What were you trying to do that didn't work?

Running pyverbs-tests on rdma-qe-34/35 which have Broadcom BCM57504

What is the impact of this issue to you?

pyverbs-tests fails with Segmentation fault

Please provide the package NVR for which the bug is seen:

$ grep -i distro /etc/motd | uniq | tr -d ' '
DISTRO=RHEL-10.1-updates-20250904.2
$ cat /etc/redhat-release
Red Hat Enterprise Linux release 10.1 Beta (Coughlan)
$ uname -r
6.12.0-124.el10.x86_64
$ rpm -q --qf '%

-%

-%

\n' rdma-core perftest opensm ucx openmpi mpich mpich2 fabtests eth-tools-basic eth-tools-fastfabric linux-firmware
rdma-core-57.0-1.el10
perftest-25.04.0.0.84-1.el10
package opensm is not installed
ucx-1.18.1-1.el10
openmpi-5.0.2-5.el10
package mpich is not installed
package mpich2 is not installed
package fabtests is not installed
package eth-tools-basic is not installed
package eth-tools-fastfabric is not installed
linux-firmware-20250812-19.el10
$ lspci | grep -i -E 'ethernet|infiniband|omni|ConnectX'
19:00.0 Ethernet controller: Intel Corporation I350 Gigabit Network Connection (rev 01)
19:00.1 Ethernet controller: Intel Corporation I350 Gigabit Network Connection (rev 01)
19:00.2 Ethernet controller: Intel Corporation I350 Gigabit Network Connection (rev 01)
19:00.3 Ethernet controller: Intel Corporation I350 Gigabit Network Connection (rev 01)
5e:00.0 Ethernet controller: Broadcom Inc. and subsidiaries BCM57504 NetXtreme-E 10Gb/25Gb/40Gb/50Gb/100Gb Ethernet (rev 11)
5e:00.1 Ethernet controller: Broadcom Inc. and subsidiaries BCM57504 NetXtreme-E 10Gb/25Gb/40Gb/50Gb/100Gb Ethernet (rev 11)
5e:00.2 Ethernet controller: Broadcom Inc. and subsidiaries BCM57504 NetXtreme-E 10Gb/25Gb/40Gb/50Gb/100Gb Ethernet (rev 11)
5e:00.3 Ethernet controller: Broadcom Inc. and subsidiaries BCM57504 NetXtreme-E 10Gb/25Gb/40Gb/50Gb/100Gb Ethernet (rev 11)
$

How reproducible is this bug?:

Always

Steps to reproduce

1. On rdma-qe-34/35 with BCM57504, install RHEL-10.1
2. execute pyverbs-tests

Expected results

pyvertbs-tests to successfully complete & pass

Actual results

test_full_rq_bad_flow (tests.test_qpex.QpExTestCase.test_full_rq_bad_flow) ... ok
test_post_receive_qp_state_bad_flow (tests.test_qpex.QpExTestCase.test_post_receive_qp_state_bad_flow) ... FAIL
test_post_send_qp_state_bad_flow (tests.test_qpex.QpExTestCase.test_post_send_qp_state_bad_flow) ... FAIL
test_qp_ex_rc_atomic_cmp_swp (tests.test_qpex.QpExTestCase.test_qp_ex_rc_atomic_cmp_swp) ... ok
test_qp_ex_rc_atomic_fetch_add (tests.test_qpex.QpExTestCase.test_qp_ex_rc_atomic_fetch_add) ... ok
test_qp_ex_rc_atomic_write (tests.test_qpex.QpExTestCase.test_qp_ex_rc_atomic_write) ... ./runtest.sh: line 54: 21556 Segmentation fault (core dumped) ./run_tests.py -v --dev $HCA_ID --port $DEVICE_PORT