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SubjectRe: [PATCH v11 00/25] mm/gup: track dma-pinned pages: FOLL_PIN
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On 12/19/19 1:07 PM, Jason Gunthorpe wrote:
...
>> 3. It would be nice if I could reproduce this. I have a two-node mlx5 Infiniband
>> test setup, but I have done only the tiniest bit of user space IB coding, so
>> if you have any test programs that aren't too hard to deal with that could
>> possibly hit this, or be tweaked to hit it, I'd be grateful. Keeping in mind
>> that I'm not an advanced IB programmer. At all. :)
>
> Clone this:
>
> https://github.com/linux-rdma/rdma-core.git
>
> Install all the required deps to build it (notably cython), see the README.md
>
> $ ./build.sh
> $ build/bin/run_tests.py
>
> If you get things that far I think Leon can get a reproduction for you
>

Cool, it's up and running (1 failure, 3 skipped, out of 67 tests).

This is a great test suite to have running, I'll add it to my scripts. Here's the
full output in case the failure or skip cases are a problem:

$ sudo ./build/bin/run_tests.py --verbose

test_create_ah (tests.test_addr.AHTest) ... ok
test_create_ah_roce (tests.test_addr.AHTest) ... skipped "Can't run RoCE tests on IB link layer"
test_destroy_ah (tests.test_addr.AHTest) ... ok
test_create_comp_channel (tests.test_cq.CCTest) ... ok
test_destroy_comp_channel (tests.test_cq.CCTest) ... ok
test_create_cq_ex (tests.test_cq.CQEXTest) ... ok
test_create_cq_ex_bad_flow (tests.test_cq.CQEXTest) ... ok
test_destroy_cq_ex (tests.test_cq.CQEXTest) ... ok
test_create_cq (tests.test_cq.CQTest) ... ok
test_create_cq_bad_flow (tests.test_cq.CQTest) ... ok
test_destroy_cq (tests.test_cq.CQTest) ... ok
test_rc_traffic_cq_ex (tests.test_cqex.CqExTestCase) ... ok
test_ud_traffic_cq_ex (tests.test_cqex.CqExTestCase) ... ok
test_xrc_traffic_cq_ex (tests.test_cqex.CqExTestCase) ... ok
test_create_dm (tests.test_device.DMTest) ... ok
test_create_dm_bad_flow (tests.test_device.DMTest) ... ok
test_destroy_dm (tests.test_device.DMTest) ... ok
test_destroy_dm_bad_flow (tests.test_device.DMTest) ... ok
test_dm_read (tests.test_device.DMTest) ... ok
test_dm_write (tests.test_device.DMTest) ... ok
test_dm_write_bad_flow (tests.test_device.DMTest) ... ok
test_dev_list (tests.test_device.DeviceTest) ... ok
test_open_dev (tests.test_device.DeviceTest) ... ok
test_query_device (tests.test_device.DeviceTest) ... ok
test_query_device_ex (tests.test_device.DeviceTest) ... ok
test_query_gid (tests.test_device.DeviceTest) ... ok
test_query_port (tests.test_device.DeviceTest) ... FAIL
test_query_port_bad_flow (tests.test_device.DeviceTest) ... ok
test_create_dm_mr (tests.test_mr.DMMRTest) ... ok
test_destroy_dm_mr (tests.test_mr.DMMRTest) ... ok
test_buffer (tests.test_mr.MRTest) ... ok
test_dereg_mr (tests.test_mr.MRTest) ... ok
test_dereg_mr_twice (tests.test_mr.MRTest) ... ok
test_lkey (tests.test_mr.MRTest) ... ok
test_read (tests.test_mr.MRTest) ... ok
test_reg_mr (tests.test_mr.MRTest) ... ok
test_reg_mr_bad_flags (tests.test_mr.MRTest) ... ok
test_reg_mr_bad_flow (tests.test_mr.MRTest) ... ok
test_rkey (tests.test_mr.MRTest) ... ok
test_write (tests.test_mr.MRTest) ... ok
test_dereg_mw_type1 (tests.test_mr.MWTest) ... ok
test_dereg_mw_type2 (tests.test_mr.MWTest) ... ok
test_reg_mw_type1 (tests.test_mr.MWTest) ... ok
test_reg_mw_type2 (tests.test_mr.MWTest) ... ok
test_reg_mw_wrong_type (tests.test_mr.MWTest) ... ok
test_odp_rc_traffic (tests.test_odp.OdpTestCase) ... ok
test_odp_ud_traffic (tests.test_odp.OdpTestCase) ... skipped 'ODP is not supported - ODP recv not supported'
test_odp_xrc_traffic (tests.test_odp.OdpTestCase) ... ok
test_default_allocators (tests.test_parent_domain.ParentDomainTestCase) ... ok
test_mem_align_allocators (tests.test_parent_domain.ParentDomainTestCase) ... ok
test_without_allocators (tests.test_parent_domain.ParentDomainTestCase) ... ok
test_alloc_pd (tests.test_pd.PDTest) ... ok
test_create_pd_none_ctx (tests.test_pd.PDTest) ... ok
test_dealloc_pd (tests.test_pd.PDTest) ... ok
test_destroy_pd_twice (tests.test_pd.PDTest) ... ok
test_multiple_pd_creation (tests.test_pd.PDTest) ... ok
test_create_qp_ex_no_attr (tests.test_qp.QPTest) ... ok
test_create_qp_ex_no_attr_connected (tests.test_qp.QPTest) ... ok
test_create_qp_ex_with_attr (tests.test_qp.QPTest) ... ok
test_create_qp_ex_with_attr_connected (tests.test_qp.QPTest) ... ok
test_create_qp_no_attr (tests.test_qp.QPTest) ... ok
test_create_qp_no_attr_connected (tests.test_qp.QPTest) ... ok
test_create_qp_with_attr (tests.test_qp.QPTest) ... ok
test_create_qp_with_attr_connected (tests.test_qp.QPTest) ... ok
test_modify_qp (tests.test_qp.QPTest) ... ok
test_query_qp (tests.test_qp.QPTest) ... ok
test_rdmacm_sync_traffic (tests.test_rdmacm.CMTestCase) ... skipped 'No devices with net interface'

======================================================================
FAIL: test_query_port (tests.test_device.DeviceTest)
----------------------------------------------------------------------
Traceback (most recent call last):
File "/kernel_work/rdma-core/tests/test_device.py", line 129, in test_query_port
self.verify_port_attr(port_attr)
File "/kernel_work/rdma-core/tests/test_device.py", line 113, in verify_port_attr
assert 'Invalid' not in d.speed_to_str(attr.active_speed)
AssertionError

----------------------------------------------------------------------
Ran 67 tests in 10.058s

FAILED (failures=1, skipped=3)


thanks,
--
John Hubbard
NVIDIA

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