Side menu not working after number of pushes

Hi Ionic Team,

I am facing a problem ionic 2 side menu not working when i go through number of pages some page are set as root and some page are pushes on stack.

Here is the Flow for Pages i am going through.

Navigation Stack:
RootPage -> navCtrl.push(Page1) -> navCtrl.setRoot(Page2) -> this.navCtrl.push(Page3) ->

this.navCtrl.push(Page4) -> this.navCtrl.push(Page5) -> this.navCtrl.setRoot(Page6) ->

this.navCtrl.setRoot( Page7)

<ion-menu  class="sproglets_menu"  [content]="content" persistent="true" >


  <!-- (ionOpen)="menuOpened()" (ionClose)="menuClosed()"
   -->
  <ion-content>

    <ion-item no-lines color="transparnt">
      <ion-avatar item-start>
        <img src="assets/images/addimage.png">
      </ion-avatar>
      <h2>Umer</h2>
      <p>Sproglets</p>
    </ion-item>


    <ion-list class="rr-menu" no-lines>

      <button class="search_button" ion-button block item-left round outline color="light" icon-only (click)="Place_order()">
        <ion-icon name='search'></ion-icon>
        Search Jobs
      </button>

      <button ion-item color="transparnt" (click)="Profile()"  detail-none>
        Profile
      </button>

      <button ion-item color="transparnt" (click)="Notifications()"  detail-none>
        Notifications
        <span ion-button clear item-end color="login_btn_color">28</span>
      </button>

      <button ion-item color="transparnt"   detail-none>
        Timesheets
        <span ion-button clear item-end color="login_btn_color">28</span>
      </button>

      <button ion-item color="transparnt" (click)="Payment()"  detail-none>
        Payments
        <span ion-button clear item-end color="login_btn_color">28</span>
      </button>

      <button ion-item color="transparnt" (click)="Setting()"  detail-none>
        Settings
      </button>

      <button ion-item color="transparnt" (click)="Logout()"  detail-none>
        Logout
      </button>

    </ion-list>

  </ion-content>

</ion-menu>

<ion-nav [root]="rootPage" #content swipeBackEnabled="false"></ion-nav>

Ionic Info:
Cordova CLI: 6.5.0
Ionic Framework Version: 3.4.2
Ionic CLI Version: 2.2.1
Ionic App Lib Version: 2.2.0
Ionic App Scripts Version: 1.3.7
ios-deploy version: Not installed
ios-sim version: Not installed
OS: Windows 8.1
Node Version: v4.5.0
Xcode version: Not installed

Side menu works properly if i set Page7 as a root.

Please guide what i am doing wrong. Thanks!