On 9/2/21 8:02 AM, Jason Gunthorpe wrote: > On Wed, Sep 01, 2021 at 10:25:25PM -0500, Bob Pearson wrote: >> On 9/1/21 10:04 PM, Bob Pearson wrote: >>> rdma link has started to fail today reporting an error as follows after working before. >>> >>> bob@ubunto-21:~$ sudo rdma link add rxe0 type rxe netdev enp0s3 >>> >>> error: Invalid argument >>> >>> bob@ubunto-21: >>> >>> Nothing has changed in the past day or two except I pulled recent changes into rdma-core. This runs after >>> typing >>> >>> export LD_LIBRARY_PATH=/home/bob/src/rdma-core/build/lib/:/usr/local/lib:/usr/lib >>> >>> which is also the same. Any ideas? >>> >>> Bob >>> >> >> Update. I then recompiled the kernel after pulling latest changes >> and now it works. In theory this shouldn't be necessary. The kernel >> APIs should be beckwards compatible. > > I don't think anything has changed here in a long time, so I have no > guess > > 'rdma link' has no relation to rdma-core either > > Perhaps your kernel got in a bad state? > > Jason > Must have. Thanks. -- Bob
