BSoD - a clock interrupt was not received

Ian_J · Oct 2, 2013

Hi Everybody,

For the last few weeks my Windows 7 machine has been locking up.

It started with the system locking up at desktop (numlock & caps lock lights wouldn't even work) but now I have had the odd BSoD.

I've updated all the drivers that I can from the video, motherboard and various on board component manufacturers (network, USB controller etc) but I am still having issues.

I'm posting here in the hope that someone can help me resolve this as I cannot afford to buy new parts for it will nilly.

· OS - Windows 7
· x64
· What was original installed OS on system? - Windows 7 Pro as above
· Is the OS an OEM version (came pre-installed on system) or full retail version - full retail version
· Age of system (hardware) - December 2012
· Age of OS installation - From new
· CPU - Intel i7 950 @ 3.07GHz
· Video Card - Nvidia GeForce GTX 460
· MotherBoard - ASUS P6X58D-E
· Power Supply - Corsair 600w

Ian

Patrick · Oct 2, 2013

Hi,

All of the attached DMP files are of the WHEA_UNCORRECTABLE_ERROR (124) bugcheck.

A fatal hardware error has occurred. This fatal error displays data from the Windows Hardware Error Architecture (WHEA).

If we run an !errrec on the 2nd parameter of the bugcheck (address of the WER structure) we get the following:

Code:

===============================================================================
Section 2     : x86/x64 MCA
-------------------------------------------------------------------------------
Descriptor    @ fffffa8009cc5398
Section       @ fffffa8009cc5520
Offset        : 664
Length        : 264
Flags         : 0x00000000
Severity      : Fatal

Error         : Internal timer (Proc 2 Bank 5)
  Status      : 0xf200000000800400

We have an internal CPU timer failure, and throughout every dump it's the same Processor (2) and Cache Bank (5).

There is only so much you can do with a bugcheck like this until it comes down to a faulty processor that will need to be replaced. Start from 1 and work downward:

1. Ensure your temperatures are within standard and nothing's overheating. You can use a program such as Speccy if you'd like to monitor temps - Speccy - System Information - Free Download

2. Clear your CMOS (or load optimized BIOS defaults) to ensure there's no improper BIOS setting - How To Clear CMOS (Reset BIOS)

3. Ensure your BIOS is up to date.

4. The only software conflict that can usually cause *124 bugchecks are OS to BIOS utilities from manufacturer's like Asus' AI Suite. If you have something like this software-wise, remove it ASAP.

5. If all of the above fail, the only left to do is replace your processor as it is faulty.

Regards,

Patrick

Ian_J · Oct 2, 2013

1 Temps rose to their hottest of around 75c during the summer (it was unusually warm here in the UK) but are currently 42c

2 I did do this for a couple of weeks ut still had the same issue, I will do it again though asap.

3 I have just checked Asus's site and the BIOS is up to date.

4 I do have Asus AI Suite installed to control the fans, otherwise the noise from them is horrendous as they run full tilt all the time. I swapped over to SpeedFan for a few weeks as it has more accurate reporting (S.M.A.R.T. on HD's etc) but I still had the same issue of windows locking up. Is there anything similar you can recommend to control the fans?

5 Bum

Many thanks Patrick

I'll make the above changes and report back in a couple of days after leaving the machine running.

Patrick · Oct 2, 2013

My pleasure! SpeedFan is just fine, yes. I would recommend uninstalling the suite and any other Asus software you may have and using SpeedFan.

Keep me updated.

Regards,

Patrick

Ian_J · Oct 2, 2013

I should point out in number 1 above the temps refer to the CPU not the ambient in the room or tower case.

Patrick · Oct 2, 2013

No worries, I understood that. 75c isn't anything unnecessarily bad. Mine sometimes reaches the same due to poor ambient temperatures in the hot weather.

Regards,

Patrick

Ian_J · Oct 17, 2013

Apologies for delay in replying.

I have had the machine running now since my last post with the above recommendations and still getting freezes.

Is there any way it could be a GFX card or a Hard-Drive issue before I go out and buy a replacement CPU?

Is there any software that I can run to stress specific CPU cores to ensure that is the issue?

Patrick · Oct 17, 2013

For GPU you can run Furmark.

For HDD you can run Seatools - SeaTools | Seagate

You can run it via Windows or DOS. Do note that the only difference is simply the environment you're running it in. In Windows, if you are having what you believe to be device driver related issues that may cause conflicts or false positive, it may be a wise decision to choose the most minimal testing environment (DOS).

Run all tests EXCEPT: Fix All, Long Generic, and anything Advanced.

For CPU you can run Prime 95 Blend - Free Software - GIMPS

Regards,

Patrick

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BSoD - a clock interrupt was not received

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