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<p style="margin-top:0;margin-bottom:0">Good Morning,</p>
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<p style="margin-top:0;margin-bottom:0"> I've encountered an issue updating lustre from 2.10.6 to 2.10.7 on my metadata system.</p>
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<p style="margin-top:0;margin-bottom:0">I installed the updated RPMs using whamcloud's yum repository, but when I run modprobe -v lustre I get the following errors:</p>
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<div>insmod /lib/modules/3.10.0-957.1.3.el7_lustre.x86_64/extra/libcfs.ko.xz </div>
<div>insmod /lib/modules/3.10.0-957.1.3.el7_lustre.x86_64/extra/lnet.ko.xz networks=o2ib0(bond0) </div>
<div>insmod /lib/modules/3.10.0-957.1.3.el7_lustre.x86_64/extra/obdclass.ko.xz </div>
<div>insmod /lib/modules/3.10.0-957.1.3.el7_lustre.x86_64/extra/ptlrpc.ko.xz </div>
<div>insmod /lib/modules/3.10.0-957.1.3.el7_lustre.x86_64/extra/fld.ko.xz </div>
<div>modprobe: ERROR: could not insert 'lustre': Invalid argument</div>
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<div>dmesg shows the following:</div>
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<div>[ 377.981515] fld: disagrees about version of symbol class_export_put</div>
<div>[ 377.981518] fld: Unknown symbol class_export_put (err -22)</div>
<div>[ 377.981529] fld: disagrees about version of symbol req_capsule_server_pack</div>
<div>[ 377.981531] fld: Unknown symbol req_capsule_server_pack (err -22)</div>
<div>[ 377.981537] fld: disagrees about version of symbol req_capsule_set_size</div>
<div>[ 377.981538] fld: Unknown symbol req_capsule_set_size (err -22)</div>
<div>[ 377.981542] fld: disagrees about version of symbol req_capsule_client_get</div>
<div>[ 377.981543] fld: Unknown symbol req_capsule_client_get (err -22)</div>
<div>[ 377.981555] fld: disagrees about version of symbol lu_env_init</div>
<div>[ 377.981556] fld: Unknown symbol lu_env_init (err -22)</div>
<div>[ 377.981562] fld: disagrees about version of symbol ptlrpc_queue_wait</div>
<div>[ 377.981563] fld: Unknown symbol ptlrpc_queue_wait (err -22)</div>
<div>[ 377.981571] fld: disagrees about version of symbol lu_context_key_get</div>
<div>[ 377.981573] fld: Unknown symbol lu_context_key_get (err -22)</div>
<div>[ 377.981604] fld: disagrees about version of symbol lu_env_fini</div>
<div>[ 377.981606] fld: Unknown symbol lu_env_fini (err -22)</div>
<div>[ 377.981611] fld: disagrees about version of symbol lu_context_key_degister</div>
<div>[ 377.981612] fld: Unknown symbol lu_context_key_degister (err -22)</div>
<div>[ 377.981623] fld: disagrees about version of symbol class_exp2cliimp</div>
<div>[ 377.981625] fld: Unknown symbol class_exp2cliimp (err -22)</div>
<div>[ 377.981631] fld: disagrees about version of symbol req_capsule_set</div>
<div>[ 377.981632] fld: Unknown symbol req_capsule_set (err -22)</div>
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<p style="margin-top:0;margin-bottom:0">I've tried uninstalling and reinstalling the RPMs but this is always the state I end up in.</p>
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<p style="margin-top:0;margin-bottom:0">I'm using zfs for the back end, and those modules work after the upgrade </p>
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<p style="margin-top:0;margin-bottom:0">Here are the RPMs currently installed.</p>
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<div>perf-3.10.0-957.1.3.el7_lustre.x86_64</div>
<div>lustre-resource-agents-2.10.7-1.el7.x86_64</div>
<div>lustre-osd-zfs-mount-2.10.7-1.el7.x86_64</div>
<div>kernel-headers-3.10.0-957.1.3.el7_lustre.x86_64</div>
<div>lustre-2.10.7-1.el7.x86_64</div>
<div>kernel-3.10.0-957.1.3.el7_lustre.x86_64</div>
<div>perf-debuginfo-3.10.0-957.el7_lustre.x86_64</div>
<div>lustre-zfs-dkms-2.10.7-1.el7.noarch</div>
<div>kernel-debuginfo-common-x86_64-3.10.0-957.el7_lustre.x86_64</div>
<div>kernel-devel-3.10.0-957.1.3.el7_lustre.x86_64</div>
<div>bpftool-3.10.0-957.el7_lustre.x86_64</div>
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<br>
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<p style="margin-top:0;margin-bottom:0">Thank you,</p>
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<p style="margin-top:0; margin-bottom:0"><span style="color:rgb(51,51,51); font-family:monospace; font-size:14.16px">Kurt J. Strosahl</span><br style="color:rgb(51,51,51); font-family:monospace; font-size:14.16px">
<span style="color:rgb(51,51,51); font-family:monospace; font-size:14.16px">System Administrator: Lustre, HPC</span><br style="color:rgb(51,51,51); font-family:monospace; font-size:14.16px">
<span style="color:rgb(51,51,51); font-family:monospace; font-size:14.16px">Scientific Computing Group, Thomas Jefferson National Accelerator Facility</span><br>
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