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Thu, 17 Sep 2020 06:10:38 -0700 (PDT) Received: from gallifrey.ext.pengutronix.de ([2001:67c:670:201:5054:ff:fe8d:eefb] helo=bjornoya.blackshift.org) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1kItgI-00049k-28; Thu, 17 Sep 2020 15:10:34 +0200 Received: from [IPv6:2a03:f580:87bc:d400:8d0c:cfd0:3f99:a545] (unknown [IPv6:2a03:f580:87bc:d400:8d0c:cfd0:3f99:a545]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-384) server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mkl@blackshift.org", Issuer "StartCom Class 1 Client CA" (not verified)) (Authenticated sender: mkl@blackshift.org) by smtp.blackshift.org (Postfix) with ESMTPSA id 7174D5629AD; Thu, 17 Sep 2020 13:10:32 +0000 (UTC) Subject: Re: canfdtest on flexcan loopback To: Vladimir Oltean , Vladimir Oltean Cc: "wg@grandegger.com" , Pankaj Bansal , "Pankaj Bansal (OSS)" , "linux-can@vger.kernel.org" , Joakim Zhang , "linux-kernel@vger.kernel.org" References: <20200916110154.hp4up6yhyokduvf2@skbuf> <20200916110448.dsla6vjzy4fvdr22@skbuf> <12688d2b-a198-ef5e-dd8f-64957df36574@pengutronix.de> <20200916114533.3hlthhfd7xmpamoa@skbuf> <77d5c83d-1fb2-0d8a-f1ed-bec4857796e7@pengutronix.de> <20200916121437.lfk5vd22qfe3pyjg@skbuf> <20200917125913.leisscxw2rrbuzyw@skbuf> From: Marc Kleine-Budde Autocrypt: addr=mkl@pengutronix.de; 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Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.11.0 MIME-Version: 1.0 In-Reply-To: <20200917125913.leisscxw2rrbuzyw@skbuf> Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="v2qIQb94LZkZMNyxZc3UJqXBzXZttUPyd" X-SA-Exim-Connect-IP: 2001:67c:670:201:5054:ff:fe8d:eefb X-SA-Exim-Mail-From: mkl@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-kernel@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --v2qIQb94LZkZMNyxZc3UJqXBzXZttUPyd Content-Type: multipart/mixed; boundary="9KcRjyAYAsXUSB92PjMhgYKC1Y9TmPuiw"; protected-headers="v1" From: Marc Kleine-Budde To: Vladimir Oltean , Vladimir Oltean Cc: "wg@grandegger.com" , Pankaj Bansal , "Pankaj Bansal (OSS)" , "linux-can@vger.kernel.org" , Joakim Zhang , "linux-kernel@vger.kernel.org" Message-ID: <26eccae7-e6bd-dbe4-abb6-4e71277a012a@pengutronix.de> Subject: Re: canfdtest on flexcan loopback References: <20200916110154.hp4up6yhyokduvf2@skbuf> <20200916110448.dsla6vjzy4fvdr22@skbuf> <12688d2b-a198-ef5e-dd8f-64957df36574@pengutronix.de> <20200916114533.3hlthhfd7xmpamoa@skbuf> <77d5c83d-1fb2-0d8a-f1ed-bec4857796e7@pengutronix.de> <20200916121437.lfk5vd22qfe3pyjg@skbuf> <20200917125913.leisscxw2rrbuzyw@skbuf> In-Reply-To: <20200917125913.leisscxw2rrbuzyw@skbuf> --9KcRjyAYAsXUSB92PjMhgYKC1Y9TmPuiw Content-Type: text/plain; charset=utf-8 Content-Language: de-DE Content-Transfer-Encoding: quoted-printable On 9/17/20 2:59 PM, Vladimir Oltean wrote: > On Wed, Sep 16, 2020 at 03:14:37PM +0300, Vladimir Oltean wrote: >> Nonetheless, you bring up a good point. I'll try to bring into net-nex= t >> the minimum amount of required delta (which seems to be the >> fsl_lx2160a_r1_devtype_data structure only), and I'll re-test. >=20 > So I'm back with some interesting results. >=20 > Test 1: > NXP LSDK 20.04 based on v5.4.3 - reordering reproduces instantly >=20 > Test 2: > net-next 5.9-rc3 with upstream defconfig and all downstream patches > imported from LSDK - hasn't reproduced in 20 hours of testing >=20 > Test 3: > net-next 5.9-rc3 with .config imported from LSDK - hasn't reproduced in= > 335 iterations >=20 > Test 4: > linux stable linux-5.4.y - hasn't reproduced in 137 iterations >=20 > Test 5: > torvalds v5.4.3 - reproduces instantly Is there a bug in v5.4.3? v5.4.66 is current latest v5.4.x Marc --=20 Pengutronix e.K. | Marc Kleine-Budde | Embedded Linux | https://www.pengutronix.de | Vertretung West/Dortmund | Phone: +49-231-2826-924 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | --9KcRjyAYAsXUSB92PjMhgYKC1Y9TmPuiw-- --v2qIQb94LZkZMNyxZc3UJqXBzXZttUPyd Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAEBCgAdFiEEK3kIWJt9yTYMP3ehqclaivrt76kFAl9jYEQACgkQqclaivrt 76k19Qf9HwR9pqFRQ29WWeM7nOd0jJpRBjfNVibVGKvARmu3lY/QAbdg60Hbkv5v erdnXVcQMzc0w4AD99/LtoW5HCMIa+GBD5MM5kjc9gHV3eUJk3mq11xVzfTHfyHQ YSW+SEUBJGuyIqt36PmhJS4dxkDK/RlKZeQW88t4vh5eH+FiJvhCP4QwtZhF2ynm 2z+PZbE3QP7okVXIjnRdLqxqCGd3wvjAqMR6zxZ4+6ns7CDaj+ZyEJtL1IIfiOtc N5dSpy0RseZ3KTJXIjBwcWla55q8ZNdjIWE5Cah2xeUXlbH6019jgbrUGyCyN9VE cgwo8i698UI/yHFh8xCluIZk6osmfA== =YARB -----END PGP SIGNATURE----- --v2qIQb94LZkZMNyxZc3UJqXBzXZttUPyd--