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[70.123.227.116]) by smtp.gmail.com with ESMTPSA id 35sm848506otb.68.2020.05.27.08.55.02 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 27 May 2020 08:55:02 -0700 (PDT) Subject: Re: util-linux-2.35.2 test failures To: Karel Zak Cc: Util-Linux References: <6b88784c-b130-27d4-2ec5-0d25320dd6fb@gmail.com> <20200527131154.p2rqxhcz6d56ik7m@ws.net.home> From: Bruce Dubbs Message-ID: Date: Wed, 27 May 2020 10:55:02 -0500 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.5.0 MIME-Version: 1.0 In-Reply-To: <20200527131154.p2rqxhcz6d56ik7m@ws.net.home> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: util-linux-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: util-linux@vger.kernel.org On 5/27/20 8:11 AM, Karel Zak wrote: > On Tue, May 26, 2020 at 05:34:13PM -0500, Bruce Dubbs wrote: >> I'm getting three test failures and hope I can get someone to help. >> >> The test failures are ipcs/mk-rm-msg, ipcs/mk-rm-sem, and ipcs/mk-rm-shm. >> >> Concentrating on mk-rm-msg, I found on the system: >> >> ./tests/output/ipcs/mk-rm-msg >> ./tests/ts/ipcs/mk-rm-msg >> ./tests/expected/ipcs/mk-rm-msg >> >> The contents of the output and the expected files are identical: >> >> Message queue id: >> 1 >> Message queue id: >> >> I am running the tests as a non-privileged user. >> >> If I run the commands: >> >> $ ipcmk -Q (returns 24) >> $ ipcs -q -i 24 >> $ ipcrm -q 24 >> $ echo $? >> 0 >> >> Everything looks OK. Does anyone have an idea why this test (these tests) >> are failing? > > I had no time to play with it yet, but according to feedback from > https://github.com/karelzak/util-linux/issues/1042 there is some kernel > regression: > > The ipcs tests are failing due to a regression in kernels 5.6.8 > through 5.6.13. Or mainline commits between > 89163f93c6f969da5811af5377cc10173583123b and > 5e698222c70257d13ae0816720dde57c56f81e15 (apparently including your > 5.7.0-rc0). Thanks. I'll try 5.6.14 and report back. -- Bruce