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Windows 7 error ID 19 bus/interconnect error

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Nov 18, 2008
As the topic title states I am getting this error in the Event Viewer every so often, and directly after that it results in a BSOD with BCC code 124 with a memory dump.

The error states this in event viewer:

A fatal hardware error has occurred.

Reported by component: Processor Core
Error Source: Machine Check Exception
Error Type: Bus/Interconnect Error
Processor ID: 2


Detailed view gives me this:

- EventData

ErrorSource 3
ApicId 2
MCABank 0
MciStat 0xb200004000000800
MciAddr 0x0
MciMisc 0x0
ErrorType 10
TransactionType 256
Participation 0
RequestType 0
MemorIO 0
MemHierarchyLvl 0
Timeout 0
OperationType 256
Channel 256
Length 928
RawData 435045521002FFFFFFFF03000100000002000000A0030000332511000B0509140000000000000000000000000000000000000000000000000000000000000000BDC407CF89B7184EB3C41F732CB57131FE6FF5E89C91C54CBA8865ABE14913BBA35B3A315FD2C90102000000000000000000000000000000000000000000000058010000C00000000102000001000000ADCC7698B447DB4BB65E16F193C4F3DB0000000000000000000000000000000001000000000000000000000000000000000000000000000018020000800000000102000000000000B0A03EDC44A19747B95B53FA242B6E1D0000000000000000000000000000000001000000000000000000000000000000000000000000000098020000080100000102000000000000011D1E8AF94257459C33565E5CC3F7E8000000000000000000000000000000000100000000000000000000000000000000000000000000007F010000000000000002040000000000FB0600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000000000000000000007000000000000000200000000000000FB06000000080402BDE30000FFFBEBBF0000000000000000000000000000000000000000000000000000000000000000B3F8F31CB1C5A249AA595EEF92FFA63C01000000000000009E07000600000000000000000000000000000000000000000000000000000000000000000000000001000000010000009E496E355FD2C90102000000000000000000000000000000000000000000000000080000400000B2000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000


The BSOD error in Event Viewer has error ID 1001 Bugcheck:

The computer has rebooted from a bugcheck. The bugcheck was: 0x00000124 (0x0000000000000000, 0xfffffa8005170028, 0x00000000b2000040, 0x0000000000000800). A dump was saved in: C:\Windows\MEMORY.DMP. Report Id: 051109-21496-01.

I do not understand why it is giving me a bus/interconnect error when my computer is perfectly stable. Has anybody else ever had a problem like this?

EDIT: Also seems to be only occuring on processor ID 2 and 3.
 
Do you have your GTLs off of auto? I had that one when I was working on an oc on my Q9400 and I fixed it by messing around with my GTLs.

If I'm not mistaken, that fault is caused by one of the cores tripping over that 2/3s VTT line causing the system to get confused on if the voltage is dropping or rising.
 
GTL Reference was set manually to .67x. I think it might have to do with CPU/NB clock skew, but not sure, I'm testing it with stock settings now just to see if it is overclock related or software related.
 
I think it was an instability after all, LinX crashed me within 3 loops :O. Northbridge set to 1.45V and no problem anymore! Gosh how could I be so naive :p. So this is solved.
 
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