From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1D678C433DB for ; Wed, 6 Jan 2021 17:39:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D30A020657 for ; Wed, 6 Jan 2021 17:39:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727021AbhAFRjJ (ORCPT ); Wed, 6 Jan 2021 12:39:09 -0500 Received: from mail.kernel.org ([198.145.29.99]:53688 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725800AbhAFRjJ (ORCPT ); Wed, 6 Jan 2021 12:39:09 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 2186C20657; Wed, 6 Jan 2021 17:38:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1609954708; bh=gPZe3RwvYiI/TNiE18vbiIhIebJXS18w8JLeo0/9YTM=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=ejWNEiQZcdqta2bMRMawWXqqa7eECYbFPwC1f5nuimxbpCqcSPdUiqPKX1NWOH+XA D9FyYwkwbpR2Il7JaaEfnadzHIznKjIBhyOVxHBb37fHFtlEJ/e8/M31XpbTYrTpIe ePUBa9utTkKe00EaqmUCBzi2eQf75LLrf9nclAt5q7FhtDjSkdxGVWiBTEkCFN2VT8 FwB+kwLJr535sZJxznqqKOVBRra8UTlaT1WvA5Q6Mjgq49jR5sENkWUnkaI3OBfZ2I p41DfWiftntQq5TqlCMVvQyPzOz15OyXcYIXnMwY5GF6VI6S1DFLoeonUSJFAZyfmA AC6SRJkegMANQ== Date: Wed, 6 Jan 2021 17:37:59 +0000 From: Mark Brown To: Vincent Pelletier Cc: linux-spi@vger.kernel.org Subject: Re: 5.11.0-rc1+: "Division by zero in kernel." when writing to spidev Message-ID: <20210106173759.GF4752@sirena.org.uk> References: <20210106130049.GC4752@sirena.org.uk> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="HCdXmnRlPgeNBad2" Content-Disposition: inline In-Reply-To: X-Cookie: Happy feast of the pig! User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org --HCdXmnRlPgeNBad2 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Thu, Jan 07, 2021 at 12:06:19AM +0900, Vincent Pelletier wrote: > FWIW, I am now getting a "normal" error message now: > [ +1.046688] spidev spi0.0: SPI transfer timed out > [ +0.005210] spi_master spi0: failed to transfer one message from queue > [ +0.922799] spidev spi0.0: SPI transfer timed out > [ +0.012172] spi_master spi0: failed to transfer one message from queue > but it is getting late here and I have not investigated why (my overlay > needs tweaking for 5.11 maybe ?). I wouldn't have thought that would be something in your DT, unless it was previously buggy and some issue has been exposed, but then nothing springs to mind as being potentially relevant either. --HCdXmnRlPgeNBad2 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAl/19XcACgkQJNaLcl1U h9Aqgwf/WUdyDN01gKCq4EAYpXhry3X/9BeQt5u8SinBwo3PJgQvaTaoQpbeGIbO IU0NPlRSBbr8mdraXGo0+6Bg1cmONa2lCptlBJN6DAzy9L8mIuVRzvGCuWI9V+fP 0J9DHtO1IwqcYBrkOpDDMd5kSb1NPBoxGk/XPTtgZYiYPdgMlU1jYv5b984xnYOa 5dliE5h94Ys572vPbN45ONXzfC7+1BArqK7uRjXYtgBFf/nVwG4fimoFxlCdXlND 7I8dZy3xMnfTMe2uLiBrM5Teqq5FrTwzwWNtUy8560ANmU1ITsZPlXscJP1BL4jO LWabHc/pgc9IMAU7sLyRBViM9U8iBg== =wPhh -----END PGP SIGNATURE----- --HCdXmnRlPgeNBad2--