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=-2.0 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_2 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 9E9CBC74A21 for ; Wed, 10 Jul 2019 15:01:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 40EE02064B for ; Wed, 10 Jul 2019 15:01:18 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=hansenpartnership.com header.i=@hansenpartnership.com header.b="UTIwU8xi"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=hansenpartnership.com header.i=@hansenpartnership.com header.b="UTIwU8xi" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727438AbfGJPBQ (ORCPT ); Wed, 10 Jul 2019 11:01:16 -0400 Received: from bedivere.hansenpartnership.com ([66.63.167.143]:40632 "EHLO bedivere.hansenpartnership.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725956AbfGJPBQ (ORCPT ); Wed, 10 Jul 2019 11:01:16 -0400 Received: from localhost (localhost [127.0.0.1]) by bedivere.hansenpartnership.com (Postfix) with ESMTP id E3A198EE24C; Wed, 10 Jul 2019 08:01:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=hansenpartnership.com; s=20151216; t=1562770875; bh=kTKmUcjPIZy+cb272mn02BGDr/iISuwOGoTGGPFVmB4=; h=Subject:From:To:Cc:Date:In-Reply-To:References:From; b=UTIwU8xij1Z+s9YfJbAnDiV3mL1XHgtV2hGw+QEjW+zIbFTQqNbzuoGBlSLHfLhlA pPgwIA07Mh/i6aP5OiucFcP4yQAuuOFr7rvO6MiH1fcP8t719juppreWl7YzPruswN igUaGuGI2HcT5oLofkY6FD0TyRUzpWqcCPOWOhNo= Received: from bedivere.hansenpartnership.com ([127.0.0.1]) by localhost (bedivere.hansenpartnership.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id w7OgwRly1-Ej; Wed, 10 Jul 2019 08:01:15 -0700 (PDT) Received: from jarvis.lan (unknown [50.35.68.20]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by bedivere.hansenpartnership.com (Postfix) with ESMTPSA id 6C5948EE147; Wed, 10 Jul 2019 08:01:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=hansenpartnership.com; s=20151216; t=1562770875; bh=kTKmUcjPIZy+cb272mn02BGDr/iISuwOGoTGGPFVmB4=; h=Subject:From:To:Cc:Date:In-Reply-To:References:From; b=UTIwU8xij1Z+s9YfJbAnDiV3mL1XHgtV2hGw+QEjW+zIbFTQqNbzuoGBlSLHfLhlA pPgwIA07Mh/i6aP5OiucFcP4yQAuuOFr7rvO6MiH1fcP8t719juppreWl7YzPruswN igUaGuGI2HcT5oLofkY6FD0TyRUzpWqcCPOWOhNo= Message-ID: <1562770874.3213.14.camel@HansenPartnership.com> Subject: Re: screen freeze with 5.2-rc6 Dell XPS-13 skylake i915 From: James Bottomley To: intel-gfx@lists.freedesktop.org Cc: linux-kernel Date: Wed, 10 Jul 2019 08:01:14 -0700 In-Reply-To: <1561834612.3071.6.camel@HansenPartnership.com> References: <1561834612.3071.6.camel@HansenPartnership.com> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.26.6 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, 2019-06-29 at 11:56 -0700, James Bottomley wrote: > The symptoms are really weird: the screen image is locked in place. > The machine is still functional and if I log in over the network I > can do anything I like, including killing the X server and the > display will never alter. It also seems that the system is accepting > keyboard input because when it freezes I can cat information to a > file (if the mouse was over an xterm) and verify over the network the > file contents. Nothing unusual appears in dmesg when the lockup > happens. > > The last kernel I booted successfully on the system was 5.0, so I'll > try compiling 5.1 to narrow down the changes. I've confirmed that 5.1 doesn't have the regression and I'm now trying to bisect the 5.2 merge window, but since the problem takes quite a while to manifest this will take some time. Any hints about specific patches that might be the problem would be welcome. James