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NI-488.2 2024 Q3 Known Issues

Created Nov 4, 2024

Overview

This document contains the NI-488.2 known issues that were discovered before and since the release of NI-488.2 2024 Q3. Known issues are performance issues or technical bugs that NI has acknowledged exist within this version of the product.

 

Not every issue known to NI appears on this list; it is intended to show the most severe and common issues that you may encounter and provide workarounds when possible. Other technical issues that you may encounter could occur through normal product use or system compatibility issues. You may find more information on these issues in NI’s Product Documentation, Knowledgebase, or Community; see Additional Resources.

Bug Number

Legacy ID

Description

Details

NI-488.2 Fails to Install on Linux Kernel 5.13 or Later with Fatal Error

When installing certain NI drivers onto a Linux system using kernel version 5.13 or later, the installation fails with an error about not finding all the dependencies it needs such as:

/var/lib/dkms/nikal/21.5.0f129/build/nikal.c:32:16: fatal error: config/modversions.h: No such file or directory

Workaround:

Reattempt the installation after adding modversions.h to the kernel headers for your current system kernel. For example:
sudo touch /usr/src/linux-headers-$(uname -r)/include/config/modversions.h

Reported Version:

NI-488.2: 21.5

Resolved Version:

N/A

Added:

May 10, 2022
2154388

NI-488.2 Help for GPIB Explorer and GPIB Troubleshooting Wizard Fails to Open on the KDE Desktop Environment

When invoking help in GPIB Explorer or GPIB Troubleshooting Wizard, the respective errors are thrown:
  • "The file or folder //localhost/usr/share/doc/ni-488.2-documentation/OnlineHelp/GpibHelp/index.htm does not exist."
  • "The file or folder //localhost/usr/share/doc/ni-488.2-documentation/OnlineHelp/TSWHelp/index.htm does not exist."

Workaround:

Copy the help file path in the error message omitting the "//localhost" part of the text and paste it into the browser. For example, paste: 

  • "/usr/share/doc/ni-488.2-documentation/OnlineHelp/GpibHelp/index.htm"
  • "/usr/share/doc/ni-488.2-documentation/OnlineHelp/TSWHelp/index.htm"

Reported Version:

NI-488.2: 2022 Q4

Resolved Version:

N/A

Added:

Sep 28, 2022
1210589

NI Drivers may fail under Linux kernel DMA remapping

Attempts to use NI devices may fail on Linux kernels that have enabled DMA remapping.  The Linux kernel logs will contain errors similar to the following:
DMAR: [DMA Read NO_PASID] Request device [06:00.0] fault addr 0xb8441000 [fault reason 0x06] PTE Read access is not set
Linux distributions that enable DMA remapping by default include Ubuntu 22.04 with kernel 6.8 or higher and Ubuntu 24.04.

Workaround:

Modify the Linux kernel DMA remapping configuration as outlined in https://www.ni.com/r/iommu-linux.

Reported Version:

NI Linux Device Drivers: 2020 | NI-488.2: 20.0

Resolved Version:

N/A

Added:

Oct 30, 2024

Final Time Issue Listed

Issues found in this section will not be listed in future known issues documents for this product.

There are currently no issues to list.

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Glossary of Terms

 

  • Bug ID - When an issue is reported to NI, you may be given this ID or find it on ni.com.  You may also find IDs posted by NI on the discussion forums or in KnowledgeBase articles.
  • Legacy ID – An older issue ID that refers to the same issue.  You may instead find this issue ID in older known issues documents.
  • Description - A few sentences which describe the problem. The brief description given does not necessarily describe the problem in full detail.
  • Workaround - Possible ways to work around the problem.
  • Reported Version - The earliest version in which the issue was reported.
  • Resolved Version - Version in which the issue was resolved or was no longer applicable. "N/A" indicates that the issue has not been resolved.
  • Date Added - The date the issue was added to the document (not the reported date).