I've already finishing compiling the kernel from source,
but how to compile it with debug symbols,what additional steps to I need to take?
1 Answer
You need CONFIG_DEBUG_INFO=y on the config.
More exactly, the question is Compile the kernel with debug info (DEBUG_INFO) [N/y/?] and it's under the Kernel debugging (DEBUG_KERNEL) [Y/n/?] header. You may need to enable some other option below this one to get to the right one.
- How to debug the kernel with gdb after that?yum– yum2011-03-24 02:53:15 +00:00Commented Mar 24, 2011 at 2:53
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- I've already compiled the kernel with
CONFIG_DEBUG_INFO=y,butgdb /usr/src/linux-2.6.32.9/vmlinux /proc/kcorestill can't read symbols:Reading symbols from /usr/src/linux-2.6.32.9/vmlinux...(no debugging symbols found)...done.yum– yum2011-03-25 03:31:15 +00:00Commented Mar 25, 2011 at 3:31 - kernel.org/pub/linux/kernel/people/jwessel/kdb seems to be a solid guide to attaching the debugger to a kernel.whitey04– whitey042015-04-30 22:39:54 +00:00Commented Apr 30, 2015 at 22:39
- 1Here is a wonderfull guide to debug kernel techvolve.blogspot.com/2014/04/… .Antonio Petricca– Antonio Petricca2018-09-04 07:12:07 +00:00Commented Sep 4, 2018 at 7:12