and a separate warning popped up on another testbox:

[    0.000007] ------------[ cut here ]------------
[    0.000017] WARNING: at mm/page_alloc.c:1743 __alloc_pages_nodemask+0xfe/0x3fe()
[    0.000020] Hardware name: 1951A26
[    0.000022] Modules linked in:
[    0.000027] Pid: 0, comm: swapper Not tainted 2.6.30-tip #6031
[    0.000030] Call Trace:
[    0.000037]  [<c102c1ce>] warn_slowpath_common+0x60/0x77
[    0.000042]  [<c102c1f2>] warn_slowpath_null+0xd/0x10
[    0.000046]  [<c107cca0>] __alloc_pages_nodemask+0xfe/0x3fe
[    0.000052]  [<c10418df>] ? sched_clock_idle_wakeup_event+0x11/0x13
[    0.000057]  [<c107cfb3>] alloc_pages_node+0x13/0x15
[    0.000060]  [<c107cfe5>] __get_free_pages+0xe/0x1f
[    0.000066]  [<c1099aee>] __kmalloc+0x2a/0x10e
[    0.000070]  [<c1040271>] ? ktime_get+0x19/0x1b
[    0.000077]  [<c142fdf7>] profile_init+0x47/0x81
[    0.000084]  [<c16ed71a>] start_kernel+0x1b6/0x2c5
[    0.000089]  [<c16ed06a>] __init_begin+0x6a/0x6f
[    0.000099] ---[ end trace 4eaa2a86a8e2da22 ]---
[    0.000999] Console: colour VGA+ 80x25

Config attached here too.

	Ingo