Re: Base 7.0.10 and RHEL 6

[Érico Nogueira Rolim via Tech-talk <tech-talk at aps.anl.gov>]

Hi Mark!

On 5/4/26 15:04, Mark Rivers via Tech-talk wrote:

Folks,

I have a few old RHEL 6 systems running Dectris 100K detectors.  These cannot be upgraded to more recent Linux because of the driver for the GigaStar PCI card.

I have been able to build EPICS base and areaDetector for these up to base 7.0.7.

We are currently testing a setup running the old Linux kernel and camserver inside a VM with PCI-passthrough, and running the IOC outside of the VM on a modern distro, with a shared mount for the camserver files.

It's worked for initial tests, but we haven't tried putting it in production just yet.

If this setup would be useful to you, let me know and I'll see if we can speed up documenting the setup.

I just tried moving to base 7.0.10, and it fails as follows:

make -C O.linux-x86_64-rhel6 -f ../Makefile TOP=../../../../.. \

            T_A=linux-x86_64-rhel6 install

make[5]: Entering directory `/corvette/usr/local/epics/base-7.0.10/modules/database/src/ioc/O.linux-x86_64-rhel6'

perl -CSD /corvette/usr/local/epics/base-7.0.10/bin/linux-x86_64-rhel6/genVersionHeader.pl   -t ../../../../.. -N EPICS_VCS_VERSION -V "" ../O.Common/epicsVCS.h

Keeping VCS header ../O.Common/epicsVCS.h

    EPICS_VCS_VERSION = ""

perl -CSD ../../../../../bin/linux-x86_64-rhel6/dbdToMD.pl   -I. -I.. -I../O.Common -I../as -I../bpt -I../db -I../dbStatic -I../dbtemplate -I../misc -I../registry -I../rsrv -I../../../../../dbd -o menuConvert.md ../bpt/menuConvert.dbd.pod

Pod::Simple version 3.27 required--this is only version 3.13 at /corvette/usr/local/epics/base-7.0.10/bin/linux-x86_64-rhel6/../../lib/perl/Pod/Markdown.pm line 21.

BEGIN failed--compilation aborted at /corvette/usr/local/epics/base-7.0.10/bin/linux-x86_64-rhel6/../../lib/perl/Pod/Markdown.pm line 21.

Compilation failed in require at (eval 6) line 3.

        ...propagated at /usr/share/perl5/base.pm line 94.

BEGIN failed--compilation aborted at /corvette/usr/local/epics/base-7.0.10/bin/linux-x86_64-rhel6/../../lib/perl/EPICS/PodMD.pm line 8.

Compilation failed in require at ../../../../../bin/linux-x86_64-rhel6/dbdToMD.pl line 21.

BEGIN failed--compilation aborted at ../../../../../bin/linux-x86_64-rhel6/dbdToMD.pl line 21.

The issue is the version of POD:Simple. RHEL 6 only provides 3.13 but it appears that base requires 3.27.

I did not see anything in the base release notes about what versions of Linux are supported in 7.0.10.

I understand if there is a need to drop support for RHEL 6, I can continue to use base 7.0.7 for that arch.  However, if this was unintentional I thought I would let folks know about the issue.

Thanks,

Mark

 

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