raspberry pi stuck when booting, after serial console print "EXT4-fs (mmcblk0p2): re-mounted. Opts: (null)",solution is fsck ur cf/sd card file system

Directly power up/down(have not execute shutdown -h -P now in shell), my raspberry pi cannot startup finally... serial console info print like below, after that, the serial console have no responsed.

[ 5.546612] bcm2708_spi bcm2708_spi.0: master is unqueued, this is deprecated [ 5.681943] bcm2708_spi bcm2708_spi.0: SPI Controller at 0x20204000 (irq 80) [ 6.846068] bcm2708-i2s bcm2708-i2s.0: Failed to create debugfs directory [ 7.866923] usbcore: registered new interface driver rtl8192cu [ 10.152477] EXT4-fs (mmcblk0p2): re-mounted. Opts: (null)

google tell me a solution: fsck file system on cf/sd card. http://raspberrypi.stackexchange.com/questions/24592/rpi-freezes-after-booting Alright, unplug cf/sd card and insert to a USB card reader, then mount it under my ubuntu 14.04 OS pc, then execute fsck, all done.

[ 5.546612] bcm2708_spi bcm2708_spi.0: master is unqueued, this is deprecated [ 5.681943] bcm2708_spi bcm2708_spi.0: SPI Controller at 0x20204000 (irq 80) [ 6.846068] bcm2708-i2s bcm2708-i2s.0: Failed to create debugfs directory [ 7.866923] usbcore: registered new interface driver rtl8192cu [ 10.152477] EXT4-fs (mmcblk0p2): re-mounted. Opts: (null)