linux-kernel - Re: Kernel crash on boot, arm64 VM

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Message-ID: <20250603-athletic-catfish-of-reading-65ef17@sudeepholla>
Date: Tue, 3 Jun 2025 10:25:54 +0100
From: Sudeep Holla <sudeep.holla@....com>
To: Qu Wenruo <wqu@...e.com>
Cc: Will Deacon <will@...nel.org>, linux-arm-kernel@...ts.infradead.org,
	Sudeep Holla <sudeep.holla@....com>,
	LKML <linux-kernel@...r.kernel.org>, devicetree@...r.kernel.org,
	rafael.j.wysocki@...el.com, jonathanh@...dia.com,
	ulf.hansson@...aro.org
Subject: Re: Kernel crash on boot, arm64 VM

On Tue, Jun 03, 2025 at 08:40:25AM +0930, Qu Wenruo wrote:
> 
> 在 2025/6/2 21:42, Sudeep Holla 写道:
> > On Mon, Jun 02, 2025 at 11:35:22AM +0100, Will Deacon wrote:
> > > [+Sudeep]
> > > 

[...]

> > > I've kept the crash log below, but I suspect this is due to the __free()
> > > cleanup path in dt_idle_state_present(), introduced recently by
> > > 5836ebeb4a2b ("cpuidle: psci: Avoid initializing faux device if no DT
> > > idle states are present").
> 
> Reverting works, thanks a lot!
> 
> > Do you also have this commit ?
> > 
> > 39cdf87a97fd ("cpuidle: psci: Fix uninitialized variable in dt_idle_state_present()")
> 
> Not yet, the branch I'm using is from btrfs' development branch, which is
> slightly older than the upstream.
> (The base commit is a56baa225308 ("Merge tag 'for-6.16-tag' of
> git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux"))
> 
> Just tried upstream, which also fixed the problem.
> 

Glad that helped. Thanks for the clarification.

-- 
Regards,
Sudeep