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Thu, 12 Jun 2025 04:20:41 +0000 Date: Wed, 11 Jun 2025 21:20:36 -0700 From: Dan Williams To: Alistair Popple , David Hildenbrand CC: , , , , Andrew Morton , Lorenzo Stoakes , "Liam R. Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , Zi Yan , Baolin Wang , Nico Pache , Ryan Roberts , Dev Jain , "Dan Williams" , Oscar Salvador , Subject: Re: [PATCH v2 0/3] mm/huge_memory: vmf_insert_folio_*() and vmf_insert_pfn_pud() fixes Message-ID: <684a5594eb21d_2491100de@dwillia2-xfh.jf.intel.com.notmuch> References: <20250611120654.545963-1-david@redhat.com> Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: X-ClientProxiedBy: SJ0PR13CA0080.namprd13.prod.outlook.com (2603:10b6:a03:2c4::25) To PH8PR11MB8107.namprd11.prod.outlook.com (2603:10b6:510:256::6) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: PH8PR11MB8107:EE_|DS0PR11MB7766:EE_ X-MS-Office365-Filtering-Correlation-Id: 7d32fec7-ba04-41d7-0a9f-08dda9687de7 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|366016|376014|7416014|1800799024; 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Some SKIP, some FAIL, some sometimes > > suddenly SKIP on first invocation, ... instructions unclear or the tests > > are shaky. This is how far I got: > > FWIW I had a similar experience, although I eventually got the FAIL cases below > to pass. I forget exactly what I needed to tweak for that though :-/ Add Marc who has been working to clean the documentation up to solve the reproducibility problem with standing up new environments to run these tests. http://lore.kernel.org/20250521002640.1700283-1-marc.herbert@linux.intel.com There is also the run_qemu project that automates build an environment for this. https://github.com/pmem/run_qemu ...but comes with its own set of quirks. I have the following fixups applied to my environment to get his going on Fedora 42 with v6.16-rc1: diff --git a/README.md b/README.md index 37314db7a155..8e06908d5921 100644 --- a/README.md +++ b/README.md @@ -84,6 +84,11 @@ loaded. To build and install nfit_test.ko: CONFIG_TRANSPARENT_HUGEPAGE=y ``` +1. Install the following packages, (Fedora instructions): + ``` + dnf install e2fsprogs xfsprogs parted jq trace-cmd hostname fio fio-engine-dev-dax + ``` + 1. Build and install the unit test enabled libnvdimm modules in the following order. The unit test modules need to be in place prior to the `depmod` that runs during the final `modules_install` diff --git a/test/dax.sh b/test/dax.sh index 3ffbc8079eba..98faaf0eb9b2 100755 --- a/test/dax.sh +++ b/test/dax.sh @@ -37,13 +37,14 @@ run_test() { rc=1 while read -r p; do [[ $p ]] || continue + [[ $p == cpus=* ]] && continue if [ "$count" -lt 10 ]; then if [ "$p" != "0x100" ] && [ "$p" != "NOPAGE" ]; then cleanup "$1" fi fi count=$((count + 1)) - done < <(trace-cmd report | awk '{ print $21 }') + done < <(trace-cmd report | awk '{ print $NF }') if [ $count -lt 10 ]; then cleanup "$1" In the meantime, do not hesitate to ask me to run these tests. FWIW with these patches on top of -rc1 I get: --- [root@host ndctl]# meson test -C build --suite ndctl:dax ninja: Entering directory `/root/git/ndctl/build' [168/168] Linking target ndctl/ndctl 1/13 ndctl:dax / daxdev-errors.sh OK 12.60s 2/13 ndctl:dax / multi-dax.sh OK 2.47s 3/13 ndctl:dax / sub-section.sh OK 6.30s 4/13 ndctl:dax / dax-dev OK 0.04s 5/13 ndctl:dax / dax-ext4.sh OK 3.04s 6/13 ndctl:dax / dax-xfs.sh OK 3.10s 7/13 ndctl:dax / device-dax OK 9.66s 8/13 ndctl:dax / revoke-devmem OK 0.22s 9/13 ndctl:dax / device-dax-fio.sh OK 32.32s 10/13 ndctl:dax / daxctl-devices.sh OK 2.31s 11/13 ndctl:dax / daxctl-create.sh SKIP 0.25s exit status 77 12/13 ndctl:dax / dm.sh OK 1.00s 13/13 ndctl:dax / mmap.sh OK 62.27s Ok: 12 Fail: 0 Skipped: 1 Full log written to /root/git/ndctl/build/meson-logs/testlog.txt --- Note that the daxctl-create.sh skip is a known unrelated v6.16-rc1 regression fixed with this set: http://lore.kernel.org/20250607033228.1475625-1-dan.j.williams@intel.com You can add: Tested-by: Dan Williams