FYI, we noticed the below changes on git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master commit fdbacded3ac5e74b7d233b7af517fe1ba7f39fc8 ("mm/slab_common: support the slub_debug boot option on specific object size") +------------------------------------------------------------------+------------+------------+ | | 40f716590c | fdbacded3a | +------------------------------------------------------------------+------------+------------+ | boot_successes | 0 | 0 | | boot_failures | 23 | 22 | | Kernel_panic-not_syncing:Out_of_memory_and_no_killable_processes | 16 | | | backtrace:__hid_register_driver | 1 | | | backtrace:logi_djreceiver_driver_init | 1 | | | backtrace:kernel_init_freeable | 3 | | | BUG:kernel_boot_oversize | 1 | | | Unexpected_close,not_stopping_watchdog | 1 | | | Out_of_memory:Kill_process | 18 | | | backtrace:do_execveat_common | 3 | | | backtrace:compat_SyS_execve | 3 | | | backtrace:do_fork | 9 | | | backtrace:SyS_clone | 8 | | | backtrace:vm_munmap | 1 | | | backtrace:SyS_munmap | 1 | | | backtrace:do_sys_open | 1 | | | backtrace:compat_SyS_open | 1 | | | backtrace:vm_mmap_pgoff | 1 | | | backtrace:SyS_mmap_pgoff | 1 | | | backtrace:vfs_read | 2 | | | backtrace:SyS_read | 2 | | | backtrace:register_netdev | 2 | | | backtrace:rose_proto_init | 2 | | | backtrace:pgd_alloc | 1 | | | backtrace:mm_init | 1 | | | backtrace:do_execve | 1 | | | backtrace:SyS_execve | 1 | | | backtrace:vfs_write | 1 | | | backtrace:SyS_write | 1 | | | kernel_BUG_at_mm/slab.c | 0 | 22 | | invalid_opcode | 0 | 22 | | RIP:__kmem_cache_create | 0 | 22 | | Kernel_panic-not_syncing:Fatal_exception | 0 | 22 | | backtrace:create_kmalloc_caches | 0 | 22 | | backtrace:kmem_cache_init | 0 | 22 | +------------------------------------------------------------------+------------+------------+ [ 0.000000] Calgary: Unable to locate Rio Grande table in EBDA - bailing! [ 0.000000] Memory: 493836K/589304K available (31054K kernel code, 4505K rwdata, 15064K rodata, 4540K init, 17360K bss, 95468K reserved, 0K cma-reserved) [ 0.000000] ------------[ cut here ]------------ [ 0.000000] kernel BUG at mm/slab.c:2276! [ 0.000000] invalid opcode: 0000 [#1] SMP DEBUG_PAGEALLOC [ 0.000000] Modules linked in: [ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 4.1.0-rc3-next-20150511 #140 [ 0.000000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.7.5-20140531_083030-gandalf 04/01/2014 [ 0.000000] task: ffffffff8401b580 ti: ffffffff84000000 task.ti: ffffffff84000000 [ 0.000000] RIP: 0010:[] [] __kmem_cache_create+0x324/0x375 [ 0.000000] RSP: 0000:ffffffff84003e38 EFLAGS: 00010087 [ 0.000000] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001 [ 0.000000] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000000 [ 0.000000] RBP: ffffffff84003e98 R08: 0000000000001000 R09: 0000000000000001 [ 0.000000] R10: 0000000000000040 R11: ffffffffffffffc0 R12: ffff880023006f80 [ 0.000000] R13: 0000000000000000 R14: 0000000080000000 R15: 0000000000000040 [ 0.000000] FS: 0000000000000000(0000) GS:ffff880023600000(0000) knlGS:0000000000000000 [ 0.000000] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 0.000000] CR2: ffff8800239ff000 CR3: 0000000004014000 CR4: 00000000000006b0 [ 0.000000] Stack: [ 0.000000] ffffffff84003e48 0000000000000000 0000000080000000 0000000000001001 [ 0.000000] 0000000100000046 0000000000000001 0000000000008000 ffff880023006f80 [ 0.000000] 0000000000000060 ffffffff83a917c8 0000000000002000 0000ffffffff8464 [ 0.000000] Call Trace: [ 0.000000] [] create_boot_cache+0x3c/0x66 [ 0.000000] [] create_kmalloc_cache+0x4f/0x79 [ 0.000000] [] create_kmalloc_caches+0x44/0xe5 [ 0.000000] [] kmem_cache_init+0x155/0x159 [ 0.000000] [] ? console_unlock+0x392/0x3c1 [ 0.000000] [] start_kernel+0x214/0x46f [ 0.000000] [] ? early_idt_handlers+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x2a/0x2c [ 0.000000] [] x86_64_start_kernel+0x12d/0x13c [ 0.000000] Code: 44 24 2c e8 55 51 57 00 4d 85 f6 49 89 44 24 18 48 8b 4d c8 74 17 31 f6 48 89 cf e8 18 49 fd ff 48 83 f8 10 49 89 44 24 40 77 02 <0f> 0b 44 89 ee 4c 89 e7 e8 f8 d9 c2 01 89 c3 31 c0 85 db 74 2d [ 0.000000] RIP [] __kmem_cache_create+0x324/0x375 [ 0.000000] RSP [ 0.000000] ---[ end trace 068e58c69eab2901 ]--- [ 0.000000] Kernel panic - not syncing: Fatal exception Thanks, Ying Huang _______________________________________________ LKP mailing list LKP(a)linux.intel.com