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=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 89D25C4332B for ; Thu, 19 Mar 2020 21:07:37 +0000 (UTC) Received: from whitealder.osuosl.org (smtp1.osuosl.org [140.211.166.138]) (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 4D2D12072D for ; Thu, 19 Mar 2020 21:07:37 +0000 (UTC) Authentication-Results: mail.kernel.org; dmarc=permerror header.from=codethink.co.uk Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=cip-dev-bounces@lists.cip-project.org Received: from localhost (localhost [127.0.0.1]) by whitealder.osuosl.org (Postfix) with ESMTP id 243B6880DF; Thu, 19 Mar 2020 21:07:37 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from whitealder.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 17KXPghOE-54; Thu, 19 Mar 2020 21:07:36 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by whitealder.osuosl.org (Postfix) with ESMTP id A0DA988089; Thu, 19 Mar 2020 21:07:36 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 89BF6C07FF; Thu, 19 Mar 2020 21:07:36 +0000 (UTC) Received: from whitealder.osuosl.org (smtp1.osuosl.org [140.211.166.138]) by lists.linuxfoundation.org (Postfix) with ESMTP id DE591C07FF for ; Thu, 19 Mar 2020 21:07:34 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by whitealder.osuosl.org (Postfix) with ESMTP id CB97088089 for ; Thu, 19 Mar 2020 21:07:34 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from whitealder.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id dKR1W1FtQ-eg for ; Thu, 19 Mar 2020 21:07:34 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from imap3.hz.codethink.co.uk (imap3.hz.codethink.co.uk [176.9.8.87]) by whitealder.osuosl.org (Postfix) with ESMTPS id CAA4187EB8 for ; Thu, 19 Mar 2020 21:07:33 +0000 (UTC) Received: from shadbolt.e.decadent.org.uk ([88.96.1.126] helo=xylophone) by imap3.hz.codethink.co.uk with esmtpsa (Exim 4.92 #3 (Debian)) id 1jF2Ny-0000x3-Gj; Thu, 19 Mar 2020 21:07:26 +0000 Message-ID: <5f2a3e394d6a5e9bc8b9e05df0b17c758c9c46fb.camel@codethink.co.uk> From: Ben Hutchings To: Chris Paterson , Pavel Machek Date: Thu, 19 Mar 2020 21:07:24 +0000 In-Reply-To: References: <20200319110524.GA8475@duo.ucw.cz> Organization: Codethink Ltd. User-Agent: Evolution 3.30.5-1.1 MIME-Version: 1.0 Cc: "cip-dev@lists.cip-project.org" Subject: Re: [cip-dev] realtime on de0-nano bisection X-BeenThere: cip-dev@lists.cip-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: cip-dev-bounces@lists.cip-project.org Sender: "cip-dev" On Thu, 2020-03-19 at 16:13 +0000, Chris Paterson wrote: > Hi Pavel, > > > From: cip-dev On Behalf Of Chris > > Paterson > > Sent: 19 March 2020 11:23 > > > > Hello Pavel, > > > > > From: Pavel Machek > > > Sent: 19 March 2020 11:05 [...] > > > like tests are unreliable (and even my basic assumptions may be worth > > > re-testing). > > > > > > Can you help? I'll be away from console for a few hours now. > > > > I'll get bisecting. > > Last 'good' patch is: 2089f853a8c3 ("drm/i915: disable tracing on > -RT") > The first 'bad' path is: c82fe0af5e58 ("drm/i915: skip > DRM_I915_LOW_LEVEL_TRACEPOINTS with NOTRACE") > > Don't ask me why c82fe0af5e58 causes a boot issue on the de0-nano > board but at least it's a starting point for you. [...] When bisection finds a commit touching code that you're not even building, the answer should not be "don't ask me why" but "this is not a reproducible bug". Ben. -- Ben Hutchings, Software Developer Codethink Ltd https://www.codethink.co.uk/ Dale House, 35 Dale Street Manchester, M1 2HF, United Kingdom _______________________________________________ cip-dev mailing list cip-dev@lists.cip-project.org https://lists.cip-project.org/mailman/listinfo/cip-dev