linux-kernel - Re: Why is there no debug symbols in my vmlinux?

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Message-ID: <AANLkTind-ZdwcvGdhXdMJW+6Q5XiMpj7AskoF2WqGi2n@mail.gmail.com>
Date:	Tue, 29 Mar 2011 17:48:01 +0800
From:	Américo Wang <xiyou.wangcong@...il.com>
To:	Mr Shore <shore.cloud@...il.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: Why is there no debug symbols in my vmlinux?

On Tue, Mar 29, 2011 at 2:56 PM, Mr Shore <shore.cloud@...il.com> wrote:
> Hi all!
>
> I've configure all `CONFIG_DEBUG_` related options to `y`,but when I
> try to debug the kernel,it says no debug symbols found:
>
>    gdb /usr/src/linux-2.6.32.9/vmlinux /proc/kcore
>
>    Reading symbols from /usr/src/linux-2.6.32.9/vmlinux...(no
> debugging symbols found)...done.
>
> And I've checked with `make V=1` that there is the -g flag.
>

Hmm, especially CONFIG_DEBUG_INFO and CONFIG_DEBUG_KERNEL.

>
> Why, is this a known issue?
>

No, I will try to see if I can reproduce it here.
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