On Mon, May 06, 2013 at 11:53:56AM -0700, Yinghai Lu wrote:
> [ 0.000000] SLUB: Genslabs=15, HWalign=64, Order=0-3, MinObjects=0,
> CPUs=160, Nodes=8
> [ 0.000000] Hierarchical RCU implementation.
> [ 0.000000] RCU restricting CPUs from NR_CPUS=4096 to nr_cpu_ids=160.
> [ 0.000000] ------------[ cut here ]------------
> [ 0.000000] WARNING: at mm/nobootmem.c:234
> ___alloc_bootmem_nopanic+0x3a/0x7d()
> [ 0.000000] Modules linked in:
> [ 0.000000] CPU: 0 PID: 0 Comm: swapper/0 Not tainted
> 3.9.0-yh-10495-gfc7ffbc-dirty #1543
> [ 0.000000] Hardware name: Oracle Corporation Sun Fire X4800 M2 /
> , BIOS 15013200 04/19/2012
> [ 0.000000] 0000000000000009 ffffffff82a01e58 ffffffff8209dc61
> ffffffff82a01e98
> [ 0.000000] ffffffff8108a9d0 0000000000000000 0000000000000000
> 0000000000000200
> [ 0.000000] ffffffffffffffff 0000000000000040 0000000000000000
> ffffffff82a01ea8
> [ 0.000000] Call Trace:
> [ 0.000000] [<ffffffff8209dc61>] dump_stack+0x19/0x1b
> [ 0.000000] [<ffffffff8108a9d0>] warn_slowpath_common+0x70/0xa0
> [ 0.000000] [<ffffffff8108aa1a>] warn_slowpath_null+0x1a/0x20
> [ 0.000000] [<ffffffff82dd54cd>] ___alloc_bootmem_nopanic+0x3a/0x7d
> [ 0.000000] [<ffffffff82dd5695>] __alloc_bootmem+0x12/0x38
> [ 0.000000] [<ffffffff82de976a>] alloc_bootmem_cpumask_var+0x1a/0x21
> [ 0.000000] [<ffffffff82dce4da>] rcu_init+0x66/0x283
> [ 0.000000] [<ffffffff82dd15ed>] ? perf_event_init+0x136/0x15f
> [ 0.000000] [<ffffffff82dabf95>] start_kernel+0x24a/0x423
> [ 0.000000] [<ffffffff82dababe>] ? repair_env_string+0x5e/0x5e
> [ 0.000000] [<ffffffff820936b6>] ? __memblock_reserve+0x81/0x89
> [ 0.000000] [<ffffffff82dab5a8>] x86_64_start_reservations+0x2f/0x31
> [ 0.000000] [<ffffffff82dab79e>] x86_64_start_kernel+0x1f4/0x1fc
> [ 0.000000] ---[ end trace 53ae8bb075006d8f ]---
Do you have commit fa0f93cd6a (rcu: Don't allocate bootmem from rcu_init())?
If not, could you please try applying it?
Thanx, Paul
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