[Sony Xperia P, U, Sola, Go] giober98:
If i play a video in browser back key won't respond

And opening incognito tab will force close browser

If you know what i mean

Edit: logcat taken with catlog

build.board: montblanc

build.bootloader: s1

build.brand: Sony

build.cpu_abi: armeabi-v7a

build.cpu_abi2: armeabi

build.device: pepper

build.display: AOSX 4.4.2_r2 V0

build.fingerprint: AOSX-4.4.2_r2-V0

build.hardware: st-ericsson

build.host: LinuxHost

build.id: KVT49L

build.manufacturer: Sony

build.model: Xperia Sola

build.product: full_pepper

build.radio: unknown

build.serial: BX903CCH4U

build.tags: test-keys

build.time: 1397398601000

build.type: userdebug

build.user: AOSX

version.codename: REL

version.incremental: eng.speed_bot.20140413.160034

version.release: 4.4.2

version.sdk_int: 19

04-14 16:55:57.383 E/AndroidRuntime(3038): FATAL EXCEPTION: main

04-14 16:55:57.383 E/AndroidRuntime(3038): Process: com.android.browser, PID: 3038

04-14 16:55:57.383 E/AndroidRuntime(3038): java.lang.IllegalArgumentException: Private browsing is not supported in WebView.

04-14 16:55:57.383 E/AndroidRuntime(3038): at com.android.webview.chromium.WebViewChromium.init(WebViewChromium.java:203)

04-14 16:55:57.383 E/AndroidRuntime(3038): at android.webkit.WebView.<init>(WebView.java:508)

04-14 16:55:57.383 E/AndroidRuntime(3038): at android.webkit.WebView.<init>(WebView.java:475)

04-14 16:55:57.383 E/AndroidRuntime(3038): at com.android.browser.BrowserWebView.<init>(BrowserWebView.java:63)

04-14 16:55:57.383 E/AndroidRuntime(3038): at com.android.browser.BrowserWebViewFactory.instantiateWebView(BrowserWebViewFactory.java:37)

04-14 16:55:57.383 E/AndroidRuntime(3038): at com.android.browser.BrowserWebViewFactory.createWebView(BrowserWebViewFactory.java:47)

04-14 16:55:57.383 E/AndroidRuntime(3038): at com.android.browser.TabControl.createNewWebView(TabControl.java:629)

04-14 16:55:57.383 E/AndroidRuntime(3038): at com.android.browser.TabControl.createNewTab(TabControl.java:201)

04-14 16:55:57.383 E/AndroidRuntime(3038): at com.android.browser.TabControl.createNewTab(TabControl.java:191)

04-14 16:55:57.383 E/AndroidRuntime(3038): at com.android.browser.Controller.createNewTab(Controller.java:2328)

04-14 16:55:57.383 E/AndroidRuntime(3038): at com.android.browser.Controller.openTab(Controller.java:2308)

04-14 16:55:57.383 E/AndroidRuntime(3038): at com.android.browser.Controller.openTab(Controller.java:2296)

04-14 16:55:57.383 E/AndroidRuntime(3038): at com.android.browser.Controller.openIncognitoTab(Controller.java:2290)

04-14 16:55:57.383 E/AndroidRuntime(3038): at com.android.browser.Controller.onOptionsItemSelected(Controller.java:1558)

04-14 16:55:57.383 E/AndroidRuntime(3038): at com.android.browser.BrowserActivity.onOptionsItemSelected(BrowserActivity.java:219)

04-14 16:55:57.383 E/AndroidRuntime(3038): at android.app.Activity.onMenuItemSelected(Activity.java:2600)

04-14 16:55:57.383 E/AndroidRuntime(3038): at com.android.internal.policy.impl.PhoneWindow.onMenuItemSelected(PhoneWindow.java:1012)

04-14 16:55:57.383 E/AndroidRuntime(3038): at com.android.internal.view.menu.MenuBuilder.dispatchMenuItemSelected(MenuBuilder.java:735)

04-14 16:55:57.383 E/AndroidRuntime(3038): at com.android.internal.view.menu.MenuItemImpl.invoke(MenuItemImpl.java:152)

04-14 16:55:57.383 E/AndroidRuntime(3038): at com.android.internal.view.menu.MenuBuilder.performItemAction(MenuBuilder.java:874)

04-14 16:55:57.383 E/AndroidRuntime(3038): at com.android.internal.view.menu.ListMenuPresenter.onItemClick(ListMenuPresenter.java:166)

04-14 16:55:57.383 E/AndroidRuntime(3038): at android.widget.AdapterView.performItemClick(AdapterView.java:299)

04-14 16:55:57.383 E/AndroidRuntime(3038): at android.widget.AbsListView.performItemClick(AbsListView.java:1113)

04-14 16:55:57.383 E/AndroidRuntime(3038): at android.widget.AbsListView$PerformClick.run(AbsListView.java:2904)

04-14 16:55:57.383 E/AndroidRuntime(3038): at android.widget.AbsListView$3.run(AbsListView.java:3638)

04-14 16:55:57.383 E/AndroidRuntime(3038): at android.os.Handler.handleCallback(Handler.java:733)

04-14 16:55:57.383 E/AndroidRuntime(3038): at android.os.Handler.dispatchMessage(Handler.java:95)

04-14 16:55:57.383 E/AndroidRuntime(3038): at android.os.Looper.loop(Looper.java:136)

04-14 16:55:57.383 E/AndroidRuntime(3038): at android.app.ActivityThread.main(ActivityThread.java:5017)

04-14 16:55:57.383 E/AndroidRuntime(3038): at java.lang.reflect.Method.invokeNative(Native Method)

04-14 16:55:57.383 E/AndroidRuntime(3038): at java.lang.reflect.Method.invoke(Method.java:515)

04-14 16:55:57.383 E/AndroidRuntime(3038): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:779)

04-14 16:55:57.383 E/AndroidRuntime(3038): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:595)

04-14 16:55:57.383 E/AndroidRuntime(3038): at dalvik.system.NativeStart.main(Native Method)

04-14 16:55:59.645 E/InputDispatcher(2098): channel '42956598 com.android.browser/com.android.browser.BrowserActivity (server)' ~ Channel is unrecoverably broken and will be disposed!

04-14 16:55:59.645 E/InputDispatcher(2098): channel '42958210 AtchDlg:com.android.browser/com.android.browser.BrowserActivity (server)' ~ Channel is unrecoverably broken and will be disposed!