On 9/10/21 4:47 PM, Bob Pearson wrote: > On 9/10/21 3:23 PM, Bart Van Assche wrote: >> On 9/10/21 12:38 PM, Pearson, Robert B wrote: >>> 1. Which rdma-core are you running? Out of box or the github tree? >> >> I'm using the rdma-core package included in openSUSE Tumbleweed. blktests >> pass with that rdma-core package against older kernel versions so I think >> the rdma-core package is fine. The version number of the rdma-core package >> I'm using is as follows: >> $ rpm -q rdma-core >> rdma-core-36.0-1.1.x86_64 >> >> The rdma tool comes from the iproute2 package: >> $ rpm -qf /sbin/rdma >> iproute2-5.13-1.1.x86_64 >> >>> 3. Where did you get the kernel bits? Which git tree? Which branch? >> >> Hmm ... wasn't that mentioned in my previous email? I mentioned a commit >> SHA and these SHA numbers are unique and unambiguous. Anyway: commit >> 2169b908894d comes from the for-rc branch of the following git repository: >> git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma.git. >> >> Bart. >> >> > > OK I checked out the kernel with the SHA number above and applied the patch series > and rebuilt and reinstalled the kernel. I checked out v36.0 of rdma-core and rebuilt > that. rdma is version 5.9.0 but I doubt that will have any effect. My startup script > is > > export LD_LIBRARY_PATH=/home/bob/src/rdma-core/build/lib/:/usr/local/lib:/usr/lib > > > > sudo ip link set dev enp0s3 mtu 8500 > > sudo ip addr add dev enp0s3 fe80::0a00:27ff:fe94:8a69/64 > > sudo rdma link add rxe0 type rxe netdev enp0s3 > > > I am running on a Virtualbox VM instance of Ubuntu 21.04 with 20 cores and 8GB of RAM. > > The test looks like > > sudo ./check -q srp/001 > > srp/001 (Create and remove LUNs) [passed] > > runtime 1.174s ... 1.236s > > There were no issues. > > Any guesses what else to look at? > > Thanks, > > Bob > The 8500 is not required. It runs fine with 4K MTU just as well.