8 More Discussions You Might Find Interesting
1. UNIX for Dummies Questions & Answers
Hi,
I am new to the linux kernel development area. I want to know what is the difference between kernel mode stack and user mode stack? Does each process has a user mode stack and a kernel mode stack?? Or Each process has a user mode stack and there is only one kernel mode stack that is shared by... (4 Replies)
Discussion started by: saurabhkoar
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2. Programming
The problem: I need to work with large arrays and after one of my structures grew in size my program started getting segmentation fault.
My code where I allocate the arrays:
static R1 *tarr;
static R2 *rarr;
proc_init_mem()
{
const int t_sz = sizeof(R1) *... (9 Replies)
Discussion started by: migurus
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3. UNIX for Advanced & Expert Users
Hi
I want to create a SIGSEGV when program tries to access one particular area in memory. Is this possible. If so whats the command. (4 Replies)
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I receive a sigsegv failure. I was under the impression that a core file is created everytime a sigsegv occurrs and the process is terminated. I have had two recent occurrances of a core file not being created. Does anyone know why a core file would not be created. (2 Replies)
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5. AIX
Hello,
One of our customer is getting segmentation fault when he runs his shell script which invokes our executable on AIX 6.1.
On AIX 5.3, there were no issues.
Here is the truss output.
811242: __loadx(0x0A040000, 0xF0D3A26C, 0x00000000, 0x00000009, 0x00000000) = 0xF026E884... (0 Replies)
Discussion started by: erra_krishna
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6. UNIX and Linux Applications
Hello,
Can anybody tell me how can i handle segmentation fault signal, in C code? (2 Replies)
Discussion started by: mustus
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7. Programming
Here is my initiating code:
#define NUM 20
static struct tab {
int count;
int use;
} tab;
int curtab = 0;
int tab_create(int tab_count)
{
curtab++;
tab.use = 1;
tab.count = tab_count;
kprintf("here!");
return curtab;
} (2 Replies)
Discussion started by: micmac700
2 Replies
8. Programming
Hi.
Can someone to help me in a segfault problem?
I have a big C++ program that crash from time to time because it receive the SIGSEGV signal.
So my question is: Can I find, without using gdb or other debugging tools, which line from source code cause that problem? Or if exist some gdb API... (1 Reply)
Discussion started by: vaidac_coder
1 Replies
U_STACK_TRACE(3X) U_STACK_TRACE(3X)
NAME
U_STACK_TRACE(), _UNW_STACK_TRACE() - produce a trace back of the procedure call stack using the unwind library
SYNOPSIS
DESCRIPTION
prints a formatted stack trace to standard error. produces a formatted stack trace on the output stream indicated by parameter out_file.
The stream must be a writable stream for output to be produced.
APPLICATION USAGE
and are thread-safe. They are not async-cancel-safe because they make use of which is not async-cancel-safe. A cancellation point may
occur when a thread is executing
RETURN VALUE
None
ERRORS
can fail to give the entire stack back trace under the following conditions:
o Low memory conditions. The unwind library is not able to allocate enough memory to perform the tasks of tracking back over the stack or
of looking up symbols names associated with instruction pointer addresses encountered.
o Executables and shared libraries that fail to conform to the Runtime Architecture for Itanium-based systems. For example, they may have
invalid, incomplete, or missing unwind tables; or invalid or incorrect unwind information blocks.
EXAMPLES
Given the following C program:
Compiling and executing the program produces output similar to this:
AUTHOR
was developed by HP.
SEE ALSO
_UNW_createContextForSelf(3X), _UNW_currentContext(3X), _UNW_getGR(3X), unwind(5).
Itanium(R)-based System Only U_STACK_TRACE(3X)