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 6B0C6C54FCC for ; Mon, 20 Apr 2020 05:24:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 51BEB206F6 for ; Mon, 20 Apr 2020 05:24:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726043AbgDTFYX (ORCPT ); Mon, 20 Apr 2020 01:24:23 -0400 Received: from mail-pj1-f67.google.com ([209.85.216.67]:33931 "EHLO mail-pj1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725710AbgDTFYX (ORCPT ); Mon, 20 Apr 2020 01:24:23 -0400 Received: by mail-pj1-f67.google.com with SMTP id q16so4308105pje.1; Sun, 19 Apr 2020 22:24:23 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=K1EufJhoKXAZrVxjekdMJrvgmrsL3ufW1zU9l0LvEYY=; b=HVeKQHzxiuxv+qQwaXjPA47AOpTsyCWdwIHlUUQK3mBWn7VpgD0mafpO6j4iB4mrIO M8WSFhOMRJFkzaVHyboFFYI1BO0FaFOonH5xymxHLoy+3oJlnCf7egx4TqUmmhogjFrt nLI64L7C/9F7d0gzJGR+oNcI7oYdM8EZbF9eoDhRnntI2nroQqda5nupyyoBX7HV4/5P zcS/VKuOzETRn61FcUkVfEPGuKwlc/XUt7x4JkTIMqOp8TCT/oGrtW7u8Cm+eRCYdcTM h07Y11qlUSOlUYogx+BNRVVZcPMKpBs4jFy6JDy91eBBOITQkY2VEN0J2z1ZsbupUFcF 61vw== X-Gm-Message-State: AGi0PuZ38S9ZJ+opDQzLMZz4IItS5SiZMgRgOkx56CLAObCHmOZGkkKS +gk9itxZKjtP8N/g237sfQ89gC24 X-Google-Smtp-Source: APiQypKGL2ACEgr6lcqS/nTfLQ/3dlQmBWrZf/B68lXNXdC97qK11XT6Prr3sMiFI/6YeYSmGA8OEw== X-Received: by 2002:a17:902:8b82:: with SMTP id ay2mr15735468plb.285.1587360262734; Sun, 19 Apr 2020 22:24:22 -0700 (PDT) Received: from sultan-box.localdomain ([104.200.129.62]) by smtp.gmail.com with ESMTPSA id m3sm25197383pgt.27.2020.04.19.22.24.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 19 Apr 2020 22:24:21 -0700 (PDT) Date: Sun, 19 Apr 2020 22:24:19 -0700 From: Sultan Alsawaf To: Chris Wilson Cc: stable@vger.kernel.org, Jani Nikula , Joonas Lahtinen , Rodrigo Vivi , David Airlie , Daniel Vetter , Matthew Auld , intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v4] drm/i915: Synchronize active and retire callbacks Message-ID: <20200420052419.GA40250@sultan-box.localdomain> References: <20200404024156.GA10382@sultan-box.localdomain> <20200407064007.7599-1-sultan@kerneltoast.com> <20200414061312.GA90768@sultan-box.localdomain> <158685263618.16269.9317893477736764675@build.alporthouse.com> <20200414144309.GB2082@sultan-box.localdomain> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200414144309.GB2082@sultan-box.localdomain> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Chris, Could you please look at this in earnest? This is a real bug that crashes my laptop without any kind of provocation. It is undeniably a bug in i915, and I've clearly described it in my patch. If you dont like the patch, I'm open to any suggestions you have for an alternative solution. My goal here is to make i915 better, but it's difficult when communication only goes one way. Thanks, Sultan