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3 Posts

01-07-2018

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KB4056892 multiple problems on T440s

2018-01-07, 19:34 PM

Hello,

after installing update KB4056892 i have the following problems with my T440s:

 

System messages: Warning WHEA-Logger

 

Behobener Hardwarefehler.

Gemeldet von Komponente: Prozessorkern
Fehlerquelle: Behobene Computerüberprüfung
Fehlertyp: Interner Paritätsfehler
Prozessor-APIC-ID: 2

 

Translation:

A corrected hardware error has occurred.

Reported by component: Processor Core

Error Source: Corrected Machine

Check Error Type: Internal parity error

 

Also the notebook does not wake up from sleep mode. The screen is black, the power button is green. I have to press the button very long to turn it off.

 

I'm not sure if the warning is related to the wake up problem.

 

Latest bios installed.

 

Does anybody experience the same problem?

Any ideas what i should try?

 

Thanks

Andi

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11 Posts

04-19-2016

Canada

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Re: KB4056892 multiple problems on T440s

2018-01-07, 23:10 PM

same machine, same patch, same problem here. even had a full crash today while working (the first in years, in fact, since I own the machine) ... did you also install the new intel BIOS distributed via Lenovo System Update?

 

Edit: Found that I do have version 1703 (Creators Update) only, with KB4056891 installed instead of KB4056892 (for version 1709), but same issues.

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3 Posts

01-07-2018

Germany

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Re: KB4056892 multiple problems on T440s

2018-01-08, 5:42 AM

I also had a full crash while watching a youtube video.

 

I have bios 2.46. I think that's the newsest version. But i install it some days ago in december. The problems began when i install KB4056892, not after the bios.

 

I removed KB4056892 and the problems went away.

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3 Posts

01-08-2018

Germany

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Re: KB4056892 multiple problems on T440s

2018-01-08, 9:26 AM

Same Problem here. Lenovo T440s with UEFI Bios Update 2.46.

After installing KB4056892 i have the WHEA-Logger Warnings and frequent BSOD.

Removing KB4056892 solves the Problems, but this shoud not be the final solution...

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51 Posts

01-08-2018

United States of America

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Re: KB4056892 multiple problems on T440s

2018-01-08, 21:37 PM

My T540p (20BE) is experiencing the same error messages, except the Microsoft patch was installed a few days earlier. These errors only started after installing uEFI BIOS version 2.30 (GMET82WW) which is specific to my machine.

 

https://pcsupport.lenovo.com/us/en/products/laptops-and-netbooks/thinkpad-t-series-laptops/thinkpad-t540p/downloads/ds038147),

 

There is a note that there is both a microcode update for the processor and an Important security fix. Don't know if they're one and the same.

 

My prior version was 2.28, which was the latest version. I downgraded back to 2.28 (an allowed downgrade) but I'm still getting these errors. Maybe microcode updates aren't removable?

 

 

I haven't thought of removing the MS patch yet, since I wasn't getting these same errors until the uEFI BIOS patch was installed.

 

Hope this helps!

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3 Posts

01-08-2018

Germany

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Re: KB4056892 multiple problems on T440s

2018-01-09, 6:04 AM

and two BSOD this morning...
The only way is to remove KB4056892 and disable Windows Update. 

Without the update the ThinkPad is stable.

 


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4 Posts

01-04-2015

Denmark

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Re: KB4056892 multiple problems on T440s

2018-01-09, 11:42 AM

Same problem on my X240 and S540.



 
Center for Koncernservice og Oekonomi
Team Servicedesk og IT

Naestved Municipality
 
Jens Christian Jensen Ballegaard
Citrixadministrator

 
 Admin note; unnecessary link removed

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51 Posts

01-08-2018

United States of America

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Re: KB4056892 multiple problems on T440s

2018-01-09, 21:00 PM

wrote:

and two BSOD this morning...
The only way is to remove KB4056892 and disable Windows Update. 

Without the update the ThinkPad is stable.

 

 


 

That patch is a serious re-jiggering of how things work in memory. Microsoft still hasn't issued a patch for Server 2012! Right off the hop Microsoft identified several popular AV programs that used undocumented calls into memory and after the patch, those undocumented calls became illegal calls, causing BSODs. So many vendors used these calls that Microsoft announced a registry value that needs to be set by the AV company once they confirm the installation has been brought back into compliance, eg: not using undocumented APIs.

 

Similar programming fouls have been found in things such as VPN clients (PulseSecure VPN) and sandboxing applications (Sandboxie) post-patch. It is highly likely that you have a program which uses undocumented system calls that are now illegal post-patch. You will need to identify that application and get with the vendor to issue a patch. If they're no longer around, then you should start searching for alternatives because this bug is a serious one and the real remedy is to wait for the CPU designers around the world to go back to the drawing board and try a different design. Everything else are just workarounds.

 

I have experienced a single BSOD since the patch installed last week, it was with the tcpip.sys driver. I haven't had any further problems since, so I presume it was just a flue. I still get the WHEA-Logging messages every minute or two.




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01-13-2008

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Re: KB4056892 multiple problems on T440s

2018-01-10, 4:43 AM

The large print: please read the Community Participation Rules before posting. Include as much information as possible: model, machine type, operating system, and a descriptive subject line. Do not include personal information: serial number, telephone number, email address, etc.


The fine print: I do not work for, nor do I speak for Lenovo. Unsolicited private messages will be ignored - questions and answers belong in the forum so that others may contribute and benefit. ... GeezBlog

 

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01-10-2018

Denmark

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Re: KB4056892 multiple problems on T440s

2018-01-10, 9:35 AM

Same issue here on T540p.

 

In my case, the issue started when the BIOS was updated to 2.30, but seems to be connected to KB4056892. If the patch is removed, the WHEA-Logger errors no longer appear in event log and the system runs stable.

 

As a workaround, i disabled the Windows Meltdown/Spectre mitigation provided by KB4056892 by setting the following registry keys on all our T540ps:

 

In "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management", add:

DWORD FeatureSettingsOverride=3

DWORD FeatureSettingsOverrideMask=3

 

This will allow users to install the patch and BIOS update. Its obviously not a solution since it will leave the machines vulnerable, but at least they run stable until a fix is released.

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