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Received: from 77-249-17-252.cable.dynamic.v4.ziggo.nl ([77.249.17.252] helo=noisy.programming.kicks-ass.net) by casper.infradead.org with esmtpsa (Exim 4.99.1 #2 (Red Hat Linux)) id 1wKX07-00000000tNG-1A1L; Wed, 06 May 2026 07:48:59 +0000 Received: by noisy.programming.kicks-ass.net (Postfix, from userid 1000) id A0376303032; Wed, 06 May 2026 09:48:58 +0200 (CEST) Date: Wed, 6 May 2026 09:48:58 +0200 From: Peter Zijlstra To: Oliver Sang Cc: oe-lkp@lists.linux.dev, lkp@intel.com, linux-kernel@vger.kernel.org, K Prateek Nayak , Shubhang Kaushik , aubrey.li@linux.intel.com, yu.c.chen@intel.com Subject: Re: [linus:master] [sched/fair] 4823725d9d: INFO:task_blocked_for_more_than#seconds Message-ID: <20260506074858.GB3126523@noisy.programming.kicks-ass.net> References: <202605052050.8156b7e0-lkp@intel.com> <20260505152918.GY3126523@noisy.programming.kicks-ass.net> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Wed, May 06, 2026 at 03:06:13PM +0800, Oliver Sang wrote: > we tested upon below commit: > 0c0cf14be4909 (tip/sched/urgent) sched/fair: Fix wakeup_preempt_fair() for not waking up task > > found most issues are still existing Moo :-( > ========================================================================================= > compiler/kconfig/rootfs/sleep/tbox_group/testcase: > gcc-14/i386-randconfig-2006-20250804/yocto-i386-minimal-20190520.cgz/1/vm-snb/boot > > 9fe89f022c05d99c 4823725d9d1d9cc5b36647e0cb8 0c0cf14be490975a7431e9d49fc > ---------------- --------------------------- --------------------------- > fail:runs %reproduction fail:runs %reproduction fail:runs > | | | | | > :499 13% 64:499 5% 23:1001 last_state.booting > :499 6% 29:499 3% 13:1001 dmesg.BUG:kernel_hang_in_boot_stage > :499 7% 33:499 2% 10:1001 dmesg.BUG:workqueue_lockup-pool > :499 0% 1:499 0% 1:1001 dmesg.EIP:_raw_spin_unlock_irqrestore > :499 1% 3:499 0% 1:1001 dmesg.EIP:finish_task_switch > :499 0% 1:499 0% :1001 dmesg.EIP:handle_softirqs > :499 0% 2:499 0% 1:1001 dmesg.EIP:lock_acquire > :499 0% 1:499 0% 2:1001 dmesg.EIP:lock_release > :499 0% 1:499 0% :1001 dmesg.EIP:on_each_cpu_cond_mask > :499 0% 1:499 0% :1001 dmesg.EIP:rcu_preempt_deferred_qs_irqrestore > :499 1% 3:499 0% 1:1001 dmesg.INFO:rcu_preempt_detected_stalls_on_CPUs/tasks > :499 3% 14:499 2% 10:1001 dmesg.INFO:task_blocked_for_more_than#seconds > > the config used for 0c0cf14be4909 is attached as config-7.1.0-rc1+ > one dmesg from 0c0cf14be4909 for dmesg.INFO:task_blocked_for_more_than#seconds > is attached as dmesg-0c0cf14be4.decoded.xz Do you have a URL for that yocto image? git grep yocto on the lkp repo didn't immediately find me one, and I don't appear to have it in my .lkp/cache either.