IBT Stability Question

DragonQ

DragonQ

DragonQ

Soldato
Joined
13 Jun 2009
Posts
6,872
I left my PC on doing IBT tests overnight and turned it on this morning to an error message. However, it looks like the failed run has a massively different value to what it expected (moreso than I've seen in previous failures) and I also realised that the time of failure would have been very close to when I woke the PC up (see the log below). So my question is, could a bug have caused this error to occur when I shook the mouse or whatever to see what the result was rather than it actually failing after 76 (!) passes?

Code: 
----------------------------
IntelBurnTest v2.3
Created by AgentGOD
----------------------------

Processor: Intel(R) Core(TM) i7 CPU         920  @ 2.67GHz
Clock Speed: 3.70 GHz
Active Physical Cores: 8
Total System Memory: 6135 MB

Stress Level: Maximum (4364 MB)
Testing started on 14/07/2009 00:10:34
Time (s)		Speed (GFlops)		Result
[00:16:16] 319.558	26.5868			2.905686e-002
[00:22:09] 332.061	25.5857			2.905686e-002
[00:28:15] 344.348	24.6728			2.905686e-002
[00:34:30] 353.262	24.0502			2.905686e-002
[00:40:37] 345.795	24.5695			2.905686e-002
[00:46:41] 342.469	24.8081			2.905686e-002
[00:52:18] 315.916	26.8933			2.905686e-002
[00:58:45] 365.544	23.2421			2.905686e-002
[01:04:20] 313.840	27.0712			2.905686e-002
[01:09:55] 313.552	27.0960			2.905686e-002
[01:16:08] 351.125	24.1966			2.905686e-002
[01:22:34] 365.485	23.2459			2.905686e-002
[01:28:46] 349.856	24.2843			2.905686e-002
[01:35:02] 354.810	23.9453			2.905686e-002
[01:41:21] 358.269	23.7141			2.905686e-002
[01:47:40] 357.803	23.7449			2.905686e-002
[01:53:46] 343.919	24.7035			2.905686e-002
[02:00:09] 362.450	23.4405			2.905686e-002
[02:06:31] 359.450	23.6362			2.905686e-002
[02:12:49] 356.689	23.8191			2.905686e-002
[02:18:50] 339.639	25.0148			2.905686e-002
[02:24:59] 348.559	24.3747			2.905686e-002
[02:31:18] 357.587	23.7593			2.905686e-002
[02:37:37] 357.605	23.7581			2.905686e-002
[02:43:31] 332.389	25.5604			2.905686e-002
[02:49:42] 349.355	24.3192			2.905686e-002
[02:55:46] 342.817	24.7830			2.905686e-002
[03:02:09] 361.681	23.4904			2.905686e-002
[03:08:28] 357.798	23.7453			2.905686e-002
[03:14:25] 335.655	25.3118			2.905686e-002
[03:20:55] 368.355	23.0648			2.905686e-002
[03:27:19] 363.448	23.3762			2.905686e-002
[03:33:55] 374.895	22.6624			2.905686e-002
[03:39:55] 338.463	25.1018			2.905686e-002
[03:45:20] 303.143	28.0264			2.905686e-002
[03:51:42] 360.205	23.5867			2.905686e-002
[03:58:00] 356.479	23.8332			2.905686e-002
[04:04:31] 370.255	22.9464			2.905686e-002
[04:10:28] 335.793	25.3014			2.905686e-002
[04:16:36] 346.181	24.5421			2.905686e-002
[04:22:26] 329.068	25.8184			2.905686e-002
[04:28:16] 329.185	25.8092			2.905686e-002
[04:34:15] 336.910	25.2175			2.905686e-002
[04:40:28] 351.595	24.1642			2.905686e-002
[04:46:33] 343.688	24.7202			2.905686e-002
[04:52:28] 333.852	25.4485			2.905686e-002
[04:58:38] 349.093	24.3374			2.905686e-002
[05:04:29] 329.657	25.7723			2.905686e-002
[05:10:45] 354.023	23.9985			2.905686e-002
[05:16:43] 337.432	25.1785			2.905686e-002
[05:22:55] 350.828	24.2170			2.905686e-002
[05:28:56] 339.467	25.0276			2.905686e-002
[05:35:25] 367.750	23.1027			2.905686e-002
[05:41:28] 341.426	24.8839			2.905686e-002
[05:47:16] 326.233	26.0428			2.905686e-002
[05:53:26] 348.712	24.3640			2.905686e-002
[05:59:40] 352.803	24.0815			2.905686e-002
[06:05:52] 350.540	24.2370			2.905686e-002
[06:11:56] 343.011	24.7689			2.905686e-002
[06:18:15] 357.180	23.7864			2.905686e-002
[06:24:11] 335.147	25.3501			2.905686e-002
[06:30:07] 333.919	25.4434			2.905686e-002
[06:36:18] 350.188	24.2613			2.905686e-002
[06:42:11] 331.455	25.6325			2.905686e-002
[06:48:23] 350.926	24.2103			2.905686e-002
[06:55:03] 378.046	22.4735			2.905686e-002
[07:01:27] 362.699	23.4244			2.905686e-002
[07:07:26] 337.848	25.1475			2.905686e-002
[07:13:32] 344.388	24.6699			2.905686e-002
[07:19:45] 352.026	24.1347			2.905686e-002
[07:25:57] 350.144	24.2643			2.905686e-002
[07:32:16] 358.587	23.6930			2.905686e-002
[07:38:25] 347.560	24.4448			2.905686e-002
[07:44:53] 366.878	23.1576			2.905686e-002
[07:50:52] 337.575	25.1678			2.905686e-002
[07:57:20] 366.562	23.1776			2.905686e-002
[08:03:31] 349.745	24.2921			1.471042e-001
Testing ended on 14/07/2009 08:03:31
Test Result: Failure.
----------------------------
 
Yeah, Id consider that stable.

Stop it turning off monitors, hard drives, going to sleep etc in power saving. Then set it running, and turn the power off to the monitor manually. Then in the morning turn the monitor back on manually, no shock to system. Its going to be time consuming trying to replicate that error though, Id be inclined to run prime tonight instead and if it passes that, proclaim it stable and continue upwards
 
Well that many passes of IBT are generally not done haha, most people consider 20 passes on max to be perfectly fine! The fact you've passed 76 or whatever shows its fine :p
 
JonJ678 said:
Id be inclined to run prime tonight instead and if it passes that, proclaim it stable and continue upwards
Click to expand...

Continue downwards actually, I'm testing voltages not speed. ;)

I ran it at one higher voltage step than the one I posted above last night and it completed 100 times fine so I think next time I'll drop it down one step again and do Prime95 like you say.
 
OK so both 1.21875V and 1.22500V passed 100 IBT maximum stress tests and I got a blue screen whilst doing nearly nothing with both. Any ideas what that could be? The audio playing starts repeating the same ~1s and everything freezes, then about 5-10s later I get the blue screen. :/

Could be a bad Windows 7 x64 RC driver but I am suspicous.
 
I recommended trying latest version of OCCT CPU[the Classic Test] leave everything on default and change the time at least to 5hours+, my system was stable IBT 60 passes but it would BSOD 124 error with OCCT after 2 hours, I upped the QPI/VTT and no more BSOD
 
message on the BSOD?

Only time I had a BSOD like that is when i have been clocking my graphics card too much.

Also worth reinstalling drivers for both graphics card and sound card
 
I believe it was STOP 0x00000124.

I also have a feeling it might be the graphics card...it idles at 50C but I haven't overclocked it or anything and I only use it for old games and DXVA2. :/
 
Googling that stop code comes back with NV drivers or sound drivers not being happy, tried older version of drivers or upgrading if not on latest ones?
 
I'm using the latest drivers for both. I believe there's only one choice for sound card drivers and they're only "beta" but then Windows 7 isn't out yet so maybe I just have to put up with it until it is. :/

I might try different nVidia drivers but I think the previous drivers had problems also.
 
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