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[Bug 1531865] Re: 4.2 (linux-generic-lts-wily) kernel hangs on Bay Trail based Asus X553MA

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apport information

** Tags added: apport-collected trusty

** Description changed:

  Kernels since 4.2-rc1 contain:
  
  [8fb55197e64d5988ec57b54e973daeea72c3f2ff] drm/i915: Agressive
  downclocking on Baytrail
  
  which causes hangs on my Bay Trail based Asus X553MA and likely on other Bay Trail based machines
  as well. The hangs occur between minutes and hours after booting and there is no information found
  related to them in kernel message buffer.
  
  I found the above commit by doing bisection between 4.1.0 and 4.2-rc1 and reported it to intel-gfx
  mailing list:
  
  http://lists.freedesktop.org/archives/intel-gfx/2016-January/084203.html
  
  I tested that these hangs occur with 14.04 LTS using latest linux-generic-lts-wily (4.2.0-23-generic) kernel
  exactly as with any kernel beginning from 4.2-rc1 up to 4.4-rc8.
  
  I'm now writing this bug report running 4.4-rc8 with patches from the above commit removed because
  4.2.0-23-generic just hanged while I was trying to send report.
+ --- 
+ ApportVersion: 2.14.1-0ubuntu3.19
+ Architecture: amd64
+ AudioDevicesInUse:
+  USER        PID ACCESS COMMAND
+  /dev/snd/controlC0:  jamse      2144 F.... pulseaudio
+ CurrentDesktop: Unity
+ CurrentDmesg:
+  [   20.017300] init: plymouth-upstart-bridge main process (1462) terminated with status 1
+  [   20.017332] init: plymouth-upstart-bridge main process ended, respawning
+ DistroRelease: Ubuntu 14.04
+ EcryptfsInUse: Yes
+ InstallationDate: Installed on 2014-11-17 (415 days ago)
+ InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
+ Lsusb:
+  Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
+  Bus 001 Device 004: ID 04ca:3010 Lite-On Technology Corp. 
+  Bus 001 Device 002: ID 04f2:b424 Chicony Electronics Co., Ltd 
+  Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
+ MachineType: ASUSTeK COMPUTER INC. X553MA
+ Package: linux (not installed)
+ ProcFB: 0 inteldrmfb
+ ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.2.0-23-generic root=UUID=85bd44f0-e67f-450d-bfb5-0f87c90482cd ro quiet splash console=tty0 console=ttyUSB0,115200n8 ignore_loglevel vt.handoff=7
+ ProcVersionSignature: Ubuntu 4.2.0-23.28~14.04.1-generic 4.2.6
+ RelatedPackageVersions:
+  linux-restricted-modules-4.2.0-23-generic N/A
+  linux-backports-modules-4.2.0-23-generic  N/A
+  linux-firmware                            1.127.19
+ Tags:  trusty
+ Uname: Linux 4.2.0-23-generic x86_64
+ UpgradeStatus: No upgrade log present (probably fresh install)
+ UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
+ _MarkForUpload: True
+ dmi.bios.date: 08/08/2014
+ dmi.bios.vendor: American Megatrends Inc.
+ dmi.bios.version: X553MA.209
+ dmi.board.asset.tag: ATN12345678901234567
+ dmi.board.name: X553MA
+ dmi.board.vendor: ASUSTeK COMPUTER INC.
+ dmi.board.version: 1.0
+ dmi.chassis.asset.tag: No Asset Tag
+ dmi.chassis.type: 10
+ dmi.chassis.vendor: ASUSTeK COMPUTER INC.
+ dmi.chassis.version: 1.0
+ dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrX553MA.209:bd08/08/2014:svnASUSTeKCOMPUTERINC.:pnX553MA:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnX553MA:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:
+ dmi.product.name: X553MA
+ dmi.product.version: 1.0
+ dmi.sys.vendor: ASUSTeK COMPUTER INC.

** Attachment added: "AlsaInfo.txt"
   https://bugs.launchpad.net/bugs/1531865/+attachment/4545628/+files/AlsaInfo.txt

-- 
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https://bugs.launchpad.net/bugs/1531865

Title:
  4.2 (linux-generic-lts-wily) kernel hangs on Bay Trail based Asus
  X553MA

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  Kernels since 4.2-rc1 contain:

  [8fb55197e64d5988ec57b54e973daeea72c3f2ff] drm/i915: Agressive
  downclocking on Baytrail

  which causes hangs on my Bay Trail based Asus X553MA and likely on other Bay Trail based machines
  as well. The hangs occur between minutes and hours after booting and there is no information found
  related to them in kernel message buffer.

  I found the above commit by doing bisection between 4.1.0 and 4.2-rc1 and reported it to intel-gfx
  mailing list:

  http://lists.freedesktop.org/archives/intel-
  gfx/2016-January/084203.html

  I tested that these hangs occur with 14.04 LTS using latest linux-generic-lts-wily (4.2.0-23-generic) kernel
  exactly as with any kernel beginning from 4.2-rc1 up to 4.4-rc8.

  I'm now writing this bug report running 4.4-rc8 with patches from the above commit removed because
  4.2.0-23-generic just hanged while I was trying to send report.
  --- 
  ApportVersion: 2.14.1-0ubuntu3.19
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  jamse      2144 F.... pulseaudio
  CurrentDesktop: Unity
  CurrentDmesg:
   [   20.017300] init: plymouth-upstart-bridge main process (1462) terminated with status 1
   [   20.017332] init: plymouth-upstart-bridge main process ended, respawning
  DistroRelease: Ubuntu 14.04
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2014-11-17 (415 days ago)
  InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
  Lsusb:
   Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
   Bus 001 Device 004: ID 04ca:3010 Lite-On Technology Corp. 
   Bus 001 Device 002: ID 04f2:b424 Chicony Electronics Co., Ltd 
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  MachineType: ASUSTeK COMPUTER INC. X553MA
  Package: linux (not installed)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.2.0-23-generic root=UUID=85bd44f0-e67f-450d-bfb5-0f87c90482cd ro quiet splash console=tty0 console=ttyUSB0,115200n8 ignore_loglevel vt.handoff=7
  ProcVersionSignature: Ubuntu 4.2.0-23.28~14.04.1-generic 4.2.6
  RelatedPackageVersions:
   linux-restricted-modules-4.2.0-23-generic N/A
   linux-backports-modules-4.2.0-23-generic  N/A
   linux-firmware                            1.127.19
  Tags:  trusty
  Uname: Linux 4.2.0-23-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  _MarkForUpload: True
  dmi.bios.date: 08/08/2014
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: X553MA.209
  dmi.board.asset.tag: ATN12345678901234567
  dmi.board.name: X553MA
  dmi.board.vendor: ASUSTeK COMPUTER INC.
  dmi.board.version: 1.0
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: ASUSTeK COMPUTER INC.
  dmi.chassis.version: 1.0
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrX553MA.209:bd08/08/2014:svnASUSTeKCOMPUTERINC.:pnX553MA:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnX553MA:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:
  dmi.product.name: X553MA
  dmi.product.version: 1.0
  dmi.sys.vendor: ASUSTeK COMPUTER INC.

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