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From: Chris Bainbridge <chris.bainbridge@gmail.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: linux-kernel@vger.kernel.org, bsegall@google.com,
	dietmar.eggemann@arm.com, efault@gmx.de, juri.lelli@redhat.com,
	kprateek.nayak@amd.com, mgorman@suse.de, mingo@redhat.com,
	rostedt@goodmis.org, tglx@linutronix.de,
	vincent.guittot@linaro.org, vschneid@redhat.com,
	wuyun.abel@bytedance.com, youssefesmat@chromium.org,
	spasswolf@web.de, regressions@lists.linux.dev
Subject: [REGRESSION] Re: [PATCH 17/24] sched/fair: Implement delayed dequeue
Date: Sun, 22 Sep 2024 16:45:35 +0100	[thread overview]
Message-ID: <ZvA7n9GNoD-ipjkj@debian.local> (raw)
In-Reply-To: <20240830123458.3557-1-spasswolf@web.de>

On Fri, Aug 30, 2024 at 02:34:56PM +0200, Bert Karwatzki wrote:
> Since linux next-20240820 the following messages appears when booting:
> 
> [    T1] smp: Bringing up secondary CPUs ...
> [    T1] smpboot: x86: Booting SMP configuration:
> [    T1] .... node  #0, CPUs:        #2  #4  #6  #8 #10 #12 #14  #1
> This is the line I'm concerend about:
> [    T1] psi: inconsistent task state! task=61:cpuhp/3 cpu=0 psi_flags=4 clear=0 set=4
> [    T1]   #3  #5  #7  #9 #11 #13 #15
> [    T1] Spectre V2 : Update user space SMT mitigation: STIBP always-on
> [    T1] smp: Brought up 1 node, 16 CPUs
> [    T1] smpboot: Total of 16 processors activated (102216.16 BogoMIPS)
> 
> I bisected this to commit 152e11f6df29 ("sched/fair: Implement delayed dequeue").
> Is this normal or is this something I should worry about?
> 
> Bert Karwatzki

I am also getting a similar error on boot, and bisected it to the same commit:

[    0.342931] psi: inconsistent task state! task=15:rcu_tasks_trace cpu=0 psi_flags=4 clear=0 set=4

#regzbot introduced: 152e11f6df293e816a6a37c69757033cdc72667d

  reply	other threads:[~2024-09-22 15:45 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-08-30 12:34 Bert Karwatzki
2024-09-22 15:45 ` Chris Bainbridge [this message]
2024-09-22 16:01   ` [REGRESSION] " Linux regression tracking (Thorsten Leemhuis)
2024-10-03  5:31   ` Klaus Kudielka
2024-10-04 11:10     ` K Prateek Nayak
2024-10-04 12:35       ` Peter Zijlstra
2024-10-04 13:57         ` Johannes Weiner
2024-10-04 16:43           ` K Prateek Nayak
2024-10-08 15:38             ` K Prateek Nayak
2024-10-08 16:24               ` K Prateek Nayak
2024-10-09 18:07                 ` Johannes Weiner
2024-10-10  3:26                   ` K Prateek Nayak
2024-10-04 17:01         ` K Prateek Nayak

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