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: Sun, 13 Sep 2009 14:37:30 +1000 [thread overview]
Message-ID: <1252816650.8375.70.camel@pasglop> (raw)
In-Reply-To: <1252814877.26049.93.camel@gandalf.stny.rr.com>
On Sun, 2009-09-13 at 00:07 -0400, Steven Rostedt wrote:
> 982: R_PPC64_ADDR16_HIGHEST
> ftrace_return_to_handler
> 984: 60 84 00 00 ori r4,r4,0
> 986: R_PPC64_ADDR16_HIGHER
> ftrace_return_to_handler
> 988: 78 84 07 c6 rldicr r4,r4,32,31
> 98c: 64 84 00 00 oris r4,r4,0
> 98e: R_PPC64_ADDR16_HI
> ftrace_return_to_handler
> 990: 60 84 00 00 ori r4,r4,0
> 992: R_PPC64_ADDR16_LO
> ftrace_return_to_handler
> 994: e8 44 00 08 ld r2,8(r4)
> 998: 48 00 00 01 bl 998 <.mod_return_to_handler+0x30>
> 998:
> R_PPC64_REL24 .ftrace_return_to_handler
> 99c: 60 00 00 00 nop
> 9a0: 7c 68 03 a6 mtlr r3
.../...
> Something is totally messed up here.
Could it be that we don't handle R_PPC64_ADDR16_* relocs in
arch/powerpc/kernel/modules/module_64.c ?
Sachin, do you see a bunch of "Unknown ADD relocation" in your dmesg ?
Ben.
next prev parent reply other threads:[~2009-09-13 4:37 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 [this message]
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
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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