[Android Software/Hacking General [Developers Only]] impactor:
I have a problem with the script. I have it installed, but when I want to move dalvik-cache from external back to internal, the phone no longer boots, and adb logcat returns this:

D/AndroidRuntime( 3965):
D/AndroidRuntime( 3965): >>>>>> AndroidRuntime START com.android.internal.os.ZygoteInit <<<<<<
I/AndroidRuntime( 3965): Heap size: -Xmx32m
D/AndroidRuntime( 3965): CheckJNI is OFF
D/dalvikvm( 3965): creating instr width table
E/dalvikvm( 3965): Can't open dex cache '/data/dalvik-cache/system@framework@core.jar@classes.dex': No such file or directory
I/dalvikvm( 3965): Unable to open or create cache for /system/framework/core.jar (/data/dalvik-cache/system@framework@core.jar@classes.dex)
D/dalvikvm( 3965): Unable to process classpath element '/system/framework/core.jar'
E/dalvikvm( 3965): Can't open dex cache '/data/dalvik-cache/system@framework@bouncycastle.jar@classes.dex': No such file or directory
I/dalvikvm( 3965): Unable to open or create cache for /system/framework/bouncycastle.jar (/data/dalvik-cache/system@framework@bouncycastle.jar@classes.dex)
D/dalvikvm( 3965): Unable to process classpath element '/system/framework/bouncycastle.jar'
E/dalvikvm( 3965): Can't open dex cache '/data/dalvik-cache/system@framework@ext.jar@classes.dex': No such file or directory
I/dalvikvm( 3965): Unable to open or create cache for /system/framework/ext.jar (/data/dalvik-cache/system@framework@ext.jar@classes.dex)
D/dalvikvm( 3965): Unable to process classpath element '/system/framework/ext.jar'
E/dalvikvm( 3965): Can't open dex cache '/data/dalvik-cache/system@framework@framework.jar@classes.dex': No such file or directory
I/dalvikvm( 3965): Unable to open or create cache for /system/framework/framework.jar (/data/dalvik-cache/system@framework@framework.jar@classes.dex)
D/dalvikvm( 3965): Unable to process classpath element '/system/framework/framework.jar'
E/dalvikvm( 3965): Can't open dex cache '/data/dalvik-cache/system@framework@android.policy.jar@classes.dex': No such file or directory
I/dalvikvm( 3965): Unable to open or create cache for /system/framework/android.policy.jar (/data/dalvik-cache/system@framework@android.policy.jar@classes.dex)
D/dalvikvm( 3965): Unable to process classpath element '/system/framework/android.policy.jar'
E/dalvikvm( 3965): Can't open dex cache '/data/dalvik-cache/system@framework@services.jar@classes.dex': No such file or directory
I/dalvikvm( 3965): Unable to open or create cache for /system/framework/services.jar (/data/dalvik-cache/system@framework@services.jar@classes.dex)
D/dalvikvm( 3965): Unable to process classpath element '/system/framework/services.jar'
E/dalvikvm( 3965): Can't open dex cache '/data/dalvik-cache/system@framework@core-junit.jar@classes.dex': No such file or directory
I/dalvikvm( 3965): Unable to open or create cache for /system/framework/core-junit.jar (/data/dalvik-cache/system@framework@core-junit.jar@classes.dex)
D/dalvikvm( 3965): Unable to process classpath element '/system/framework/core-junit.jar'
E/dalvikvm( 3965): No valid entries found in bootclasspath '/system/framework/core.jar:/system/framework/bouncycastle.jar:/system/framework/ext.jar:/system/framework/framework.jar:/system/framework/android.policy.jar:/system/framework/services.jar:/system/framework/core-junit.jar'
W/dalvikvm( 3965): JNI_CreateJavaVM failed
E/AndroidRuntime( 3965): JNI_CreateJavaVM failed
I/ServiceManager( 3680): service 'media.audio_flinger' died
I/ServiceManager( 3680): service 'media.player' died
I/ServiceManager( 3680): service 'media.camera' died
I/ServiceManager( 3680): service 'media.audio_policy' died
I/Netd ( 3967): Netd 1.0 starting
I/ ( 3966): ServiceManager: 0xad50
E/AudioHardwareQSD( 3966): Cannot open /dev/audience_a1026 -1
I/HTC Acoustic( 3966): libhtc_acoustic.so version 2.0.1.5
E/HTC Acoustic( 3966): Fail to open /system/etc/AdieHWCodecSetting.csv -1.
E/HTC Acoustic( 3966): read ADIE para from file failed -1
E/HTC Acoustic( 3966): ioctl ACOUSTIC_UPDATE_ADIE failed -1
I/HTC Acoustic( 3966): open /system/etc/AudioBTID.csv success.
I/HTC Acoustic( 3966): BT ID table version: PASSION_HTC_20091105
E/HTC Acoustic( 3966): Fail to open /system/etc/TPA2018.csv -1.
D/AudioHardwareQSD( 3966): speaker amplifier tpa2018 is not supported
D/AudioHardwareInterface( 3966): setMode(NORMAL)
I/AudioHardwareQSD( 3966): Set master volume to 1.000000
I/CameraService( 3966): CameraService started (pid=3966)
D/AudioFlinger( 3966): setParameters(): io 1, keyvalue routing=2, tid 3972, calling tid 3966
I/AudioFlinger( 3966): AudioFlinger's thread 0xea80 ready to run
I/AudioHardwareQSD( 3966): Routing audio to Speakerphone
D/AudioHardwareQSD( 3966): Switching audio device to
D/AudioHardwareQSD( 3966): Speakerphone
I/AudioHardwareQSD( 3966): voice volume 5 (range is 0 to 5)
D/AudioHardwareQSD( 3966): Setting in-call volume to 100