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=-2.3 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 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 93BC1C742A7 for ; Sat, 13 Jul 2019 14:47:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 66B3B2083B for ; Sat, 13 Jul 2019 14:47:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1563029227; bh=lW5bIDcvdJ3kwdWA9DCCLkrkL9b6UAoY77IbP2qzLaU=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=P8TEqU+AcVkYkez90HFTWc/jNQ39oUuCLb322hHeEhIMYM2TfYhqJIJy1TlfkOtjI lgsg50e2Ty1Li02MlnBVgRbBb2PhX349+rJzoDubkaz4bT+gJM76jxSNZfRHFaG0kx cAIHY6EmlQzAsnEFPtGicZ5DQzFqa39wS/vPtgew= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727780AbfGMOrD (ORCPT ); Sat, 13 Jul 2019 10:47:03 -0400 Received: from mail.kernel.org ([198.145.29.99]:45204 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727504AbfGMOrD (ORCPT ); Sat, 13 Jul 2019 10:47:03 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id EC2172083B; Sat, 13 Jul 2019 14:47:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1563029222; bh=lW5bIDcvdJ3kwdWA9DCCLkrkL9b6UAoY77IbP2qzLaU=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=RtTVOCP4TbiLmdwovgel+a4gNqWIRDKhnUUJetX5R/JRAm2uTsZypdugPokrhP0xJ JyPnfqpdk8cyYc3gwXdirU9A8iNM4TyCS6h6gE1kyF4xo0Hfb+tNJPEhkUrcGO5w46 XFl6Lc1g1LgWrWFF6V9LqwVF0PVoDZk4vuNEakOk= Date: Sat, 13 Jul 2019 16:47:00 +0200 From: Greg Kroah-Hartman To: Alex Dewar Cc: Mauro Carvalho Chehab , Hans Verkuil , Philipp Zabel , Boris Brezillon , Heiko Stuebner , linux-arm-kernel , "open list:ARM/Rockchip SoC..." , Linux Kernel Mailing List , linux-media@vger.kernel.org, devel@driverdev.osuosl.org Subject: Re: [REGRESSION] Xorg segfaults on Asus Chromebook CP101 with Linux v5.2 (was Asus C101P Chromeboot fails to boot with Linux 5.2) Message-ID: <20190713144700.GF5982@kroah.com> References: <59042b09-7651-be1d-347f-0dc4aa02a91b@gmx.co.uk> <862e98f3-8a89-a05e-1e85-e6f6004da32b@gmx.co.uk> <5fe66d5d-0624-323f-3bf8-56134ca85eca@gmx.co.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.12.1 (2019-06-15) Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org On Sat, Jul 13, 2019 at 12:38:45PM +0100, Alex Dewar wrote: > Hi all, > > I initially thought my machine was failing to boot entirely, but it > turns out it was just failing to start the display manager. I managed to > escape to a tty by hammering the keyboard a bit. > > I suspect the culprit is the rockchip_vpu driver (in staging/media), > which has been renamed to hantro in this merge window. When I run startx > from a terminal, X fails to start and Xorg segfaults (log here: > http://users.sussex.ac.uk/~ad374/xorg.log). X seems to work without any > issues in v5.1. > > I've also tried running trace on the Xorg process, but the output was > pretty verbose. I can share if that would be helpful though. Can you run 'git bisect' to find the offending commit? thanks, greg k-h