Re: grdmath problems

Paul:


Good evening.

I originally had the buffer overflow problem when I installed GMT on Ubuntu
12.04 using "sudo apt-get install gmt". You recommended I install 4.5.11
from sources which I did using the attached script "siposg4511-1.sh". But
the problems persists.

In the end I hope to be able to execute grdmath by calling the full path.



*Branden Christensen*
The Seismo Guys Blog: http://www.osop.com.pa/blog/the-seismo-guys/
Take a Virtual Tour: http://www.osop.com.pa/tour
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On Wed, Jan 22, 2014 at 7:06 PM, Paul Wessel <[email protected]> wrote:

> Hi Brandan-
>
> I think I forgot how this started.  Did you build GMT yourself or
> installed via ubuntu package manager? We have had lots of issues with the
> ubuntu-built GMT release but people who build it themselves have no issues.
>  I know a ticket was opened with Ubuntu so maybe in 4 years it will be
> addressed...  We suspect they used some unhealthy compiler flag but we do
> not know.
> -p
>
> On Jan 22, 2014, at 9:43 AM, Branden Christensen <
> [email protected]> wrote:
>
> Paul:
>
>
> If you guys want access to a server running 12.04 let me know.
>
>
> Kind Regards,
>
>
> *Branden Christensen*
> The Seismo Guys Blog: http://www.osop.com.pa/blog/the-seismo-guys/
> Take a Virtual Tour: http://www.osop.com.pa/tour
> Sign up for the OSOP mailing list:
> http://www.osop.com.pa/about/osop-mailing-list/
>
>
> On Wed, Jan 22, 2014 at 7:31 PM, Paul Wessel <[email protected]> wrote:
>
>> No, this should be good - I just need to reproduce it in Ubuntu, or have
>> some of our other guys try it as well (Marcelo? Eduardo?)
>>
>> -p
>>
>> On Jan 22, 2014, at 9:16 AM, Branden Christensen <
>> [email protected]> wrote:
>>
>> Paul:
>>
>>
>> I get this:
>> osop@osop-displays2:~$ /usr/src/gmt-4.5.11/bin/grdmath -R0/10/0/10 -I1 X
>> = 1.grd
>> osop@osop-displays2:~$ /usr/src/gmt-4.5.11/bin/grdmath -R0/10/0/10 -I1 X
>> = 2.grd
>> osop@osop-displays2:~$ /usr/src/gmt-4.5.11/bin/grdmath 1.grd DUP DUP 10
>> LE 0.65 MUL EXCH DUP DUP DUP 10 GT EXCH 20 LE MUL EXCH 10 SUB 10 DIV -0.05
>> MUL 0.65 ADD MUL EXCH DUP DUP DUP 20 GT EXCH 30 LE MUL EXCH 20 SUB 10 DIV
>> -0.07 MUL 0.60 ADD MUL EXCH DUP DUP DUP 30 GT EXCH 40 LE MUL EXCH 30 SUB 10
>> DIV -0.08 MUL 0.53 ADD MUL EXCH 40 GT 0.45 MUL ADD ADD ADD ADD 686 2.grd
>> DIV EXCH POW MUL = 3.grd
>> *** buffer overflow detected ***: /usr/src/gmt-4.5.11/bin/grdmath
>> terminated
>>
>> So will you still need the original files if these dummy files produce
>> the same error? Please let me know!
>>
>>
>> Kind Regards,
>>
>>
>> *Branden Christensen*
>> The Seismo Guys Blog: http://www.osop.com.pa/blog/the-seismo-guys/
>> Take a Virtual Tour: http://www.osop.com.pa/tour
>> Sign up for the OSOP mailing list:
>> http://www.osop.com.pa/about/osop-mailing-list/
>>
>>
>> On Wed, Jan 22, 2014 at 7:05 PM, Paul Wessel <[email protected]> wrote:
>>
>>> Hi Brandan-
>>>
>>> Even if the input grids dont matter I will need to create dummy ones
>>> with the right dimensions since grdmath is reading them to detect -R -I.
>>> If I just try
>>>
>>> grdmath -R0/10/0/10 -I1 X = 1.grd
>>> grdmath -R0/10/0/10 -I1 X = 2.grd
>>> grdmath 1.grd DUP DUP 10 LE 0.65 MUL EXCH DUP DUP DUP 10 GT EXCH 20 LE
>>> MUL EXCH 10 SUB 10 DIV -0.05 MUL 0.65 ADD MUL EXCH DUP DUP DUP 20 GT EXCH
>>> 30 LE MUL EXCH 20 SUB 10 DIV -0.07 MUL 0.60 ADD MUL EXCH DUP DUP DUP 30 GT
>>> EXCH 40 LE MUL EXCH 30 SUB 10 DIV -0.08 MUL 0.53 ADD MUL EXCH 40 GT 0.45
>>> MUL ADD ADD ADD ADD 686 2.grd DIV EXCH POW MUL = 3.grd
>>>
>>> I get no errors.  Let me know if the above crashes for you.  I will then
>>> fire up Ubuntu in parallels and see what happens there.
>>> -p
>>>
>>> On Jan 22, 2014, at 8:51 AM, Branden Christensen <
>>> [email protected]> wrote:
>>>
>>> > Paul:
>>> >
>>> >
>>> > Buenas tardes.
>>> >
>>> > I would like to take up this issue again.
>>> >
>>> > The buffer overflow is caused by grdmath on a 64-bit 12.04 LTS Ubuntu
>>> machine running GMT 4.5.11.
>>> >
>>> > Here is the complete command and resulting error:
>>> >
>>> > /usr/src/gmt-4.5.11/bin/grdmath
>>> /opt/shakemap2/bin/../data/9583161/richter/pgv_rock.grd DUP DUP 10 LE 0.65
>>> MUL EXCH DUP DUP DUP 10 GT EXCH 20 LE MUL EXCH 10 SUB 10 DIV -0.05 MUL 0.65
>>> ADD MUL EXCH DUP DUP DUP 20 GT EXCH 30 LE MUL EXCH 20 SUB 10 DIV -0.07 MUL
>>> 0.60 ADD MUL EXCH DUP DUP DUP 30 GT EXCH 40 LE MUL EXCH 30 SUB 10 DIV -0.08
>>> MUL 0.53 ADD MUL EXCH 40 GT 0.45 MUL ADD ADD ADD ADD 686
>>> /opt/shakemap2/bin/../data/9583161/output/UFVS74PC0J.grd DIV EXCH POW MUL =
>>> /opt/shakemap2/bin/../data/9583161/output/pgv.grd
>>> > *** buffer overflow detected ***: /usr/src/gmt-4.5.11/bin/grdmath
>>> terminated
>>> >
>>> > The input files do not matter. I created a new directory "tmp" and
>>> touched 1.grd, 2.grd and 3.grd. Then:
>>> > osop@osop-displays2:~/tmp$ /usr/src/gmt-4.5.11/bin/grdmath 1.grd DUP
>>> DUP 10 LE 0.65 MUL EXCH DUP DUP DUP 10 GT EXCH 20 LE MUL EXCH 10 SUB 10 DIV
>>> -0.05 MUL 0.65 ADD MUL EXCH DUP DUP DUP 20 GT EXCH 30 LE MUL EXCH 20 SUB 10
>>> DIV -0.07 MUL 0.60 ADD MUL EXCH DUP DUP DUP 30 GT EXCH 40 LE MUL EXCH 30
>>> SUB 10 DIV -0.08 MUL 0.53 ADD MUL EXCH 40 GT 0.45 MUL ADD ADD ADD ADD 686
>>> 2.grd DIV EXCH POW MUL = 3.grd*** buffer overflow detected ***:
>>> /usr/src/gmt-4.5.11/bin/grdmath terminated
>>> >
>>> >
>>> > Thank you for your expertise.
>>> >
>>> >
>>> > Kind Regards from Panama,
>>> >
>>> >
>>> > Branden Christensen
>>> > The Seismo Guys Blog: http://www.osop.com.pa/blog/the-seismo-guys/
>>> > Take a Virtual Tour: http://www.osop.com.pa/tour
>>> > Sign up for the OSOP mailing list:
>>> http://www.osop.com.pa/about/osop-mailing-list/
>>> >
>>> >
>>> > On Fri, Nov 29, 2013 at 9:32 AM, Paul Wessel <[email protected]>
>>> wrote:
>>> > Brendan-
>>> >
>>> > It would be helpful if you could save the files used to run the
>>> grdmath command below which seems to be the first that crashes.  However,
>>> that is clearly not the full grdmath command since there is no -R -I or
>>> gridfile on the input side. If I am to be of any help I will need an actual
>>> grdmath command line that crashes and all the input files that it requires
>>> so I can try to recreate the situation here.
>>> >
>>> > Cheers,
>>> > -p
>>> >
>>> >
>>> >
>>> > On Nov 28, 2013, at 5:54 PM, Branden Christensen <
>>> [email protected]> wrote:
>>> >
>>> >> grdmath: (/opt/shakemap2/bin/../data/9583161/output/hwxDhIWuGY.xy)
>>> PDIST 27.47 HYPOT = /opt/shakemap2/bin/../data/9583161/output/D7FwNIcwDT.grd
>>> >> *** buffer overflow detected ***: /usr/lib/gmt/bin/grdmath terminated
>>> >
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