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Windows 7: BSOD playing GTAIV and Fallout 4, error 0x0000007f

19 Nov 2015   #1

Windows 10 Pro x64
BSOD playing GTAIV and Fallout 4, error 0x0000007f

Hello, I'm a new user here so please correct me if my posts are not ok.

I was hoping to find some help on my little brothers new build. I'm posting here on his behalf.
He's been experiencing some sudden crashes to desktop while playing games, and now recently a bluescreen.

These are the specs:
Motherboard: MSI 970 Gaming
Memory: 4x 4gb Corsair Vengeance 2133mhz (CMY8GX3M2B2133C9R)
Graphics Cards: 2x MSI GTX 970 Gaming
PSU: EVGA G2 Supernova 750w (please let me know if you believe this psu might not be able to power this build)

I asked him to fire up a memtest to run overnight before this post and I will check with him tomorrow about the results.

I also asked him to give me the BSOD dumpfile, which I am posting below:
Dump File         : 112015-13093-01.dmp
Crash Time        : 20/11/2015 00:01:59
Bug Check Code    : 0x0000007f
Parameter 1       : 00000000`00000008
Parameter 2       : ffffd000`a85a5b30
Parameter 3       : ffffd000`b85b2c50
Parameter 4       : fffff803`74dcb4c0
Caused By Driver  : ntoskrnl.exe
Caused By Address : ntoskrnl.exe+14f4d0
File Description  : 
Product Name      : 
Company           : 
File Version      : 
Processor         : x64
Crash Address     : ntoskrnl.exe+14f4d0
Stack Address 1   : 
Stack Address 2   : 
Stack Address 3   : 
Computer Name     : 
Full Path         : D:\Downloads\112015-13093-01.dmp
Processors Count  : 8
Major Version     : 15
Minor Version     : 10240
Dump File Size    : 371,128
Dump File Time    : 20/11/2015 01:33:57
That's all the info I have for now, please reply if you need something else or if you can already spot something that might be the cause! Thank you.

My System SpecsSystem Spec
20 Nov 2015   #2
Microsoft MVP

Windows 7 Ult. x64

Additional information is required.

1. Download the DM Log Collector application to your desktop by clicking the link below

DM Log Collector.exe

2. Run it by double-clicking the icon on your desktop, and follow the prompts.
3. Locate the .ZIP file that is created on your desktop, and upload it here in your next reply.

My System SpecsSystem Spec
20 Nov 2015   #3

Windows 10 Pro x64

Thank you for your reply. I will ask my brother to run this application as soon as possible.

In the meantime, he sent me these results from running memtest last night.

My System SpecsSystem Spec

20 Nov 2015   #4

Windows 10 Pro x64

Okay, we've run the DM Log Collector. The zip file is attached to this post.

Note that only two sticks of RAM were installed when we ran the DM Log Collector (slot 2 & 3), as we had been doing some more memtesting earlier with fewer memory modules installed to try and pinpoint a faulty module, without success though as there were no errors.


We put all sticks back in and ran the memory with the XMP settings in memtest with test 6 only and immediately got a lot of errors on every single pass, but when we set the memory settings back to the bios default (auto) at 1333mhz and run the same test, we get no errors at all.

Manually setting the RAM frequency to 1866mhz while leaving the timings at auto also passes memtest just fine.
My System SpecsSystem Spec
20 Nov 2015   #5
Microsoft MVP

Windows 7 Ult. x64

fffd000`a85b1578  00060080`00000000
ffffd000`a85b1580  00000000`9318ea90
ffffd000`a85b1588  fffff801`842769b0Unable to load image \SystemRoot\System32\drivers\e22w10x64.sys, Win32 error 0n2
*** WARNING: Unable to verify timestamp for e22w10x64.sys
*** ERROR: Module load completed but symbols could not be loaded for e22w10x64.sys
ffffd000`a85b1590  ffffe000`79525790
ffffd000`a85b1598  fffff803`74c20ba2 hal!HalBuildScatterGatherListV2+0x18682
ffffd000`a85b15a0  00000000`00000101
The problem appears to be the Killer network driver. You need to do some homework and determine if this driver is compatible on the Windows 10 installation.

Have a look here for the latest Windows 10 compatible driver :
Killer Networking - Driver Downloads
My System SpecsSystem Spec
20 Nov 2015   #6

Windows 10 Pro x64

My brother reformatted his computer with Windows 10 recently so I think it should be fine but I've asked him to doublecheck his network driver just in case.

Moreover, we did some tweaking in the bios where we set the DRAM-frequency to 1866mhz and increased the FSB-frequency from 200 to 215, effectively making the memory run at 2005mhz, aswell as upping the DRAM-voltage from 1.65 to 1.67.

After running a quick memtest to check for those nasty instant errors at test 6 that we got earlier we were happy to see there were no errors. Now my brother has been playing GTAIV on the rig for well over an hour, making it his longest session so far. The system seem to be stable, or at least working better than it was before.

It still bugs me that the memory wouldn't run in 2133mhz like it is supposed to, but I guess the CPU memory controller gets overloaded or something? After checking, the specifications does say the CPU only supports memory modules up to 1866mhz.

I've asked him to initiate another memtest before he goes to sleep that will run overnight with all tests. I will post again tomorrow to verify if it passed without any errors.
My System SpecsSystem Spec
21 Nov 2015   #7

Windows 10 Pro x64

The overnight memtest passed without a single error. I'm now pretty certain that the issue was with the RAM running faster than the memory controller could handle, so I'll go ahead and mark this thread as solved for now.

I will be back if the crashes and bluescreens return, though hopefully they won't. :)
My System SpecsSystem Spec
21 Nov 2015   #8

Windows 10

Hi i just wanted to say i got the same RAM, PSU (650 WATT), a gtx 970. and i got the exact same issue. Ive tried pretty much everything you have and the only thing that has worked for me is putting ram down to 1866 if i want to have my overclock at 4.6ghz. i guess our rams are just shitty or what? lol
My System SpecsSystem Spec

 BSOD playing GTAIV and Fallout 4, error 0x0000007f

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