From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 10D8D1D88D7; Thu, 18 Dec 2025 16:54:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1766076887; cv=none; b=evnGyegE6+AoTQkEsk3B6gL2CxF4nM5DWjhm0JlJ93VdMO0aBu3N/EpwNCWUxIuZ/1H0OyPf/W/kZUBuh9HE79nBW40fj0SiSKJ0s7MwUGSUaSdeNhyAni76Qkwht4ywDgyxpQEt+bx2QyUAJb3V746PZDvVeiekGzG1uoZ+Ye0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1766076887; c=relaxed/simple; bh=NVKX0lTas24U04aOsFlM9XDeaDNP7g8C+337je/pR2Q=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=H1lXnmylckuByAra7pFDoPQDoSV8L9lJEO4JhoshxQsQRzZ9vMpsU187gulOdL0xRdOtNnPm4O2SrHgAPqR6yEyyI+tDs3p0r7fjl2CK3piW0rEhWJLWVsGywpc10xHDsfdWbWgLW7HTBOc606wMfQxPjtWSzHbV8ZdskLocmEY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=dICQwGhj; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="dICQwGhj" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 95EE9C4CEFB; Thu, 18 Dec 2025 16:54:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1766076886; bh=NVKX0lTas24U04aOsFlM9XDeaDNP7g8C+337je/pR2Q=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=dICQwGhj44AIG8WH09cIhplIzdn7oMy0PSNy9SXIUQmORmdOQtk5xAHy6U6GmINjy wdczqamWLVkgOynNGAfEY3+e6fZ0rX4YQ5R8hlLGdw+a5Wr8K4csidlEa9M+yQr5iC anhl/pLguZQKj7MuCW6I7Gq5H2dQ1bzXvoFXxU0mvYSFQXODI2gGbJZqBHBWn45gWw ARaTw2BWdLqA0F9EJt6pItJm2wlbBSYDCzeIcR11EeCkROsdAo6dpODRc7b6VmbB6B gQ6LTC2UqD3+P9nxljCWDum8P89LT4g3ZbPU7eqyQOqHM6yktV9dmunqE6hQX9LONf +3J/Banfj0prQ== Date: Thu, 18 Dec 2025 16:54:42 +0000 From: Mark Brown To: Marek Szyprowski Cc: Andy Shevchenko , linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org, Greg Kroah-Hartman , Jiri Slaby Subject: Re: [PATCH v1 1/1] serial: core: Restore sysfs fwnode information Message-ID: <713aa37f-161d-4f08-9417-d7d2abdcdfd9@sirena.org.uk> References: <20251127163650.2942075-1-andriy.shevchenko@linux.intel.com> <265b9083-d744-4438-b539-9e001f2138ba@samsung.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="8ICi0Cl+oxFShKFk" Content-Disposition: inline In-Reply-To: <265b9083-d744-4438-b539-9e001f2138ba@samsung.com> X-Cookie: teamwork, n.: --8ICi0Cl+oxFShKFk Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Dec 18, 2025 at 04:29:55PM +0100, Marek Szyprowski wrote: > On 27.11.2025 17:36, Andy Shevchenko wrote: > > The change that restores sysfs fwnode information does it only for OF c= ases. > > Update the fix to cover all possible types of fwnodes. > This patch landed in today's linux-next as commit 24ec03cc5512 ("serial:= =20 > core: Restore sysfs fwnode information"). In my tests I found that it=20 > breaks booting of most of my test boards (ARM 32 and 64 bit).=20 > Unfortunately I cannot provide anything useful besides the information=20 > that booting stops and system doesn't reach shell. There is nothing=20 > suspicious in the kernel logs. I suspect a memory trashing. Reverting=20 > $subject on top of linux-next fixes booting. I'm also seeing this in my lab and Arm's lab, there are a few systems that survive but it's a small minority. --8ICi0Cl+oxFShKFk Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAmlEMdIACgkQJNaLcl1U h9Coggf9Eg9zpssvPxlJCKwyI0muVzdb9d40zGht8xRumXDGPk6jHgGRAmGe8Vrq QHaP5h9W55z0uGEMr31jovkYJjfS93N7UG8x6/fhgEEmDYuzACzSNPK8R9GLoFe0 5fE9v2taAFjBFBLg/m5gibnDsZeaQgG2HD169ovELQepwqqWg1cP5UWJP0DVd0wx zBo2QHUD/gdQWcowRYLwmgUxLHpW2XoVdtSJjxzdk5R17uqDfT27EoNLUK1R3RaO jyTY4jAAXiswV6iUqTfeJB4W1ToLQVDvWTUxLivwzapAyQTV4Lovknfk7zz8Xi2B ntfSQzbnwztNbP0E96YDGlxkBcVV5w== =dqjG -----END PGP SIGNATURE----- --8ICi0Cl+oxFShKFk--