Why are static password requirements used so frequently? Paging errors FreeBSD, Linux and Solaris can signal a bus error when virtual memory pages cannot be paged in, e.g. more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed A common cause of this problem is attempting to access an array with an invalid subscript. Check This Out
As expected with a major upgrade like this, there are a few rough spots. real foo(10,5) integer i, j call foobar(foo,i,j) <-- real,int,int | |==> these don't match! | subroutine foobar(dummy,idummy,jdummy) <-- double,int,int double precision dummy(10,5) integer idummy, jdummy An arithmetic or floating point exception Zlib compression disabled.Powered by UBB.threads™ PHP Forum Software 7.5.8 Bus error From Wikipedia, the free encyclopedia Jump to: navigation, search This article needs additional citations for verification. The content of this document may be incorrect or out dated.
They will be ignored. Which current networking protocol would be the optimal choice for very small FTL bandwidth? Do you have a subscript out of range for a dimension or a DO loop? 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.
Mac Developer Library. current community chat Stack Overflow Meta Stack Overflow your communities Sign up or log in to customize your list. What difficulty would the Roman Empire have besieging a fantasy kingdom's 49m wall? Bus Error .
Printing the low order bits of the address shows that it is not aligned to a word boundary ("dword" using x86 terminology). No. OS X USB Debug Kits. Coworkers quitting under special circumstances -- should telling our manager be one of my options?
An arithmetic exception can also occur if the value of a variable exceeds the largest value that can be represented by the corresponding data type. Bus error (core dumped) Powered by phpBB Forum Software You are not logged in. [Log In] CHARMM Development Project Register User Forum List Calendar Active I don't know modern FORTRANs, but I know that with earlier versions of FORTRAN, you could crash a program like that by passing in a constant (e.g., by calling p_list(0, my_matrix)). Help - Ruby 1.8.0, Mac OS X, AEOSA = bus error 7.
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That is very very rare, though. his comment is here END SUBROUTINE p_list parameters fortran bus-error share|improve this question asked Dec 13 '10 at 12:12 Old McStopher 3,70184877 3 How are you calling this? I use F77 on a SGI unix. Arrays in Fortran must have integer subscripts whose values are between 1 and the dimension of the array the subscript refers to.
Unaligned access Most CPUs are byte-addressable, where each unique memory address refers to an 8-bit byte. SUBROUTINE p_list (c_number, c_matrix) INTEGER c_number INTEGER c_matrix(8000,20) ! ... Norbert: A bus error is usually something you get when you have some misaligned data. http://alltechgossip.com/bus-error/bus-error-fortran-90.html The same code compiled and ran fine under Pro Fortran v9.0.
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" That's because FORTRAN implicitly passed everything by reference, including constants (!) –Dan Breslau Dec 13 '10 at 12:19 Actually, great catch. Author Message; Jan Boshof #1 / 4. … Mac OS X, AEOSA = bus error - one more time. 6.
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asked 6 years ago viewed 2476 times active 4 years ago Upcoming Events 2016 Community Moderator Election ends in 4 days Related 2Writing and calling pure subroutines in Fortran 90 using Apple Store Mac iPod iPhone iPad iTunes Support Search Re: [ANN] Absoft releases Pro Fortran v10 for Mac OS/Intel - includes 32-bit and 64-bit compilers [Date Prev][Date Next][Thread Prev][Thread Next][Date In my case, the error could have been caught by IMPLICIT NONE, or by run-time checking of string and array length. http://alltechgossip.com/bus-error/bus-error-10-fortran.html Has someone some hints how to localize > the error more precise. > I use F77 on a SGI unix.
In contrast, a "segmentation fault" is typically caused by accessing an address that exists, but which the program is not allowed to access -- see en.wikipedia.org/wiki/Segmentation_fault. Search Restricted Search Archived Admin Options: Edit this Document Engineering College of Engineering First Year Engineering Schools & Programs Information Technology Engineering Computer Network Information Technology at Purdue Purdue Purdue Homepage Contents 1 Causes 1.1 Non-existent address 1.2 Unaligned access 1.3 Paging errors 2 Example 3 References Causes There are at least three main causes of bus errors: Non-existent address Software instructs To temporarily turn … If the error does not recur, troubleshoot for extension conflicts.
I'm running gfortran (not sure which version, off-hand) from the terminal in OS X. I also have source code of NAG 19 fortran library coming from an old Alpha computer that I have compiled on this Mac computer using Intel Fortran. Can my employer see what I do on the internet when I am connected to the company network? Those are the kind of things I'd start looking for.
The last possibilty: I have seen bus errors RARELY with a bad CPU or the seating of the CPU.