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Fri, 20 Dec 2019 10:01:48 +1100 (AEDT) Received: from hqpgpgate101.nvidia.com (Not Verified[216.228.121.13]) by hqnvemgate26.nvidia.com (using TLS: TLSv1.2, DES-CBC3-SHA) id ; Thu, 19 Dec 2019 15:01:26 -0800 Received: from hqmail.nvidia.com ([172.20.161.6]) by hqpgpgate101.nvidia.com (PGP Universal service); Thu, 19 Dec 2019 15:01:36 -0800 X-PGP-Universal: processed; by hqpgpgate101.nvidia.com on Thu, 19 Dec 2019 15:01:36 -0800 Received: from [10.2.165.11] (10.124.1.5) by HQMAIL107.nvidia.com (172.20.187.13) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Thu, 19 Dec 2019 23:01:32 +0000 Subject: Re: [PATCH v11 00/25] mm/gup: track dma-pinned pages: FOLL_PIN To: Jason Gunthorpe References: <20191216222537.491123-1-jhubbard@nvidia.com> <20191219132607.GA410823@unreal> <20191219210743.GN17227@ziepe.ca> From: John Hubbard X-Nvconfidentiality: public Message-ID: Date: Thu, 19 Dec 2019 14:58:43 -0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.3.0 MIME-Version: 1.0 In-Reply-To: <20191219210743.GN17227@ziepe.ca> X-Originating-IP: [10.124.1.5] X-ClientProxiedBy: HQMAIL111.nvidia.com (172.20.187.18) To HQMAIL107.nvidia.com (172.20.187.13) Content-Type: text/plain; charset="utf-8"; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1; t=1576796486; bh=tiz2hjGylLUwQicEfM7bbVznNfOI7NYEds0c0vA1QMM=; h=X-PGP-Universal:Subject:To:CC:References:From:X-Nvconfidentiality: Message-ID:Date:User-Agent:MIME-Version:In-Reply-To: X-Originating-IP:X-ClientProxiedBy:Content-Type:Content-Language: Content-Transfer-Encoding; b=ax5pfVwRTOuRMGRTTENUug1V5pL/RA0R/ro68Ef6qbAC2dMIpaMVof5lAjrJh/YsQ tzguzyOG/LzutEbtWDwyfHV9sKc8B+QE/oAsfQggRxnppIAZTNjdwjoShd1hqL3Scp PwDEgdunQ5+3RZaDnDjRY1Ma0ZpDqQcVz1QAXQFHukq22+SRzGz1hOWdS1Kam2nyY2 CDT0AZ+Yyg+ZRHDTJHnr4JvmQTB2CGF09WlCJB69OrCNdaPzyZjzlP0CWvWnN5wMNt lrxupzD+I8Xm9/TBpPiZ2SZw5etOEm+wZ4cFWC8o/KBZNRn3emLZ8rxxX3WRl4ZX7o 4lpXlR7HRSRdg== X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Michal Hocko , Jan Kara , kvm@vger.kernel.org, linux-doc@vger.kernel.org, David Airlie , Dave Chinner , dri-devel@lists.freedesktop.org, LKML , linux-mm@kvack.org, Paul Mackerras , linux-kselftest@vger.kernel.org, Ira Weiny , Maor Gottlieb , Leon Romanovsky , Jonathan Corbet , linux-rdma@vger.kernel.org, Christoph Hellwig , Vlastimil Babka , =?UTF-8?B?QmrDtnJuIFTDtnBlbA==?= , linux-media@vger.kernel.org, Shuah Khan , linux-block@vger.kernel.org, =?UTF-8?B?SsOpcsO0bWUgR2xpc3Nl?= , Al Viro , Dan Williams , Mauro Carvalho Chehab , bpf@vger.kernel.org, Magnus Karlsson , Jens Axboe , netdev@vger.kernel.org, Alex Williamson , Daniel Vetter , linux-fsdevel@vger.kernel.org, Andrew Morton , linuxppc-dev@lists.ozlabs.org, "David S . Miller" , Mike Kravetz Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" 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