OS didn't detect the PCI 6225 and PCI 6509 card anymore

[soheil08]

Hi, I installed NIDaqmx Linux driver on CentOS 7.5. At the first it detected the cards installed on the motherboard correctly and I could check it using the command: 

nidevls --verbose

Dev1
   BusType: PCI
   DevSerialNum: 0x129A763
   PCI.BusNum: 0x5
   PCI.DevNum: 0x2
   ProductNum: 0x716C
   ProductType: PCI-6225
Dev2
   BusType: PCI
   DevSerialNum: 0x12BDE0D
   PCI.BusNum: 0x5
   PCI.DevNum: 0x1
   ProductNum: 0x7085
   ProductType: PCI-6509

But today after a week, the driver couldn't detect them and it shows:

Dev1 [No Present]
   BusType: PCI
   DevSerialNum: 0x129A763
   PCI.BusNum: 0x5
   PCI.DevNum: 0x2
   ProductNum: 0x716C
   ProductType: PCI-6225
Dev2 [No Present]
   BusType: PCI
   DevSerialNum: 0x12BDE0D
   PCI.BusNum: 0x5
   PCI.DevNum: 0x1
   ProductNum: 0x7085
   ProductType: PCI-6509

I checked and the NI Service is running. After every restart, a new device will be added to the output of the command

nidevls --verbose

I faced with the same problem a few weeks ago and after re-installing the OS and installing the NI driver again, it had been solved, but it happened again! How can I fix that?

[GabeJ]

---

@soheil08

I checked and the NI Service is running. After every restart, a new device will be added to the output of the command

nidevls --verbose

Can you show an example of that?