From: Keith Owens <kaos@ocs.com.au>
To: linux-kernel@vger.kernel.org
Subject: Re: New module loader makes kernel debugging much harder
Date: Sat, 23 Nov 2002 13:43:20 +1100 [thread overview]
Message-ID: <13864.1038019400@ocs3.intra.ocs.com.au> (raw)
In-Reply-To: Your message of "Sat, 23 Nov 2002 02:35:13 -0000." <20021123023513.GC83190@compsoc.man.ac.uk>
On Sat, 23 Nov 2002 02:35:13 +0000,
John Levon <levon@movementarian.org> wrote:
>On Sat, Nov 23, 2002 at 01:20:10PM +1100, Keith Owens wrote:
>
>> The complete lack of kernel and module symbols (no /proc/ksyms) means
>> that ksymoops is now useless on 2.5 kernels. If you get an oops in a
>> kernel built without kksymoops, there is no way to decode the oops.
>
>Additionally, module profiling is not possible any more.
>
>> Big step backwards, Rusty.
>
>Somebody (this includes Rusty himself) needs to come up with a workable
>solution. For my own needs, the start address of the mapped module is
>good enough [snip]
Only if you assume that the .text is at a known offset from the start
of the module. There are multiple programs that need to know where
each section really is, instead of making assumptions about how a
module is laid out.
next prev parent reply other threads:[~2002-11-23 2:36 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-11-23 2:20 Keith Owens
2002-11-23 2:35 ` John Levon
2002-11-23 2:43 ` Keith Owens [this message]
2002-11-23 16:23 ` John Levon
2002-11-24 0:49 ` Keith Owens
2002-11-24 1:06 ` John Levon
2002-11-24 1:18 ` Keith Owens
2002-11-24 1:34 ` John Levon
2002-11-25 1:26 ` Rusty Russell
2002-11-23 4:22 ` Jamie Lokier
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