Linux, Phantom GPU: UNSUPPORTED: NV3 [PCI]

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Linux, Phantom GPU: UNSUPPORTED: NV3 [PCI]

Postby ChristianVirtual » Sat Jul 02, 2016 10:41 pm

had a look into the header of my log file after the reinstall of CentOS 7 and the nV 367.27 driver ... found something interesting:

Code: Select all
*********************** Log Started 2016-07-02T14:19:18Z ***********************
14:19:18:************************* Folding@home Client *************************
14:19:18:    Website: http://folding.stanford.edu/
14:19:18:  Copyright: (c) 2009-2014 Stanford University
14:19:18:     Author: Joseph Coffland <joseph@cauldrondevelopment.com>
14:19:18:       Args: --child --lifeline 3142 /etc/fahclient/config.xml --run-as
14:19:18:             fahclient --pid-file=/var/run/fahclient.pid --daemon
14:19:18:     Config: /etc/fahclient/config.xml
14:19:18:******************************** Build ********************************
14:19:18:    Version: 7.4.4
14:19:18:       Date: Mar 4 2014
14:19:18:       Time: 12:01:17
14:19:18:    SVN Rev: 4130
14:19:18:     Branch: fah/trunk/client
14:19:18:   Compiler: GNU 4.1.2 20080704 (Red Hat 4.1.2-46)
14:19:18:    Options: -std=gnu++98 -O3 -funroll-loops -mfpmath=sse -ffast-math
14:19:18:             -fno-unsafe-math-optimizations -msse2
14:19:18:   Platform: linux2 2.6.18-164.11.1.el5
14:19:18:       Bits: 64
14:19:18:       Mode: Release
14:19:18:******************************* System ********************************
14:19:18:        CPU: Intel(R) Core(TM) i7-2600S CPU @ 2.80GHz
14:19:18:     CPU ID: GenuineIntel Family 6 Model 42 Stepping 7
14:19:18:       CPUs: 8
14:19:18:     Memory: 31.21GiB
14:19:18:Free Memory: 30.03GiB
14:19:18:    Threads: POSIX_THREADS
14:19:18: OS Version: 3.10
14:19:18:Has Battery: false
14:19:18: On Battery: false
14:19:18: UTC Offset: 9
14:19:18:        PID: 3144
14:19:18:        CWD: /var/lib/fahclient
14:19:18:         OS: Linux 3.10.0-327.22.2.el7.x86_64 x86_64
14:19:18:    OS Arch: AMD64
14:19:18:       GPUs: 3
14:19:18:      GPU 0: NVIDIA:5 GM200 [GeForce GTX 980 Ti]
14:19:18:      GPU 1: NVIDIA:5 GP104 [GeForce GTX 1070]
14:19:18:      GPU 2: UNSUPPORTED: NV3 [PCI]
14:19:18:       CUDA: 6.1
14:19:18:CUDA Driver: 8000
14:19:18:***********************************************************************


I agree with the list for GPU 0 and GPU 1; I would disagree with the GPU 2; not sure where that is coming from ...

Code: Select all
$ lspci | grep VGA
01:00.0 VGA compatible controller: NVIDIA Corporation GM200 [GeForce GTX 980 Ti] (rev a1)
02:00.0 VGA compatible controller: NVIDIA Corporation Device 1b81 (rev a1)


Any idea where the phantom is coming from ?

folding slots are only configures for the two real GPU's; its not hurting and might be a driver glitch. The FAHClient 7.4.4 is several times reinstalled but with the same result.
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Re: Linux, Phantom GPU: UNSUPPORTED: NV3 [PCI]

Postby ChristianVirtual » Sat Jul 02, 2016 10:44 pm

interesting: just see that also in the log from this windows-oriented thread: viewtopic.php?f=83&t=28859

my FAHclient -lspci
Code: Select all
[ ~]$ FAHClient --lspci
VendorID:DeviceID:Vendor Name:Description
0x8086:0x0100:Intel Corporation:
0x8086:0x0101:Intel Corporation:
0x8086:0x0105:Intel Corporation:
0x8086:0x1e31:Intel Corporation:
0x8086:0x1e3a:Intel Corporation:
0x8086:0x1503:Intel Corporation:
0x8086:0x1e2d:Intel Corporation:
0x8086:0x1e20:Intel Corporation:
0x8086:0x1e10:Intel Corporation:
0x8086:0x1e14:Intel Corporation:
0x8086:0x1e16:Intel Corporation:
0x8086:0x244e:Intel Corporation:
0x8086:0x1e1e:Intel Corporation:
0x8086:0x1e26:Intel Corporation:
0x8086:0x1e44:Intel Corporation:
0x8086:0x1e02:Intel Corporation:
0x8086:0x1e22:Intel Corporation:

0x10de:0x17c8:NVIDIA Corporation:
0x10de:0x0fb0:NVIDIA Corporation:
0x10de:0x1b81:NVIDIA Corporation:
0x10de:0x10f0:NVIDIA Corporation:NV3 [PCI]

0x1b21:0x1042:ASMedia Technology Inc.:
0x1b21:0x0612:ASMedia Technology Inc.:
0x1b21:0x1080:ASMedia Technology Inc.:
0x1b21:0x1042:ASMedia Technology Inc.:


looks like the audio part of the card get misidentified as GPU ...

Code: Select all
01:00.0 VGA compatible controller: NVIDIA Corporation GM200 [GeForce GTX 980 Ti] (rev a1)
01:00.1 Audio device: NVIDIA Corporation Device 0fb0 (rev a1)
02:00.0 VGA compatible controller: NVIDIA Corporation Device 1b81 (rev a1)
02:00.1 Audio device: NVIDIA Corporation Device 10f0 (rev a1)
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Re: Linux, Phantom GPU: UNSUPPORTED: NV3 [PCI]

Postby Foxbat » Tue Aug 30, 2016 1:33 pm

I noticed the OP has a GTX 1070, and I saw this same behavior on my Dell T7400 after I installed my new GTX 1070. It hasn't seemed to have a negative impact on Folding.
Due to the difference in slot order, mine shows GPU0 as NVIDIA:5 GP104 [GeForce GTX 1070], GPU1 as UNSUPPORTED: NV3 [PCI], and GPU2 as NVIDIA: 5 GM206 [GeForce GTX 960]
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Re: Linux, Phantom GPU: UNSUPPORTED: NV3 [PCI]

Postby Nathan_P » Tue Aug 30, 2016 3:25 pm

I got the unsupported: NV3 PCI message on my 1070 as well, it took a few attempts to get the card running but its now fine, driver glitch or a misreading of the audio device in the detection routines on the client?
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Re: Linux, Phantom GPU: UNSUPPORTED: NV3 [PCI]

Postby bruce » Tue Aug 30, 2016 4:29 pm

Nathan_P wrote:I got the unsupported: NV3 PCI message on my 1070 as well, it took a few attempts to get the card running but its now fine, driver glitch or a misreading of the audio device in the detection routines on the client?

... or a change of detection order of GPUs without repeating all of FAH's GPU configuration process or even trying to do it without GPUs.txt being updated.
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Re: Linux, Phantom GPU: UNSUPPORTED: NV3 [PCI]

Postby 7im » Tue Aug 30, 2016 4:36 pm

As long as it stays unsupported, and the rest of the hardware is auto-detected and runs, I don't see a problem.
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