Messages in this thread | | | Date | Mon, 6 May 2013 12:06:11 -0700 | From | "Paul E. McKenney" <> | Subject | Re: RCU init call bootmem allocation after slub us ready. |
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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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