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=-0.5 required=3.0 tests=BAYES_00,DKIM_ADSP_CUSTOM_MED, DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED 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 E9DF7C63697 for ; Thu, 19 Nov 2020 01:16:26 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 7712C22260 for ; Thu, 19 Nov 2020 01:16:26 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="DVHwKJ5d" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7712C22260 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B48EF899F3; Thu, 19 Nov 2020 01:16:25 +0000 (UTC) Received: from mail-ed1-x544.google.com (mail-ed1-x544.google.com [IPv6:2a00:1450:4864:20::544]) by gabe.freedesktop.org (Postfix) with ESMTPS id F270E899F3 for ; Thu, 19 Nov 2020 01:16:24 +0000 (UTC) Received: by mail-ed1-x544.google.com with SMTP id m16so4080332edr.3 for ; Wed, 18 Nov 2020 17:16:24 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=9f9f6o6lpgdv8ZMI6nf3AW/mVAB1Cq7QnLtCyTveD0k=; b=DVHwKJ5dYMuqFTTiWpZnRhiM10utp3nM2Lt1dzI8KbeeqlKB9j1IW+Bc4XKs/VvYKQ rIhQwkFEpZ5mLtlhIcEFVTaDhGRk9iTS8QMzWlSNw0Up6PpZ3SO1t8V+8RUZIEoVBc85 RVXc5zgBxFERHD8MsS62vurs+1b7228TqlHrPX5QD1rRGP1mlTleHtbrKvvmWv4qoNIV 2hMrdPWdMWoV1/NhjhXeeAkXwgQFRXHa7sTibnC0dBK5OS+w3pB4bTKrNrudn76gT9sh +acC0ExKYJID9n+LGez1PIUbbMWWWgGB3nbzbW4l9UUmKo/k86t1mMAd862Tbm8/xZn9 eXLA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=9f9f6o6lpgdv8ZMI6nf3AW/mVAB1Cq7QnLtCyTveD0k=; b=O6pMIx/6zfETrafUcEm9b7laok94PzspqyMuffoZdZu24u8aV5iLI6SMDhhuhFhC2N xl6JFt/jRemhhUufbA4UN7H+EA9wHdIQWbeK8Mb/+P/Rh7UQ+nsf6pYDeikDnS0MOMLI vxtm6C4U6D9T58NPmthjiGLXuurlq8VFr6STYmA4+CFOvybZFFQo0f8kX+YqHcRmJPwu CuLZaJtDhtvpXIuHRY8dGFN5NYbtJRNBw2qJD+MU9FYakox1G6Jo8uMf28xmm0/D0rzc HpwRqqazDyyGNCyh2H72/6pjWxsPpP7emRaAYETxsseFYQpsTsaNbPRPZWt40sxhFYlP Jagw== X-Gm-Message-State: AOAM530iC6utzFE87G9BRn7TajC5uSk3IqpAUBsb6ggugTGNnmET6GM6 bR66rY9T1QshdfjonowZQ5UGmm/5vrvM3IPFtRo= X-Google-Smtp-Source: ABdhPJyrcQqV38Ou7gU9H78B8J530YlnqoX4AeM+JLoKskuu7TPFJ1CpWaZ63Aa50L0EYPKnAshnpWN6GU/K1VLsrTk= X-Received: by 2002:a05:6402:150d:: with SMTP id f13mr27755566edw.119.1605748583525; Wed, 18 Nov 2020 17:16:23 -0800 (PST) MIME-Version: 1.0 References: <692820a49ded436591b5fe3a18c68a5e@AcuMS.aculab.com> <0a10da3d-085f-c7a7-0053-dc1e9ea871ed@suse.de> In-Reply-To: From: Dave Airlie Date: Thu, 19 Nov 2020 11:16:12 +1000 Message-ID: Subject: Re: Linux 5.10-rc4 To: Daniel Vetter X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "Huang, Ray" , Linux Kernel Mailing List , dri-devel , David Laight , Thomas Zimmermann , Dave Airlie , Linus Torvalds , =?UTF-8?Q?Christian_K=C3=B6nig?= Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" On Thu, 19 Nov 2020 at 08:25, Dave Airlie wrote: > > On Thu, 19 Nov 2020 at 08:15, Daniel Vetter wrote: > > > > On Wed, Nov 18, 2020 at 11:01 PM David Laight wrote: > > > > > > From: Thomas Zimmermann > > > > Sent: 18 November 2020 19:37 > > > > > > > > Hi > > > > > > > > Am 18.11.20 um 19:10 schrieb Linus Torvalds: > > > > > On Wed, Nov 18, 2020 at 4:12 AM David Laight wrote: > > > > >> > > > > >> I've got the 'splat' below during boot. > > > > >> This is an 8-core C2758 Atom cpu using the on-board/cpu graphics. > > > > >> User space is Ubuntu 20.04. > > > > >> > > > > >> Additionally the X display has all the colours and alignment slightly > > > > >> messed up. > > > > >> 5.9.0 was ok. > > > > >> I'm just guessing the two issues are related. > > > > > > > > > > Sounds likely. But it would be lovely if you could bisect when > > > > > exactly the problem(s) started to both verify that, and just to > > > > > pinpoint the exact change.. > > > > > > I don't quite understand what 'git bisect' did. > > > I was bisecting between v5.9 and v5.10-rc1 but it suddenly started > > > generating v5.9.0-rc5+ kernels. > > > > We queue up patches for -rc1 way before the previous kernel is > > released, so this is normal. > > > > > The identified commit was 13a8f46d803 drm/ttm: move ghost object created. > > > (retyped - hope it is right). > > > But the diff to that last 'good' commit is massive. > > > > Yeah that's also normal for non-linear history. If you want to > > double-check, re-test the parent of that commit (which is 2ee476f77ffe > > ("drm/ttm: add a simple assign mem to bo wrapper")), which should > > work, and then the bad commit. > > > > Also is this the first bad commit for both the splat and the screen > > corruption issues? > > > > > So I don't know if that is anywhere near right. > > > > Thomas guessed it could be a ttm change, you hit one, and it looks > > like it could be the culprit. Now I guess it's up to Dave. Also adding > > Christian, in case he has an idea. > > I'd be mildly surprised if it's that commit, since it just refactors > what looks to me to be two identical code pieces into one instance > (within the scope of me screwing that up, but reading it I can't see > it). > > I'll dig into this today. https://patchwork.freedesktop.org/patch/401559/ should fix it. We had a report in the rc1 thread but it got lost in the nouveau stuff as well, I've cc that reporter as well. please test. Dave. _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel