On Jun 22, 2020, at 6:02 AM, Torsten Harenberg <harenb...@physik.uni-wuppertal.de> wrote: > > Dear all, > > due to the attacks to HPC centers, we were advised to update the kernels > to the newest version available. > > It seems that the Lustre 2.12.5 client does not load on the very recent > CentOS 8 kernel anymore: > > [root@arc6 yum.repos.d]# rpm -qa | grep lustre > lustre-client-2.12.5-1.el8.x86_64 > lustre-client-dkms-2.12.5-1.el8.noarch > > [root@arc6 yum.repos.d]# uname -a > Linux arc6.pleiades.uni-wuppertal.de 4.18.0-193.6.3.el8_2.x86_64 #1 SMP > Wed Jun 10 11:09:32 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux > > [root@arc6 yum.repos.d]# modprobe -a lustre > modprobe: ERROR: could not insert 'lustre': Invalid argument > > [root@arc6 yum.repos.d]# dmesg | tail > [ 1157.583204] obdclass: disagrees about version of symbol > cfs_crypto_hash_init > [ 1157.585079] obdclass: Unknown symbol cfs_crypto_hash_init (err -22)
This doesn't seem like a problem with the RHEL8 kernel, but rather a mismatch between your kernel modules (libcfs and obdclass). Maybe you didn't remove the old modules before trying to install the new ones? The "lustre_rmmod" command should do this for you. Cheers, Andreas > [ 1157.586776] obdclass: disagrees about version of symbol > cfs_crypto_hash_update_page > [ 1157.588807] obdclass: Unknown symbol cfs_crypto_hash_update_page (err > -22) > [ 1456.283749] obdclass: disagrees about version of symbol > cfs_crypto_hash_final > [ 1456.287874] obdclass: Unknown symbol cfs_crypto_hash_final (err -22) > [ 1456.290118] obdclass: disagrees about version of symbol > cfs_crypto_hash_init > [ 1456.292143] obdclass: Unknown symbol cfs_crypto_hash_init (err -22) > [ 1456.294009] obdclass: disagrees about version of symbol > cfs_crypto_hash_update_page > [ 1456.296121] obdclass: Unknown symbol cfs_crypto_hash_update_page (err > -22) > > > Complete de- and re-install does not help. > > Is that known? Any advice other than downgrading the kernel again? > > Thanks and kind regards > > Torsten > > > -- > Dr. Torsten Harenberg harenb...@physik.uni-wuppertal.de > Bergische Universitaet > Fakultät 4 - Physik Tel.: +49 (0)202 439-3521 > Gaussstr. 20 Fax : +49 (0)202 439-2811 > 42097 Wuppertal > > _______________________________________________ > lustre-discuss mailing list > lustre-discuss@lists.lustre.org > http://lists.lustre.org/listinfo.cgi/lustre-discuss-lustre.org Cheers, Andreas
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