Re: [GRASS-user] r.watershed crashing grass.

[Hamish]

> >> Hamish said this is a generic memory problem on MS windows
> >> (vista).
> Hamish wrote:
> > eh? my point was mearly that there are some existing
> > memory bugs which haven't been fixed yet as they only
> > present themselves when run under MS Windows, and we are
> > just starting to discover those as more people try native
> > WinGrass.
> > 
> > I've got no idea if this problem belongs to that class
> > or not, nor if XP vs. Vista makes any difference to GRASS.
> > Just that Valgrind is a nice tool for helping to deal to
> > bugs stemming from memory code mistakes, or clearing that
> > as a suspected cause.
MM:  
> "Hamish suggested that this may be a generic problem on MS
> windows (vista)" might have been better phrasing. Sorry for
> misinterpreting your words!

sorry to harp on about semantics, but "generic" may imply a
systemic or underlying fundamental flaw. AFAIK there is no
problem like that. in this case it is just a "common" small
coding bug which a few random modules have & await fixes for.
e.g. r.los was already fixed AFAIK. and it has nothing to do
with the version of ms windows used.


Hamish





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Re: [GRASS-user] r.watershed crashing grass.

[Glynn Clements]

Milton Cezar Ribeiro wrote:

> Just suppose I start Msys. Is there a way of i know if (1) my compiled
> version of grass support 64bits? or (2) if my gcc etc support 64bits?

Unless you went to a lot of trouble to track down, compile, and
install a 64-bit version of MinGW, you can safely assume that neither
GRASS nor gcc are 64-bit.

-- 
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Re: [GRASS-user] r.watershed crashing grass.

[Milton Cezar Ribeiro]

Hi Glynn

Just suppose I start Msys. Is there a way of i know if (1) my compiled
version of grass support 64bits? or (2) if my gcc etc support 64bits?

Thanks a million..

milton

2009/7/26 Glynn Clements 

>
> Markus Neteler wrote:
>
> > > In fact I have a dell machine, with Vista 64bits that came with the
> machine.
> > > I compiled grass 64 svn using Msys. Is there a way of I know if my
> grass are
> > > running with 64bits? By the way, what I need to change to have sure
> that
> > > grass was compiled to 64bits?
> >
> > Did you enable it?
> > --enable-64bit
> > for configure...
>
> That switch doesn't do anything on Windows. Or on Linux, for that
> matter. It is only used on (some versions of) AIX, HP/UX, Irix, and
> Solaris.
>
> If you want 64-bit Windows executables, you would need 64-bit versions
> of gcc and binutils.
>
> --
> Glynn Clements 
>
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Re: [GRASS-user] r.watershed crashing grass.

[Glynn Clements]

Markus Neteler wrote:

> > In fact I have a dell machine, with Vista 64bits that came with the machine.
> > I compiled grass 64 svn using Msys. Is there a way of I know if my grass are
> > running with 64bits? By the way, what I need to change to have sure that
> > grass was compiled to 64bits?
> 
> Did you enable it?
> --enable-64bit
> for configure...

That switch doesn't do anything on Windows. Or on Linux, for that
matter. It is only used on (some versions of) AIX, HP/UX, Irix, and
Solaris.

If you want 64-bit Windows executables, you would need 64-bit versions
of gcc and binutils.

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Re: [GRASS-user] r.watershed crashing grass.

[Markus Neteler]

On Sat, Jul 25, 2009 at 5:45 PM, Milton Cezar
Ribeiro wrote:
> Hi all,
>
> In fact I have a dell machine, with Vista 64bits that came with the machine.
> I compiled grass 64 svn using Msys. Is there a way of I know if my grass are
> running with 64bits? By the way, what I need to change to have sure that
> grass was compiled to 64bits?

Did you enable it?
--enable-64bit
for configure...

Markus
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Re: [GRASS-user] r.watershed crashing grass.

[Milton Cezar Ribeiro]

Hi all,

In fact I have a dell machine, with Vista 64bits that came with the machine.
I compiled grass 64 svn using Msys. Is there a way of I know if my grass are
running with 64bits? By the way, what I need to change to have sure that
grass was compiled to 64bits?

Yesterday I preloaded about 2.5 Gb on memory, and started the r.watershed
again. I monitored the memory usage on Task Manager, and I perfeived that
memory usage gone ~4Gb. So it make me think that 2.5+(~)1.6 (suggested by
Markus?)= ~4Gb. So my system are going behind 3Gbs without problem. But I am
not sure grass do.

Thanks for your time

milton

2009/7/25 Nikos Alexandris 

>
> Milton Cezar Ribeiro wrote:
>
> > > On several trying the system goes only up to 3GB, but I have 6Gb.
>
> Markus Metz wrote:
>
> > is grass compiled as 32bit or 64bit? 32bit applications can't use all
> > 6GB of memory, only up to about 3GB.
>
> Milton,
>
> you mention you have 6GB of RAM. I assume that you know a 64-bit
> Operating System (besides the applications being 64-bit) is required to
> break the 3GB RAM limit.
>
> * If you bought the machine with 6GB already equipped then they _must_
> have installed the 64-bit version of sVista [*]. Then follow Markus'
> suggestions.
>
> * If you did a RAM upgrade by yourself (e.g. from 2GB to 6GB) then did
> you check that you have a 64-bit sVista?
>
> Nikos
> ---
>
> [*] svista means in greek "erase them" ;-p
>
>
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Re: [GRASS-user] r.watershed crashing grass.

[Markus Metz]

Hamish wrote:

Hamish said this is a generic memory problem on MS windows
(vista).




eh? my point was mearly that there are some existing memory bugs
which haven't been fixed yet as they only present themselves when
run under MS Windows, and we are just starting to discover those
as more people try native WinGrass.

I've got no idea if this problem belongs to that class or not,
nor if XP vs. Vista makes any difference to GRASS. Just that
Valgrind is a nice tool for helping to deal to bugs stemming
from memory code mistakes, or clearing that as a suspected
cause.
  
"Hamish suggested that this may be a generic problem on MS windows 
(vista)" might have been better phrasing. Sorry for misinterpreting your 
words!


In this particular case, it may be a problem of a 32bit application 
running on a 64bit system with more than 3GB RAM, causing rather ugly 
out-of-memory errors because the 32bit application requesting more 
memory can't handle the memory returned by the OS. Just a wild guess, 
maybe a windows developer can say more about it.


Markus

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Re: [GRASS-user] r.watershed crashing grass.

[Hamish]

> Hamish said this is a generic memory problem on MS windows
> (vista).


eh? my point was mearly that there are some existing memory bugs
which haven't been fixed yet as they only present themselves when
run under MS Windows, and we are just starting to discover those
as more people try native WinGrass.

I've got no idea if this problem belongs to that class or not,
nor if XP vs. Vista makes any difference to GRASS. Just that
Valgrind is a nice tool for helping to deal to bugs stemming
from memory code mistakes, or clearing that as a suspected
cause.


Hamish



  

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Re: [GRASS-user] r.watershed crashing grass.

[Nikos Alexandris]

Milton Cezar Ribeiro wrote:

> > On several trying the system goes only up to 3GB, but I have 6Gb.

Markus Metz wrote:

> is grass compiled as 32bit or 64bit? 32bit applications can't use all 
> 6GB of memory, only up to about 3GB.

Milton,

you mention you have 6GB of RAM. I assume that you know a 64-bit
Operating System (besides the applications being 64-bit) is required to
break the 3GB RAM limit.

* If you bought the machine with 6GB already equipped then they _must_
have installed the 64-bit version of sVista [*]. Then follow Markus'
suggestions.

* If you did a RAM upgrade by yourself (e.g. from 2GB to 6GB) then did
you check that you have a 64-bit sVista?

Nikos
---

[*] svista means in greek "erase them" ;-p

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Re: [GRASS-user] r.watershed crashing grass.

[Markus Metz]

Milton Cezar Ribeiro wrote:

Hi Markus,
 
My system start with 1.5GB of memory usage,

vista waste

considering that
grass are loaded on memory,

not much

and my mapset is also loaded.

not loaded to memory

When I start the r.watershed, my system go up to 3.0GB, remain
running for few minutes, and then give the error that I reported,
and them release the memory. On several trying the system
goes only up to 3GB, but I have 6Gb.
is grass compiled as 32bit or 64bit? 32bit applications can't use all 
6GB of memory, only up to about 3GB.

So my "-m memory=4096"
not make sense. In fact 3-1.5 = ~ 1.5GB as you suggested.
 
Any other idea?
Not really, only diagnostics: the G_malloc error was caused by the 
segment library, not r.watershed directly.


Hamish said this is a generic memory problem on MS windows (vista).
I would 1) close grass, 2) reboot windows, 3) make distclean, configure, 
make, 4) check if it's now working, 5) if not check if a similar bug has 
been already reported, file a new bug if necessary, give up and have a 
nice weekend, IOW I'm out of ideas, sorry!


Markus

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Re: [GRASS-user] r.watershed crashing grass.

[Milton Cezar Ribeiro]

Hi Markus,

My system start with 1.5GB of memory usage, considering that
grass are loaded on memory, and my mapset is also loaded.
When I start the r.watershed, my system go up to 3.0GB, remain
running for few minutes, and then give the error that I reported,
and them release the memory. On several trying the system
goes only up to 3GB, but I have 6Gb. So my "-m memory=4096"
not make sense. In fact 3-1.5 = ~ 1.5GB as you suggested.

Any other idea?

cheers

milton

2009/7/25 Markus Metz 

>
> Milton Cezar Ribeiro wrote:
>
>> Hi Markus,
>>  Thanks for the tips. In fact I made a mistake, because I thought that
>> with "-m 4096" I was setting 4GB of memory, and unfortunatelly I not payed
>> attention on memory=4096. Anyway, I tryed with both your suggestions (with
>> and without -m memory=4096" and still ger error:
>> ---
>> GRASS 6.4.0svn (newLocation):c:/Users/famiglia > r.watershed.exe -m
>> memory=4096 elevation=FabioASTGTM_S2526W049
>> 48_dem stream=FabioASTGTM_S2526W04948_dem_rwatershed_stream_thres0100
>> threshold=100 --o --v
>> SECTION 1 beginning: Initiating Variables. 5 sections total.
>> ERROR: G_malloc: unable to allocate 80 bytes at setup.c:64
>>
> Very very strange. Not even 781 KB of memory left? I don't know Vista very
> well, but I guess there is some sort of task manager where you can watch
> memory consumption. What does it say, is there still enough free memory
> available? Anyway, r.watershed should go into swap space (virtual memory) if
> there is not enough RAM free.
>
> Can you do any other operations on the DEM and the given region, e.g.
> resampling or neighborhood filter or something like that?
>
> Maybe there is a problem with your compilation of grass6.4.0.svn? Is
> everything compiled with msys? There were quite a few posts in the list
> about vista problems, maybe you find some hints there. I'm only using Linux,
> can't help there.
>
> Markus
>
>  WARNING: Subprocess failed with exit code 1
>> WARNING: category information for
>> [FabioASTGTM_S2526W04948_dem_rwatershed_stream_thres0100] in
>> [PERMANENT] missing or invalid
>> -
>> Any other suggestions?
>>  milton
>>  2009/7/25 Markus Metz > markus.metz.gisw...@googlemail.com>>
>>
>>
>>Try to run it all in memory:
>>r.watershed.exe elevation=FabioASTGTM_S2526W04948_dem
>>stream=FabioASTGTM_S2526W04948_dem_rwatershed_stream_thres0100
>>threshold=100 --o
>>
>>Should finish in a few minutes.
>>
>>Where is this 4096 coming from in the original command? Should
>>that be memory=4096?
>>r.watershed.exe -m memory=4096
>>elevation=FabioASTGTM_S2526W04948_dem
>>stream=FabioASTGTM_S2526W04948_dem_rwatershed_stream_thres0100
>>threshold=100 --o
>>
>>How far did it get? There are usually message like SECTION 1:,
>>SECTION 2:, SECTION 3: etc.
>>
>>Markus M
>>
>>
>>
>>Milton Cezar Ribeiro wrote:
>>
>>Dear all,
>> I am trying run a r.watershed command with one 7200x7200 DEM map.
>>But after one day running, the system crash without finish the
>>output generation.
>>Please, see below (2 warnings before crash).
>>By the way I am running grass 6.4.0 SVN (rc4?) under Msys/Vista
>>on a 6Gb/64 bits machine.
>> Thanks for the help,
>> milton
>>===
>>GRASS 6.4.0svn (newLocation):c:/Users/famiglia > g.region -p
>>projection: 0 (x,y)
>>zone:   0
>>north:  -23.99986111
>>south:  -26.00013889
>>west:   -49.00013889
>>east:   -46.99986111
>>nsres:  0.00027778
>>ewres:  0.00027778
>>rows:   7201
>>cols:   7201
>>cells:  51854401
>>  GRASS 6.4.0svn > g.region rast=FabioASTGTM_S2526W04948_dem
>>GRASS 6.4.0svn > r.watershed.exe -m 4096
>>elevation=FabioASTGTM_S2526W04948_dem
>>stream=FabioASTGTM_S2526W04948_dem_rwatershed_stream_thres0100
>>threshold=100 --o
>> WARNING: Subprocess failed with exit code 255
>>WARNING: category information for
>>
>>  [FabioASTGTM_S2526W04948_dem_rwatershed_stream_thres0100] in
>>[PERMANENT] missing or invalid
>>
>>
>>
>>
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Re: [GRASS-user] r.watershed crashing grass.

[Hamish]

Markus Metz wrote:
> There were quite a few posts in the list about vista problems,
> maybe you find some hints there. I'm only using Linux, can't
> help there.

IIRC it was more generic memory problems which only showed up on
MS Windows. In those cases valgrind reported errors, just on
Linux they end up being benign. 

e.g. r.los (apparently fixed by Ben?), v.out.ogr not working in
current WinGrass (!!!), r.sim.water, details + maybe more 
modules listed in the bug tracker (search on the wingrass
keyword).


Other wingrass problems seem to be mostly packaging issues.


Hamish



  

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Re: [GRASS-user] r.watershed crashing grass.

[Markus Metz]

Milton Cezar Ribeiro wrote:

Hi Markus,
 
Thanks for the tips. In fact I made a mistake, because I thought that 
with "-m 4096" I was setting 4GB of memory, and unfortunatelly I not 
payed attention on memory=4096. Anyway, I tryed with both your 
suggestions (with and without -m memory=4096" and still ger error:

---
GRASS 6.4.0svn (newLocation):c:/Users/famiglia > r.watershed.exe -m 
memory=4096 elevation=FabioASTGTM_S2526W049
48_dem stream=FabioASTGTM_S2526W04948_dem_rwatershed_stream_thres0100 
threshold=100 --o --v

SECTION 1 beginning: Initiating Variables. 5 sections total.
ERROR: G_malloc: unable to allocate 80 bytes at setup.c:64
Very very strange. Not even 781 KB of memory left? I don't know Vista 
very well, but I guess there is some sort of task manager where you can 
watch memory consumption. What does it say, is there still enough free 
memory available? Anyway, r.watershed should go into swap space (virtual 
memory) if there is not enough RAM free.


Can you do any other operations on the DEM and the given region, e.g. 
resampling or neighborhood filter or something like that?


Maybe there is a problem with your compilation of grass6.4.0.svn? Is 
everything compiled with msys? There were quite a few posts in the list 
about vista problems, maybe you find some hints there. I'm only using 
Linux, can't help there.


Markus


WARNING: Subprocess failed with exit code 1
WARNING: category information for
 [FabioASTGTM_S2526W04948_dem_rwatershed_stream_thres0100] in
 [PERMANENT] missing or invalid
-
Any other suggestions?
 
milton
 
2009/7/25 Markus Metz >


Try to run it all in memory:
r.watershed.exe elevation=FabioASTGTM_S2526W04948_dem
stream=FabioASTGTM_S2526W04948_dem_rwatershed_stream_thres0100
threshold=100 --o

Should finish in a few minutes.

Where is this 4096 coming from in the original command? Should
that be memory=4096?
r.watershed.exe -m memory=4096
elevation=FabioASTGTM_S2526W04948_dem
stream=FabioASTGTM_S2526W04948_dem_rwatershed_stream_thres0100
threshold=100 --o

How far did it get? There are usually message like SECTION 1:,
SECTION 2:, SECTION 3: etc.

Markus M



Milton Cezar Ribeiro wrote:

Dear all,
 I am trying run a r.watershed command with one 7200x7200 DEM map.
But after one day running, the system crash without finish the
output generation.
Please, see below (2 warnings before crash).
By the way I am running grass 6.4.0 SVN (rc4?) under Msys/Vista
on a 6Gb/64 bits machine.
 Thanks for the help,
 milton
===
GRASS 6.4.0svn (newLocation):c:/Users/famiglia > g.region -p
projection: 0 (x,y)
zone:   0
north:  -23.99986111
south:  -26.00013889
west:   -49.00013889
east:   -46.99986111
nsres:  0.00027778
ewres:  0.00027778
rows:   7201
cols:   7201
cells:  51854401
  GRASS 6.4.0svn > g.region rast=FabioASTGTM_S2526W04948_dem
GRASS 6.4.0svn > r.watershed.exe -m 4096
elevation=FabioASTGTM_S2526W04948_dem
stream=FabioASTGTM_S2526W04948_dem_rwatershed_stream_thres0100
threshold=100 --o
 WARNING: Subprocess failed with exit code 255
WARNING: category information for
   
[FabioASTGTM_S2526W04948_dem_rwatershed_stream_thres0100] in

[PERMANENT] missing or invalid




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Re: [GRASS-user] r.watershed crashing grass.

[Milton Cezar Ribeiro]

Hi Markus,

Thanks for the tips. In fact I made a mistake, because I thought that with
"-m 4096" I was setting 4GB of memory, and unfortunatelly I not payed
attention on memory=4096. Anyway, I tryed with both your suggestions (with
and without -m memory=4096" and still ger error:
---
GRASS 6.4.0svn (newLocation):c:/Users/famiglia > r.watershed.exe -m
memory=4096 elevation=FabioASTGTM_S2526W049
48_dem stream=FabioASTGTM_S2526W04948_dem_rwatershed_stream_thres0100
threshold=100 --o --v
SECTION 1 beginning: Initiating Variables. 5 sections total.
ERROR: G_malloc: unable to allocate 80 bytes at setup.c:64
WARNING: Subprocess failed with exit code 1
WARNING: category information for
 [FabioASTGTM_S2526W04948_dem_rwatershed_stream_thres0100] in
 [PERMANENT] missing or invalid
-
Any other suggestions?

milton

2009/7/25 Markus Metz 

> Try to run it all in memory:
> r.watershed.exe elevation=FabioASTGTM_S2526W04948_dem
> stream=FabioASTGTM_S2526W04948_dem_rwatershed_stream_thres0100 threshold=100
> --o
>
> Should finish in a few minutes.
>
> Where is this 4096 coming from in the original command? Should that be
> memory=4096?
> r.watershed.exe -m memory=4096 elevation=FabioASTGTM_S2526W04948_dem
> stream=FabioASTGTM_S2526W04948_dem_rwatershed_stream_thres0100 threshold=100
> --o
>
> How far did it get? There are usually message like SECTION 1:, SECTION 2:,
> SECTION 3: etc.
>
> Markus M
>
>
>
> Milton Cezar Ribeiro wrote:
>
>> Dear all,
>>  I am trying run a r.watershed command with one 7200x7200 DEM map.
>> But after one day running, the system crash without finish the output
>> generation.
>> Please, see below (2 warnings before crash).
>> By the way I am running grass 6.4.0 SVN (rc4?) under Msys/Vista
>> on a 6Gb/64 bits machine.
>>  Thanks for the help,
>>  milton
>> ===
>> GRASS 6.4.0svn (newLocation):c:/Users/famiglia > g.region -p
>> projection: 0 (x,y)
>> zone:   0
>> north:  -23.99986111
>> south:  -26.00013889
>> west:   -49.00013889
>> east:   -46.99986111
>> nsres:  0.00027778
>> ewres:  0.00027778
>> rows:   7201
>> cols:   7201
>> cells:  51854401
>>   GRASS 6.4.0svn > g.region rast=FabioASTGTM_S2526W04948_dem
>> GRASS 6.4.0svn > r.watershed.exe -m 4096
>> elevation=FabioASTGTM_S2526W04948_dem
>> stream=FabioASTGTM_S2526W04948_dem_rwatershed_stream_thres0100 threshold=100
>> --o
>>  WARNING: Subprocess failed with exit code 255
>> WARNING: category information for
>> [FabioASTGTM_S2526W04948_dem_rwatershed_stream_thres0100] in
>> [PERMANENT] missing or invalid
>>
>
>
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Re: [GRASS-user] r.watershed crashing grass.

[Markus Metz]

With 7201 rows x 7201 columns, the in-memory version should use at most 
1.6GB of RAM. There should be no problem running it all in memory (no -m 
4096) on a machine with 6GB.


Markus M


Milton Cezar Ribeiro wrote:

Dear all,
 
I am trying run a r.watershed command with one 7200x7200 DEM map.
But after one day running, the system crash without finish the output 
generation.

Please, see below (2 warnings before crash).
By the way I am running grass 6.4.0 SVN (rc4?) under Msys/Vista
on a 6Gb/64 bits machine.
 
Thanks for the help,
 
milton

===
GRASS 6.4.0svn (newLocation):c:/Users/famiglia > g.region -p
projection: 0 (x,y)
zone:   0
north:  -23.99986111
south:  -26.00013889
west:   -49.00013889
east:   -46.99986111
nsres:  0.00027778
ewres:  0.00027778
rows:   7201
cols:   7201
cells:  51854401
 
 
GRASS 6.4.0svn > g.region rast=FabioASTGTM_S2526W04948_dem
GRASS 6.4.0svn > r.watershed.exe -m 4096 
elevation=FabioASTGTM_S2526W04948_dem 
stream=FabioASTGTM_S2526W04948_dem_rwatershed_stream_thres0100 
threshold=100 --o

 WARNING: Subprocess failed with exit code 255
WARNING: category information for
 [FabioASTGTM_S2526W04948_dem_rwatershed_stream_thres0100] in
 [PERMANENT] missing or invalid
 
 



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Re: [GRASS-user] r.watershed crashing grass.

[Markus Metz]

Try to run it all in memory:
r.watershed.exe elevation=FabioASTGTM_S2526W04948_dem 
stream=FabioASTGTM_S2526W04948_dem_rwatershed_stream_thres0100 
threshold=100 --o


Should finish in a few minutes.

Where is this 4096 coming from in the original command? Should that be 
memory=4096?
r.watershed.exe -m memory=4096 elevation=FabioASTGTM_S2526W04948_dem 
stream=FabioASTGTM_S2526W04948_dem_rwatershed_stream_thres0100 
threshold=100 --o


How far did it get? There are usually message like SECTION 1:, SECTION 
2:, SECTION 3: etc.


Markus M


Milton Cezar Ribeiro wrote:

Dear all,
 
I am trying run a r.watershed command with one 7200x7200 DEM map.
But after one day running, the system crash without finish the output 
generation.

Please, see below (2 warnings before crash).
By the way I am running grass 6.4.0 SVN (rc4?) under Msys/Vista
on a 6Gb/64 bits machine.
 
Thanks for the help,
 
milton

===
GRASS 6.4.0svn (newLocation):c:/Users/famiglia > g.region -p
projection: 0 (x,y)
zone:   0
north:  -23.99986111
south:  -26.00013889
west:   -49.00013889
east:   -46.99986111
nsres:  0.00027778
ewres:  0.00027778
rows:   7201
cols:   7201
cells:  51854401
 
 
GRASS 6.4.0svn > g.region rast=FabioASTGTM_S2526W04948_dem
GRASS 6.4.0svn > r.watershed.exe -m 4096 
elevation=FabioASTGTM_S2526W04948_dem 
stream=FabioASTGTM_S2526W04948_dem_rwatershed_stream_thres0100 
threshold=100 --o

 WARNING: Subprocess failed with exit code 255
WARNING: category information for
 [FabioASTGTM_S2526W04948_dem_rwatershed_stream_thres0100] in
 [PERMANENT] missing or invalid


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Re: [GRASS-user] r.watershed crashing grass.

[Milton Cezar Ribeiro]

Hi Jarek,

I downloaded and compiled grass 6.4 SVN last week. So I suppose my version
is not so old.
Is there a way of I know the version of a r.(command)?

May be some issue with Vista (again!) ?
Thanks for the reply

milton
2009/7/25 Jarek Jasiewicz 

>
>
>
> Milton Cezar Ribeiro pisze:
>
>> Dear all,
>>  I am trying run a r.watershed command with one 7200x7200 DEM map.
>> But after one day running, the system crash without finish the output
>> generation.
>> Please, see below (2 warnings before crash).
>>
> little strange, I run r.watershed (but on ubuntu not windows) with raster
> file 4500 x5000 and it takes no more than 2 minutes.
> Tell us more about grass version you use (probably you use old version of
> r.watershed)
> Jarek
>
>> By the way I am running grass 6.4.0 SVN (rc4?) under Msys/Vista
>> on a 6Gb/64 bits machine.
>>  Thanks for the help,
>>  milton
>> ===
>> GRASS 6.4.0svn (newLocation):c:/Users/famiglia > g.region -p
>> projection: 0 (x,y)
>> zone:   0
>> north:  -23.99986111
>> south:  -26.00013889
>> west:   -49.00013889
>> east:   -46.99986111
>> nsres:  0.00027778
>> ewres:  0.00027778
>> rows:   7201
>> cols:   7201
>> cells:  51854401
>>   GRASS 6.4.0svn > g.region rast=FabioASTGTM_S2526W04948_dem
>> GRASS 6.4.0svn > r.watershed.exe -m 4096
>> elevation=FabioASTGTM_S2526W04948_dem
>> stream=FabioASTGTM_S2526W04948_dem_rwatershed_stream_thres0100 threshold=100
>> --o
>>  WARNING: Subprocess failed with exit code 255
>> WARNING: category information for
>> [FabioASTGTM_S2526W04948_dem_rwatershed_stream_thres0100] in
>> [PERMANENT] missing or invalid
>>   
>>
>>
>> ___
>> grass-user mailing list
>> grass-user@lists.osgeo.org
>> http://lists.osgeo.org/mailman/listinfo/grass-user
>>
>>
>
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Re: [GRASS-user] r.watershed crashing grass.

[Jarek Jasiewicz]

Milton Cezar Ribeiro pisze:

Dear all,
 
I am trying run a r.watershed command with one 7200x7200 DEM map.
But after one day running, the system crash without finish the output 
generation.

Please, see below (2 warnings before crash).
little strange, I run r.watershed (but on ubuntu not windows) with 
raster file 4500 x5000 and it takes no more than 2 minutes.
Tell us more about grass version you use (probably you use old version 
of r.watershed)

Jarek

By the way I am running grass 6.4.0 SVN (rc4?) under Msys/Vista
on a 6Gb/64 bits machine.
 
Thanks for the help,
 
milton

===
GRASS 6.4.0svn (newLocation):c:/Users/famiglia > g.region -p
projection: 0 (x,y)
zone:   0
north:  -23.99986111
south:  -26.00013889
west:   -49.00013889
east:   -46.99986111
nsres:  0.00027778
ewres:  0.00027778
rows:   7201
cols:   7201
cells:  51854401
 
 
GRASS 6.4.0svn > g.region rast=FabioASTGTM_S2526W04948_dem
GRASS 6.4.0svn > r.watershed.exe -m 4096 
elevation=FabioASTGTM_S2526W04948_dem 
stream=FabioASTGTM_S2526W04948_dem_rwatershed_stream_thres0100 
threshold=100 --o

 WARNING: Subprocess failed with exit code 255
WARNING: category information for
 [FabioASTGTM_S2526W04948_dem_rwatershed_stream_thres0100] in
 [PERMANENT] missing or invalid
 
 



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Re: [GRASS-user] r.watershed crashing grass.

[stephen sefick]

I will look tomorrow, but I think it was about 1000x1000.
hth

Stephen Sefick

On Fri, Jul 24, 2009 at 9:47 PM, Milton Cezar
Ribeiro wrote:
> Hi Stephen,
>
> Thanks for your reply.
> I thank the disk space is not problem because I still have 100Gb free.
> What was the dimension (row and columns) that you got success?!
> May be 7200x7200 is to large.  (?)
>
> Cheers
>
> milton
>
> 2009/7/24 stephen sefick 
>>
>> Do you have enough hard disk space?  I have had a problem running
>> r.watershed on very large datasets (my computer is much more modest).
>> I have had luck resampling the data to a larger resolution and then
>> running r.watershed.  r.watershed crashes at 10m res but will run just
>> fine at 50m.  1GB RAM.
>>
>> Stephen Sefick
>>
>> On Fri, Jul 24, 2009 at 5:57 PM, Milton Cezar
>> Ribeiro wrote:
>> > Dear all,
>> >
>> > I am trying run a r.watershed command with one 7200x7200 DEM map.
>> > But after one day running, the system crash without finish the output
>> > generation.
>> > Please, see below (2 warnings before crash).
>> > By the way I am running grass 6.4.0 SVN (rc4?) under Msys/Vista
>> > on a 6Gb/64 bits machine.
>> >
>> > Thanks for the help,
>> >
>> > milton
>> > ===
>> > GRASS 6.4.0svn (newLocation):c:/Users/famiglia > g.region -p
>> > projection: 0 (x,y)
>> > zone:   0
>> > north:  -23.99986111
>> > south:  -26.00013889
>> > west:   -49.00013889
>> > east:   -46.99986111
>> > nsres:  0.00027778
>> > ewres:  0.00027778
>> > rows:   7201
>> > cols:   7201
>> > cells:  51854401
>> >
>> >
>> > GRASS 6.4.0svn > g.region rast=FabioASTGTM_S2526W04948_dem
>> > GRASS 6.4.0svn > r.watershed.exe -m 4096
>> > elevation=FabioASTGTM_S2526W04948_dem
>> > stream=FabioASTGTM_S2526W04948_dem_rwatershed_stream_thres0100
>> > threshold=100
>> > --o
>> >  WARNING: Subprocess failed with exit code 255
>> > WARNING: category information for
>> >  [FabioASTGTM_S2526W04948_dem_rwatershed_stream_thres0100] in
>> >  [PERMANENT] missing or invalid
>> >
>> >
>> > ___
>> > grass-user mailing list
>> > grass-user@lists.osgeo.org
>> > http://lists.osgeo.org/mailman/listinfo/grass-user
>> >
>> >
>>
>>
>>
>> --
>> Stephen Sefick
>>
>> Let's not spend our time and resources thinking about things that are
>> so little or so large that all they really do for us is puff us up and
>> make us feel like gods.  We are mammals, and have not exhausted the
>> annoying little problems of being mammals.
>>
>>                                                                -K. Mullis
>
>



-- 
Stephen Sefick

Let's not spend our time and resources thinking about things that are
so little or so large that all they really do for us is puff us up and
make us feel like gods.  We are mammals, and have not exhausted the
annoying little problems of being mammals.

-K. Mullis
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Re: [GRASS-user] r.watershed crashing grass.

[Milton Cezar Ribeiro]

Hi Stephen,

Thanks for your reply.
I thank the disk space is not problem because I still have 100Gb free.
What was the dimension (row and columns) that you got success?!
May be 7200x7200 is to large.  (?)

Cheers

milton

2009/7/24 stephen sefick 

> Do you have enough hard disk space?  I have had a problem running
> r.watershed on very large datasets (my computer is much more modest).
> I have had luck resampling the data to a larger resolution and then
> running r.watershed.  r.watershed crashes at 10m res but will run just
> fine at 50m.  1GB RAM.
>
> Stephen Sefick
>
> On Fri, Jul 24, 2009 at 5:57 PM, Milton Cezar
> Ribeiro wrote:
> > Dear all,
> >
> > I am trying run a r.watershed command with one 7200x7200 DEM map.
> > But after one day running, the system crash without finish the output
> > generation.
> > Please, see below (2 warnings before crash).
> > By the way I am running grass 6.4.0 SVN (rc4?) under Msys/Vista
> > on a 6Gb/64 bits machine.
> >
> > Thanks for the help,
> >
> > milton
> > ===
> > GRASS 6.4.0svn (newLocation):c:/Users/famiglia > g.region -p
> > projection: 0 (x,y)
> > zone:   0
> > north:  -23.99986111
> > south:  -26.00013889
> > west:   -49.00013889
> > east:   -46.99986111
> > nsres:  0.00027778
> > ewres:  0.00027778
> > rows:   7201
> > cols:   7201
> > cells:  51854401
> >
> >
> > GRASS 6.4.0svn > g.region rast=FabioASTGTM_S2526W04948_dem
> > GRASS 6.4.0svn > r.watershed.exe -m 4096
> > elevation=FabioASTGTM_S2526W04948_dem
> > stream=FabioASTGTM_S2526W04948_dem_rwatershed_stream_thres0100
> threshold=100
> > --o
> >  WARNING: Subprocess failed with exit code 255
> > WARNING: category information for
> >  [FabioASTGTM_S2526W04948_dem_rwatershed_stream_thres0100] in
> >  [PERMANENT] missing or invalid
> >
> >
> > ___
> > grass-user mailing list
> > grass-user@lists.osgeo.org
> > http://lists.osgeo.org/mailman/listinfo/grass-user
> >
> >
>
>
>
> --
> Stephen Sefick
>
> Let's not spend our time and resources thinking about things that are
> so little or so large that all they really do for us is puff us up and
> make us feel like gods.  We are mammals, and have not exhausted the
> annoying little problems of being mammals.
>
>-K. Mullis
>
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Re: [GRASS-user] r.watershed crashing grass.

[stephen sefick]

Do you have enough hard disk space?  I have had a problem running
r.watershed on very large datasets (my computer is much more modest).
I have had luck resampling the data to a larger resolution and then
running r.watershed.  r.watershed crashes at 10m res but will run just
fine at 50m.  1GB RAM.

Stephen Sefick

On Fri, Jul 24, 2009 at 5:57 PM, Milton Cezar
Ribeiro wrote:
> Dear all,
>
> I am trying run a r.watershed command with one 7200x7200 DEM map.
> But after one day running, the system crash without finish the output
> generation.
> Please, see below (2 warnings before crash).
> By the way I am running grass 6.4.0 SVN (rc4?) under Msys/Vista
> on a 6Gb/64 bits machine.
>
> Thanks for the help,
>
> milton
> ===
> GRASS 6.4.0svn (newLocation):c:/Users/famiglia > g.region -p
> projection: 0 (x,y)
> zone:   0
> north:  -23.99986111
> south:  -26.00013889
> west:   -49.00013889
> east:   -46.99986111
> nsres:  0.00027778
> ewres:  0.00027778
> rows:   7201
> cols:   7201
> cells:  51854401
>
>
> GRASS 6.4.0svn > g.region rast=FabioASTGTM_S2526W04948_dem
> GRASS 6.4.0svn > r.watershed.exe -m 4096
> elevation=FabioASTGTM_S2526W04948_dem
> stream=FabioASTGTM_S2526W04948_dem_rwatershed_stream_thres0100 threshold=100
> --o
>  WARNING: Subprocess failed with exit code 255
> WARNING: category information for
>  [FabioASTGTM_S2526W04948_dem_rwatershed_stream_thres0100] in
>  [PERMANENT] missing or invalid
>
>
> ___
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>
>



-- 
Stephen Sefick

Let's not spend our time and resources thinking about things that are
so little or so large that all they really do for us is puff us up and
make us feel like gods.  We are mammals, and have not exhausted the
annoying little problems of being mammals.

-K. Mullis
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