From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: rostedt@goodmis.org
Cc: linuxppc-dev@ozlabs.org
Subject: Re: [FTRACE] Enabling function_graph causes OOPS
Date: Tue, 06 Oct 2009 07:20:39 +1100 [thread overview]
Message-ID: <1254774039.7122.35.camel@pasglop> (raw)
In-Reply-To: <1254749155.13160.6.camel@gandalf.stny.rr.com>
On Mon, 2009-10-05 at 09:25 -0400, Steven Rostedt wrote:
> > > Sachin, can you give me more details on how you built that kernel ? (or
> > > give them again in case I missed them the first time around :-), ie,
> > > what toolchain, options, etc... or even better, give me remote access to
> > > the build host ?
> >
> > Ok, got access and had a quick look... seems to be a toolchain problem
> > to me. I'll investigate more tomorrow.
>
> Hi Ben,
>
> Any more word on this issue?
Didn't you fix it using a TOC access ?
Unless I'm confusing things, I think the problem is the usage
of LOAD_REG_IMMEDIATE which generates relocs that we don't support
when CONFIG_RELOCATABLE is set.
I've merged a patch that post-processes the kernel now, to check
for such relocs so at least you should be warned at build time.
Cheers,
Ben.
next prev parent reply other threads:[~2009-10-05 20:20 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-14 10:26 [FTRACE] Enabling function_graph causes OOPS Sachin Sant
2009-07-14 22:45 ` Steven Rostedt
2009-08-03 10:40 ` Sachin Sant
2009-09-09 1:05 ` Steven Rostedt
2009-09-09 6:27 ` Sachin Sant
2009-09-09 19:42 ` Steven Rostedt
2009-09-10 5:32 ` Sachin Sant
2009-09-11 3:05 ` Steven Rostedt
2009-09-11 4:26 ` Sachin Sant
2009-09-11 18:05 ` Steven Rostedt
2009-09-13 4:07 ` Steven Rostedt
2009-09-13 4:37 ` Benjamin Herrenschmidt
2009-09-13 13:21 ` Steven Rostedt
2009-09-13 20:25 ` Benjamin Herrenschmidt
2009-09-14 8:00 ` Benjamin Herrenschmidt
2009-10-05 13:25 ` Steven Rostedt
2009-10-05 20:20 ` Benjamin Herrenschmidt [this message]
2009-10-05 20:37 ` Steven Rostedt
2009-10-07 8:56 ` Sachin Sant
2009-10-07 9:10 ` Benjamin Herrenschmidt
2009-10-08 14:51 ` [PATCH] Ftrace : fix function_graph tracer OOPS Sachin Sant
2009-10-14 3:01 ` Steven Rostedt
2009-10-14 6:13 ` Sachin Sant
2009-10-14 6:15 ` Benjamin Herrenschmidt
2009-10-14 12:12 ` Steven Rostedt
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