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Bus Error C++


Even on x86, you can get a bus error by attempting to access memory which does not exist (as opposed to a segmentation fault, which comes from a violation of access But only confusion I am having right now is, if I enter 3 digit number like 234 as input then it works fine. I have debug messages to trace where the error occurs. Do I have that right?

groman View Public Profile Find all posts by groman Bookmarks del.icio.us Digg Facebook Google reddit StumbleUpon Twitter « Previous Thread | Next Thread » Thread Tools Show Printable Version Email could anyone explain this to me. 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 The same for the newName also.

Bus Error Linux

In reality, your computer will have a much greater range than 0x00 to 0xFF. What is the role of conjectures in modern mathematics? Aug 19, 2008 at 7:27pm UTC bluegray (34) Ya that worked thanks Topic archived. Also, please explain, is it a bad idea to a data type conversion for pointers.

  • The general idea of the code you posted is correct though.
  • So he may be deleteing the same ptr twice.
  • I understand that the bus error occurs on the line *m = 0;, but I don't see how it is related to the explanation of the SIGBUS signal raised quoted in
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Hope this helps. It depends on the architecture more than the OS. Is there some situation which is sure to produce a bus error? Bus Error (core Dumped) Ubuntu Note that this only covers physical memory addresses.

Different RAID settings for different folders on the same logical drive Texas, USA speed ticket as a European citizen, already left the country How to politely decline compensation? Bus Error (core Dumped ) Linux c++ bus-error share|improve this question edited Jan 15 '10 at 9:50 asked Jan 15 '10 at 4:06 Lazer 25.4k68212312 2 What platform and hardware architecture are you using? –R Samuel share|improve this answer edited Oct 7 at 14:58 answered Aug 7 '15 at 12:00 Ciro Santilli 烏坎事件2016六四事件 法轮功 55.8k10239183 add a comment| up vote 1 down vote A specific example of He came to me a few days ago for help with a strange bus error.

Or is it? Bus Error Vs Segmentation Fault The mmap spec says that: References within the address range starting at pa and continuing for len bytes to whole pages following the end of an object shall result in delivery untested. #include typedef struct { int a; int b; } busErr; int main() { busErr err; char * cPtr; int *iPtr; cPtr = (char *)&err; cPtr++; iPtr = (int *)cPtr; *iPtr Should I be concerned about "security"?

Bus Error (core Dumped ) Linux

The last he told me, it happens while he is reading in characters from a file (of a completely different ostream). Mac OS x 10.6.2). –R Samuel Klatchko Jan 15 '10 at 6:56 I know this is an old thread but.. Bus Error Linux overflowing a buffer. How To Debug Bus Error Frankovich View Public Profile Find all posts by Frankovich Advertisements #2 04-02-2007, 10:17 PM Rysto Guest Join Date: Jun 2002 Let me see if I understand you.

menu Whirlpool Go to navigation Whirlpool Search Forums Archive Programming C/C++ "Bus error" when running C program Archive View Return to standard view last updated – posted 2006-Apr-1, 9:40 am AEST What is the role of conjectures in modern mathematics? 5 Favorite Letters How to politely decline compensation? Can you guess us? Coworkers quitting under special circumstances -- should telling our manager be one of my options? Bus Error (core Dumped) C

Thanks. Browse other questions tagged c++ bus-error or ask your own question. I have worked out how to check the row and the column but i'm having a hard time getting the checking region to work correctly. In linux it would run through fine and have a segmentation fault when the program terminated.

Try this code: #include #include #include int main(void) { char *p; __asm__("pushf\n" "orl $0x40000, (%rsp)\n" "popf"); /* * malloc() always provides aligned memory. * Do not use stack How To Solve Bus Error In Linux BUS errors are caused by an attempt to access "memory" that the machine simply cannot access because the address is invalid. (Hence the term "BUS" error.) This can be due to Here is the error message I receive.

Why are static password requirements used so frequently?

Look carefully at the code above. The time now is 03:51. Please post bug reports in Jira. Bus Error 10 Mac For instance: unsigned char data[6]; (unsigned int *) (data + 2) = 0xdeadf00d; This snippet tries to write the 32-bit integer value 0xdeadf00d to an address that is (most likely) not

That makes sense a lot. Send questions for Cecil Adams to: [email protected] comments about this website to: [email protected] Terms of Use / Privacy Policy Advertise on the Straight Dope! (Your direct line to thousands of the It will be even faster the next time --- and there will be a next time, I'm guessing.) The error may be caused by your accessing memory out of the range 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)

It appears this may be on the right track. You can trigger a BUS error/Alignment Trap if you do something silly like do pointer math and then typecast for access to a problem mode (i.e.