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[咨询]你好，我公司买了一块4412全功能开发板，运行几分钟后终端提示以下信息：
root@android:/system/bin # [ 619.401808] request_suspend_state: sleep (0->3) at 619401760506 (2015-07-16 07:50:16.336305003 UTC)
[ 619.410218] s3cfb_early_suspend is called
[ 619.413445] (s3cfb_backlight_off, 479): LCD_PWM_OFF
[ 619.435645] (s3cfb_backlight_off, 507): BK_VDD_OFF
[ 679.641917] PM: Syncing filesystems ... done.
[ 679.691219] Freezing user space processes ... (elapsed 0.01 seconds) done.
[ 679.711208] Freezing remaining freezable tasks ... (elapsed 0.01 seconds) done.
[ 679.731190] Suspending console(s) (use no_console_suspend to debug)
这是什么情况？