-tip testing found another kmemcheck warning: calling netlink_proto_init+0x0/0x1b0 @ 1 NET: Registered protocol family 16 initcall netlink_proto_init+0x0/0x1b0 returned 0 after 39062 usecs calling olpc_init+0x0/0x110 @ 1 WARNING: kmemcheck: Caught 32-bit read from uninitialized memory (f5c38304) 0100000002000000000000000000000000000000ad4eaddeffffffffffffffff i i i i i i u u i i i i i i i i i i i i i i i i i i i i i i i i ^ Pid: 1, comm: swapper Not tainted (2.6.31-rc7-tip-01170-gaaea9cf-dirty #24) P4DC6 EIP: 0060:[] EFLAGS: 00010286 CPU: 0 EIP is at sock_init_data+0xe1/0x220 EAX: 0001b000 EBX: f606196c ECX: 00000000 EDX: c1a148d2 ESI: f6061800 EDI: f5c38300 EBP: f606ef0c ESP: c1ceb9ac DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 CR0: 8005003b CR2: f60a8108 CR3: 01a61000 CR4: 000006f0 DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000 DR6: ffff4ff0 DR7: 00000400 [] __netlink_create+0x35/0xa0 [] netlink_kernel_create+0x5a/0x180 [] rtnetlink_net_init+0x1e/0x50 [] register_pernet_operations+0x6a/0xf0 [] register_pernet_subsys+0x1e/0x30 [] rtnetlink_init+0x4c/0x100 [] netlink_proto_init+0x105/0x1b0 [] do_one_initcall+0x27/0x170 [] kernel_init+0x157/0x210 [] kernel_thread_helper+0x7/0x10 [] 0xffffffff initcall olpc_init+0x0/0x110 returned 0 after 0 usecs calling bdi_class_init+0x0/0x40 @ 1 config attached. Ingo