linux-kernel - Re: [BUG v6.3-rc4+] WARNING: CPU: 0 PID: 1 at drivers/thermal/thermal_sysfs.c:879 cooling_device_stats

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Message-ID: <20230329165944.39ba9342@gandalf.local.home>
Date:   Wed, 29 Mar 2023 16:59:44 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     LKML <linux-kernel@...r.kernel.org>
Cc:     Linus Torvalds <torvalds@...ux-foundation.org>,
        "Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
        Zhang Rui <rui.zhang@...el.com>
Subject: Re: [BUG v6.3-rc4+] WARNING: CPU: 0 PID: 1 at
 drivers/thermal/thermal_sysfs.c:879 cooling_device_stats_setup+0xac/0xc0

On Wed, 29 Mar 2023 16:58:19 -0400
Steven Rostedt <rostedt@...dmis.org> wrote:

> In preparation to adding my patch that checks for some kinds of bugs in
> trace events, I decided to run it on the Linus's latest branch, to see if
> there's any other trace events that may cause issues. But instead I hit
> this unrelated bug. Looks to be triggering an added lockdep_assert() on
> boot up.

The bug happened on this commit, from Linus's tree:

  fcd476ea6a888ef6e6627f4c21a2ea8cca3e9312

In case it was fixed after that.

-- Steve