core dump
in [Unix Programming]
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From: rahul8143 on 18 Sep 2005 08:00 hello, what is core dump? which conditions in programs create core dump? what is simple condition to create a core dump from a C program? how to debug it? regards, rahul
From: Kasper Dupont on 18 Sep 2005 09:02
rahul8143(a)gmail.com wrote: > > hello, > what is core dump? which conditions in programs create core dump? what > is simple condition to create a core dump from a C program? It is a file with a dump of the virtual memory of a process that crashed for some reason. Notice that a process can crash without creating a core dump. http://www.daimi.au.dk/~kasperd/comp.os.linux.development.faq.html#core > how to debug it? You may be able to get some information from gdb. eg. gdb a.out core (gdb) bt (gdb) print x (gdb) up (gdb) print y Also look here: http://www.daimi.au.dk/~kasperd/comp.os.linux.development.faq.html#SIGSEGV -- Kasper Dupont Note to self: Don't try to allocate 256000 pages with GFP_KERNEL on x86. |