mm: OS boot failed when set command-line kmemcheck=1

From: Xishi Qiu
Date: Wed Feb 19 2014 - 01:56:40 EST


Hi all,

CONFIG_KMEMCHECK=y and set command-line "kmemcheck=1", I find OS
boot failed. The kernel is v3.14.0-rc3

If set "kmemcheck=1 nowatchdog", OS will boot successfully.

Here is the boot failed log:
[ 23.586826] Freeing unused kernel memory: 1160K (ffff8800014de000 - ffff88000
1600000)
[ 23.600248] Freeing unused kernel memory: 1696K (ffff880001858000 - ffff88000
1a00000)
[ 23.615534] Kernel panic - not syncing: Attempted to kill init! exitcode=0x00
000005
[ 23.615534]
[ 23.624885] CPU: 0 PID: 1 Comm: init Tainted: G W 3.14.0-rc3-0.1-de
fault+ #1
[ 23.632957] Hardware name: Huawei Technologies Co., Ltd. Tecal RH2285
/BC11BTSA , BIOS CTSAV036 04/27/2011
[ 23.644661] ffff880c1dd28000 ffff880c1dd31c48 ffffffff814ca491 ffff880c1dd31
cc8
[ 23.652416] ffffffff814ca1e6 0000000000000010 ffff880c1dd31cd8 ffff880c1dd31
c78
[ 23.660171] 0000000000000027 ffff880c1dcb8280 0000000000000005 ffff880c1dd28
000
[ 23.667931] Call Trace:
[ 23.670482] [<ffffffff814ca491>] dump_stack+0x6a/0x79
[ 23.675712] [<ffffffff814ca1e6>] panic+0xb9/0x1f4
[ 23.680599] [<ffffffff8104f78e>] forget_original_parent+0x42e/0x430
[ 23.687043] [<ffffffff81107da0>] ? perf_cgroup_switch+0x170/0x170
[ 23.693314] [<ffffffff8104f7a1>] exit_notify+0x11/0x140
[ 23.698722] [<ffffffff8104fb00>] do_exit+0x230/0x490
[ 23.703865] [<ffffffff8104fda3>] do_group_exit+0x43/0xb0
[ 23.709357] [<ffffffff8105fb31>] get_signal_to_deliver+0x241/0x4b0
[ 23.715713] [<ffffffff81002a0c>] do_notify_resume+0xac/0x1a0
[ 23.721551] [<ffffffff814d712a>] int_signal+0x12/0x17
[ 23.726786] Kernel Offset: 0x0 from 0xffffffff81000000 (relocation range: 0xf
fffffff80000000-0xffffffff9fffffff)

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/