[Bug 1753776] Re: Graphics corruption just before login animation to Xorg sessions (Intel gen9 GPUs only)

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** Changed in: mesa
       Status: Confirmed => Unknown

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Title:
  Graphics corruption just before login animation to Xorg sessions
  (Intel gen9 GPUs only)

Status in Mesa:
  Unknown
Status in gdm3 package in Ubuntu:
  Invalid
Status in mesa package in Ubuntu:
  Fix Released
Status in wayland package in Ubuntu:
  Invalid
Status in gdm3 source package in Bionic:
  Invalid
Status in mesa source package in Bionic:
  Fix Released
Status in wayland source package in Bionic:
  Invalid

Bug description:
  Immediately after login (I enter the password and hit enter) the screen "crumbles" for few seconds, then all becomes normal and the system works fine. I have done apt update+upgrade many times, also with proposed enabled, I have also installed a new ISO (now i'm using the Alpha dated 20180305) but the problem remains. The problem happens with the x11 session but not with wayland. 
  Also problem does not show with different hardware. 

  corrado at corrado-p7-bb-0305:~$ inxi -Fx
  System:    Host: corrado-p7-bb-0305 Kernel: 4.15.0-10-generic x86_64 bits: 64 gcc: 7.3.0
             Desktop: Gnome 3.27.92 (Gtk 3.22.28-1ubuntu3) Distro: Ubuntu Bionic Beaver (development branch)
  Machine:   Device: desktop Mobo: ASRock model: H110M-G/M.2 serial: N/A UEFI: American Megatrends v: P1.10 date: 05/11/2017
  CPU:       Dual core Intel Core i3-7100 (-MT-MCP-) arch: Skylake rev.9 cache: 3072 KB
             flags: (lm nx sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx) bmips: 15648
             clock speeds: max: 3900 MHz 1: 1018 MHz 2: 3150 MHz 3: 3153 MHz 4: 3081 MHz
  Graphics:  Card: Intel HD Graphics 630 bus-ID: 00:02.0
             Display Server: x11 (X.Org 1.19.6 ) driver: i915 Resolution: 1920x1080 at 60.00hz
             OpenGL: renderer: Mesa DRI Intel HD Graphics 630 (Kaby Lake GT2)
             version: 4.5 Mesa 18.0.0-rc4 Direct Render: Yes
  Audio:     Card Intel Sunrise Point-H HD Audio driver: snd_hda_intel bus-ID: 00:1f.3
             Sound: Advanced Linux Sound Architecture v: k4.15.0-10-generic
  Network:   Card: Intel Ethernet Connection (2) I219-V driver: e1000e v: 3.2.6-k bus-ID: 00:1f.6
             IF: enp0s31f6 state: up speed: 100 Mbps duplex: full mac: 70:85:c2:44:7b:86
  Drives:    HDD Total Size: 1000.2GB (1.3% used)
             ID-1: /dev/sda model: TOSHIBA_DT01ACA1 size: 1000.2GB
  Partition: ID-1: / size: 32G used: 4.3G (15%) fs: ext4 dev: /dev/sda7
             ID-2: swap-1 size: 8.59GB used: 0.00GB (0%) fs: swap dev: /dev/sda2
  RAID:      No RAID devices: /proc/mdstat, md_mod kernel module present
  Sensors:   System Temperatures: cpu: 38.5C mobo: N/A
             Fan Speeds (in rpm): cpu: N/A
  Info:      Processes: 234 Uptime: 11 min Memory: 1144.7/7680.8MB Init: systemd runlevel: 5 Gcc sys: N/A
             Client: Shell (bash 4.4.181) inxi: 2.3.56 
  corrado at corrado-p7-bb-0305:~$

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: xorg 1:7.7+19ubuntu5
  ProcVersionSignature: Ubuntu 4.15.0-10.11-generic 4.15.3
  Uname: Linux 4.15.0-10-generic x86_64
  ApportVersion: 2.20.8-0ubuntu10
  Architecture: amd64
  BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
  CompositorRunning: None
  CurrentDesktop: ubuntu:GNOME
  Date: Tue Mar  6 15:47:50 2018
  DistUpgraded: Fresh install
  DistroCodename: bionic
  DistroVariant: ubuntu
  ExtraDebuggingInterest: Yes, if not too technical
  GraphicsCard:
   Intel Corporation HD Graphics 630 [8086:5912] (rev 04) (prog-if 00 [VGA controller])
     Subsystem: ASRock Incorporation HD Graphics 630 [1849:5912]
  InstallationDate: Installed on 2018-03-05 (0 days ago)
  InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Alpha amd64 (20180305)
  Lsusb:
   Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
   Bus 001 Device 003: ID 046d:c016 Logitech, Inc. Optical Wheel Mouse
   Bus 001 Device 002: ID 058f:6377 Alcor Micro Corp. AU6375 4-LUN card reader
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  MachineType: To Be Filled By O.E.M. To Be Filled By O.E.M.
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-10-generic.efi.signed root=UUID=9a36b498-59f5-4a36-81db-3046ff6bdeaa ro quiet splash
  SourcePackage: xorg
  Symptom: display
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 05/11/2017
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: P1.10
  dmi.board.name: H110M-G/M.2
  dmi.board.vendor: ASRock
  dmi.chassis.asset.tag: To Be Filled By O.E.M.
  dmi.chassis.type: 3
  dmi.chassis.vendor: To Be Filled By O.E.M.
  dmi.chassis.version: To Be Filled By O.E.M.
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrP1.10:bd05/11/2017:svnToBeFilledByO.E.M.:pnToBeFilledByO.E.M.:pvrToBeFilledByO.E.M.:rvnASRock:rnH110M-G/M.2:rvr:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
  dmi.product.family: To Be Filled By O.E.M.
  dmi.product.name: To Be Filled By O.E.M.
  dmi.product.version: To Be Filled By O.E.M.
  dmi.sys.vendor: To Be Filled By O.E.M.
  version.compiz: compiz N/A
  version.libdrm2: libdrm2 2.4.90-1
  version.libgl1-mesa-dri: libgl1-mesa-dri 18.0.0~rc4-1ubuntu3
  version.libgl1-mesa-glx: libgl1-mesa-glx 18.0.0~rc4-1ubuntu3
  version.xserver-xorg-core: xserver-xorg-core 2:1.19.6-1ubuntu2
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.10.0-1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20171229-1
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.15-2

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