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#1 2020-03-26 13:42:02

rcorre
Member
Registered: 2015-11-27
Posts: 56

folding@home: No compute devices matched

I'm trying to run foldingathome-noroot, but it fails to identify my NVidia GTX970 GPU. Any idea what I'm missing?

Mar 26 09:37:19 midova FAHClient[7983]: 13:37:19:INFO(1):Read GPUs.txt
Mar 26 09:37:19 midova FAHClient[7983]: 13:37:19:************************* Folding@home Client *************************
Mar 26 09:37:19 midova FAHClient[7983]: 13:37:19:    Website: https://foldingathome.org/
Mar 26 09:37:19 midova FAHClient[7983]: 13:37:19:  Copyright: (c) 2009-2018 foldingathome.org
Mar 26 09:37:19 midova FAHClient[7983]: 13:37:19:     Author: Joseph Coffland <joseph@cauldrondevelopment.com>
Mar 26 09:37:19 midova FAHClient[7983]: 13:37:19:       Args:
Mar 26 09:37:19 midova FAHClient[7983]: 13:37:19:     Config: /var/lib/private/fah/config.xml
Mar 26 09:37:19 midova FAHClient[7983]: 13:37:19:******************************** Build ********************************
Mar 26 09:37:19 midova FAHClient[7983]: 13:37:19:    Version: 7.5.1
Mar 26 09:37:19 midova FAHClient[7983]: 13:37:19:       Date: May 11 2018
Mar 26 09:37:19 midova FAHClient[7983]: 13:37:19:       Time: 19:59:04
Mar 26 09:37:19 midova FAHClient[7983]: 13:37:19: Repository: Git
Mar 26 09:37:19 midova FAHClient[7983]: 13:37:19:   Revision: 4705bf53c635f88b8fe85af7675557e15d491ff0
Mar 26 09:37:19 midova FAHClient[7983]: 13:37:19:     Branch: master
Mar 26 09:37:19 midova FAHClient[7983]: 13:37:19:   Compiler: GNU 6.3.0 20170516
Mar 26 09:37:19 midova FAHClient[7983]: 13:37:19:    Options: -std=gnu++98 -O3 -funroll-loops
Mar 26 09:37:19 midova FAHClient[7983]: 13:37:19:   Platform: linux2 4.14.0-3-amd64
Mar 26 09:37:19 midova FAHClient[7983]: 13:37:19:       Bits: 64
Mar 26 09:37:19 midova FAHClient[7983]: 13:37:19:       Mode: Release
Mar 26 09:37:19 midova FAHClient[7983]: 13:37:19:******************************* System ********************************
Mar 26 09:37:19 midova FAHClient[7983]: 13:37:19:        CPU: Intel(R) Core(TM) i5-4590 CPU @ 3.30GHz
Mar 26 09:37:19 midova FAHClient[7983]: 13:37:19:     CPU ID: GenuineIntel Family 6 Model 60 Stepping 3
Mar 26 09:37:19 midova FAHClient[7983]: 13:37:19:       CPUs: 4
Mar 26 09:37:19 midova FAHClient[7983]: 13:37:19:     Memory: 7.70GiB
Mar 26 09:37:19 midova FAHClient[7983]: 13:37:19:Free Memory: 3.17GiB
Mar 26 09:37:19 midova FAHClient[7983]: 13:37:19:    Threads: POSIX_THREADS
Mar 26 09:37:19 midova FAHClient[7983]: 13:37:19: OS Version: 5.5
Mar 26 09:37:19 midova FAHClient[7983]: 13:37:19:Has Battery: false
Mar 26 09:37:19 midova FAHClient[7983]: 13:37:19: On Battery: false
Mar 26 09:37:19 midova FAHClient[7983]: 13:37:19: UTC Offset: -4
Mar 26 09:37:19 midova FAHClient[7983]: 13:37:19:        PID: 7983
Mar 26 09:37:19 midova FAHClient[7983]: 13:37:19:        CWD: /var/lib/private/fah
Mar 26 09:37:19 midova FAHClient[7983]: 13:37:19:         OS: Linux 5.5.13-arch1-1 x86_64
Mar 26 09:37:19 midova FAHClient[7983]: 13:37:19:    OS Arch: AMD64
Mar 26 09:37:19 midova FAHClient[7983]: 13:37:19:       GPUs: 1
Mar 26 09:37:19 midova FAHClient[7983]: 13:37:19:      GPU 0: Bus:1 Slot:0 Func:0 NVIDIA:5 GM204 [GeForce GTX 970]
Mar 26 09:37:19 midova FAHClient[7983]: 13:37:19:       CUDA: Not detected: cuInit() returned 999
Mar 26 09:37:19 midova FAHClient[7983]: 13:37:19:     OpenCL: Not detected: clGetPlatformIDs() returned -1001
Mar 26 09:37:19 midova FAHClient[7983]: 13:37:19:***********************************************************************
Mar 26 09:37:19 midova FAHClient[7983]: 13:37:19:<config>
Mar 26 09:37:19 midova FAHClient[7983]: 13:37:19:  <!-- User Information -->
Mar 26 09:37:19 midova FAHClient[7983]: 13:37:19:  <team v='241205'/>
Mar 26 09:37:19 midova FAHClient[7983]: 13:37:19:  <user v='rcorre'/>
Mar 26 09:37:19 midova FAHClient[7983]: 13:37:19:
Mar 26 09:37:19 midova FAHClient[7983]: 13:37:19:  <!-- Folding Slots -->
Mar 26 09:37:19 midova FAHClient[7983]: 13:37:19:</config>
Mar 26 09:37:19 midova FAHClient[7983]: 13:37:19:Trying to access database...
Mar 26 09:37:19 midova FAHClient[7983]: 13:37:19:Successfully acquired database lock
Mar 26 09:37:19 midova FAHClient[7983]: 13:37:19:Enabled folding slot 00: READY cpu:2
Mar 26 09:37:19 midova FAHClient[7983]: 13:37:19:Enabled folding slot 01: READY gpu:0:GM204 [GeForce GTX 970]
Mar 26 09:37:19 midova FAHClient[7983]: 13:37:19:ERROR:No compute devices matched GPU #0 NVIDIA:5 GM204 [GeForce GTX 970].  You may need to update your graphics drivers.
Mar 26 09:37:19 midova FAHClient[7983]: 13:37:19:WARNING:WU00:No longer matches Slot 0's configuration, migrating to FS01
Mar 26 09:37:19 midova FAHClient[7983]: 13:37:19:ERROR:Exception: Unit not found

That GPU is listed in GPUs.txt:

[rcorre@midova ~]$ sudo grep "GTX 970" /var/lib/private/fah/GPUs.txt
0x10de:0x13c2:2:5:GM204 [GeForce GTX 970]
0x10de:0x13d8:2:5:GM204 [GeForce GTX 970M] 2365
0x10de:0x1618:2:5:GM204 [GeForce GTX 970M] 2365

I've installed the necessary opencl packages:

[rcorre@midova ~]$ pacman -Qs opencl
local/clinfo 2.2.18.04.06-1
    A simple OpenCL application that enumerates all available platform and device properties
local/ocl-icd 2.2.12-3
    OpenCL ICD Bindings
local/opencl-nvidia 440.64-2
    OpenCL implemention for NVIDIA

The fah user is in the video group

[rcorre@midova ~]$ groups fah
video fah

Here's the full clinfo output:

Number of platforms                               1
  Platform Name                                   NVIDIA CUDA
  Platform Vendor                                 NVIDIA Corporation
  Platform Version                                OpenCL 1.2 CUDA 10.2.141
  Platform Profile                                FULL_PROFILE
  Platform Extensions                             cl_khr_global_int32_base_atomics cl_khr_global_int32_extended_atomics cl_khr_local_int32_base_atomics cl_khr_local_int32_extended_atomics cl_khr_fp64 cl_khr_byte_addressable_store cl_khr_icd cl_khr_gl_sharing cl_nv_compiler_options cl_nv_device_attribute_query cl_nv_pragma_unroll cl_nv_copy_opts cl_nv_create_buffer cl_khr_int64_base_atomics cl_khr_int64_extended_atomics
  Platform Extensions function suffix             NV

  Platform Name                                   NVIDIA CUDA
Number of devices                                 1
  Device Name                                     GeForce GTX 970
  Device Vendor                                   NVIDIA Corporation
  Device Vendor ID                                0x10de
  Device Version                                  OpenCL 1.2 CUDA
  Driver Version                                  440.64
  Device OpenCL C Version                         OpenCL C 1.2 
  Device Type                                     GPU
  Device Topology (NV)                            PCI-E, 01:00.0
  Device Profile                                  FULL_PROFILE
  Device Available                                Yes
  Compiler Available                              Yes
  Linker Available                                Yes
  Max compute units                               13
  Max clock frequency                             1253MHz
  Compute Capability (NV)                         5.2
  Device Partition                                (core)
    Max number of sub-devices                     1
    Supported partition types                     None
    Supported affinity domains                    (n/a)
  Max work item dimensions                        3
  Max work item sizes                             1024x1024x64
  Max work group size                             1024
  Preferred work group size multiple              32
  Warp size (NV)                                  32
  Preferred / native vector sizes                 
    char                                                 1 / 1       
    short                                                1 / 1       
    int                                                  1 / 1       
    long                                                 1 / 1       
    half                                                 0 / 0        (n/a)
    float                                                1 / 1       
    double                                               1 / 1        (cl_khr_fp64)
  Half-precision Floating-point support           (n/a)
  Single-precision Floating-point support         (core)
    Denormals                                     Yes
    Infinity and NANs                             Yes
    Round to nearest                              Yes
    Round to zero                                 Yes
    Round to infinity                             Yes
    IEEE754-2008 fused multiply-add               Yes
    Support is emulated in software               No
    Correctly-rounded divide and sqrt operations  Yes
  Double-precision Floating-point support         (cl_khr_fp64)
    Denormals                                     Yes
    Infinity and NANs                             Yes
    Round to nearest                              Yes
    Round to zero                                 Yes
    Round to infinity                             Yes
    IEEE754-2008 fused multiply-add               Yes
    Support is emulated in software               No
  Address bits                                    64, Little-Endian
  Global memory size                              4236115968 (3.945GiB)
  Error Correction support                        No
  Max memory allocation                           1059028992 (1010MiB)
  Unified memory for Host and Device              No
  Integrated memory (NV)                          No
  Minimum alignment for any data type             128 bytes
  Alignment of base address                       4096 bits (512 bytes)
  Global Memory cache type                        Read/Write
  Global Memory cache size                        638976 (624KiB)
  Global Memory cache line size                   128 bytes
  Image support                                   Yes
    Max number of samplers per kernel             32
    Max size for 1D images from buffer            268435456 pixels
    Max 1D or 2D image array size                 2048 images
    Max 2D image size                             16384x16384 pixels
    Max 3D image size                             4096x4096x4096 pixels
    Max number of read image args                 256
    Max number of write image args                16
  Local memory type                               Local
  Local memory size                               49152 (48KiB)
  Registers per block (NV)                        65536
  Max number of constant args                     9
  Max constant buffer size                        65536 (64KiB)
  Max size of kernel argument                     4352 (4.25KiB)
  Queue properties                                
    Out-of-order execution                        Yes
    Profiling                                     Yes
  Prefer user sync for interop                    No
  Profiling timer resolution                      1000ns
  Execution capabilities                          
    Run OpenCL kernels                            Yes
    Run native kernels                            No
    Kernel execution timeout (NV)                 Yes
  Concurrent copy and kernel execution (NV)       Yes
    Number of async copy engines                  2
  printf() buffer size                            1048576 (1024KiB)
  Built-in kernels                                (n/a)
  Device Extensions                               cl_khr_global_int32_base_atomics cl_khr_global_int32_extended_atomics cl_khr_local_int32_base_atomics cl_khr_local_int32_extended_atomics cl_khr_fp64 cl_khr_byte_addressable_store cl_khr_icd cl_khr_gl_sharing cl_nv_compiler_options cl_nv_device_attribute_query cl_nv_pragma_unroll cl_nv_copy_opts cl_nv_create_buffer cl_khr_int64_base_atomics cl_khr_int64_extended_atomics

NULL platform behavior
  clGetPlatformInfo(NULL, CL_PLATFORM_NAME, ...)  NVIDIA CUDA
  clGetDeviceIDs(NULL, CL_DEVICE_TYPE_ALL, ...)   Success [NV]
  clCreateContext(NULL, ...) [default]            Success [NV]
  clCreateContextFromType(NULL, CL_DEVICE_TYPE_DEFAULT)  No platform
  clCreateContextFromType(NULL, CL_DEVICE_TYPE_CPU)  No devices found in platform
  clCreateContextFromType(NULL, CL_DEVICE_TYPE_GPU)  No platform
  clCreateContextFromType(NULL, CL_DEVICE_TYPE_ACCELERATOR)  No devices found in platform
  clCreateContextFromType(NULL, CL_DEVICE_TYPE_CUSTOM)  Invalid device type for platform
  clCreateContextFromType(NULL, CL_DEVICE_TYPE_ALL)  No platform

ICD loader properties
  ICD loader Name                                 OpenCL ICD Loader
  ICD loader Vendor                               OCL Icd free software
  ICD loader Version                              2.2.12
  ICD loader Profile                              OpenCL 2.2
[rcorre@midova ~]$ lsmod | grep nvidia
nvidia_uvm           1101824  0
nvidia_drm             53248  3
nvidia_modeset       1118208  6 nvidia_drm
nvidia              20471808  286 nvidia_uvm,nvidia_modeset
drm_kms_helper        237568  1 nvidia_drm
ipmi_msghandler        73728  2 ipmi_devintf,nvidia
drm                   557056  6 drm_kms_helper,nvidia_drm

Last edited by rcorre (2020-04-02 11:46:59)

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#2 2020-03-26 19:51:13

mr_dashi
Member
Registered: 2018-07-13
Posts: 4

Re: folding@home: No compute devices matched

Is the foldingathome.service active? I tried installing the other day and couldn't get the daemon to start.

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#3 2020-03-27 00:02:22

rcorre
Member
Registered: 2015-11-27
Posts: 56

Re: folding@home: No compute devices matched

Yes, the service status is running, but it shows those errors in the log.

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#4 2020-03-27 11:08:17

rcorre
Member
Registered: 2015-11-27
Posts: 56

Re: folding@home: No compute devices matched

I forgot to mention: I also made the ld.so.conf adjustment mentioned at https://wiki.archlinux.org/index.php/GP … OpenCL.so)

[rcorre@midova ~]$ sudo cat /etc/ld.so.conf.d/00-usrlib.conf
/usr/lib

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#5 2020-03-27 11:09:07

rcorre
Member
Registered: 2015-11-27
Posts: 56

Re: folding@home: No compute devices matched

And nvidia is listed in my opencl vendors:

[rcorre@midova ~]$ ls /etc/OpenCL/vendors/
nvidia.icd

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#6 2020-03-31 08:35:54

OOFscr
Member
Registered: 2012-10-06
Posts: 27

Re: folding@home: No compute devices matched

Confirmed, I've got the same problem with my 1070 mobile. I've checked all the Outputs of the original post, exactly the same for me, only gpu is different. Everything else is absolutely identical (all the outputs), same packages installed, fah user is in video group.

ERROR:No compute devices matched GPU #0 NVIDIA:5 GP104BM [GeForce GTX 1070 Mobile] 6463.  You may need to update your graphics drivers.

Interesting enough, it worked for me some days ago (<= 10). I tried to downgrade nvidia driver, but then mkinitcpio complains that there's no nvidia and no nvidia-drm module. By the way, back when it worked, fah user was not even in video group. I just tried this as one of the fixes lately, when it already had stopped working.

I'm not sure how to proceed from here, but it might be that one of the latest driver updates introduced this, nvidia-440.64-5 or nvidia-440.64-8.

Last edited by OOFscr (2020-03-31 08:36:35)

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#7 2020-04-01 15:31:12

rcorre
Member
Registered: 2015-11-27
Posts: 56

Re: folding@home: No compute devices matched

Yes, I was pretty sure I had it working a few days before I posted this too.

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#8 2020-04-01 23:48:06

rcorre
Member
Registered: 2015-11-27
Posts: 56

Re: folding@home: No compute devices matched

Ooh, it is working after an update today.

[2020-04-01T11:33:44-0400] [ALPM] upgraded linux (5.5.13.arch1-1 -> 5.5.13.arch2-1)
[2020-04-01T11:33:47-0400] [ALPM] upgraded nvidia (440.64-8 -> 440.64-9)

Last edited by rcorre (2020-04-01 23:48:31)

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#9 2020-04-02 01:15:58

OOFscr
Member
Registered: 2012-10-06
Posts: 27

Re: folding@home: No compute devices matched

Sadly, not for me, still the same error although I did the same update. Was already happy after reading your post :(

Apr 02 03:11:18 ArchBoxJ FAHClient[2088]: 01:11:18:Free Memory: 27.84GiB
Apr 02 03:11:18 ArchBoxJ FAHClient[2088]: 01:11:18:    Threads: POSIX_THREADS
Apr 02 03:11:18 ArchBoxJ FAHClient[2088]: 01:11:18: OS Version: 5.5
Apr 02 03:11:18 ArchBoxJ FAHClient[2088]: 01:11:18:Has Battery: true
Apr 02 03:11:18 ArchBoxJ FAHClient[2088]: 01:11:18: On Battery: false
Apr 02 03:11:18 ArchBoxJ FAHClient[2088]: 01:11:18: UTC Offset: 2
Apr 02 03:11:18 ArchBoxJ FAHClient[2088]: 01:11:18:        PID: 2088
Apr 02 03:11:18 ArchBoxJ FAHClient[2088]: 01:11:18:        CWD: /var/lib/private/fah
Apr 02 03:11:18 ArchBoxJ FAHClient[2088]: 01:11:18:         OS: Linux 5.5.13-arch2-1 x86_64
Apr 02 03:11:18 ArchBoxJ FAHClient[2088]: 01:11:18:    OS Arch: AMD64
Apr 02 03:11:18 ArchBoxJ FAHClient[2088]: 01:11:18:       GPUs: 1
Apr 02 03:11:18 ArchBoxJ FAHClient[2088]: 01:11:18:      GPU 0: Bus:1 Slot:0 Func:0 NVIDIA:5 GP104BM [GeForce GTX 1070 Mobile] 6463
Apr 02 03:11:18 ArchBoxJ FAHClient[2088]: 01:11:18:       CUDA: Not detected: cuInit() returned 999
Apr 02 03:11:18 ArchBoxJ FAHClient[2088]: 01:11:18:     OpenCL: Not detected: clGetPlatformIDs() returned -1001
Apr 02 03:11:18 ArchBoxJ FAHClient[2088]: 01:11:18:***********************************************************************
Apr 02 03:11:18 ArchBoxJ FAHClient[2088]: 01:11:18:<config>
Apr 02 03:11:18 ArchBoxJ FAHClient[2088]: 01:11:18:  <!-- Slot Control -->
Apr 02 03:11:18 ArchBoxJ FAHClient[2088]: 01:11:18:  <power v='FULL'/>
Apr 02 03:11:18 ArchBoxJ FAHClient[2088]: 01:11:18:
Apr 02 03:11:18 ArchBoxJ FAHClient[2088]: 01:11:18:  <!-- User Information -->
Apr 02 03:11:18 ArchBoxJ FAHClient[2088]: 01:11:18:  <team v='45032'/>
Apr 02 03:11:18 ArchBoxJ FAHClient[2088]: 01:11:18:
Apr 02 03:11:18 ArchBoxJ FAHClient[2088]: 01:11:18:  <!-- Folding Slots -->
Apr 02 03:11:18 ArchBoxJ FAHClient[2088]: 01:11:18:  <slot id='0' type='CPU'/>
Apr 02 03:11:18 ArchBoxJ FAHClient[2088]: 01:11:18:  <slot id='1' type='GPU'/>
Apr 02 03:11:18 ArchBoxJ FAHClient[2088]: 01:11:18:</config>
Apr 02 03:11:18 ArchBoxJ FAHClient[2088]: 01:11:18:Trying to access database...
Apr 02 03:11:18 ArchBoxJ FAHClient[2088]: 01:11:18:Successfully acquired database lock
Apr 02 03:11:18 ArchBoxJ FAHClient[2088]: 01:11:18:Enabled folding slot 00: READY cpu:7
Apr 02 03:11:18 ArchBoxJ FAHClient[2088]: 01:11:18:Enabled folding slot 01: READY gpu:0:GP104BM [GeForce GTX 1070 Mobile] 6463
Apr 02 03:11:18 ArchBoxJ FAHClient[2088]: 01:11:18:ERROR:No compute devices matched GPU #0 NVIDIA:5 GP104BM [GeForce GTX 1070 Mobile] 6463.  You may need to update your graphics drivers.

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#10 2020-04-02 01:17:54

OOFscr
Member
Registered: 2012-10-06
Posts: 27

Re: folding@home: No compute devices matched

And it already happened, and I already rebootet just to be sure sad

[2020-04-02T02:57:25+0200] [ALPM] upgraded linux (5.5.13.arch1-1 -> 5.5.13.arch2-1)
[2020-04-02T02:57:29+0200] [ALPM] upgraded linux-headers (5.5.13.arch1-1 -> 5.5.13.arch2-1)
[2020-04-02T02:57:29+0200] [ALPM] upgraded nvidia (440.64-8 -> 440.64-9)

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#11 2020-04-02 11:46:36

rcorre
Member
Registered: 2015-11-27
Posts: 56

Re: folding@home: No compute devices matched

Argh, I fooled myself too. After booting this morning I'm back to the same issue. Something got it working, but it wasn't the update sad

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#12 2020-04-02 12:32:32

rcorre
Member
Registered: 2015-11-27
Posts: 56

Re: folding@home: No compute devices matched

It seems the magic might be running `sudo clinfo` (sudo is needed!) _before_ starting the service. https://bbs.archlinux.org/viewtopic.php?id=177991 suggests that you need to run an opencl/cuda program once as root, then it will work rootless after that. Weird, but seems to work for me.

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#13 2020-04-02 17:41:34

OOFscr
Member
Registered: 2012-10-06
Posts: 27

Re: folding@home: No compute devices matched

Seriously, WTF? This seems to work for me, too. I am pretty sure I clinfo'ed from root account yesterday, so yes, it seems sudo is indeed neccessary. Big thanks! But again: WTF?

Edit: Because, on my system FAHClient runs as user fah, who is in no way connected to sudo and doesn't use sudo. I don't get it. Does sudo + clinfo somehow expose otherwise restricted OpenCL / nvidia components to the userspace? Any Captain here?!

Last edited by OOFscr (2020-04-02 17:53:08)

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#14 2020-04-03 22:28:18

Strubbl
Member
Registered: 2013-12-10
Posts: 19

Re: folding@home: No compute devices matched

same for me. why does sudo clinfo make it work?

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#15 2020-04-14 12:14:30

DAC324
Member
Registered: 2020-03-12
Posts: 8

Re: folding@home: No compute devices matched

I can confirm.
Stopped the foldingathome service, then did sudo clinfo and afterwards, started the service again.
Now, CUDA and OpenCL appear to be detected correctly.

UPDATE

Two questions:
1. Why does that happen this way?  -> this is explained here.
2. Will this survive a reboot? -> No.

And here's a solution:

First, run

/usr/bin/nvidia-modprobe -c0 -u

Then start the foldingathome service:

systemctl start foldingathome.service

I tried to include nvidia-modprobe in the foldingathome.service file to read like this (note the ExecStartPre line). But unfortunately, this fails (most likely due to the service started too early - the modprobe command only works when the graphical desktop is fully loaded).

[Service]
User=fah
Group=fah
WorkingDirectory=/var/lib/fah
ExecStartPre=/usr/bin/nvidia-modprobe -c0 -u
ExecStart=
ExecStart=/opt/fah/FAHClient --config /var/lib/fah/config.xml --exec-directory=/opt/fah --data-directory=/var/lib/fah

One strange thing is that you must keep the empty ExecStart= line as otherwise, systemd complains about a "bad file status", having multiple ExecStart= lines.
So you will HAVE to have multiple ExecStart= lines in order to prevent systemd from complaining about multiple ExecStart= lines.
I assume that only Lennart Poettering can understand this logic big_smile

Last edited by DAC324 (2020-04-15 11:18:34)

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#16 2020-04-17 07:29:05

DAC324
Member
Registered: 2020-03-12
Posts: 8

Re: folding@home: No compute devices matched

Seems to be of no interest anymore. Looks like the Corona virus is already beaten. That's at least good news big_smile

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#17 2020-04-17 09:25:17

Strubbl
Member
Registered: 2013-12-10
Posts: 19

Re: folding@home: No compute devices matched

Thanks for the link to the explanation. i can live with the workaround of calling clinfo first.

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