Crash Due to cldflt.sys on Exiting a 3D Game

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  1. Posts : 1,480
    Windows 8.1 Enterprise x64
       #11

    Maybe try to use Driver Verifier? (Enable and Disable Driver Verifier in Windows 10)
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  2. Posts : 7,089
    Windows 10 Pro 64 bit
    Thread Starter
       #12

    MrPepka said:
    Maybe try to use Driver Verifier? (Enable and Disable Driver Verifier in Windows 10)
    I haven't had to use that before. I'll check the 3rd party drivers and also cdflt.sys which is a MS driver mention in the dump report.
      My Computers


  3. Posts : 39,972
    windows 10 professional version 1607 build 14393.969 64 bit
       #13

    The Gigabyte website displayed two versions for the motherboard: Z77X-UD5H

    Both versions displayed the most up to date non-beta BIOS: F14.

    The most recent beta BIOS was F16J.

    The computer BIOS: Version/Date American Megatrends Inc. F16K, 11/04/2018

    How come a beta bios is in use?
    Which link has the version F16K?
    GA-Z77X-UD5H (rev. 1.1) | Motherboard - GIGABYTE U.S.A.

    It can be easy to miss BSOD when automatically restart is checked.
    The current settings are creating mini dumps and memory dumps may be more useful for troubleshooting.
    During the troubleshooting please modify the startup and recovery system failure settings.

    In startup and recovery:
    a) uncheck automatically restart
    b) change small memory dump to automatic memory dump

    For any BSOD:

    a) run the V2 log collector to collect new log files

    b) open file explorer> this PC > C: > in the right upper corner search for: C:\Windows\memory.dmp
    > if the file size is < 1.5 GB then zip > post a separate share link into the thread using one drive, drop box, or google drive
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  4. Posts : 7,089
    Windows 10 Pro 64 bit
    Thread Starter
       #14

    zbook said:
    The Gigabyte website displayed two versions for the motherboard: Z77X-UD5H

    Both versions displayed the most up to date non-beta BIOS: F14.

    The most recent beta BIOS was F16J.

    The computer BIOS: Version/Date American Megatrends Inc. F16K, 11/04/2018

    How come a beta bios is in use?
    Which link has the version F16K?
    GA-Z77X-UD5H (rev. 1.1) | Motherboard - GIGABYTE U.S.A.

    It can be easy to miss BSOD when automatically restart is checked.
    The current settings are creating mini dumps and memory dumps may be more useful for troubleshooting.
    During the troubleshooting please modify the startup and recovery system failure settings.

    In startup and recovery:
    a) uncheck automatically restart
    b) change small memory dump to automatic memory dump

    For any BSOD:

    a) run the V2 log collector to collect new log files

    b) open file explorer> this PC > C: > in the right upper corner search for: C:\Windows\memory.dmp
    > if the file size is < 1.5 GB then zip > post a separate share link into the thread using one drive, drop box, or google drive
    The F16K BIOS for Rev 1.0 of my motherboard is supplied by Gigabyte on request. It addresses the Spectre /Meltdown vulnerability and has been very stable to date. See Ridiculous Gigabyte BIOS Support vs. Spectre / Meltdown The F16K BIOS appears to be official being supplied by Gigabyte but it seems they still can't be bothered to update their product support page.

    The PC crashed again. Playing the games is fine and I can Alt+Tab to Windows and back but the game crashes on exit to Windows. A small memory dump was produced despite the auto setting. What size memory dump should I force in the setting? I also paused Onedrive but that had no effect.

    I'm thinking this is bug as reported in the previous cumulative update KB4517389 (see post 1). I'm currently on cumulative update KB4522355 but it's quite possible the bug has continued over. I could uninstall KB4522355 but then I'm missing important updates. I've sent a feedback report to MS too.
    Last edited by Steve C; 06 Nov 2019 at 10:34.
      My Computers


  5. Posts : 7,089
    Windows 10 Pro 64 bit
    Thread Starter
       #15

    Update - I've had no problems since disabling cldflt.sys in Autoruns for the duration of the game. However, you can't permanently disable this since the OneDrive sync status is not displayed. Driver Verifier did not reveal anything to date.

    I suspect this is a bug since there many recent reports of problems with BSOD due to cldflt.sys. Let's see if MS fix it soon.
      My Computers


  6. Posts : 39,972
    windows 10 professional version 1607 build 14393.969 64 bit
       #16

    Driver verifier has customized test settings.

    Enable and Disable Driver Verifier in Windows 10
    https://answers.microsoft.com/en-us/...3-c48669e4c983

    In the Ten Forums link there are 3 simultaneous customized tests.
    In the Microsoft link there are approximately 19 simultaneous tests.

    Tests can be added and removed.
    There can be performance problems and slow boot in some computer environments.

    Perform testing for another 36 hours:
    Increase the number of tests by 3 - 5 / hour.
    If there are any performance problems uncheck the 3 tests displayed in the TF link and modify other tests as needed so that all non-Microsoft drivers are exposed to the different tests.
      My Computer


  7. Posts : 5,176
    64bit Win 10 Pro ver 21H2
       #17

    Steve C said:
    Update - I've had no problems since disabling cldflt.sys in Autoruns for the duration of the game. However, you can't permanently disable this since the OneDrive sync status is not displayed. Driver Verifier did not reveal anything to date.

    I suspect this is a bug since there many recent reports of problems with BSOD due to cldflt.sys. Let's see if MS fix it soon.
    I agree. Do you try any Insider builds? You might find MS are working on a fix and may include it in the new builds.
      My Computers


  8. Posts : 7,089
    Windows 10 Pro 64 bit
    Thread Starter
       #18

    philc43 said:
    I agree. Do you try any Insider builds? You might find MS are working on a fix and may include it in the new builds.
    No I don't use Insider builds. Is there a simple command to unload cldflt.sys then reload it without using the Autoruns method and rebooting pending a proper fix from MS?
      My Computers


  9. Posts : 1,480
    Windows 8.1 Enterprise x64
       #19

    The problem concerns only games saving in the so-called cloud (i.e. in Steam Cloud etc.)?
      My Computer


  10. Posts : 5,176
    64bit Win 10 Pro ver 21H2
       #20

    Steve C said:
    No I don't use Insider builds. Is there a simple command to unload cldflt.sys then reload it without using the Autoruns method and rebooting pending a proper fix from MS?
    You could try using the service control manager in an elevated command prompt to stop and start the service but I have no idea what the consequences might be. Do so at your own risk.

    If you type sc in the command prompt window you will see a full description of the various commands.

    sc stop cldflt
    sc start cldflt
      My Computers


 

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