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[Launchpad Bug Tracker <1509196@xxxxxxxxxxxxxxxxxx>]

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: xserver-xorg-video-intel (Ubuntu)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/1509196

Title:
  Screen images and text is garbled

Status in xserver-xorg-video-intel package in Ubuntu:
  Confirmed

Bug description:
  Hi,

   I have upgraded to Kubuntu 15.10  and the upgrade went well without
  any problems. After the reboot I get a screen with completely garbled
  text. I have a Intel 4 series chipset Integrated controller.

  glxinfo | grep render gives:
  direct rendering: Yes
  OpenGL renderer string: Mesa DRI Intel(R) G45/G43

  lsb_release -a

  LSB Version:    core-2.0-amd64:core-2.0-noarch:core-3.0-amd64:core-3.0-noarch:core-3.1-amd64:core-3.1-noarch:core-3.2-amd64:core-3.2-noarch:core-4.0-amd64:core-4.0-noarch:core-4.1-amd64:core-4.1-noarch:cxx-3.0-amd64:cxx-3.0-noarch:cxx-3.1-amd64:cxx-3.1-noarch:cxx-3.2-amd64:cxx-3.2-noarch:cxx-4.0-amd64:cxx-4.0-noarch:cxx-4.1-amd64:cxx-4.1-noarch:desktop-3.1-amd64:desktop-3.1-noarch:desktop-3.2-amd64:desktop-3.2-noarch:desktop-4.0-amd64:desktop-4.0-noarch:desktop-4.1-amd64:desktop-4.1-noarch:graphics-2.0-amd64:graphics-2.0-noarch:graphics-3.0-amd64:graphics-3.0-noarch:graphics-3.1-amd64:graphics-3.1-noarch:graphics-3.2-amd64:graphics-3.2-noarch:graphics-4.0-amd64:graphics-4.0-noarch:graphics-4.1-amd64:graphics-4.1-noarch:languages-3.2-amd64:languages-3.2-noarch:languages-4.0-amd64:languages-4.0-noarch:languages-4.1-amd64:languages-4.1-noarch:multimedia-3.2-amd64:multimedia-3.2-noarch:multimedia-4.0-amd64:multimedia-4.0-noarch:multimedia-4.1-amd64:multimedia-4.1-noarch:printing-3.2-amd64:printing-3.2-noarch:printing-4.0-amd64:printing-4.0-noarch:printing-4.1-amd64:printing-4.1-noarch:qt4-3.1-amd64:qt4-3.1-noarch:security-4.0-amd64:security-4.0-noarch:security-4.1-amd64:security-4.1-noarch
  Distributor ID: Ubuntu
  Description:    Ubuntu 15.10
  Release:        15.10
  Codename:       wily

  
  lspci -vv

  00:02.0 VGA compatible controller: Intel Corporation 4 Series Chipset Integrated Graphics Controller (rev 03) (prog-if 00 [VGA controller])
          Subsystem: Dell Device 02ac
          Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
          Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
          Latency: 0
          Interrupt: pin A routed to IRQ 28
          Region 0: Memory at fe400000 (64-bit, non-prefetchable) [size=4M]
          Region 2: Memory at d0000000 (64-bit, prefetchable) [size=256M]
          Region 4: I/O ports at dc00 [size=8]
          Expansion ROM at <unassigned> [disabled]
          Capabilities: [90] MSI: Enable+ Count=1/1 Maskable- 64bit-
                  Address: fee0f00c  Data: 41b2
          Capabilities: [d0] Power Management version 2
                  Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
                  Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME-
          Capabilities: [a4] PCI Advanced Features
                  AFCap: TP+ FLR+
                  AFCtrl: FLR-
                  AFStatus: TP-
          Kernel driver in use: i915


  I have attached the screen shot. Please let me know if there are any
  workarounds for this so that I can continue my work.

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