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Message-ID: <20140307110803.GA19196@localhost>
Date: Fri, 7 Mar 2014 19:08:03 +0800
From: Fengguang Wu <fengguang.wu@...el.com>
To: Christoph Lameter <cl@...ux.com>
Cc: Andrew Morton <akpm@...ux-foundation.org>,
linux-kernel@...r.kernel.org
Subject: [__slab_free] BUG: using __this_cpu_add() in preemptible [00000000]
code: init/1
Christoph,
FYI, here is one more back trace triggered by
commit a25982c15ae5298520033cd5848a82adf6a97376
Author: Christoph Lameter <cl@...ux.com>
AuthorDate: Thu Mar 6 11:05:21 2014 +1100
percpu: add preemption checks to __this_cpu ops
+--------------------------------------------------------------+------------+------------+---------------+
| | 26d02cfa38 | a25982c15a | next-20140306 |
+--------------------------------------------------------------+------------+------------+---------------+
| boot_successes | 73 | 0 | 0 |
| boot_failures | 7 | 20 | 19 |
| BUG:unable_to_handle_kernel_paging_request | 1 | | |
| Oops:PREEMPT_SMP | 1 | | |
| EIP_is_at_follow_page_mask | 1 | | |
| backtrace:__mm_populate | 1 | | |
| backtrace:SyS_mlockall | 1 | | |
| WARNING:CPU:PID:at_arch/x86/kernel/cpu/amd.c:init_amd() | 4 | | |
| backtrace:init_amd | 4 | | |
| backtrace:warn_slowpath_fmt | 4 | | |
| BUG:kernel_boot_hang | 2 | | |
| BUG:using__this_cpu_add()in_preemptible_code:init | 0 | 20 | 19 |
| BUG:using__this_cpu_add()in_preemptible_code:udevd | 0 | 14 | 11 |
| backtrace:do_execve | 0 | 20 | 19 |
| backtrace:run_init_process | 0 | 20 | 19 |
| backtrace:user_path_at | 0 | 20 | 19 |
| backtrace:SyS_faccessat | 0 | 20 | 19 |
| backtrace:SyS_access | 0 | 20 | 19 |
| BUG:using__this_cpu_add()in_preemptible_code:mountall | 0 | 1 | |
| backtrace:SyS_execve | 0 | 1 | 3 |
| backtrace:do_sys_open | 0 | 8 | 9 |
| backtrace:SyS_open | 0 | 8 | 9 |
| backtrace:do_group_exit | 0 | 2 | 4 |
| backtrace:SyS_exit_group | 0 | 2 | 4 |
| BUG:using__this_cpu_add()in_preemptible_code:bootlogd | 0 | 1 | 4 |
| BUG:using__this_cpu_add()in_p | 0 | 1 | |
| BUG:using__this_cpu_add()in_preemptible_code:udevadm | 0 | 0 | 5 |
| BUG:using__this_cpu_add()in_preemptible_code:-trinity | 0 | 0 | 2 |
| BUG:using__this_cpu_add()in_preemptible_code:upstart-udev-br | 0 | 0 | 2 |
| BUG:using__this_cpu_add()in_preemptible_code:sh | 0 | 0 | 1 |
| BUG:using__this_cpu_add()in_preemptible_code:update-modules | 0 | 0 | 2 |
| BUG:using__this_cpu_add()in_preemptible_code:trinity | 0 | 0 | 1 |
| backtrace:vfs_stat | 0 | 0 | 1 |
| backtrace:SyS_stat64 | 0 | 0 | 1 |
+--------------------------------------------------------------+------------+------------+---------------+
[ 4.164485] Write protecting the kernel text: 9076k
[ 4.166234] Write protecting the kernel read-only data: 2904k
[ 4.167832] NX-protecting the kernel data: 5260k
[ 4.169996] BUG: using __this_cpu_add() in preemptible [00000000] code: init/1
[ 4.172629] caller is __this_cpu_preempt_check+0x2d/0x40
[ 4.174259] CPU: 1 PID: 1 Comm: init Not tainted 3.14.0-rc5-next-20140306-06952-g0ffb2fe #3
[ 4.177120] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 4.178635] 00000000 00000000 cf477d3c c18d4eeb 00000001 cf477d60 c12e80b9 c1ace2c8
[ 4.182201] cf477d78 00000000 cf4782a4 00000001 cf477d78 cfc455c0 cf477da4 c12e810d
[ 4.186749] cf477d78 00000028 c1acdb6d c1b42ef1 68745f5f 635f7369 615f7570 29286464
[ 4.190306] Call Trace:
[ 4.191374] [<c18d4eeb>] dump_stack+0x4b/0x75
[ 4.192838] [<c12e80b9>] check_preemption_disabled+0xc9/0xe0
[ 4.194598] [<c12e810d>] __this_cpu_preempt_check+0x2d/0x40
[ 4.196363] [<c10f7343>] ? __split_vma.isra.29+0x23/0x150
[ 4.197913] [<c18d4579>] __slab_free+0x1e/0x43c
[ 4.199341] [<c10f6825>] ? __remove_shared_vm_struct+0x35/0x50
[ 4.201173] [<c10f03b0>] ? free_pgtables+0x80/0xb0
[ 4.202712] [<c1068ecb>] ? get_parent_ip+0xb/0x40
[ 4.204237] [<c1068fff>] ? preempt_count_sub+0x5f/0xe0
[ 4.205809] [<c1104c08>] kmem_cache_free+0x138/0x190
[ 4.207394] [<c10f66c5>] ? remove_vma+0x45/0x50
[ 4.208936] [<c10f66c5>] ? remove_vma+0x45/0x50
[ 4.210450] [<c10f66c5>] remove_vma+0x45/0x50
[ 4.212026] [<c10f8225>] do_munmap+0x1f5/0x2a0
[ 4.213596] [<c10f8302>] vm_munmap+0x32/0x50
[ 4.215039] [<c1153772>] load_elf_binary+0x10c2/0x11d0
[ 4.216750] [<c1068fff>] ? preempt_count_sub+0x5f/0xe0
[ 4.218388] [<c11132c2>] search_binary_handler+0x62/0x170
[ 4.220182] [<c105a15e>] ? __task_pid_nr_ns+0x5e/0xa0
[ 4.221864] [<c11145d8>] do_execve+0x418/0x570
[ 4.223313] [<c100036c>] run_init_process+0x1c/0x20
[ 4.224943] [<c18ce7d7>] kernel_init+0x37/0xe0
[ 4.226498] [<c18dba37>] ret_from_kernel_thread+0x1b/0x28
[ 4.228310] [<c18ce7a0>] ? rest_init+0x70/0x70
git bisect start 0ffb2fe7b9c30082876fa3a17da018bf0632cf03 09de192242d86ede449146ac423effca53bc1810 --
git bisect bad 439cde1f3d8230f858c0a55902381d24cd7a2df2 # 13:05 0- 4 Merge branch 'akpm/master'
git bisect good ce34778eb4d9fa0aaaeae76c1068026ee5255fd7 # 13:11 20+ 0 Merge branch 'akpm-current/current'
git bisect good 117314461e82adabb6b78dcb03259da75b50833b # 13:23 20+ 1 mm: don't implictly include linux/mm.h in linux/sched.h
git bisect bad 9d58cf7a388c1b4a06cb335980eb1bb1352ba876 # 13:41 0- 1 scheduler: replace __get_cpu_var with this_cpu_ptr
git bisect bad b2ff2cfebad92bebfca28bad650045821ed270c4 # 13:49 0- 1 tracing: replace __get_cpu_var uses with this_cpu_ptr
git bisect good 6fb77936481538ba05726345d86af4b39128a8a9 # 14:41 20+ 0 arm: move arm_dma_limit to setup_dma_zone
git bisect good d1cea07efbfa2723ca1b83d3a69d1f1000896d4d # 15:06 20+ 1 modules: use raw_cpu_write for initialization of per cpu refcount.
git bisect bad a25982c15ae5298520033cd5848a82adf6a97376 # 15:16 0- 8 percpu: add preemption checks to __this_cpu ops
git bisect good 26d02cfa385067c39c0407b022c01a011c2fbb51 # 15:43 20+ 1 net: replace __this_cpu_inc in route.c with raw_cpu_inc
# first bad commit: [a25982c15ae5298520033cd5848a82adf6a97376] percpu: add preemption checks to __this_cpu ops
git bisect good 26d02cfa385067c39c0407b022c01a011c2fbb51 # 16:02 60+ 7 net: replace __this_cpu_inc in route.c with raw_cpu_inc
git bisect bad 0ffb2fe7b9c30082876fa3a17da018bf0632cf03 # 16:03 0- 19 Add linux-next specific files for 20140306
git bisect good cc0ca6b3d97f5006e536a2601a3569baed920397 # 16:31 60+ 1 Revert "percpu: add preemption checks to __this_cpu ops"
git bisect good c3bebc71c4bcdafa24b506adf0c1de3c1f77e2e0 # 17:02 60+ 0 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
git bisect good 1b0a7e3263168a06d3858798e48c5a21d1c78d3c # 18:40 60+ 2 Add linux-next specific files for 20140307
Thanks,
Fengguang
View attachment "dmesg-yocto-xian-35:20140307044610:i386-randconfig-x0-03070431:3.14.0-rc5-next-20140306-06952-g0ffb2fe:3" of type "text/plain" (68315 bytes)
View attachment "config-3.14.0-rc5-next-20140306-06952-g0ffb2fe" of type "text/plain" (95189 bytes)
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