Re: [comedi] No communication between NI PXIe 106 2 Q chassis and the NI PXi 8336 card.

On 04/02/2026 20:41, Alejandro Morales Mori wrote:
> Dear Sirs:
> For many years I worked with Comedi using the NI PXI-1045 chassis from=20
> NI Instruments, controlled by the NI PXI 8336 card connected via fiber=20
> optic cable to a PC's PCI bus. The operating system was Linux Debian,=20
> from which the Comedi software was installed via Synaptic. The=20
> programming language used was C. Everything worked perfectly for many=20
> years until the NI PXI-1045 chassis failed (it stopped delivering power).
> Now we have the NI PXIe 106 2 Q chassis, into which we have inserted the=
=20
> NI PXI 8336 card in slot 2. This card is designed to act as the PXI=20
> system controller via the PC's PCI bus, connected via fiber optic cable.=
=20
> We are using the latest version of the Comedi software.
>=20
> The previous procedure used with the Ni PXI-1045 chassis was: With the=20
> PC off, the Ni PXI-1045 chassis was powered on, then the PC was turned=20
> on, which automatically loaded the Comedi drivers from the /dv file.=20
> Afterward, all PXi cards were active and functional.
>=20
> The actual situation with the new Ni PXIe 106 2 Q =C2=A0 is as =C2=A0foll=
ows: When=20
> the PC is turned on, Debian does not install and the PC freezes,=20
> presumably waiting for a message from the PXi 8336 card. The only=20
> observable effect on the PXi card is that the link LED on the NI PXI=20
> 8336 card changes to lit. We are using Debian 12 and the latest Comedi=20
> installed via synaptic.
> I would like to receive some advice to solve the problem.

Sorry, I think this problem might be outside the scope of the Comedi=20
drivers and libraries.

Are there any data acquisition cards that are supported by Comedi in the=20
chassis?  Does the system boot if those data acquisition cards are removed?

Regards,
Ian Abbott

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