Comment 12 for bug 1218842

Ok the patch is pushed.
and should be distributed with any new attempt to install the code.
(But for the short period between the time where the UCL server will be up again, and the update of that cluster)

Cheers and thanks again,

Olivier

On Nov 28, 2013, at 11:50 PM, Olivier Mattelaer <email address hidden> wrote:

> Excellent :-)
>
> I will push this fix thanks so so much.
>
> Olivier
> On Nov 28, 2013, at 1:06 PM, Pavel Demin <email address hidden> wrote:
>
>> As a fast fix, I've replaced xdr_getpos/xdr_setpos with ftello/fseeko in
>> some of the mcfio files and set the type of the position variables to
>> off_t.
>>
>> Now I can generate a 5GB STDHEP file and it does not get corrupted.
>>
>> Here is a list of modified files in pythia-pgs/libraries/PGS4/src
>> /stdhep-dir/mcfio/src:
>>
>> mcfio_Block.c
>> mcfio_Direct.c
>> mcfio_Util1.c
>> mcf_NTuIOFiles.c
>> mcf_xdr.h
>>
>> You can install the modified files with the following commands:
>>
>> cd pythia-pgs/libraries/PGS4/src/stdhep-dir/mcfio/src
>> wget http://cp3.irmp.ucl.ac.be/downloads/pythia-pgs-mcfio-files.tgz
>> tar -vzxf pythia-pgs-mcfio-files.tgz
>>
>> Could you, please commit these modifications to the pythia-pgs
>> repository?
>>
>> --
>> You received this bug notification because you are a member of MadTeam,
>> which is subscribed to MadGraph5.
>> https://bugs.launchpad.net/bugs/1218842
>>
>> Title:
>> STDHEP files larger than 4GB are corrupted
>>
>> Status in The MadGraph Matrix Element Generator version 5:
>> Confirmed
>>
>> Bug description:
>> I've just tested several STDHEP files produced by MG+HERWIG6.
>>
>> I've tested 50MB, 3.3GB and 4.0GB files.
>>
>> The 50MB and 3.3GB files can be read without any problem.
>>
>> The 4.0GB file can't be read.
>>
>> In the 4.0GB file, already the 2nd block has a block ID number equal
>> 2. Normally, it should be 4 (Event Header). The following blocks have
>> completely wrong block ID numbers. So, I'd say that it's corrupted
>> from the very beginning.
>>
>> In some cases, adding the following compilation flag helps:
>>
>> -D_FILE_OFFSET_BITS=64
>>
>> Normally, the STDHEP library and maybe the PYTHIA and HERWIG
>> interfaces should be compiled with this flag.
>>
>> If you can tell me where to put this flag, I can redo the test.
>>
>> To manage notifications about this bug go to:
>> https://bugs.launchpad.net/madgraph5/+bug/1218842/+subscriptions
>
> --
> You received this bug notification because you are a member of MadTeam,
> which is subscribed to MadGraph5.
> https://bugs.launchpad.net/bugs/1218842
>
> Title:
> STDHEP files larger than 4GB are corrupted
>
> Status in The MadGraph Matrix Element Generator version 5:
> Confirmed
>
> Bug description:
> I've just tested several STDHEP files produced by MG+HERWIG6.
>
> I've tested 50MB, 3.3GB and 4.0GB files.
>
> The 50MB and 3.3GB files can be read without any problem.
>
> The 4.0GB file can't be read.
>
> In the 4.0GB file, already the 2nd block has a block ID number equal
> 2. Normally, it should be 4 (Event Header). The following blocks have
> completely wrong block ID numbers. So, I'd say that it's corrupted
> from the very beginning.
>
> In some cases, adding the following compilation flag helps:
>
> -D_FILE_OFFSET_BITS=64
>
> Normally, the STDHEP library and maybe the PYTHIA and HERWIG
> interfaces should be compiled with this flag.
>
> If you can tell me where to put this flag, I can redo the test.
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/madgraph5/+bug/1218842/+subscriptions