From: "Aaron Lu" <ziqianlu@bytedance.com>
To: "Peter Zijlstra" <peterz@infradead.org>
Cc: <mingo@kernel.org>, <linux-kernel@vger.kernel.org>,
<juri.lelli@redhat.com>, <vincent.guittot@linaro.org>,
<dietmar.eggemann@arm.com>, <rostedt@goodmis.org>,
<bsegall@google.com>, <mgorman@suse.de>, <vschneid@redhat.com>,
<kprateek.nayak@amd.com>, <tj@kernel.org>, <williams@redhat.com>,
<jkacur@redhat.com>
Subject: Re: [PATCH 0/2] sched: Remove sched_class::balance()
Date: Fri, 21 Aug 2026 10:44:08 +0800 [thread overview]
Message-ID: <20260821024335.GA3046103@bytedance.com> (raw)
In-Reply-To: <20260820154052.GB4120091@noisy.programming.kicks-ass.net>
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On Thu, Aug 20, 2026 at 05:40:52PM +0200, Peter Zijlstra wrote:
> On Thu, Jul 02, 2026 at 07:49:19PM +0800, Aaron Lu wrote:
>
> > The test caused a panic with below msg:
>
> What test do you run? I think all I have is the prctl selftest thing.
Self-created test for bandwidth testing purpose.
The test machine is gone but I backed the test scripts and I think that
is what I run :-)
I've attached the test scripts for your reference, ./test.sh should
trigger the problem. The test.sh would set quotas but the problem can be
triggered no matter quota is set or not.
nop is just a user space cpu hog like: while (1) { cpu_relax(); }
[-- Attachment #2: coresched.tar.gz --]
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prev parent reply other threads:[~2026-08-21 2:46 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-24 12:13 [PATCH 0/2] sched: Remove sched_class::balance() Peter Zijlstra
2026-06-24 12:13 ` [PATCH 1/2] sched/core: Allow newidle for core-sched Peter Zijlstra
2026-06-24 23:56 ` K Prateek Nayak
2026-06-25 12:41 ` Peter Zijlstra
2026-06-25 12:42 ` Peter Zijlstra
2026-06-24 12:13 ` [PATCH 2/2] sched: Remove sched_class::balance() Peter Zijlstra
2026-07-02 11:49 ` [PATCH 0/2] " Aaron Lu
2026-07-03 3:31 ` K Prateek Nayak
2026-08-19 9:39 ` Peter Zijlstra
2026-08-19 7:58 ` Peter Zijlstra
2026-08-19 14:36 ` Peter Zijlstra
2026-08-19 19:22 ` Tejun Heo
2026-08-20 7:18 ` Peter Zijlstra
2026-08-20 7:42 ` Tejun Heo
2026-08-20 7:58 ` Peter Zijlstra
2026-08-20 15:40 ` Peter Zijlstra
2026-08-20 17:15 ` K Prateek Nayak
2026-08-21 7:10 ` Peter Zijlstra
2026-08-21 2:44 ` Aaron Lu [this message]
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