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Frame Pointers Compiled in. Oops, Panics etc beg to differ
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DigitalCorpus
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Joined: 30 Jul 2007
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PostPosted: Mon Dec 07, 2009 11:29 pm    Post subject: Frame Pointers Compiled in. Oops, Panics etc beg to differ Reply with quote

Title says it all. I have frame pointers compiled in my kernel. I've alway had them compiled in. I'm getting a couple bugs in some software (though experiemental) but my outputs are useless since the pointers aren't showing. What shoudl I do to try and remedy this? I have a reiser4 root partition so I'd patch gentoo-sources or use zen-sources (no one else has the problem). Yeah, this puts me into the unsupported category, but this problem seems more fundamental than that to me. I *always* use make oldconfig with new kernels.

from /proc/config.gz
http://pastebin.com/m127e97e4
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causality
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Joined: 03 Jun 2006
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PostPosted: Sat Dec 12, 2009 5:55 pm    Post subject: Reply with quote

I should caution that I have dabbled but I am definitely not a competent programmer. :) What follows is my opinion or "best guess" and hopefully a real programmer will correct me if I am wrong.

Having said that, I think you also need frame pointers compiled into the (userland) software you are running. In fact I had the impression that building the kernel with frame pointers won't help unless you are actually debugging kernel code.

If you check the CFLAGS and CXXFLAGS in your make.conf, are there any -fomit-frame-pointer or -fomit-leaf-frame-pointer statements? If so that would explain why you cannot debug the program, assuming you compiled that program via Portage. If you aren't using Portage, do flags like that appear anywhere in the project's Makefile or equivalent?
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