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Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.3.1 Subject: Re: hmm_test issues with latest mainline To: David Hildenbrand , Shuah Khan , 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 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> Content-Language: en-US From: Vlastimil Babka In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1665729952; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; 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spf=pass (imf27.hostedemail.com: domain of vbabka@suse.cz designates 195.135.220.28 as permitted sender) smtp.mailfrom=vbabka@suse.cz; dmarc=none X-Stat-Signature: kzsbxs9hxydtnp8wxqyr6q8s5pcadoqx X-Rspamd-Queue-Id: 5BB8C40028 X-HE-Tag: 1665729952-256155 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 20:00, 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. >> >> #  RUN           hmm.hmm_device_private.exclusive ... >> # hmm-tests.c:1673:exclusive:Expected ret (-16) == 0 (0) >> hmm close returned (-1) fd is (3) >> # exclusive: Test failed at step #1 >> #          FAIL  hmm.hmm_device_private.exclusive >> not ok 20 hmm.hmm_device_private.exclusive >> #  RUN           hmm.hmm_device_private.exclusive_mprotect ... >> # hmm-tests.c:1727:exclusive_mprotect:Expected ret (-16) == 0 (0) >> hmm close returned (-1) fd is (3) >> # exclusive_mprotect: Test failed at step #1 >> #          FAIL  hmm.hmm_device_private.exclusive_mprotect >> not ok 21 hmm.hmm_device_private.exclusive_mprotect >> #  RUN           hmm.hmm_device_private.exclusive_cow ... >> # hmm-tests.c:1780:exclusive_cow:Expected ret (-16) == 0 (0) >> hmm close returned (-1) fd is (3) >> # exclusive_cow: Test failed at step #1 >> #          FAIL  hmm.hmm_device_private.exclusive_cow >> not ok 22 hmm.hmm_device_private.exclusive_cow >> > > Is the kernel compiled with support. I have the feeling that we might simply > miss kernel support and it's not handled gracefully ... If you mean CONFIG_DEVICE_PRIVATE=y then it's there. Couldn't find anything relevant that wouldn't be enabled.