我们板子的android 源码版本是4.2，现在我想把android源码升级到4.4， 用板子原来的kernel和android 4.4制作了一个升级包， 升级成功后， 板子不能正常启动， 启动时报下面的错误：
[ 7.826832@1] CEC node init
[ 7[ 7.881564@0] Changing baud from 0 to 115200
[ 7.931531@1] HDMI: audio channel num is 0
[ 7.931568@1] current VIC: 19
[ 7.932939@1] audio sample rate: 0
[ 7.936324@1] HDMI: reset audio N para
[ 7.940062@1] PCM out to HDMI
[ 7.952194@1] Time out: AIU_HDMI_CLK_DATA_CTRL
[ 7.952218@1] i2s_to_spdif_flag:1
[ 7.954378@1] Enable audio spdif to HDMI
[ 7.958326@1] HDMI: set audio param
[ 7.981689@0] init: cannot open “”/initlogo.rle””
[ 8.164105@0] init: /dev/hw_random not found
[ 8.167079@0] init: cannot find “”/sbin/healthd””, disabling “”healthd””
[ 8.169088@0] init: cannot find “”/system/bin/servicemanager””, disabling “”servicemanager””
[ 8.177253@0] init: cannot find “”/system/bin/vold””, disabling “”vold””
[ 8.183536@0] init: cannot find “”/system/bin/netd””, disabling “”netd””
[ 8.189827@0] init: cannot find “”/system/bin/debuggerd””, disabling “”debuggerd””
[ 8.197217@0] init: cannot find “”/system/bin/rild””, disabling “”ril-daemon””
[ 8.203927@0] init: cannot find “”/system/bin/surfaceflinger””, disabling “”surfaceflinger””
[ 8.211992@0] init: cannot find “”/system/bin/app_process””, disabling “”zygote””
[ 8.219079@0] init: cannot find “”/system/bin/drmserver””, disabling “”drm””
[ 8.225796@0] init: cannot find “”/system/bin/mediaserver””, disabling “”media””
[ 8.232824@0] init: cannot find “”/system/bin/installd””, disabling “”installd””
[ 8.239823@0] init: cannot find “”/system/etc/install-recovery.sh””, disabling “”flash_recovery””
[ 8.248359@0] init: cannot find “”/system/bin/keystore””, disabling “”keystore””
[ 8.255853@0] init: property “”sys.powerctl”” doesn””t exist while expanding “”${sys.powerctl}””
[ 8.263723@0] init: powerctl: cannot expand “”${sys.powerctl}””
[ 8.269421@0] init: property “”sys.sysctl.extra_free_kbytes”” doesn””t exist while expanding “”${sys.sysctl.extra_free_kbytes}””
[ 8.280560@0] init: cannot expand “”${sys.sysctl.extra_free_kbytes}”” while writing to “”/proc/sys/vm/extra_free_kbytes””
[ 8.951538@0] HDMITX: no HDCP key available
[ 8.951562@0] HDMITX: HDCP Key error
[ 8.953642@0] HDMITX: no HDCP key available
[ 8.957803@0] HDMITX: HDCP Key error
有哪位大侠知道怎么解决吗？
