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[Bug 1491797] Re: Shuts down when supposed to suspend as a reaction to self-caused overheat, session lost

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** Description changed:

  Error:
- Kernel foolishly shuts down the computer when it overheats.
+ Kernel foolishly shuts down the computer when it overheats because of the underlying bug "Overheat due to slow fans when on 'auto'" 
+ ( https://bugs.launchpad.net/ubuntu/+source/linux/+bug/751689 ).
  /var/log/kern.log
  W500 kernel: [1448.648529] thermal thermal_zone1: critical temperature reached (100 C), shutting down
+ (Hardware is ok: when the fan is forced to full speed, no overheating.)
  
  Consequence:
  Shutting down destroys session in Ubuntu, Gnome, and all applications that can't remember their latest conscious state (most applications).
  
  Attempted repair, failed:
  Laptop has suspending ability, but I can't find the setting for the kernel to make the computer suspend instead of shutting down.
  
  Repair suggestions:
  1. Persistence of session, so that everything would reappear after the restart. (this would also make updating less disruptive)
- 2. Do not heat the machine like crazy; speed up fans or slow down processes. (problematic Lenovo Thinkpad W500 fan on low speed right up to the fiery end)
+ 2. Do not heat the machine like crazy; speed up fans or slow down processes. (fix the slow fan bug affecting Lenovo Thinkpads and fix thermald failing to throttle CPU)
  3. Put the computer to suspend when it's too hot.
  
- (The problem has remained the same from at least Ubuntu 11.10 through
- 14.04)
+ The problem has remained the same from at least Ubuntu 11.10 through
+ 14.04 .
+ 
  
  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-62-generic 3.13.0-62.102
  ProcVersionSignature: Ubuntu 3.13.0-62.102-generic 3.13.11-ckt24
  Uname: Linux 3.13.0-62-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.12
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  user       2171 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Thu Sep  3 13:42:28 2015
  HibernationDevice: RESUME=UUID=991e1383-ff5b-46c1-84c4-c904e1d81256
  InstallationDate: Installed on 2013-12-29 (612 days ago)
  InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1)
  MachineType: LENOVO 4063B22
  PccardctlIdent:
   Socket 0:
     no product info available
  PccardctlStatus:
   Socket 0:
     no card
  ProcFB: 0 radeondrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-62-generic root=UUID=bd426989-b545-41b3-97b8-de9410f27aa6 ro persistent quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-62-generic N/A
   linux-backports-modules-3.13.0-62-generic  N/A
   linux-firmware                             1.127.15
  SourcePackage: linux
  UpgradeStatus: Upgraded to trusty on 2014-04-27 (494 days ago)
  dmi.bios.date: 12/14/2011
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 6FET92WW (3.22 )
  dmi.board.name: 4063B22
  dmi.board.vendor: LENOVO
  dmi.board.version: Not Available
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: dmi:bvnLENOVO:bvr6FET92WW(3.22):bd12/14/2011:svnLENOVO:pn4063B22:pvrThinkPadW500:rvnLENOVO:rn4063B22:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 4063B22
  dmi.product.version: ThinkPad W500
  dmi.sys.vendor: LENOVO

-- 
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https://bugs.launchpad.net/bugs/1491797

Title:
  Shuts down when supposed to suspend as a reaction to self-caused
  overheat, session lost

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  Error:
  Kernel foolishly shuts down the computer when it overheats because of the underlying bug "Overheat due to slow fans when on 'auto'" 
  ( https://bugs.launchpad.net/ubuntu/+source/linux/+bug/751689 ).
  /var/log/kern.log
  W500 kernel: [1448.648529] thermal thermal_zone1: critical temperature reached (100 C), shutting down
  (Hardware is ok: when the fan is forced to full speed, no overheating.)

  Consequence:
  Shutting down destroys session in Ubuntu, Gnome, and all applications that can't remember their latest conscious state (most applications).

  Attempted repair, failed:
  Laptop has suspending ability, but I can't find the setting for the kernel to make the computer suspend instead of shutting down.

  Repair suggestions:
  1. Persistence of session, so that everything would reappear after the restart. (this would also make updating less disruptive)
  2. Do not heat the machine like crazy; speed up fans or slow down processes. (fix the slow fan bug affecting Lenovo Thinkpads and fix thermald failing to throttle CPU)
  3. Put the computer to suspend when it's too hot.

  The problem has remained the same from at least Ubuntu 11.10 through
  14.04 .

  
  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-62-generic 3.13.0-62.102
  ProcVersionSignature: Ubuntu 3.13.0-62.102-generic 3.13.11-ckt24
  Uname: Linux 3.13.0-62-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.12
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  user       2171 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Thu Sep  3 13:42:28 2015
  HibernationDevice: RESUME=UUID=991e1383-ff5b-46c1-84c4-c904e1d81256
  InstallationDate: Installed on 2013-12-29 (612 days ago)
  InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1)
  MachineType: LENOVO 4063B22
  PccardctlIdent:
   Socket 0:
     no product info available
  PccardctlStatus:
   Socket 0:
     no card
  ProcFB: 0 radeondrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-62-generic root=UUID=bd426989-b545-41b3-97b8-de9410f27aa6 ro persistent quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-62-generic N/A
   linux-backports-modules-3.13.0-62-generic  N/A
   linux-firmware                             1.127.15
  SourcePackage: linux
  UpgradeStatus: Upgraded to trusty on 2014-04-27 (494 days ago)
  dmi.bios.date: 12/14/2011
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 6FET92WW (3.22 )
  dmi.board.name: 4063B22
  dmi.board.vendor: LENOVO
  dmi.board.version: Not Available
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: dmi:bvnLENOVO:bvr6FET92WW(3.22):bd12/14/2011:svnLENOVO:pn4063B22:pvrThinkPadW500:rvnLENOVO:rn4063B22:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 4063B22
  dmi.product.version: ThinkPad W500
  dmi.sys.vendor: LENOVO

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References

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