[Sony Ericsson XPERIA X10 Mini] Chiui:
any hint on how to restore it?

I can enter safe mode, (pressing MENU key at boot) but I can't figure out what to fix.

Here is the logcat of homescreen crashing

W/ActivityManager( 1159): Activity pause timeout for HistoryRecord{2ff36928 com.sonyericsson.homescreen/.HomeScreen}
I/WindowManager( 1159): onOrientationChanged, rotation changed to 0
W/KeyCharacterMap( 1159): Can't open keycharmap file
W/KeyCharacterMap( 1159): Error loading keycharmap file '/system/usr/keychars/robyn_keypad.kcm.bin'. hw.keyboards.0.devname='robyn_keypad'
W/KeyCharacterMap( 1159): Using default keymap: /system/usr/keychars/qwerty.kcm.bin
D/KeyguardViewMediator( 1159): pokeWakelock(5000)
I/ActivityManager( 1159): Process com.sonyericsson.homescreen (pid 1768) has died.
I/ActivityManager( 1159): Start proc com.sonyericsson.homescreen for activity com.sonyericsson.homescreen/.HomeScreen: pid=1780 uid=10009 gids={1015, 3003}
W/UsageStats( 1159): Something wrong here, didn't expect com.sonyericsson.homescreen to be resumed
I/ActivityThread( 1780): Publishing provider com.sonyericsson.homescreen.widgetprovider: com.sonyericsson.homescreen.widgetprovider.WidgetProvider
I/ActivityThread( 1780): Publishing provider com.sonyericsson.homescreen.settingsprovider: com.sonyericsson.homescreen.settingsprovider.SettingsProvider
I/ActivityManager( 1159): Starting activity: Intent { act=android.intent.action.MAIN cat=[android.intent.category.HOME] flg=0x10200000 cmp=com.sonyericsson.homescreen/.HomeScreen }
I/ActivityManager( 1159): Starting activity: Intent { act=android.intent.action.MAIN cat=[android.intent.category.HOME] flg=0x10200000 cmp=com.sonyericsson.homescreen/.HomeScreen }
W/dalvikvm( 1780): threadid=3: thread exiting with uncaught exception (group=0x2aac9a28)
E/AndroidRuntime( 1780): Uncaught handler: thread main exiting due to uncaught exception
I/global ( 1780): Default buffer size used in BufferedWriter constructor. It would be better to be explicit if an 8k-char buffer is required.
E/AndroidRuntime( 1780): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.sonyericsson.homescreen/com.sonyericsson.homescreen.HomeScreen}: java.lang.ClassCastException: android.graphics.drawable.NinePatchDrawable
E/AndroidRuntime( 1780): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2401)
E/AndroidRuntime( 1780): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2417)
E/AndroidRuntime( 1780): at android.app.ActivityThread.access$2100(ActivityThread.java:116)
E/AndroidRuntime( 1780): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1794)
E/AndroidRuntime( 1780): at android.os.Handler.dispatchMessage(Handler.java:99)
E/AndroidRuntime( 1780): at android.os.Looper.loop(Looper.java:123)
E/AndroidRuntime( 1780): at android.app.ActivityThread.main(ActivityThread.java:4203)
E/AndroidRuntime( 1780): at java.lang.reflect.Method.invokeNative(Native Method)
E/AndroidRuntime( 1780): at java.lang.reflect.Method.invoke(Method.java:521)
E/AndroidRuntime( 1780): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:799)
E/AndroidRuntime( 1780): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:557)
E/AndroidRuntime( 1780): at dalvik.system.NativeStart.main(Native Method)
E/AndroidRuntime( 1780): Caused by: java.lang.ClassCastException: android.graphics.drawable.NinePatchDrawable
E/AndroidRuntime( 1780): at com.sonyericsson.homescreen.applicationloader.ItemFactory.internalCreateApplication(ItemFactory.java:90)
E/AndroidRuntime( 1780): at com.sonyericsson.homescreen.applicationloader.ItemFactory.createApplication(ItemFactory.java:49)
E/AndroidRuntime( 1780): at com.sonyericsson.homescreen.applicationloader.ApplicationLoader.loadApplicationInfoList(ApplicationLoader.java:84)
E/AndroidRuntime( 1780): at com.sonyericsson.homescreen.launcher.model.LauncherModel.loadApplications(LauncherModel.java:846)
E/AndroidRuntime( 1780): at com.sonyericsson.homescreen.launcher.model.LauncherModel.<init>(LauncherModel.java:223)
E/AndroidRuntime( 1780): at com.sonyericsson.homescreen.launcher.model.LauncherModel.getInstance(LauncherModel.java:327)
E/AndroidRuntime( 1780): at com.sonyericsson.homescreen.HomeScreen.onCreate(HomeScreen.java:243)
E/AndroidRuntime( 1780): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1123)
E/AndroidRuntime( 1780): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2364)
E/AndroidRuntime( 1780): ... 11 more
I/CrashSMS( 1412): FileObserver found new crash data. Send DO_CRASH_MSG_ACTION
I/CrashSMS( 1412): Received DO_CRASH_MSG_ACTION
I/global ( 1412): Default buffer size used in BufferedReader constructor. It would be better to be explicit if an 8k-char buffer is required.
I/CrashSMS( 1412): Picking oldest crash data file 1281433209.txt
I/CrashSMS( 1412): Compiling the crash report
I/global ( 1412): Default buffer size used in BufferedReader constructor. It would be better to be explicit if an 8k-char buffer is required.
W/TimeStamp( 1412): TimeStamp is different! Directory: /system/app
I/CrashSMS( 1412): Storing report: type=2 unit=1
I/CrashSMS( 1412): MiscTA index = 2:1 1:1 10:1 9:1 8:1 7:1 6:1 5:1 4:1 3:1
I/MTBFParamSet( 1412): Converting to MTBF Message
I/CrashSMS( 1412): update counters and delete crash data
I/DumpStateReceiver( 1159): Added state dump to 1 crashes