init: untracked pid 2512 exited 错误

我的板子是imx6,系统位android4.3,从sd卡启动系统后,在终端能够输入ls等命令,但是一直打印
init: untracked pid 2512 exited这样的错误,如下所示:
VFP support v0.3:
mmc1: new high speed SDHC card at address aaaa
mmcblk1: mmc1:aaaa SS08G 7.40 GiB
mmcblk1: p1 p2 p3 < p5 p6 p7 p8 > p4
mmcblk1: p4 size 13352010 extends beyond EOD, truncated
implementor 41 architecture 3 part 30 variant 9 rev 4
Bus freq driver module loaded
Bus freq driver Enabled
mxc_dvfs_core_probe
DVFS driver module loaded
regulator_init_complete: SPKVDD: incomplete constraints, leaving on
snvs_rtc snvs_rtc.0: setting system clock to 1970-01-02 00:19:27 UTC (87567)
Freeing init memory: 248K
init: cannot find '/system/bin/dbus-daemon', disabling 'dbus'
init: cannot find '/system/etc/install-recovery.sh', disabling 'flash_recovery'
android_usb: already disabled
mtp_bind_config
root@sabresd_6dq:/ # init: untracked pid 2241 exited
ehci_fsl_bus_suspend begins, Host 1
ehci_fsl_bus_suspend ends, Host 1
init: untracked pid 2296 exited
warning: `zygote' uses 32-bit capabilities (legacy support in use)
init: untracked pid 2512 exited
init: untracked pid 2517 exited
init: untracked pid 2531 exited
网上有所是文件权限问题,需要修改init.rc中的rootfs的权限,我修改了之后,仍然存在这个提醒.
希望大家给个意见.
谢谢!