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Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.2.2 Subject: Re: hmm_test issues with latest mainline Content-Language: en-US To: David Hildenbrand , Vlastimil Babka , Alex Sierra , Alistair Popple Cc: Jason Gunthorpe , Ralph Campbell , Felix Kuehling , Christoph Hellwig , Jerome Glisse , "linux-mm@kvack.org" , "open list:KERNEL SELFTEST FRAMEWORK" , Shuah Khan , Shuah Khan References: <26017fe3-5ad7-6946-57db-e5ec48063ceb@suse.cz> <7e2e6679-3205-3540-f522-9eaed2940559@redhat.com> <44fcecda-31a4-7288-1848-63003dfe0a7d@linuxfoundation.org> <04114304-7b35-d42f-0155-087e3b6237c6@suse.cz> <0e02ace6-2fad-47d2-03b9-d8a46f256097@suse.cz> From: Shuah Khan In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1665689905; a=rsa-sha256; cv=none; b=v/dxXiKbqXGsI4Wf/6Z9rFVKz7XwipFC8V7CbAYNZKQrFnDVY9Fx/L7MRQsV/zm6PoYbwI WNy8jdlSWntR+qVCBOgjA6yHSE44JniWmtiiq0tVfi46Nl/qWaWibYvDr8wWz0M03poFz1 KzSb8rSFg0fwi2Y2VEHPahjBxWTKjuQ= ARC-Authentication-Results: i=1; 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dkim=pass header.d=linuxfoundation.org header.s=google header.b=KkWHiT9d; spf=pass (imf04.hostedemail.com: domain of skhan@linuxfoundation.org designates 209.85.166.42 as permitted sender) smtp.mailfrom=skhan@linuxfoundation.org; dmarc=pass (policy=none) header.from=linuxfoundation.org X-HE-Tag: 1665689905-531512 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On 10/13/22 12:00, David Hildenbrand wrote: >>>>> When did that test start failing? Was it still ok for 6.0? >>> >>> Didn't test yet, will try, in case it's my system/config specific thing. >> >> So it's actually all the same with v6.0 for me. The infinite loops, the test >> failures, the misreported SKIPs. >> I am not seeing infinite loops and seeing 25 failures which could be skips. > > Is the kernel compiled with support. I have the feeling that we might simply miss kernel support and it's not handled gracefully ... > Here is my config CONFIG_HMM_MIRROR=y # CONFIG_TEST_HMM is not set Okay here is what is going on - hmm_tests are supposed to be run from test_hmm.sh script. When I run this I see a message that tells me what to do. sudo ./test_hmm.sh ./test_hmm.sh: You must have the following enabled in your kernel: CONFIG_TEST_HMM=m Running ./hmm_tests gives me all the failures. So it appears running hmm_tests executable won't work. This is expected as test_hmm.sh does the right setup before running the test. We have several tests that do that. Vlastimil, can you try this and let me know what you see. I will compile with CONFIG_TEST_HMM=m and let you know what I see on my system. thanks, -- Shuah