hang after freeing unused kernel memory

[jimi_chen]

redhat 7.3,启动后显示
...
partition check:
rd/codo:rd/codop1...rd/codo/p7
loading aic7xxx module
(scsio) <adaptec aic-7890/1 ultra2 scsi host adapter> found at pci 0/14/0
(scsio) wide channel,scsi id=7,32/255 scbs
(scsio) downloading sequencer code...398 instructions downloaded scsio:adaptec aha274×/284×/294×(eisa /vlb/pci-fast scsi) 5.2.4/5.2.0
loading jbd module
journalled block device driver loaded
loading ext3 module
mounting /proc filesystem
creating root device
mounting root filesystem
kjournald starting.commit interval 5 seconds
ext3-fs:mounted filesystem with ordered data mode
freeing unused kernel memory:240k freed
然后就没有反应了

该如何解决？