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From: Francesco Dolcini <francesco@dolcini.it>
To: Paul Menzel <pmenzel@molgen.mpg.de>
Cc: Francesco Dolcini <francesco@dolcini.it>,
	Vignesh Raghavendra <vigneshr@ti.com>,
	Amitkumar Karwar <amitkumar.karwar@nxp.com>,
	Neeraj Kale <neeraj.sanjaykale@nxp.com>,
	Nishanth Menon <nm@ti.com>, Tero Kristo <kristo@kernel.org>,
	Santosh Shilimkar <ssantosh@kernel.org>,
	linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org, linux-pm@vger.kernel.org,
	linux-serial@vger.kernel.org
Subject: Re: Kernel WARNING (RCU) with btnxpuart on TI AM62 platform
Date: Thu, 10 Apr 2025 11:53:20 +0200	[thread overview]
Message-ID: <Z_eVEKQn04-2nhpL@gaggiata.pivistrello.it> (raw)
In-Reply-To: <4107dda8-25fe-4f30-a0e6-906441f9b4c9@molgen.mpg.de>

On Thu, Apr 10, 2025 at 08:34:23AM +0200, Paul Menzel wrote:
> Am 10.04.25 um 08:20 schrieb Francesco Dolcini:
> 
> > On Tue, Apr 08, 2025 at 09:15:26PM +0530, Vignesh Raghavendra wrote:
> > > On 08/04/25 14:05, Francesco Dolcini wrote:
> > > > I do have the following kernel warning with 6.15-rc1, on a TI AM62
> > > > platform (arm64), single CPU core, using btnxpuart driver, any idea?
> > > > PREEMPT_RT is enabled, if it matters.
> > > > 
> > > > Either the issue is not systematic, or multi cores SoCs are not affected
> > > > (no error on the exact same image on a dual nor on quad core TI AM62).

...

> CVE-2024-26959 [1] has the same trace, and supposedly was fixed by Marcel’s
> commit 664130c0b030 (Bluetooth: btnxpuart: Fix btnxpuart_close) present
> since v6.9-rc1, that is also signed off by you.

It seems that the conclusion at that time was just wrong, the real issue seems
what Vignesh suggested.

Francesco


  parent reply	other threads:[~2025-04-10  9:53 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-04-08  8:35 Kernel WARNING (RCU) with btnxpuart on TI AM62 platform Francesco Dolcini
2025-04-08  9:26 ` Paul Menzel
2025-04-08  9:35   ` Francesco Dolcini
2025-04-08 15:45 ` Vignesh Raghavendra
2025-04-10  6:20   ` Francesco Dolcini
2025-04-10  6:34     ` Paul Menzel
2025-04-10  6:48       ` Paul Menzel
2025-04-10  6:51       ` Paul Menzel
2025-04-10  9:53       ` Francesco Dolcini [this message]
2025-05-12 14:47     ` Paul Menzel
2025-05-23  8:07       ` Francesco Dolcini

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