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 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 28417C433EF for ; Mon, 27 Sep 2021 13:47:35 +0000 (UTC) Received: by mail.kernel.org (Postfix) id 0AA7B6108E; Mon, 27 Sep 2021 13:47:35 +0000 (UTC) Received: by mail.kernel.org (Postfix) with ESMTPSA id E819761058; Mon, 27 Sep 2021 13:47:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1632750454; bh=96rkfonfUwt+3X6QdTuB5/50v7XFPk8xwtoO5vUen6Q=; h=References:In-Reply-To:From:Date:Subject:To:List-Id:Cc:From; b=XSAl/a/aChBcR2VY5uLuPw69JJVKbYHJ9EiOgoWvqQNIhrCHie9B1brVubc3QobJO B0InG7RijkYV89LBFHPdhDHMQQ8VN1xMnqwVPD2ZB94aTUJTmZuBPWKmBcfM8Ld+MG wr9C6cj7OHokvlB3xDKG+ghI/cJOLDJCgEi4PnMZmoDwHY2dLQJoz5sdpdrGlu7uHP wSMb4C/FUA417miDwaUMb+E5wDnVEPZ7EsVABWkmXM3VmSqOJi0gEQW+g6MZAxxXN9 dgKcS4jk9mAbi5mCN5z1r0CzhgwVYplzfu53Y4jVL3tGAovMi3pYNkdFiJrmC54K6h 2iytZr4OnoK9Q== Received: by mail-il1-f174.google.com with SMTP id b6so19368033ilv.0; Mon, 27 Sep 2021 06:47:34 -0700 (PDT) X-Gm-Message-State: AOAM533uvdQg7ya9IHTfYsqj6tpSppTxiebUqjOV1zupQHcTQ2dFRMub XTMFXrAVYrlZNz2DGWuKp4aR0tz6t7muhGG05Og= X-Google-Smtp-Source: ABdhPJxGqfnHMU5btyFD4Q8FSduGkKADhOLKhKZxQOG0oaq/QRdK8Fp5vWYKocmDoEA8jUbBXXpTUBCAkriPayf9PLE= X-Received: by 2002:a92:d14e:: with SMTP id t14mr94837ilg.218.1632750454237; Mon, 27 Sep 2021 06:47:34 -0700 (PDT) MIME-Version: 1.0 References: <20210926104306.xocctztsuspx6oji@pali> In-Reply-To: <20210926104306.xocctztsuspx6oji@pali> From: Josh Boyer Date: Mon, 27 Sep 2021 09:47:23 -0400 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: mwifiex 1.0 (16.68.10.p159) - PCIEUSB-8997 firmware is buggy To: =?UTF-8?Q?Pali_Roh=C3=A1r?= List-Id: Cc: Sharvari Harisangam , Linux Firmware , Linux Wireless , =?UTF-8?Q?G=C3=A9rald_Kerma?= , Rakesh Parmar , Cathy Luo , Zhiyuan Yang , prashanthkrishnan.ranganathan@nxp.com, Ganapathi Bhat , zheng.cao@nxp.com Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Sun, Sep 26, 2021 at 6:43 AM Pali Roh=C3=A1r wrote: > > Hello Josh, Sharvari and other from NXP! > > On Saturday 25 September 2021 19:23:48 G=C3=A9rald Kerma wrote: > > Correcting old marvell address to new nxp... > > > > Le 25/09/2021 =C3=A0 19:19, G=C3=A9rald Kerma a =C3=A9crit : > > > H=C3=A9llo All, > > > > > > I made some few tests on EspressoBin-Ultra from GlobalScaleTechnologi= es, > > > because of problem with the WiFi. > > > > > > I have done some quick tests on all the firmware of PCIEUSB-8997 usin= g > > > the pcieuart8997_combo_v4.bin on OpenWrt 21.02.x > > > > > > Here is a summary of the tests : > > > - W16.68.10.p159 =3D KO > > > - W16.68.1.p195 =3D KO > > > - V16.68.1.p145 =3D OK > > > - 16.68.1.p140 =3D OK > > > - 16.68.1.p133 =3D OK > > > - 16.68.1.p97 =3D OK > > > - 16.68.1.p70 =3D KO > > From this user test result can be seen that last two versions of > pcieusb8997_combo_v4.bin firmware file for 8997 wifi+bt card with > official mainline linux kernel driver mwifiex were not properly tested > internally in NXP and are causing serious issues which make 8997 card > basically unusable. > > Sharvari and other NXP developers: Do you have some internal testing of > this pcieusb8997_combo_v4.bin firmware for PCIe+USB variant of 8997 > wifi chips? Or are you aware of this issue and do you have in NXP some > workaround for it (e.g. at driver level)? Could you please look at this > serious issue and try to debug firmware and release a new version, as > this is obvious fatal error in firmware itself? > > Josh, how you in linux-firmware repository handle such, I must say, > "fatal issues"? Wait for vendor fixes or revert problematic commits? Or > something else? We can revert if we need to, but I think it's not quite that simple. > Because when users starts upgrading linux-firmware packages in their > downstream distributions then basically wifi cards on this 8997 chips > with official mwifiex driver stops working. The first broken version was committed in Feb of 2019. That's approaching 3 years ago. Given that this is binary firmware, I have no idea what else may or may not be included in the updates in the meantime. josh > > > REF (and all details of tests) : > > > https://github.com/NXP/mwifiex-firmware/issues/1 > > > > > > > > > Broken firmware : > > > > > > Version |W16.68.1.p195| of |pcieusb8997_combo_v4.bin| was included in= to > > > linux-firmware repository by this pull request: > > > https://lore.kernel.org/all/CA+5PVA5yQbjg3vaT7F8120B6ngLn7+sZC0OWt0Ko= UiQR9hS4FA@mail.gmail.com/ > > > > > > > > > And latest version |W16.68.10.p159| of |pcieusb8997_combo_v4.bin| by > > > this pull request: > > > https://lore.kernel.org/linux-firmware/CA+5PVA5on7+CRtEV7tThPxgucwt3W= 9i-tEXm4cgH-AmMB-Jrtg@mail.gmail.com/ > > > > > > > > > Olders looks to works better. > > > > > > In quick tests, they allow more than 1 clients at a time ! > > > > > > I am still testing the V16.68.1.p145 and report the results after som= e > > > longer use... > > > > > > Hopes it will help... > > > Regards, > > > G=C3=A9rald Kerma > > > gandalf(at)gk2(dot)net > >