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Bus Error Linux C

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more hot questions question feed lang-c about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Culture / Recreation This book is dated, but it remains very useful, and no C text that I've seen is more succinct. On the other side, you read 2 times 256 bytes, and you lose the first 256. SIGBUS is an implementation-defined hardware fault. this content

permalinkembedsaveparentgive gold[–][deleted] 2 points3 points4 points 1 year ago*(0 children)Yeah, I've been using them a lot recently, and I'm so thankful for how much better they are than the Windows docs, but this edit: reduced codeminimal code#include #include #include int main(void) { FILE *f1; char *c; f1 = fopen ("out.txt", "r"); while (fgets(c,10,f1) != NULL) Why? share|improve this answer answered May 8 '09 at 16:04 bk1e 18.1k43760 add a comment| up vote 5 down vote For instance, a bus error might be caused when your program tries

Bus Error C++

But the great error is that you put the final condition !feof(), whichout checking that the limit of the string array gives overflow. I didn't do anything else. I guess I should have read it better... Please be considerate of other users.

then the program was trying to access a memory location outside its address space. The things that had changed were that the process was recompiled, AND we were at 96% (df -k) on that disk... operator do?1Bus error in simple C program1C++ pointers declaration order output segmentation fault or bus error3What error code does a process that segfaults return?0Bus Error in C for Loop0Bus Error, don't Bus Error Vs Segmentation Fault asked 8 years ago viewed 160459 times active 1 month ago Upcoming Events 2016 Community Moderator Election ends in 4 days Linked 26 Bus error vs Segmentation fault 3 C generic

Which means the program ran very fast and the memory-fault routine ran a fair bit later that the problem code. How To Debug Bus Error permalinkembedsaveparentaboutblogaboutsource codeadvertisejobshelpsite rulesFAQwikireddiquettetransparencycontact usapps & toolsReddit for iPhoneReddit for Androidmobile websitebuttons<3reddit goldredditgiftsUse of this site constitutes acceptance of our User Agreement and Privacy Policy (updated). © 2016 reddit inc. My problem is that I cannot understand why my particular code is giving me an error. SIGBUS means that you have asked to cpu to do something that is impossible.

So your situation could be that you have two bugs, where the first to occur sometimes causes SIGSEGV, and the second (if the segfault didn't happen and the program is still Sigbus Error Linux Example[edit] This is an example of unaligned memory access, written in the C programming language with AT&T assembly syntax. #include int main(int argc, char **argv) { int *iptr; char *cptr; Why was FDR pro-intervention? Look carefully at the code above.

How To Debug Bus Error

It's a small book, but packed with useful information. Remove advertisements Sponsored Links LivinFree View Public Profile Find all posts by LivinFree #2 11-09-2001 Perderabo Unix Daemon (Administrator Emeritus) Join Date: Aug 2001 Last Activity: 26 Bus Error C++ Can I brine meat after cooking it? How To Solve Bus Error In Linux Accordingly, the CPU sets this physical address on its address bus and requests all other hardware connected to the CPU to respond with the results, if they answer for this specific

Trying to access an undefined virtual memory address is generally considered to be a segmentation fault rather than a bus error, though if the MMU is separate, the processor can't tell news share|improve this answer answered Nov 19 '15 at 13:56 Alleo 1,3361422 add a comment| up vote 0 down vote This could refer to human problems too. share|improve this answer edited Oct 20 '12 at 16:16 md5 17.5k22071 answered Jun 26 '12 at 8:51 Vinaya Sagar 171 Heh...if this were the case, you'd have BUS error tonyt View Public Profile Find all posts by tonyt #4 11-10-2001 TioTony Bit Pusher Join Date: Oct 2001 Last Activity: 7 November 2016, 7:27 PM EST Location: Bus Error (core Dumped) Linux

  • Could it be caused by [lack of] disk space?
  • In modern use on most architectures these are much rarer than segmentation faults, which occur primarily due to memory access violations: problems in the logical address or permissions.
  • What does the letter 'u' mean in /dev/urandom?
  • kid in winter Do paper books exist in the 5th ed.

from my understanding of fgets c will be pointing to the line of text in the file out.txt that i want to read in.In the extended version of the code i Printing the low order bits of the address shows that it is not aligned to a word boundary ("dword" using x86 terminology). To set up a core link in a directory: ln -s /tmp/core.project ./core unlimit coredumpsize /tmp/core.project in the first line is the name that the core file is really called; the have a peek at these guys Higher up doesn't carry around their security badge and asks others to let them in.

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 Bus Error (core Dumped) C SOME ARMv7 systems will let you do this- but most ARM, MIPS, Power, etc. My code is an attempt to teach myself C.

The compiler has carefully dword aligned your pointer for data- and then you screw everything up on the compiler by offsetting the reference by TWO and typecasting to a very much

The first time that the line array[x] = ... Privacy policy About Wikipedia Disclaimers Contact Wikipedia Developers Cookie statement Mobile view UNIX & Linux Forums > Top Forums > UNIX for Dummies Questions & Answers Specify the FILE* (a file stream in C), the size of the buffer, and the buffer. Bus Error 10 Mac Which current networking protocol would be the optimal choice for very small FTL bandwidth?

In linux it would run through fine and have a segmentation fault when the program terminated. 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 bus error is trying to access memory that can't possibly be there. http://contactmailsupport.com/bus-error/bus-error-red-hat-linux.php For example, for hardware based on the IBM System/360 mainframe, including the IBM System z, Fujitsu B8000, RCA Spectra, and UNIVAC Series 90, instructions must be on a 16-bit boundary, that

When using new functions it may be worth reading through the relevant pages (edge cases and errors particularly). Join them; it only takes a minute: Sign up What is a bus error?