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scilab on Ubuntu 11.10

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Ricardo Fabbri-2 Ricardo Fabbri-2
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scilab on Ubuntu 11.10

Hi,

does anybody here have a working scilab in ubuntu 11.10? Plotting
anything hangs scilab for me:
plot(1:10,1:10).

I reported this as bug #10106
 http://bugzilla.scilab.org/show_bug.cgi?id=10106

But I just wonder if other people using Ubuntu Oneiric encoutered the
same problem.
Ricardo
--
Linux registered user #175401
www.lems.brown.edu/~rfabbri
ac17 ac17
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Re: scilab on Ubuntu 11.10

Hello,

I have the same issue since the upgrade in 11.10 version...


On 17/10/2011 19:47, Ricardo Fabbri wrote:

> Hi,
>
> does anybody here have a working scilab in ubuntu 11.10? Plotting
> anything hangs scilab for me:
> plot(1:10,1:10).
>
> I reported this as bug #10106
>   http://bugzilla.scilab.org/show_bug.cgi?id=10106
>
> But I just wonder if other people using Ubuntu Oneiric encoutered the
> same problem.
> Ricardo
> --
> Linux registered user #175401
> www.lems.brown.edu/~rfabbri

Ricardo Fabbri-2 Ricardo Fabbri-2
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Re: scilab on Ubuntu 11.10

Please vote this bug by clicking on "this bug also affects me" on the
top-left corner:


https://bugs.launchpad.net/ubuntu/+source/scilab/+bug/876195

Ricardo
--
Linux registered user #175401
www.lems.brown.edu/~rfabbri



On Mon, Oct 17, 2011 at 4:15 PM, ac17 <[hidden email]> wrote:

> Hello,
>
> I have the same issue since the upgrade in 11.10 version...
>
>
> On 17/10/2011 19:47, Ricardo Fabbri wrote:
>>
>> Hi,
>>
>> does anybody here have a working scilab in ubuntu 11.10? Plotting
>> anything hangs scilab for me:
>> plot(1:10,1:10).
>>
>> I reported this as bug #10106
>>  http://bugzilla.scilab.org/show_bug.cgi?id=10106
>>
>> But I just wonder if other people using Ubuntu Oneiric encoutered the
>> same problem.
>> Ricardo
>> --
>> Linux registered user #175401
>> www.lems.brown.edu/~rfabbri
>
>
sylvestre sylvestre
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Re: scilab on Ubuntu 11.10

FYI, we (the Scilab consortium) are maintaining the Debian/Ubuntu
packages. So, reporting a bug against launchpad or in the Scilab bug
tracker is basically the same thing.

About the 10106 bug itself, I would like to keep the discussion in the
bug report itself. Thanks.

Sylvestre

PS: Launchpad votes are usually not very useful.


 
Le lundi 17 octobre 2011 à 17:15 -0200, Ricardo Fabbri a écrit :

> Please vote this bug by clicking on "this bug also affects me" on the
> top-left corner:
>
>
> https://bugs.launchpad.net/ubuntu/+source/scilab/+bug/876195
>
> Ricardo
> --
> Linux registered user #175401
> www.lems.brown.edu/~rfabbri
>
>
>
> On Mon, Oct 17, 2011 at 4:15 PM, ac17 <[hidden email]> wrote:
> > Hello,
> >
> > I have the same issue since the upgrade in 11.10 version...
> >
> >
> > On 17/10/2011 19:47, Ricardo Fabbri wrote:
> >>
> >> Hi,
> >>
> >> does anybody here have a working scilab in ubuntu 11.10? Plotting
> >> anything hangs scilab for me:
> >> plot(1:10,1:10).
> >>
> >> I reported this as bug #10106
> >>  http://bugzilla.scilab.org/show_bug.cgi?id=10106
> >>
> >> But I just wonder if other people using Ubuntu Oneiric encoutered the
> >> same problem.
> >> Ricardo
> >> --
> >> Linux registered user #175401
> >> www.lems.brown.edu/~rfabbri
> >
> >


Ricardo Fabbri-2 Ricardo Fabbri-2
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Re: scilab on Ubuntu 11.10

In reply to this post by Ricardo Fabbri-2
There is a hint of a fix in the forum, related to libgl1-mesa -
everyone with this problem seems to have an cheap intel graphics card

http://www.equalis.com/forums/posts.asp?topic=321201&


Ricardo
--
Linux registered user #175401
www.lems.brown.edu/~rfabbri



On Mon, Oct 17, 2011 at 5:15 PM, Ricardo Fabbri <[hidden email]> wrote:

> Please vote this bug by clicking on "this bug also affects me" on the
> top-left corner:
>
>
> https://bugs.launchpad.net/ubuntu/+source/scilab/+bug/876195
>
> Ricardo
> --
> Linux registered user #175401
> www.lems.brown.edu/~rfabbri
>
>
>
> On Mon, Oct 17, 2011 at 4:15 PM, ac17 <[hidden email]> wrote:
>> Hello,
>>
>> I have the same issue since the upgrade in 11.10 version...
>>
>>
>> On 17/10/2011 19:47, Ricardo Fabbri wrote:
>>>
>>> Hi,
>>>
>>> does anybody here have a working scilab in ubuntu 11.10? Plotting
>>> anything hangs scilab for me:
>>> plot(1:10,1:10).
>>>
>>> I reported this as bug #10106
>>>  http://bugzilla.scilab.org/show_bug.cgi?id=10106
>>>
>>> But I just wonder if other people using Ubuntu Oneiric encoutered the
>>> same problem.
>>> Ricardo
>>> --
>>> Linux registered user #175401
>>> www.lems.brown.edu/~rfabbri
>>
>>
>
Ricardo Fabbri-2 Ricardo Fabbri-2
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Re: scilab on Ubuntu 11.10

In reply to this post by sylvestre
Good to know, thanks.

I was also trying to get the greatest number of users informed, not just the maintainers.
Each place allows for a type of discussion.

Anyways, I agree, from now on let's try to stay on the bug report.

On Monday, October 17, 2011, Sylvestre Ledru <[hidden email]> wrote:
> FYI, we (the Scilab consortium) are maintaining the Debian/Ubuntu
> packages. So, reporting a bug against launchpad or in the Scilab bug
> tracker is basically the same thing.
>
> About the 10106 bug itself, I would like to keep the discussion in the
> bug report itself. Thanks.
>
> Sylvestre
>
> PS: Launchpad votes are usually not very useful.
>
>
>
> Le lundi 17 octobre 2011 à 17:15 -0200, Ricardo Fabbri a écrit :
>> Please vote this bug by clicking on "this bug also affects me" on the
>> top-left corner:
>>
>>
>> https://bugs.launchpad.net/ubuntu/+source/scilab/+bug/876195
>>
>> Ricardo
>> --
>> Linux registered user #175401
>> www.lems.brown.edu/~rfabbri
>>
>>
>>
>> On Mon, Oct 17, 2011 at 4:15 PM, ac17 <[hidden email]> wrote:
>> > Hello,
>> >
>> > I have the same issue since the upgrade in 11.10 version...
>> >
>> >
>> > On 17/10/2011 19:47, Ricardo Fabbri wrote:
>> >>
>> >> Hi,
>> >>
>> >> does anybody here have a working scilab in ubuntu 11.10? Plotting
>> >> anything hangs scilab for me:
>> >> plot(1:10,1:10).
>> >>
>> >> I reported this as bug #10106
>> >>  http://bugzilla.scilab.org/show_bug.cgi?id=10106
>> >>
>> >> But I just wonder if other people using Ubuntu Oneiric encoutered the
>> >> same problem.
>> >> Ricardo
>> >> --
>> >> Linux registered user #175401
>> >> www.lems.brown.edu/~rfabbri
>> >
>> >
>
>
>

--

Ricardo
--
Linux registered user #175401
www.lems.brown.edu/~rfabbri
sylvestre sylvestre
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Re: scilab on Ubuntu 11.10

Ricardo, could you, as requested on
https://bugs.launchpad.net/ubuntu/+source/mesa/+bug/877491
launch the command:
apport-collect 877491

Thanks,
S


Le mardi 18 octobre 2011 à 08:59 -0200, Ricardo Fabbri a écrit :

> Good to know, thanks.
>
> I was also trying to get the greatest number of users informed, not
> just the maintainers.
> Each place allows for a type of discussion.
>
> Anyways, I agree, from now on let's try to stay on the bug report.
>
> On Monday, October 17, 2011, Sylvestre Ledru
> <[hidden email]> wrote:
> > FYI, we (the Scilab consortium) are maintaining the Debian/Ubuntu
> > packages. So, reporting a bug against launchpad or in the Scilab bug
> > tracker is basically the same thing.
> >
> > About the 10106 bug itself, I would like to keep the discussion in
> the
> > bug report itself. Thanks.
> >
> > Sylvestre
> >
> > PS: Launchpad votes are usually not very useful.
> >
> >
> >
> > Le lundi 17 octobre 2011 à 17:15 -0200, Ricardo Fabbri a écrit :
> >> Please vote this bug by clicking on "this bug also affects me" on
> the
> >> top-left corner:
> >>
> >>
> >> https://bugs.launchpad.net/ubuntu/+source/scilab/+bug/876195
> >>
> >> Ricardo
> >> --
> >> Linux registered user #175401
> >> www.lems.brown.edu/~rfabbri
> >>
> >>
> >>
> >> On Mon, Oct 17, 2011 at 4:15 PM, ac17 <[hidden email]> wrote:
> >> > Hello,
> >> >
> >> > I have the same issue since the upgrade in 11.10 version...
> >> >
> >> >
> >> > On 17/10/2011 19:47, Ricardo Fabbri wrote:
> >> >>
> >> >> Hi,
> >> >>
> >> >> does anybody here have a working scilab in ubuntu 11.10?
> Plotting
> >> >> anything hangs scilab for me:
> >> >> plot(1:10,1:10).
> >> >>
> >> >> I reported this as bug #10106
> >> >>  http://bugzilla.scilab.org/show_bug.cgi?id=10106
> >> >>
> >> >> But I just wonder if other people using Ubuntu Oneiric
> encoutered the
> >> >> same problem.
> >> >> Ricardo
> >> >> --
> >> >> Linux registered user #175401
> >> >> www.lems.brown.edu/~rfabbri
> >> >
> >> >
> >
> >
> >
>
> --
>
> Ricardo
> --
> Linux registered user #175401
> www.lems.brown.edu/~rfabbri


Steve Steve
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Re: scilab on Ubuntu 11.10

In reply to this post by Ricardo Fabbri-2
Ricardo Fabbri <rfabbri@...> writes:

>
> Hi,
>
> does anybody here have a working scilab in ubuntu 11.10? Plotting
> anything hangs scilab for me:
> plot(1:10,1:10).
>
> I reported this as bug #10106
>  http://bugzilla.scilab.org/show_bug.cgi?id=10106


Hi Ricardo,

I upgraded to 11.10 and am having the same issue. Thanks for reporting the bug.

Steve

Ricardo Fabbri-2 Ricardo Fabbri-2
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Re: scilab on Ubuntu 11.10

In reply to this post by sylvestre
Sylvestre, I did that command. It gave me trouble in the beginning but
it seemingly sent the debug info out.

Hope that helps,
Ricardo Fabbri
--
Linux registered user #175401
www.lems.brown.edu/~rfabbri
labmacambira.sf.net




On Tue, Oct 25, 2011 at 5:48 PM, Sylvestre Ledru
<[hidden email]> wrote:

> Ricardo, could you, as requested on
> https://bugs.launchpad.net/ubuntu/+source/mesa/+bug/877491
> launch the command:
> apport-collect 877491
>
> Thanks,
> S
>
>
> Le mardi 18 octobre 2011 à 08:59 -0200, Ricardo Fabbri a écrit :
>> Good to know, thanks.
>>
>> I was also trying to get the greatest number of users informed, not
>> just the maintainers.
>> Each place allows for a type of discussion.
>>
>> Anyways, I agree, from now on let's try to stay on the bug report.
>>
>> On Monday, October 17, 2011, Sylvestre Ledru
>> <[hidden email]> wrote:
>> > FYI, we (the Scilab consortium) are maintaining the Debian/Ubuntu
>> > packages. So, reporting a bug against launchpad or in the Scilab bug
>> > tracker is basically the same thing.
>> >
>> > About the 10106 bug itself, I would like to keep the discussion in
>> the
>> > bug report itself. Thanks.
>> >
>> > Sylvestre
>> >
>> > PS: Launchpad votes are usually not very useful.
>> >
>> >
>> >
>> > Le lundi 17 octobre 2011 à 17:15 -0200, Ricardo Fabbri a écrit :
>> >> Please vote this bug by clicking on "this bug also affects me" on
>> the
>> >> top-left corner:
>> >>
>> >>
>> >> https://bugs.launchpad.net/ubuntu/+source/scilab/+bug/876195
>> >>
>> >> Ricardo
>> >> --
>> >> Linux registered user #175401
>> >> www.lems.brown.edu/~rfabbri
>> >>
>> >>
>> >>
>> >> On Mon, Oct 17, 2011 at 4:15 PM, ac17 <[hidden email]> wrote:
>> >> > Hello,
>> >> >
>> >> > I have the same issue since the upgrade in 11.10 version...
>> >> >
>> >> >
>> >> > On 17/10/2011 19:47, Ricardo Fabbri wrote:
>> >> >>
>> >> >> Hi,
>> >> >>
>> >> >> does anybody here have a working scilab in ubuntu 11.10?
>> Plotting
>> >> >> anything hangs scilab for me:
>> >> >> plot(1:10,1:10).
>> >> >>
>> >> >> I reported this as bug #10106
>> >> >>  http://bugzilla.scilab.org/show_bug.cgi?id=10106
>> >> >>
>> >> >> But I just wonder if other people using Ubuntu Oneiric
>> encoutered the
>> >> >> same problem.
>> >> >> Ricardo
>> >> >> --
>> >> >> Linux registered user #175401
>> >> >> www.lems.brown.edu/~rfabbri
>> >> >
>> >> >
>> >
>> >
>> >
>>
>> --
>>
>> Ricardo
>> --
>> Linux registered user #175401
>> www.lems.brown.edu/~rfabbri
>
>
>
Tibault Reveyrand Tibault Reveyrand
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Re: scilab on Ubuntu 11.10

In reply to this post by Steve
Charles Warner Charles Warner
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Re: scilab on Ubuntu 11.10

"install libgl1-mesa-swx11 or removing libgl1-mesa-glx should fix the issue."  The problem is, other software may require libgl1-mesa-glx- changing to *-swx11 may break something else.  The two libraries apparently cannot co-exist on the same system.  I encountered this with a couple of other software packages I have been working with- the solution is a dual boot system, one with *-glx to satisfy one software package, the other with *-swx11 to satisfy the other software package.  Not an elegant solution...

On Sun, Nov 20, 2011 at 7:18 AM, Tibault Reveyrand <[hidden email]> wrote:
Here is a way to fix this problem :

https://twitter.com/#!/SylvestreLedru/status/138217732360515584






Antoine Monmayrant Antoine Monmayrant
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Re: scilab on Ubuntu 11.10

Le 20/11/11 18:25, Charles Warner a écrit :
"install libgl1-mesa-swx11 or removing libgl1-mesa-glx should fix the issue."  The problem is, other software may require libgl1-mesa-glx- changing to *-swx11 may break something else.  The two libraries apparently cannot co-exist on the same system.  I encountered this with a couple of other software packages I have been working with- the solution is a dual boot system, one with *-glx to satisfy one software package, the other with *-swx11 to satisfy the other software package.  Not an elegant solution...
Why don't you chroot instead of dualboot?
This could be a more elegant solution, even if it's not perfect.

On Sun, Nov 20, 2011 at 7:18 AM, Tibault Reveyrand <[hidden email]> wrote:
Here is a way to fix this problem :

https://twitter.com/#!/SylvestreLedru/status/138217732360515584







Charles Warner Charles Warner
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Re: scilab on Ubuntu 11.10

Anttoine-
My version of Linux (Ubuntu 10.04) will not allow me to install the two libraries simultaneously on the same file system.  I have not considered chroot- I don't know if it will find the alternative file system.  Worth a try, I suppose.  Since I like to keep two instances of the entire distro on my computer (one, my "working" system, one my "experimental" system) rebooting has always been my "lazy" approach.  I'm not sure how to use chroot in this process, since both systems have root named "/"...maybe worth experimentings with.

Charlie
On Sun, Nov 20, 2011 at 3:03 PM, Antoine Monmayrant <[hidden email]> wrote:
Le 20/11/11 18:25, Charles Warner a écrit :
"install libgl1-mesa-swx11 or removing libgl1-mesa-glx should fix the issue."  The problem is, other software may require libgl1-mesa-glx- changing to *-swx11 may break something else.  The two libraries apparently cannot co-exist on the same system.  I encountered this with a couple of other software packages I have been working with- the solution is a dual boot system, one with *-glx to satisfy one software package, the other with *-swx11 to satisfy the other software package.  Not an elegant solution...
Why don't you chroot instead of dualboot?
This could be a more elegant solution, even if it's not perfect.


On Sun, Nov 20, 2011 at 7:18 AM, Tibault Reveyrand <[hidden email]> wrote:
Here is a way to fix this problem :

https://twitter.com/#!/SylvestreLedru/status/138217732360515584








Antoine Monmayrant Antoine Monmayrant
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Re: scilab on Ubuntu 11.10

Le 20/11/2011 22:19, Charles Warner a écrit :
> Anttoine-
> My version of Linux (Ubuntu 10.04) will not allow me to install the two
> libraries simultaneously on the same file system.  I have not considered
> chroot- I don't know if it will find the alternative file system.  Worth a
> try, I suppose.  Since I like to keep two instances of the entire distro on
> my computer (one, my "working" system, one my "experimental" system)
> rebooting has always been my "lazy" approach.  I'm not sure how to use
> chroot in this process, since both systems have root named "/"...maybe
> worth experimentings with.
Well, we use it at work (I have to admit I was not the one setting it
up) and it's quite convenient.
Basically, the only common points between your two systems will be the
linux kernel.
Apart from the kernel, the two systems are totally independent and have
their one filesystems.
We use it to run a debian distro (that have nice packages for
electromagnetic simulations) on a centos system (needed for a lot of
other simulations softwares).
Switching from Centos to Debian is as easy as "/local/chroot/debian" and
it's even easier to switch back: "exit".
We didn't bother setting up the X server on Debian (the softs we use are
command-line only) but it might be possible to share the same X server
on both systems.

Cheers,

Antoine

> Charlie
> On Sun, Nov 20, 2011 at 3:03 PM, Antoine Monmayrant<
> [hidden email]>  wrote:
>
>>   Le 20/11/11 18:25, Charles Warner a écrit :
>>
>> "install libgl1-mesa-swx11 or removing libgl1-mesa-glx should fix the
>> issue."  The problem is, other software may require libgl1-mesa-glx-
>> changing to *-swx11 may break something else.  The two libraries apparently
>> cannot co-exist on the same system.  I encountered this with a couple of
>> other software packages I have been working with- the solution is a dual
>> boot system, one with *-glx to satisfy one software package, the other with
>> *-swx11 to satisfy the other software package.  Not an elegant solution...
>>
>> Why don't you chroot instead of dualboot?
>> This could be a more elegant solution, even if it's not perfect.
>>
>>
>> On Sun, Nov 20, 2011 at 7:18 AM, Tibault Reveyrand<[hidden email]>wrote:
>>
>>> Here is a way to fix this problem :
>>>
>>> https://twitter.com/#!/SylvestreLedru/status/138217732360515584
>>>
>>>
>>>
>>>
>>>
>>>
>>


--
+++++++++++++++++++++++++++++++++++++++++++++++++++++++

  Antoine Monmayrant LAAS - CNRS
  7 avenue du Colonel Roche
  31077 TOULOUSE
  Cedex 4 FRANCE

  Tel:+33 5 61 33 64 59

  email : [hidden email]
  permanent email : [hidden email]

+++++++++++++++++++++++++++++++++++++++++++++++++++++++


Charles Warner Charles Warner
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Re: scilab on Ubuntu 11.10

Just gave chroot a try- works nicely, but my system won't let me run a second X server, which seems to limit the second root to command line only.  Useful, but not much imporvement over my reboot approach.  Note that I can access files on either system from whatever system is active...I could run Scilab from the command line on the new root, but, since Scilab comes installed and configured on my preferred distro, I really have no need to do this.

What I use the dual boot system for primarily is to have an "experimental" system where I can try out new software, check for conflicts, etc. before adding it to my "working" system.  As time goes on, my "experimental" system starts looking more like my "working" system- when it seems stable enough, and has all the critical functions I need, I then start using it as the "working" system, and the old system is discarded and a new base distro can be explored without causing problems.  This also gives me the chance to evaluate new releases of projects like Scilab without losing my existing capabilities.

The conflict between the libgl versions that I encountered actually occurred when trying to run Dassault Systemes' DraftSight2 (latest release) on the same platform as Salome.  Not being to fond of the idea of rebooting to switch between systems to resolve library conflicts, and the fact that an older version of DraftSight2 plays nicely with Salome, and the fact that Salome is by far the more important package, Salome wins.  I am not sure I could easily make the same choice with Scilab requiring a different library version- although rebooting to run Scilab is not nearly as unpalatable as the other two, since I seldom, if ever, need to run Scilab when I am running Salome.  The question is, are ther atoms that rely on one version of the libgl library while other atoms rely on the other version?

This is a conflict I have never encountered on Linux before, but, I suspect that, with the "desktop wars" between Gnome 3 and Unity running rampant, I suspect we can look for more such conflicts in the future...

Charlie

On Mon, Nov 21, 2011 at 3:40 AM, Antoine Monmayrant <[hidden email]> wrote:
Le 20/11/2011 22:19, Charles Warner a écrit :

Anttoine-
My version of Linux (Ubuntu 10.04) will not allow me to install the two
libraries simultaneously on the same file system.  I have not considered
chroot- I don't know if it will find the alternative file system.  Worth a
try, I suppose.  Since I like to keep two instances of the entire distro on
my computer (one, my "working" system, one my "experimental" system)
rebooting has always been my "lazy" approach.  I'm not sure how to use
chroot in this process, since both systems have root named "/"...maybe
worth experimentings with.
Well, we use it at work (I have to admit I was not the one setting it up) and it's quite convenient.
Basically, the only common points between your two systems will be the linux kernel.
Apart from the kernel, the two systems are totally independent and have their one filesystems.
We use it to run a debian distro (that have nice packages for electromagnetic simulations) on a centos system (needed for a lot of other simulations softwares).
Switching from Centos to Debian is as easy as "/local/chroot/debian" and it's even easier to switch back: "exit".
We didn't bother setting up the X server on Debian (the softs we use are command-line only) but it might be possible to share the same X server on both systems.

Cheers,

Antoine

Charlie
On Sun, Nov 20, 2011 at 3:03 PM, Antoine Monmayrant<
[hidden email]>  wrote:

 Le 20/11/11 18:25, Charles Warner a écrit :

"install libgl1-mesa-swx11 or removing libgl1-mesa-glx should fix the
issue."  The problem is, other software may require libgl1-mesa-glx-
changing to *-swx11 may break something else.  The two libraries apparently
cannot co-exist on the same system.  I encountered this with a couple of
other software packages I have been working with- the solution is a dual
boot system, one with *-glx to satisfy one software package, the other with
*-swx11 to satisfy the other software package.  Not an elegant solution...

Why don't you chroot instead of dualboot?
This could be a more elegant solution, even if it's not perfect.


On Sun, Nov 20, 2011 at 7:18 AM, Tibault Reveyrand<[hidden email]>wrote:

Here is a way to fix this problem :

https://twitter.com/#!/SylvestreLedru/status/138217732360515584









--
+++++++++++++++++++++++++++++++++++++++++++++++++++++++

 Antoine Monmayrant LAAS - CNRS
 7 avenue du Colonel Roche
 31077 TOULOUSE
 Cedex 4 FRANCE

 Tel:<a href="tel:%2B33%205%2061%2033%2064%2059" value="+33561336459" target="_blank">+33 5 61 33 64 59

 email : [hidden email]
 permanent email : [hidden email]

+++++++++++++++++++++++++++++++++++++++++++++++++++++++




Antoine Monmayrant Antoine Monmayrant
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Re: scilab on Ubuntu 11.10

By the way, did you try modules to get both libraries at the same time?
( http://modules.sourceforge.net/ )
It is installed on a cluster I have access to and it's quite efficient.
Basically you can do things like "module load gcc/3.1.1" and "module
load scilab/4.1.2" to get gcc3.1.1 and scilab4.1.2 as your default
compiler and scilab exe in the current terminal.
I use it to run simultaneously different softwares that have
incompatible requirements.
It may be a solution for you.

Cheers,

Antoine

Le 21/11/2011 22:40, Charles Warner a écrit :

> Just gave chroot a try- works nicely, but my system won't let me run a
> second X server, which seems to limit the second root to command line
> only.  Useful, but not much imporvement over my reboot approach.  Note that
> I can access files on either system from whatever system is active...I
> could run Scilab from the command line on the new root, but, since Scilab
> comes installed and configured on my preferred distro, I really have no
> need to do this.
>
> What I use the dual boot system for primarily is to have an "experimental"
> system where I can try out new software, check for conflicts, etc. before
> adding it to my "working" system.  As time goes on, my "experimental"
> system starts looking more like my "working" system- when it seems stable
> enough, and has all the critical functions I need, I then start using it as
> the "working" system, and the old system is discarded and a new base distro
> can be explored without causing problems.  This also gives me the chance to
> evaluate new releases of projects like Scilab without losing my existing
> capabilities.
>
> The conflict between the libgl versions that I encountered actually
> occurred when trying to run Dassault Systemes' DraftSight2 (latest release)
> on the same platform as Salome.  Not being to fond of the idea of rebooting
> to switch between systems to resolve library conflicts, and the fact that
> an older version of DraftSight2 plays nicely with Salome, and the fact that
> Salome is by far the more important package, Salome wins.  I am not sure I
> could easily make the same choice with Scilab requiring a different library
> version- although rebooting to run Scilab is not nearly as unpalatable as
> the other two, since I seldom, if ever, need to run Scilab when I am
> running Salome.  The question is, are ther atoms that rely on one version
> of the libgl library while other atoms rely on the other version?
>
> This is a conflict I have never encountered on Linux before, but, I suspect
> that, with the "desktop wars" between Gnome 3 and Unity running rampant, I
> suspect we can look for more such conflicts in the future...
>
> Charlie
>
> On Mon, Nov 21, 2011 at 3:40 AM, Antoine Monmayrant<
> [hidden email]>  wrote:
>
>> Le 20/11/2011 22:19, Charles Warner a écrit :
>>
>>   Anttoine-
>>> My version of Linux (Ubuntu 10.04) will not allow me to install the two
>>> libraries simultaneously on the same file system.  I have not considered
>>> chroot- I don't know if it will find the alternative file system.  Worth a
>>> try, I suppose.  Since I like to keep two instances of the entire distro
>>> on
>>> my computer (one, my "working" system, one my "experimental" system)
>>> rebooting has always been my "lazy" approach.  I'm not sure how to use
>>> chroot in this process, since both systems have root named "/"...maybe
>>> worth experimentings with.
>>>
>> Well, we use it at work (I have to admit I was not the one setting it up)
>> and it's quite convenient.
>> Basically, the only common points between your two systems will be the
>> linux kernel.
>> Apart from the kernel, the two systems are totally independent and have
>> their one filesystems.
>> We use it to run a debian distro (that have nice packages for
>> electromagnetic simulations) on a centos system (needed for a lot of other
>> simulations softwares).
>> Switching from Centos to Debian is as easy as "/local/chroot/debian" and
>> it's even easier to switch back: "exit".
>> We didn't bother setting up the X server on Debian (the softs we use are
>> command-line only) but it might be possible to share the same X server on
>> both systems.
>>
>> Cheers,
>>
>> Antoine
>>
>>   Charlie
>>> On Sun, Nov 20, 2011 at 3:03 PM, Antoine Monmayrant<
>>> [hidden email]>   wrote:
>>>
>>>    Le 20/11/11 18:25, Charles Warner a écrit :
>>>> "install libgl1-mesa-swx11 or removing libgl1-mesa-glx should fix the
>>>> issue."  The problem is, other software may require libgl1-mesa-glx-
>>>> changing to *-swx11 may break something else.  The two libraries
>>>> apparently
>>>> cannot co-exist on the same system.  I encountered this with a couple of
>>>> other software packages I have been working with- the solution is a dual
>>>> boot system, one with *-glx to satisfy one software package, the other
>>>> with
>>>> *-swx11 to satisfy the other software package.  Not an elegant
>>>> solution...
>>>>
>>>> Why don't you chroot instead of dualboot?
>>>> This could be a more elegant solution, even if it's not perfect.
>>>>
>>>>
>>>> On Sun, Nov 20, 2011 at 7:18 AM, Tibault Reveyrand<[hidden email]>*
>>>> *wrote:
>>>>
>>>>   Here is a way to fix this problem :
>>>>> https://twitter.com/#!/**SylvestreLedru/status/**138217732360515584<https://twitter.com/#%21/SylvestreLedru/status/138217732360515584>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>
>>
>>

Charles Warner Charles Warner
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Re: scilab on Ubuntu 11.10

Modules looks like a VERY useful tool.  Thank you.  Have to give it a try when I switch to the "experimental" platform!

Charlie

On Tue, Nov 22, 2011 at 3:25 AM, Antoine Monmayrant <[hidden email]> wrote:
By the way, did you try modules to get both libraries at the same time?
( http://modules.sourceforge.net/ )
It is installed on a cluster I have access to and it's quite efficient.
Basically you can do things like "module load gcc/3.1.1" and "module load scilab/4.1.2" to get gcc3.1.1 and scilab4.1.2 as your default compiler and scilab exe in the current terminal.
I use it to run simultaneously different softwares that have incompatible requirements.
It may be a solution for you.

Cheers,

Antoine

Le 21/11/2011 22:40, Charles Warner a écrit :
Just gave chroot a try- works nicely, but my system won't let me run a
second X server, which seems to limit the second root to command line
only.  Useful, but not much imporvement over my reboot approach.  Note that
I can access files on either system from whatever system is active...I
could run Scilab from the command line on the new root, but, since Scilab
comes installed and configured on my preferred distro, I really have no
need to do this.

What I use the dual boot system for primarily is to have an "experimental"
system where I can try out new software, check for conflicts, etc. before
adding it to my "working" system.  As time goes on, my "experimental"
system starts looking more like my "working" system- when it seems stable
enough, and has all the critical functions I need, I then start using it as
the "working" system, and the old system is discarded and a new base distro
can be explored without causing problems.  This also gives me the chance to
evaluate new releases of projects like Scilab without losing my existing
capabilities.

The conflict between the libgl versions that I encountered actually
occurred when trying to run Dassault Systemes' DraftSight2 (latest release)
on the same platform as Salome.  Not being to fond of the idea of rebooting
to switch between systems to resolve library conflicts, and the fact that
an older version of DraftSight2 plays nicely with Salome, and the fact that
Salome is by far the more important package, Salome wins.  I am not sure I
could easily make the same choice with Scilab requiring a different library
version- although rebooting to run Scilab is not nearly as unpalatable as
the other two, since I seldom, if ever, need to run Scilab when I am
running Salome.  The question is, are ther atoms that rely on one version
of the libgl library while other atoms rely on the other version?

This is a conflict I have never encountered on Linux before, but, I suspect
that, with the "desktop wars" between Gnome 3 and Unity running rampant, I
suspect we can look for more such conflicts in the future...

Charlie

On Mon, Nov 21, 2011 at 3:40 AM, Antoine Monmayrant<
[hidden email]>  wrote:

Le 20/11/2011 22:19, Charles Warner a écrit :

 Anttoine-
My version of Linux (Ubuntu 10.04) will not allow me to install the two
libraries simultaneously on the same file system.  I have not considered
chroot- I don't know if it will find the alternative file system.  Worth a
try, I suppose.  Since I like to keep two instances of the entire distro
on
my computer (one, my "working" system, one my "experimental" system)
rebooting has always been my "lazy" approach.  I'm not sure how to use
chroot in this process, since both systems have root named "/"...maybe
worth experimentings with.

Well, we use it at work (I have to admit I was not the one setting it up)
and it's quite convenient.
Basically, the only common points between your two systems will be the
linux kernel.
Apart from the kernel, the two systems are totally independent and have
their one filesystems.
We use it to run a debian distro (that have nice packages for
electromagnetic simulations) on a centos system (needed for a lot of other
simulations softwares).
Switching from Centos to Debian is as easy as "/local/chroot/debian" and
it's even easier to switch back: "exit".
We didn't bother setting up the X server on Debian (the softs we use are
command-line only) but it might be possible to share the same X server on
both systems.

Cheers,

Antoine

 Charlie
On Sun, Nov 20, 2011 at 3:03 PM, Antoine Monmayrant<
[hidden email]>   wrote:

  Le 20/11/11 18:25, Charles Warner a écrit :
"install libgl1-mesa-swx11 or removing libgl1-mesa-glx should fix the
issue."  The problem is, other software may require libgl1-mesa-glx-
changing to *-swx11 may break something else.  The two libraries
apparently
cannot co-exist on the same system.  I encountered this with a couple of
other software packages I have been working with- the solution is a dual
boot system, one with *-glx to satisfy one software package, the other
with
*-swx11 to satisfy the other software package.  Not an elegant
solution...

Why don't you chroot instead of dualboot?
This could be a more elegant solution, even if it's not perfect.


On Sun, Nov 20, 2011 at 7:18 AM, Tibault Reveyrand<[hidden email]>*
*wrote:


 Here is a way to fix this problem :
https://twitter.com/#!/**SylvestreLedru/status/**138217732360515584<https://twitter.com/#%21/SylvestreLedru/status/138217732360515584>













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