linux-kernel - Re: [PATCH 0/9] sched: Prepare for sched

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Message-ID: <20240822154807.GA17097@noisy.programming.kicks-ass.net>
Date: Thu, 22 Aug 2024 17:48:07 +0200
From: Peter Zijlstra <peterz@...radead.org>
To: Joel Fernandes <joelaf@...gle.com>
Cc: mingo@...nel.org, tj@...nel.org, void@...ifault.com,
	juri.lelli@...hat.com, vincent.guittot@...aro.org,
	dietmar.eggemann@....com, rostedt@...dmis.org, bsegall@...gle.com,
	mgorman@...e.de, vschneid@...hat.com, linux-kernel@...r.kernel.org,
	"Joel Fernandes (Google)" <joel@...lfernandes.org>
Subject: Re: [PATCH 0/9] sched: Prepare for sched_ext

On Wed, Aug 21, 2024 at 05:41:32PM -0400, Joel Fernandes wrote:

> With sched/core , it boots fine with core scheduling disabled, but
> when core scheduling is enabled I am getting hard hangs and
> occasionally get to the login screen if I'm lucky. So there's
> definitely something wonky in sched/core branch and core sched.
> I could not get a trace or logs yet, since once it hangs I have to
> hard power off.

Uff, thanks for this (and the follow up), I'll try and figure out where
core-sched went sideways.