On Mon, 28 Jun 2010 00:59:00 -0400
Sean MacLennan [off-list ref] wrote:

Anybody else seeing these messages?

ppc_4xxFP-ld: .tmp_vmlinux1: section .data..init_task lma 0xc0374000
overlaps previous sections ppc_4xxFP-ld: .tmp_vmlinux2:
section .data..init_task lma 0xc03a2000 overlaps previous sections
ppc_4xxFP-ld: vmlinux: section .data..init_task lma 0xc03a2000
overlaps previous sections

Or does anybody know what they mean? They started showing up in
2.6.35.

Very easy to reproduce, so don't hesitate to ask for more info.

I had a bit of time, so I tracked this down. This patch seems to be
the culprit: http://lkml.org/lkml/2010/2/19/366

Specifically, this code:

 	/* The initial task and kernel stack */
-	.data.init_task : AT(ADDR(.data.init_task) - LOAD_OFFSET) {
-		INIT_TASK_DATA(THREAD_SIZE)
-	}
+	INIT_TASK_DATA_SECTION(THREAD_SIZE)

If I change it back to:

	/* The initial task and kernel stack */
	.data..init_task : AT(ADDR(.data..init_task) - LOAD_OFFSET) {
		INIT_TASK_DATA(THREAD_SIZE)
	}

not only do the warnings go away, but the kernel now boots again!

Cheers,
   Sean