack size used in this run was 8388608.
==3293== 
==3293== HEAP SUMMARY:
==3293== in use at exit: 106,392 bytes in 1,007 blocks
==3293==   total heap usage: 1,206 allocs, 199 frees, 133,788 bytes 
allocated
==3293== 
==3293== 92 bytes in 1 blocks are possibly lost in loss record 708 of 
832
==3293==at 0x4026208: malloc (in 
/usr/lib/valgrind/vgpreload_memcheck-x86-linux.so)
==3293==by 0x44E45EB: wxStringBase::AllocBuffer(unsigned int) (in 
/usr/lib/i386-linux-gnu/libwx_baseu-2.8.so.0.8.0)
==3293==by 0x44E4683: wxStringBase::InitWith(wchar_t const*, 
unsigned int, unsigned int) (in 
/usr/lib/i386-linux-gnu/libwx_baseu-2.8.so.0.8.0)
==3293==by 0x448EFB8: ??? (in 
/usr/lib/i386-linux-gnu/libwx_baseu-2.8.so.0.8.0)
==3293==by 0x400DF81: call_init (dl-init.c:85)
==3293==by 0x400E058: _dl_init (dl-init.c:134)
==3293==by 0x400087E: ??? (in /lib/i386-linux-gnu/ld-2.13.so)
==3293== 
==3293== 92 bytes in 1 blocks are possibly lost in loss record 709 of 
832
==3293==at 0x4026208: malloc (in 
/usr/lib/valgrind/vgpreload_memcheck-x86-linux.so)
==3293==by 0x44E494B: wxStringBase::Alloc(unsigned int) (in 
/usr/lib/i386-linux-gnu/libwx_baseu-2.8.so.0.8.0)
==3293==by 0x44E49C9: wxStringBase::append(unsigned int, wchar_t) 
(in /usr/lib/i386-linux-gnu/libwx_baseu-2.8.so.0.8.0)
==3293==by 0x44E4A64: wxStringBase::wxStringBase(unsigned int, 
wchar_t) (in /usr/lib/i386-linux-gnu/libwx_baseu-2.8.so.0.8.0)
==3293==by 0x448EFF4: ??? (in 
/usr/lib/i386-linux-gnu/libwx_baseu-2.8.so.0.8.0)
==3293==by 0x400DF81: call_init (dl-init.c:85)
==3293==by 0x400E058: _dl_init (dl-init.c:134)
==3293==by 0x400087E: ??? (in /lib/i386-linux-gnu/ld-2.13.so)
==3293== 
==3293== 92 bytes in 1 blocks are possibly lost in loss record 710 of 
832
==3293==at 0x4026208: malloc (in 
/usr/lib/valgrind/vgpreload_memcheck-x86-linux.so)
==3293==by 0x44E45EB: wxStringBase::AllocBuffer(unsigned int) (in 
/usr/lib/i386-linux-gnu/libwx_baseu-2.8.so.0.8.0)
==3293==by 0x44E47F0: wxStringBase::AllocBeforeWrite(unsigned int) 
(in /usr/lib/i386-linux-gnu/libwx_baseu-2.8.so.0.8.0)
==3293==by 0x44E57B1: wxStringBase::AssignCopy(unsigned int, 
wchar_t const*) (in /usr/lib/i386-linux-gnu/libwx_baseu-2.8.so.0.8.0)
==3293==by 0x44E587F: wxStringBase::operator=(wchar_t const*) (in 
/usr/lib/i386-linux-gnu/libwx_baseu-2.8.so.0.8.0)
==3293==by 0x4209BEC: ??? (in 
/usr/lib/i386-linux-gnu/libwx_gtk2u_core-2.8.so.0.8.0)
==3293==by 0x400DF81: call_init (dl-init.c:85)
==3293==by 0x400E058: _dl_init (dl-init.c:134)
==3293==by 0x400087E: ??? (in /lib/i386-linux-gnu/ld-2.13.so)
==3293== 
==3293== 92 bytes in 1 blocks are possibly lost in loss record 711 of 
832
==3293==at 0x4026208: malloc (in 
/usr/lib/valgrind/vgpreload_memcheck-x86-linux.so)
==3293==by 0x44E45EB: wxStringBase::AllocBuffer(unsigned int) (in 
/usr/lib/i386-linux-gnu/libwx_baseu-2

Bug#665832: gnuplot: Crashes with "Segmentation fault" on every command

[Agustin Martin]

On Mon, Mar 26, 2012 at 03:39:09PM +0200, Damien Desfontaines wrote:
> Package: gnuplot
> Version: 4.6.0-1
> Severity: grave
> Justification: renders package unusable
> 
> Hi,
> 
> gnuplot crashes on every command, returning a "Segmentation fault" error
> (well, actually, on my french system, it's "Erreur de segmentation"). For
> example :
> 
> me@E3PO:~$ gnuplot
> 
>   G N U P L O T
>   Version 4.6 patchlevel 0last modified 2012-03-04 
>   Build System: Linux x86_64
> 
>   Copyright (C) 1986-1993, 1998, 2004, 2007-2012
>   Thomas Williams, Colin Kelley and many others
> 
> Terminal type set to 'wxt'
> gnuplot> help 
> Erreur de segmentation
> me@E3PO:~$
> 
> 
> It has been exactly the same with any command I tried : help FAQ, plot
> sin(x), set xlabel 'foo', etc.

Hi, Damien

> Architecture: i386 (x86_64)

I see you use x86_64 (should it say amd64 instead of i386?). 

I cannot reproduce this in my i386 box, where new gnuplot mostly works
(still get a segfault sometimes, see #665432 gnuplot: using stdin makes
gnuplot crash).

If you have a box with a different arch, does this happen there?

Thanks for your feedback,

Regards,

-- 
Agustin



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Bug#665832: gnuplot: Crashes with "Segmentation fault" on every command

[Damien Desfontaines]

Package: gnuplot
Version: 4.6.0-1
Severity: grave
Justification: renders package unusable

Hi,

gnuplot crashes on every command, returning a "Segmentation fault" error
(well, actually, on my french system, it's "Erreur de segmentation"). For
example :

me@E3PO:~$ gnuplot

G N U P L O T
Version 4.6 patchlevel 0last modified 2012-03-04 
Build System: Linux x86_64

Copyright (C) 1986-1993, 1998, 2004, 2007-2012
Thomas Williams, Colin Kelley and many others

Terminal type set to 'wxt'
gnuplot> help 
Erreur de segmentation
me@E3PO:~$


It has been exactly the same with any command I tried : help FAQ, plot
sin(x), set xlabel 'foo', etc.

I have no idea where it could come from. I would be glad to give you any
detail you may ask for.

Best regards,

Damien


*** Please consider answering these questions, where appropriate ***

   * What led up to the situation?
   * What exactly did you do (or not do) that was effective (or
 ineffective)?
   * What was the outcome of this action?
   * What outcome did you expect instead?

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-- System Information:
Debian Release: wheezy/sid
  APT prefers unstable
  APT policy: (500, 'unstable')
Architecture: i386 (x86_64)

Kernel: Linux 3.2.0-2-amd64 (SMP w/8 CPU cores)
Locale: LANG=fr_FR.UTF-8, LC_CTYPE=fr_FR.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

Versions of packages gnuplot depends on:
ii  gnuplot-nox  4.6.0-1
ii  gnuplot-x11  4.6.0-1

gnuplot recommends no packages.

Versions of packages gnuplot suggests:
pn  gnuplot-doc  

-- no debconf information



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