Android(安卓)4.4不能启动问题的解决

Log信息过滤错误信息：

01-0113:46:26.800:E/dalvikvm(27655):Dexcachedirectoryisn'twritable:/data/dalvik-cache

01-0113:46:26.810:E/dalvikvm(27655):Dexcachedirectoryisn'twritable:/data/dalvik-cache

01-0113:46:26.810:E/dalvikvm(27655):Novalidentriesfoundinbootclasspath'/system/framework/core.jar:/system/framework/conscrypt.jar:/system/framework/okhttp.jar:/system/framework/core-junit.jar:/system/framework/bouncycastle.jar:/system/framework/ext.jar:/system/framework/framework.jar:/system/framework/framework2.jar:/system/framework/telephony-common.jar:/system/framework/voip-common.jar:/system/framework/mms-common.jar:/system/framework/android.policy.jar:/system/framework/services.jar:/system/framework/apache-xml.jar:/system/framework/webviewchromium.jar:/system/framework/userExperienceService.jar'

01-0113:46:26.810:E/dalvikvm(27655):VMaborting

01-0113:46:26.810:A/libc(27655):Fatalsignal6(SIGABRT)at0x00006c07(code=-6),thread27655(zygote)

01-0113:46:28.120:E/CameraHal_Module(27696):xml_copy_and_write_camname222OPEN/data/media_profiles.xmlTEMPFALIDw

01-0113:46:28.120:E/CameraHal_Module(27696):Open/dev/video0failed!strr:Nosuchfileordirectory

01-0113:46:28.130:E/AudioFlinger(27696):nowakelocktoupdate!

查看mount结果：

root@rk3188:/data#mount

rootfs/rootfsro,relatime00

tmpfs/devtmpfsrw,seclabel,nosuid,relatime,mode=75500

devpts/dev/ptsdevptsrw,seclabel,relatime,mode=60000

proc/procprocrw,relatime00

sysfs/syssysfsrw,seclabel,relatime00

selinuxfs/sys/fs/selinuxselinuxfsrw,relatime00

none/acctcgrouprw,relatime,cpuacct00

none/sys/fs/cgrouptmpfsrw,seclabel,relatime,mode=750,gid=100000

none/sys/fs/cgroup/memorycgrouprw,relatime,memory00

tmpfs/mnt/securetmpfsrw,seclabel,relatime,mode=70000

tmpfs/mnt/asectmpfsrw,seclabel,relatime,mode=755,gid=100000

tmpfs/mnt/obbtmpfsrw,seclabel,relatime,mode=755,gid=100000

none/dev/cpuctlcgrouprw,relatime,cpu00

/dev/block/platform/emmc/by-name/system/systemext4rw,seclabel,relatime,user_xattr,barrier=1,data=ordered,noauto_da_alloc00

/dev/block/platform/emmc/by-name/cache/cacheext4rw,seclabel,nosuid,nodev,noatime,nodiratime,user_xattr,barrier=1,data=ordered,noauto_da_alloc,discard00

/sys/kernel/debug/sys/kernel/debugdebugfsrw,relatime00

/dev/fuse/mnt/shell/emulatedfuserw,nosuid,nodev,relatime,user_id=1023,group_id=1023,default_permissions,allow_other00

root@rk3188:/data#

居然没有data分区，这是怎么回事？先更新为4.4的paremeter进行测试。

更新后问题得以解决，拍照留念，这就是传说中的经验？

root@rk3188:/#mount|grepdata

/dev/block/platform/emmc/by-name/system/systemext4ro,seclabel,noatime,nodiratime,user_xattr,barrier=1,data=ordered,noauto_da_alloc00

/dev/block/platform/emmc/by-name/cache/cacheext4rw,seclabel,nosuid,nodev,noatime,nodiratime,user_xattr,barrier=1,data=ordered,noauto_da_alloc,discard00

/dev/block/platform/emmc/by-name/metadata/metadataext4rw,seclabel,nosuid,nodev,noatime,nodiratime,user_xattr,barrier=1,noauto_da_alloc,discard00

/dev/block/platform/emmc/by-name/userdata/dataext4rw,seclabel,nosuid,nodev,noatime,nodiratime,user_xattr,barrier=1,data=ordered,noauto_da_alloc,discard00

root@rk3188:/#

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