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Date:   Mon, 17 Jul 2023 16:41:00 +0200
From:   Cyril Hrubis <chrubis@suse.cz>
To:     kernel test robot <oliver.sang@intel.com>
Cc:     Waiman Long <longman@redhat.com>,
        Juri Lelli <juri.lelli@redhat.com>,
        Brent Rowsell <browsell@redhat.com>,
        Valentin Schneider <vschneid@redhat.com>,
        Phil Auld <pauld@redhat.com>,
        Vincent Guittot <vincent.guittot@linaro.org>,
        yu.c.chen@intel.com, Peter Zijlstra <peterz@infradead.org>,
        aubrey.li@linux.intel.com, linux-kernel@vger.kernel.org,
        Steven Rostedt <rostedt@goodmis.org>,
        Ben Segall <bsegall@google.com>,
        Peter Hunt <pehunt@redhat.com>, Ingo Molnar <mingo@redhat.com>,
        Mel Gorman <mgorman@suse.de>, oe-lkp@lists.linux.dev,
        Daniel Bristot de Oliveira <bristot@redhat.com>,
        Dietmar Eggemann <dietmar.eggemann@arm.com>,
        ltp@lists.linux.it, lkp@intel.com
Subject: Re: [LTP] [PATCH] sched/core: Use empty mask to reset cpumasks in
 sched_setaffinity()
Message-ID: <ZLVS_ANORaZO_ZIE@yuki>
References: <20230628211637.1679348-1-longman@redhat.com>
 <202307171539.3d8d0e8-oliver.sang@intel.com>
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Hi!
> Running tests.......
> <<<test_start>>>
> tag=sched_setaffinity01 stime=1689382567
> cmdline="sched_setaffinity01"
> contacts=""
> analysis=exit
> <<<test_output>>>
> tst_test.c:1558: TINFO: Timeout per run is 0h 02m 30s
> sched_setaffinity01.c:83: TPASS: sched_setaffinity() failed: EFAULT (14)
> sched_setaffinity01.c:73: TFAIL: sched_setaffinity() succeded unexpectedly
> tst_test.c:1612: TINFO: If you are running on slow machine, try exporting LTP_TIMEOUT_MUL > 1
> tst_test.c:1614: TBROK: Test killed! (timeout?)

So what the test does is that it sets empty affinity mask to
sched_setaffinity() and expects EINVAL. Instead it looks like the call
now succeeeds, the test stops getting schedulled and is killed by
timeout.

-- 
Cyril Hrubis
chrubis@suse.cz