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AJvYcCUHvvMbpRKyxNx/f6xTG2LZ/R3iHbnWa/ktWH2x079s/GInS0WXkeG0b9/fQXQf8tqglEp8OO8Z41c=@lists.linux.dev X-Gm-Message-State: AOJu0YxNAWf/7yl4hHBhwtD1HKDiRxj26JkDtKBWZ7+MxxdAMxSE0yeA PnVyBwMQUofu3wIHKH3cHy8xrq/3s1J8JqW8yZTQrKiPA4B/GePotvxVFY/wgeX69IvDiKv3xPE TNS3fPg== X-Received: from plbkb13.prod.google.com ([2002:a17:903:338d:b0:2a9:628c:cd39]) (user=seanjc job=prod-delivery.src-stubby-dispatcher) by 2002:a17:903:2281:b0:2aa:d075:5db7 with SMTP id d9443c01a7336-2ad17495727mr7594275ad.25.1771020375587; Fri, 13 Feb 2026 14:06:15 -0800 (PST) Date: Fri, 13 Feb 2026 14:06:13 -0800 In-Reply-To: <20260213104006.GK3016024@noisy.programming.kicks-ass.net> Precedence: bulk X-Mailing-List: sched-ext@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <202602122157.4e861298-lkp@intel.com> <20260213104006.GK3016024@noisy.programming.kicks-ass.net> Message-ID: Subject: Re: [linus:master] [sched/core] 704069649b: kernel-selftests.kvm.hardware_disable_test.fail From: Sean Christopherson To: Peter Zijlstra Cc: kernel test robot , oe-lkp@lists.linux.dev, lkp@intel.com, linux-kernel@vger.kernel.org, Ingo Molnar , sched-ext@lists.linux.dev, aubrey.li@linux.intel.com, yu.c.chen@intel.com Content-Type: text/plain; charset="us-ascii" On Fri, Feb 13, 2026, Peter Zijlstra wrote: > On Thu, Feb 12, 2026 at 10:08:04PM +0800, kernel test robot wrote: > > we found the kernel-selftests.kvm.hardware_disable_test failed consistently upon > > this commit but pass on parent. unfortunately, we didn't find many useful > > information in dmesg. this report is just FYI what we observed in our tests. > > > > kernel test robot noticed "kernel-selftests.kvm.hardware_disable_test.fail" on: > > > > commit: 704069649b5bfb7bf1fe32c0281fe9036806a59a ("sched/core: Rework sched_class::wakeup_preempt() and rq_modified_*()") > > https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master > > So this commit has been in tip (and thus -next) since 17 Dev '25. How > come this is only reported now? Well, on my end, I still don't do a good job of testing linux-next. But AFAICT, it wouldn't have mattered in this case, because I probably wouldn't have noticed given the nature of the failure and how I run KVM selftests.