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After reading this book, students will know what statements to use and where as well as why to avoid the others, helping them become expert FORTRAN programmers. Please be considerate of other users. [prev in list] [next in list] [prev in thread] [next in thread] List: gcc-bugs Subject: [Bug fortran/41344] ICE / Bus error on OpenMP compile From: Our project is a large Fortran77,90,95 C mixing language software been developed for years. Why secure web services?

i still not find a way to do this. An equal access/equal opportunity university. Has someone some hints how to localize > the error more precise. > I use F77 on a SGI unix. Paging errors[edit] FreeBSD, Linux and Solaris can signal a bus error when virtual memory pages cannot be paged in, e.g.

Click Here to join Tek-Tips and talk with other members! Our program works well until the gcc upgrade. The content of this document may be incorrect or out dated. Most CPUs can access individual bytes from each memory address, but they generally cannot access larger units (16 bits, 32 bits, 64 bits and so on) without these units being "aligned"

I think the current order matches g77 and some > other compilers; for instance NAG uses: > void requestdouble_(requestdouble_Result,requestdouble_ResultLen,rlat_,rlng_) > > Thus as the other order is not clearly superior, sticking because it has disappeared (e.g. Then you can type, say: limit coredumpsize 100 .. You really don't want to use a > function here.

I've implemented many write commands to find the error more > exactly - but it was not succesfull. New to the Second Edition Additional case study on file I/O More about CPU timing on Pentium processors More about the g77 compiler and Linux With numerous updates and revisions throughout, Talk With Other Members Be Notified Of ResponsesTo Your Posts Keyword Search One-Click Access To YourFavorite Forums Automated SignaturesOn Your Posts Best Of All, It's Free! By joining you are opting in to receive e-mail.

Here's Why Members Love Tek-Tips Forums: Talk To Other Members Notification Of Responses To Questions Favorite Forums One Click Access Keyword Search Of All Posts, And More... IMPLICIT NONE ! ! That should get rid of any alignment problems. For example, the code below would result in a bus error because array 'foo' is declared as real, and array 'dummy' is declared as double precision.

the subroutine like : subroutine calrespknt (modela,ipors,dt,t,pr,complt,modcnv) ....... Those are the kind of things I'd start looking for. A bug report is not the proper method of communication :-) Comment 11 Lulin Song 2010-09-01 15:29:29 UTC (In reply to comment #10) > (In reply to comment #9) > > Common fortran error messages When you execute your program, you may encounter run-time errors that are difficult to trace.

You have memory protection error but where is datarow and datacolumn arrays dimensions? I've implemented many write commands to find the error more exactly - but it was not succesfull. i will try use pointer represent ,try use free () to release the memorary . Use a subroutine. > > include > > void requestdouble_(double*, double*, char *, int *len); > > int main() > { > char str[20]; > int len; > double lat=10.0;

Netscape Bus Error 9. Our program works well until the gcc upgrade. > Is this new standard? Tim P. Many thanks again.

Help - Ruby 1.8.0, Mac OS X, AEOSA = bus error 7. Another possible cause is an argument list in a call statement that does not contain the same variable types as the subroutine declaration. Not the answer you're looking for? gnu !

Then if the compiler choses a naive packing of the variables in memory, the double x will be offset by 4 bytes, and usually will cause a bus error, though the Try this: ALLOCATE(numarray(numexps,numrolls), temparray(numrolls)) and delete the second ALLOCATE. This is the area of the disk that the machine uses for virtual memory. To answer your question "what is a bus error?" : it generally means that your program tried to access a nonexistent address, or an address that doesn't have the proper alignment

gfortran -c -g -Wall requestdouble.f90 gcc passdouble.c requestdouble.o -lgfortran a.out Bus error Comment 1 Andrew Pinski 2010-08-31 17:45:50 UTC I think the return value for character(16) returns are passed via the Browse other questions tagged arrays fortran bus fortran95 or ask your own question. Just move the line ALLOCATE(temparray(numrolls)) before you enter the loop. Bus Error: Chicken 0.990 on SunOS 5.7 on Sparc 8.

Posting Guidelines Promoting, selling, recruiting, coursework and thesis posting is forbidden.Tek-Tips Posting Policies Jobs Jobs from Indeed What: Where: jobs by Link To This Forum! http://gcc.gnu.org/onlinedocs/gfortran/Interoperability-with-C.html > > The article at > http://www.fortranplus.co.uk/resource/fortran_2003_2008_compiler_support.pdf > lists for some compilers the support of Fortran 2003 (and 2008) features; > interesting for you are the items "Interoperability with C". ron Top Back to original post Leave a Comment Please sign in to add a comment. EvenSt-ring C ode - g ol!f Export The $PATH Variable, Line-By-Line Does the suffix "-ria" in Spanish always mean "a place that sells?" What are Imperial officers wearing here?

gfortran -c -g -Wall requestdouble.f90 FUNCTION requestdouble(rlat,rlng) ! Problems with HP-Oberon (Bus Error) 5. If you need to debug your program, you may want to enable a core dump. Our program works well until the gcc upgrade. > Is this new standard? > This is internal plumbing you should not be relying on, specific to the compiler and to the

Similarly, if multi-byte accesses must be 32-bit aligned, addresses 0, 4, 8, 12, and so on would be considered aligned and therefore accessible, and all addresses in between would be considered Is there any advice about this ? Thank you all for the information and suggestions. Comment 9 Lulin Song 2010-09-01 14:22:56 UTC (In reply to comment #8) > (In reply to comment #0) > > Main program is written in C. (see the following) > >

Unaligned access[edit] Most CPUs are byte-addressable, where each unique memory address refers to an 8-bit byte. Arrays in Fortran must have integer subscripts whose values are between 1 and the dimension of the array the subscript refers to. I mean the ".__result" appending to arguments list instead inserting before arguments list. Now I an using this routine F02FAF (http://www.nag.co.uk/numeric/fl/manual19/pdf/F02/f02faf_fl19.pdf) that is noting else than a LAPACK routine.

Help - Ruby 1.8.0, Mac OS X, AEOSA = bus error - one more time 6. Tue, 06/27/2006 - 14:26 This could require some detailed debugging. You should not leave file in /tmp when you logout. By using this site, you agree to the Terms of Use and Privacy Policy.

current community chat Stack Overflow Meta Stack Overflow your communities Sign up or log in to customize your list. share|improve this answer answered Apr 12 '11 at 23:27 ifeitosa 562 I moved it above the loop and it works now. This error commonly occurs when one attempts to divide by zero. GCC/gfortran supports the C > binding since 4.3.0 and newer version of most other compilers support it as > well. > > Cf.