[lustre-discuss] Installing 2.15 on rhel 8.5 fails

[Jian Yu]

Hi Thomas,

The issue is being fixed in https://jira.whamcloud.com/browse/LU-15962.
A workaround is to build Lustre with "--with-o2ib=<path>" configure option.
The <path> is where in-kernel Module.symvers is located.

--
Best regards,
Jian Yu 
 

-----Original Message-----
From: lustre-discuss <lustre-discuss-bounces at lists.lustre.org> on behalf of Thomas Roth via lustre-discuss <lustre-discuss at lists.lustre.org>
Reply-To: Thomas Roth <t.roth at gsi.de>
Date: Wednesday, June 22, 2022 at 10:32 AM
To: Andreas Dilger <adilger at whamcloud.com>
Cc: lustre-discuss <lustre-discuss at lists.lustre.org>
Subject: Re: [lustre-discuss] Installing 2.15 on rhel 8.5 fails

    Hmm, but we are using the in-kernel OFED, so this makes these messages all the more mysterious.
    Regards,
    Thomas
    
    On 22/06/2022 19.12, Andreas Dilger wrote:
    > On Jun 22, 2022, at 10:40, Thomas Roth via lustre-discuss <lustre-discuss at lists.lustre.org<mailto:lustre-discuss at lists.lustre.org>> wrote:
    > 
    > my rhel8 system is actually an Alma Linux 8.5 installation, this is the first time the compatiblity to an alleged rhel8.5 software fails...
    > 
    > 
    > The system is running kernel '4.18.0-348.2.1.el8_5'
    > This version string can also be found in the package names in
    > https://downloads.whamcloud.com/public/lustre/lustre-2.15.0/el8.5.2111/server/RPMS/x86_64
    > - this is usually a good sign.
    > 
    > However, installation of kmod-lustre-2.15.0-1.el8 yields the well known "depmod: WARNINGs", like
    >> /lib/modules/4.18.0-348.2.1.el8_lustre.x86_64/extra/lustre/net/ko2iblnd.ko needs unknown symbol __ib_alloc_pd
    > 
    > 
    > The kernel from downloads.whamcloud.com/public/lustre/lustre-2.15.0/el8.5.2111/server/RPMS/x86_64 identifies itself as "CentOS" and does not want to boot - no option either.
    > 
    > 
    > Any hints how to proceed?
    > 
    > The ko2iblnd module is built against the in-kernel OFED, so if you are using MOFED you will need to rebuild the kernel modules themselves.  If you don't use IB at all you can ignore these depmod messages.
    > 
    > Cheers, Andreas
    > --
    > Andreas Dilger
    > Lustre Principal Architect
    > Whamcloud
    > 
    
    
    
    
    
    
    
    
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