Realport driver 40002086_AC and RedHat 9.4 compile issue

Realport
1

Compiling Realport driver 40002086_AC on RedHat 9.4 reports an error with class_create in dgrp-1.9/driver/build/dgrp_sysfs.c. Redhat back ported a kernel 6.4 change to RHEL 9.4 ie kernel 5.14.

change:

if LINUX_VERSION_CODE < KERNEL_VERSION(6,4,0)
dgrp_class = class_create(THIS_MODULE, “digi_realport”);
#else
dgrp_class = class_create(“digi_realport”);
#endif

To

if LINUX_VERSION_CODE < KERNEL_VERSION(5,14,0)
dgrp_class = class_create(THIS_MODULE, “digi_realport”);
#else
dgrp_class = class_create(“digi_realport”);
#endif

With this change, driver compiles and runs.

-mick

2

We had exactly the same problem and solved it the same way…
It seems to work fine like this but because we don’t know enough about the consequnces of this fix, we decided to downgrade RHEL.
We don’t like the fact that we need to recompile the drivers everytime we upgrade RHEL; We are going to switch to using raw tcp sockets in combination with the linux ‘socat’ utility. This seems to work equaly as well and doesn’t require recompiling.

3

Hi ,

This issue has been reported to Digi.

We will address Red Hat 9.4 support in the next release of the Linux Realport driver release currently scheduled for September 24 time frame.

As stated in the driver release notes. The driver you are attempting to load was tested to version 9.3.

4

Any news about the time frame of the Linux Realport driver release?

5

Hi Steven,

the next release of the Linux realport is scheduled for sometime in October. We are currently in the beta cycle with the driver waiting for customer feedback before releasing it.

You can create a support case if you would like to test the driver using RedHat 9.4.

6

Any update on a release date? Will it work with RHEL 9.5, which was released a week or so ago?

7

Kevin,

We still do not have a release date for the Linux Realport driver. The driver that will be released soon will include support for RHEL 9.5.

8

Checking back - any update as to when this will be available?

Kevin

9

Hi Kevin,

we are getting close to releasing the Linux Realport driver. We found an issue with Red Hat/Rocky Linux 9.5 during pre-release testing. This issue was resolved. We re-tested the driver and we are not seeing an further issues. The ECO release process will began the first part of January. I am hope to see a released driver by mid January.