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[Bug 1317865] Re: bug in the Ubuntu backport of BDW stuff for 14.04, where it tries to treat your hardware as Broadwell, and gets confused when your hardware behaves like Haswell.

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akaWolf, as per http://www.gigabyte.us/products/product-page.aspx?pid=4481&dl=1#bios an update to your BIOS is available (F9). If you update to this following https://help.ubuntu.com/community/BiosUpdate does it change anything?  If it doesn't, could you please both specify what happened, and provide the output of the following terminal command:
sudo dmidecode -s bios-version && sudo dmidecode -s bios-release-date

Please note your current BIOS is already in the Bug Description, so
posting this on the old BIOS would not be helpful.

For more on BIOS updates and linux, please see
https://help.ubuntu.com/community/ReportingBugs#Bug_reporting_etiquette
.

Thank you for your understanding.

** Description changed:

- bug in the Ubuntu backport of BDW stuff for 14.04, where it tries to treat your hardware as Broadwell, and gets confused when your hardware behaves like Haswell.
- After blacklisted of i915_bdw, all works fine.
- --- 
+ bug in the Ubuntu backport of BDW stuff for 14.04, where it tries to
+ treat your hardware as Broadwell, and gets confused when your hardware
+ behaves like Haswell.
+ 
+ WORKAROUND: Blacklist i915_bdw
+ 
+ ---
  AlsaVersion: Advanced Linux Sound Architecture Driver Version k3.13.0-24-generic.
  ApportVersion: 2.14.1-0ubuntu3
  Architecture: amd64
  AudioDevicesInUse:
-  USER        PID ACCESS COMMAND
-  /dev/snd/controlC1:  akawolf    4092 F.... pulseaudio
+  USER        PID ACCESS COMMAND
+  /dev/snd/controlC1:  akawolf    4092 F.... pulseaudio
  Card1.Amixer.info:
-  Card hw:1 'PCH'/'HDA Intel PCH at 0xf0530000 irq 44'
-    Mixer name	: 'Realtek ALC898'
-    Components	: 'HDA:10ec0899,1458a002,00100003'
-    Controls      : 63
-    Simple ctrls  : 25
+  Card hw:1 'PCH'/'HDA Intel PCH at 0xf0530000 irq 44'
+    Mixer name	: 'Realtek ALC898'
+    Components	: 'HDA:10ec0899,1458a002,00100003'
+    Controls      : 63
+    Simple ctrls  : 25
  CurrentDesktop: KDE
  DistroRelease: Ubuntu 14.04
  InstallationDate: Installed on 2013-06-30 (313 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
  IwConfig:
-  eth0      no wireless extensions.
-  
-  lo        no wireless extensions.
+  eth0      no wireless extensions.
+ 
+  lo        no wireless extensions.
  MachineType: Gigabyte Technology Co., Ltd. Z87X-UD3H
  Package: linux 3.8.0.35.53 [origin: unknown]
  PackageArchitecture: amd64
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-24-generic root=UUID=19480476-0eee-4186-ad56-112e81e19c81 ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 3.13.0-24.47-generic 3.13.9
  RelatedPackageVersions:
-  linux-restricted-modules-3.13.0-24-generic N/A
-  linux-backports-modules-3.13.0-24-generic  N/A
-  linux-firmware                             1.127
+  linux-restricted-modules-3.13.0-24-generic N/A
+  linux-backports-modules-3.13.0-24-generic  N/A
+  linux-firmware                             1.127
  RfKill:
-  
+ 
  Tags: trusty third-party-packages
  Uname: Linux 3.13.0-24-generic x86_64
  UnreportableReason: This is not an official Ubuntu package. Please remove any third party package and try again.
  UpgradeStatus: Upgraded to trusty on 2014-02-28 (69 days ago)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  _MarkForUpload: True
  dmi.bios.date: 05/16/2013
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: F5
  dmi.board.asset.tag: To be filled by O.E.M.
  dmi.board.name: Z87X-UD3H-CF
  dmi.board.vendor: Gigabyte Technology Co., Ltd.
  dmi.board.version: x.x
  dmi.chassis.asset.tag: To Be Filled By O.E.M.
  dmi.chassis.type: 3
  dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
  dmi.chassis.version: To Be Filled By O.E.M.
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrF5:bd05/16/2013:svnGigabyteTechnologyCo.,Ltd.:pnZ87X-UD3H:pvrTobefilledbyO.E.M.:rvnGigabyteTechnologyCo.,Ltd.:rnZ87X-UD3H-CF:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvrToBeFilledByO.E.M.:
  dmi.product.name: Z87X-UD3H
  dmi.product.version: To be filled by O.E.M.
  dmi.sys.vendor: Gigabyte Technology Co., Ltd.

** Tags added: bios-outdated-f9

** Changed in: linux (Ubuntu)
   Importance: Medium => Low

** Tags added: needs-bisect regression-release

** Changed in: linux (Ubuntu)
       Status: Confirmed => Incomplete

** Summary changed:

- bug in the Ubuntu backport of BDW stuff for 14.04, where it tries to treat your hardware as Broadwell, and gets confused when your hardware behaves like Haswell.
+ 8086:0412 [Gigabyte Z87X-UD3H] bug in the Ubuntu backport of BDW stuff for 14.04, where it tries to treat your hardware as Broadwell, and gets confused when your hardware behaves like Haswell.

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1317865

Title:
  8086:0412 [Gigabyte Z87X-UD3H] bug in the Ubuntu backport of BDW stuff
  for 14.04, where it tries to treat your hardware as Broadwell, and
  gets confused when your hardware behaves like Haswell.

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  bug in the Ubuntu backport of BDW stuff for 14.04, where it tries to
  treat your hardware as Broadwell, and gets confused when your hardware
  behaves like Haswell.

  WORKAROUND: Blacklist i915_bdw

  ---
  AlsaVersion: Advanced Linux Sound Architecture Driver Version k3.13.0-24-generic.
  ApportVersion: 2.14.1-0ubuntu3
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  akawolf    4092 F.... pulseaudio
  Card1.Amixer.info:
   Card hw:1 'PCH'/'HDA Intel PCH at 0xf0530000 irq 44'
     Mixer name	: 'Realtek ALC898'
     Components	: 'HDA:10ec0899,1458a002,00100003'
     Controls      : 63
     Simple ctrls  : 25
  CurrentDesktop: KDE
  DistroRelease: Ubuntu 14.04
  InstallationDate: Installed on 2013-06-30 (313 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
  IwConfig:
   eth0      no wireless extensions.

   lo        no wireless extensions.
  MachineType: Gigabyte Technology Co., Ltd. Z87X-UD3H
  Package: linux 3.8.0.35.53 [origin: unknown]
  PackageArchitecture: amd64
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-24-generic root=UUID=19480476-0eee-4186-ad56-112e81e19c81 ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 3.13.0-24.47-generic 3.13.9
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-24-generic N/A
   linux-backports-modules-3.13.0-24-generic  N/A
   linux-firmware                             1.127
  RfKill:

  Tags: trusty third-party-packages
  Uname: Linux 3.13.0-24-generic x86_64
  UnreportableReason: This is not an official Ubuntu package. Please remove any third party package and try again.
  UpgradeStatus: Upgraded to trusty on 2014-02-28 (69 days ago)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  _MarkForUpload: True
  dmi.bios.date: 05/16/2013
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: F5
  dmi.board.asset.tag: To be filled by O.E.M.
  dmi.board.name: Z87X-UD3H-CF
  dmi.board.vendor: Gigabyte Technology Co., Ltd.
  dmi.board.version: x.x
  dmi.chassis.asset.tag: To Be Filled By O.E.M.
  dmi.chassis.type: 3
  dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
  dmi.chassis.version: To Be Filled By O.E.M.
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrF5:bd05/16/2013:svnGigabyteTechnologyCo.,Ltd.:pnZ87X-UD3H:pvrTobefilledbyO.E.M.:rvnGigabyteTechnologyCo.,Ltd.:rnZ87X-UD3H-CF:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvrToBeFilledByO.E.M.:
  dmi.product.name: Z87X-UD3H
  dmi.product.version: To be filled by O.E.M.
  dmi.sys.vendor: Gigabyte Technology Co., Ltd.

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