Hey Ju, On 3/17/20 2:32 PM, Ju-Hyoung Lee wrote: > My original rdma-core version was 22 then but it still shows after installed rdma-core-28. > > This is my log of the original state. > dependency-vm:~ # ldd `which ibv_devices` > linux-vdso.so.1 (0x00007ffdeb7ec000) > libibverbs.so.1 => /usr/lib64/libibverbs.so.1 (0x00007f68c7ecd000) > libc.so.6 => /lib64/libc.so.6 (0x00007f68c7b12000) > libnl-route-3.so.200 => /usr/lib64/libnl-route-3.so.200 (0x00007f68c789c000) > libnl-3.so.200 => /usr/lib64/libnl-3.so.200 (0x00007f68c767a000) > libpthread.so.0 => /lib64/libpthread.so.0 (0x00007f68c745b000) > libdl.so.2 => /lib64/libdl.so.2 (0x00007f68c7257000) > /lib64/ld-linux-x86-64.so.2 (0x00007f68c82e9000) > dependency-vm:~ # ls -al /usr/lib64/libibverbs.so.1 > lrwxrwxrwx 1 root root 22 Dec 9 12:31 /usr/lib64/libibverbs.so.1 -> libibverbs.so.1.5.22.5 > dependency-vm:~ # > > After build.sh in rdma-core-28.0, build.sh builds rdma-core locally and doesn't install it in the system. you can do: ls -al build/lib/libibverbs.so.1 note you can also run the binaries this way, for example from the root rdma-core dir: ./build/bin/ibv_devinfo Mark > > dependency-vm:~/rdma-core-28.0 # ls -al /usr/lib64/libibverbs.so.1 > lrwxrwxrwx 1 root root 22 Dec 9 12:31 /usr/lib64/libibverbs.so.1 -> libibverbs.so.1.5.22.5 > > -----Original Message----- > From: Jason Gunthorpe <jgg@xxxxxxxx> > Sent: Tuesday, March 17, 2020 12:46 PM > To: Ju-Hyoung Lee <juhlee@xxxxxxxxxxxxx> > Cc: linux-rdma@xxxxxxxxxxxxxxx > Subject: [EXTERNAL] Re: Find rdma-core version > > On Tue, Mar 17, 2020 at 05:23:28AM +0000, Ju-Hyoung Lee wrote: >> Hi, >> >> Can anyone help me find what rdma-core version I installed in the >> system? It's a set of lib and utilities, but there might be a way I >> can verify the version after the official release installation. Any >> help? > > $ ldd `which ibv_devinfo` > linux-vdso.so.1 (0x00007ffc63bd6000) > libibverbs.so.1 => /lib64/libibverbs.so.1 (0x00007f3de67c4000) [..] > > $ ls -l /lib64/libibverbs.so.1 > lrwxrwxrwx 1 root root 22 Mar 6 19:43 /lib64/libibverbs.so.1 -> libibverbs.so.1.7.27.0* > ^^^^ > > rdma-core version is 27 > > Jason >