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F@H Core Shutdown: UNSTABLE_MACHINE

post #1 of 12
Thread Starter 
So I recently started folding again and I've downloaded the SMP client and the GPU3 console client. I'm folding with my sig rig for ~8 hours a day. My x3 720BE is OC'd to 3.4Ghz and my 5850 was overclocked to 850/1200.

Here's a tiny section of the log file:
[07:24:12] Folding@Home GPU Core - Beta
[07:24:12] Version 1.24 (Mon Feb 9 11:00:12 PST 2009)
[07:24:12]
[07:24:12] Compiler : Microsoft (R) 32-bit C/C++ Optimizing Compiler Version 14.00.50727.762 for 80x86
[07:24:12] Build host: amoeba
[07:24:12] Board Type: AMD
[07:24:12] Core :
[07:24:12] Preparing to commence simulation
[07:24:12] - Looking at optimizations...
[07:24:12] - Files status OK
[07:24:12] - Expanded 98703 -> 492188 (decompressed 498.6 percent)
[07:24:12] Called DecompressByteArray: compressed_data_size=98703 data_size=492188, decompressed_data_size=492188 diff=0
[07:24:12] - Digital signature verified
[07:24:12]
[07:24:12] Project: 5733 (Run 2, Clone 627, Gen 424)
[07:24:12]
[07:24:12] Assembly optimizations on if available.
[07:24:12] Entering M.D.
[07:24:18] Will resume from checkpoint file
[07:24:18] Tpr hash work/wudata_03.tpr: 1942618275 19573181 3940596159 2133796425 2457440507
[07:24:18] Working on Protein
[07:24:19] Client config found, loading data.
[07:24:19] Starting GUI Server
[07:24:22] Resuming from checkpoint
[07:24:22] fcCheckPointResume: retreived and current tpr file hash:
[07:24:22] 0 1942618275 1942618275
[07:24:22] 1 19573181 19573181
[07:24:22] 2 3940596159 3940596159
[07:24:22] 3 2133796425 2133796425
[07:24:22] 4 2457440507 2457440507
[07:24:23] Verified work/wudata_03.log
[07:24:23] Verified work/wudata_03.edr
[07:24:23] Verified work/wudata_03.xtc
[07:24:23] Completed 32%
[07:27:22] Completed 33%
[07:30:29] Completed 34%
[07:33:34] Completed 35%
[07:36:32] Completed 36%
[07:39:56] Completed 37%
[07:42:54] Completed 38%
[07:45:52] Completed 39%
[07:47:04] mdrun_gpu returned
[07:47:04] NANs detected on GPU
[07:47:04]
[07:47:04] Folding@home Core Shutdown: UNSTABLE_MACHINE
[07:47:08] CoreStatus = 7A (122)
[07:47:08] Sending work to server
[07:47:08] Project: 5733 (Run 2, Clone 627, Gen 424)
[07:47:08] - Read packet limit of 540015616... Set to 524286976.
[07:47:08] - Error: Could not get length of results file work/wuresults_03.dat
[07:47:08] - Error: Could not read unit 03 file. Removing from queue.
[07:47:09] - Preparing to get new work unit...
[07:47:09] Cleaning up work directory
[07:47:09] + Attempting to get work packet
[07:47:09] Passkey found
[07:47:09] Gpu type=1 species=4.
[07:47:09] - Connecting to assignment server
[07:47:10] - Successful: assigned to (171.64.65.102).
[07:47:10] + News From Folding@Home: Welcome to Folding@Home
[07:47:10] Loaded queue successfully.
[07:47:10] Gpu type=1 species=4.
[07:47:11] - Attempt #1 to get work failed, and no other work to do.
Waiting before retry.
[07:47:22] + Attempting to get work packet
[07:47:22] Passkey found
[07:47:22] Gpu type=1 species=4.
[07:47:22] - Connecting to assignment server
[07:47:23] - Successful: assigned to (171.64.65.102).
[07:47:23] + News From Folding@Home: Welcome to Folding@Home
[07:47:23] Loaded queue successfully.
[07:47:23] Gpu type=1 species=4.
[07:47:25] + Closed connections
[07:47:30]
[07:47:30] + Processing work unit
[07:47:30] Core required: FahCore_11.exe
[07:47:30] Core found.
[07:47:30] Working on queue slot 04 [June 2 07:47:30 UTC]
[07:47:30] + Working ...
[07:47:30]


There are no errors at all with my SMP client.

After receiving the errors I backed down to stock with my GPU. However even at stock I still receive the UNSTABLE_MACHINE error. I never notice the errors (no pop-ups or anything) until I check the client.

Any help would be much appreciated...

Will +rep
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post #2 of 12
unstable overclock, could be as little as 100Mhz or a tiny bit of Voltage needed to the vCore; most likely picked up a more intensive WU than normal if its a once off thing
Edited by OCTDBADBRO - 6/2/11 at 1:28am
post #3 of 12
Thread Starter 
Quote:
Originally Posted by OCTDBADBRO View Post
unstable overclock, could be as little as 100Mhz or a tiny bit of Voltage needed to the vCore; most likely picked up a more intensive WU than normal if its a once off thing
Thanks. It's not a one off thing, I've folded a couple of GPU WU and all of them received the error. Since it can't be the GPU that's unstable I bumped the CPU voltage up to 1.45v...
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post #4 of 12
Try deleting the core file in the work folder. Then delete the queue.dat file. Open the program it should download a new core file and hopefully that will do the trick.
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post #5 of 12
Thread Starter 
Quote:
Originally Posted by Hog View Post
Try deleting the core file in the work folder. Then delete the queue.dat file. Open the program it should download a new core file and hopefully that will do the trick.
I'll do that. I reckon you think my core is corrupted or something, is that the case? Sorry just trying to learn.
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post #6 of 12
Its possible, it has happened to me before.
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post #7 of 12
Quote:
Originally Posted by ikcti View Post
Thanks. It's not a one off thing, I've folded a couple of GPU WU and all of them received the error. Since it can't be the GPU that's unstable I bumped the CPU voltage up to 1.45v...
It's the GPU which is unstable, from the log:
'Nans detected on GPU. That means the GPU is making errors while folding.
I think the 850Mhz clock is not stable, have you upped the voltage on the GPU a bit?

Second, you're saying the SMP is stable, that means the OC is stable for the CPU, there is no need to up the voltage on the CPU even more when it's already stable.
post #8 of 12
Thread Starter 
Stef42, I thought that too, so I backed my OC down to stock and tested. The log that I posted was the GPU at stock. Anyway I've done what Hog said and I've been folding for about a little more than an hour. So far no problems yet but it's only been a short while.

Edit: I thought OCTDBADBRO was referring to the CPU so I went and increased the CPU voltage, silly me
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post #9 of 12
You should have said the GPU was running at stock speed when you posted the log... Anyway, if the client is doing fine at stock speed then you know the GPU is not stable at higher speeds.
post #10 of 12
Hey slightly off topic but why don't you use Client v7? It'd be better for you as your using an ATI card, plus it's really easy to use.
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