On Thu, 28 Jan 2016 22:52:55 +0800 kernel test robot <fengguang.wu@xxxxxxxxx> wrote: > Greetings, > > 0day kernel testing robot got the below dmesg and the first bad commit is > > https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master > > commit a1fd55538cae9f411059c9b067a3d48c41aa876b > Author: Jesper Dangaard Brouer <brouer@xxxxxxxxxx> > AuthorDate: Thu Jan 28 09:47:16 2016 +1100 > Commit: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> > CommitDate: Thu Jan 28 09:47:16 2016 +1100 > > slab: use slab_pre_alloc_hook in SLAB allocator shared with SLUB > > ... > > [ 0.000000] ------------[ cut here ]------------ > [ 0.000000] WARNING: CPU: 0 PID: 0 at kernel/locking/lockdep.c:2601 trace_hardirqs_on_caller+0x341/0x380() > [ 0.000000] DEBUG_LOCKS_WARN_ON(unlikely(early_boot_irqs_disabled)) > [ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 4.5.0-rc1-00069-ga1fd555 #1 > [ 0.000000] ffffffff82403dd8 ffffffff82403d90 ffffffff813b937d ffffffff82403dc8 > [ 0.000000] ffffffff810eb4d3 ffffffff812617cc 0000000000000001 ffff88000fcc50a8 > [ 0.000000] ffff8800000984c0 00000000024000c0 ffffffff82403e28 ffffffff810eb5c7 > [ 0.000000] Call Trace: > [ 0.000000] [<ffffffff813b937d>] dump_stack+0x27/0x3a > [ 0.000000] [<ffffffff810eb4d3>] warn_slowpath_common+0xa3/0x100 > [ 0.000000] [<ffffffff812617cc>] ? cache_alloc_refill+0x7ac/0x910 > [ 0.000000] [<ffffffff810eb5c7>] warn_slowpath_fmt+0x57/0x70 > [ 0.000000] [<ffffffff81143e61>] trace_hardirqs_on_caller+0x341/0x380 > [ 0.000000] [<ffffffff81143ebd>] trace_hardirqs_on+0x1d/0x30 > [ 0.000000] [<ffffffff812617cc>] cache_alloc_refill+0x7ac/0x910 > [ 0.000000] [<ffffffff8121df6a>] ? pcpu_mem_zalloc+0x5a/0xc0 > [ 0.000000] [<ffffffff81261fce>] __kmalloc+0x24e/0x440 > [ 0.000000] [<ffffffff8121df6a>] pcpu_mem_zalloc+0x5a/0xc0 > [ 0.000000] [<ffffffff829213aa>] percpu_init_late+0x4d/0xbb The next patch (http://ozlabs.org/~akpm/mmotm/broken-out/slab-use-slab_pre_alloc_hook-in-slab-allocator-shared-with-slub-fix.patch) should have fixed this? > [ 0.000000] [<ffffffff828f41c9>] start_kernel+0x30b/0x6e1 > [ 0.000000] [<ffffffff828f3120>] ? early_idt_handler_array+0x120/0x120 > [ 0.000000] [<ffffffff828f332f>] x86_64_start_reservations+0x46/0x4f > [ 0.000000] [<ffffffff828f34d4>] x86_64_start_kernel+0x19c/0x1b2 > [ 0.000000] ---[ end trace cb88537fdc8fa200 ]--- > > ... -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>