From owner-freebsd-current@freebsd.org Mon May 6 15:33:03 2019 Return-Path: Delivered-To: freebsd-current@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 065BF158DDCB for ; Mon, 6 May 2019 15:33:03 +0000 (UTC) (envelope-from hps@selasky.org) Received: from mail.turbocat.net (turbocat.net [IPv6:2a01:4f8:c17:6c4b::2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 8366374AAE for ; Mon, 6 May 2019 15:33:01 +0000 (UTC) (envelope-from hps@selasky.org) Received: from hps2016.home.selasky.org (unknown [176.74.212.121]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.turbocat.net (Postfix) with ESMTPSA id 3E687260293; Mon, 6 May 2019 17:32:58 +0200 (CEST) Subject: Re: Loading DRM kills computer To: lausts@acm.org, FreeBSD Current References: <9e3ed2d0-4cb3-f5c1-03da-fc0e2583f4a6@acm.org> From: Hans Petter Selasky Message-ID: <6ec2ed96-30bc-aaa3-2b1f-e52a76284765@selasky.org> Date: Mon, 6 May 2019 17:32:29 +0200 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 MIME-Version: 1.0 In-Reply-To: <9e3ed2d0-4cb3-f5c1-03da-fc0e2583f4a6@acm.org> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 8366374AAE X-Spamd-Bar: ----- Authentication-Results: mx1.freebsd.org; spf=pass (mx1.freebsd.org: domain of hps@selasky.org designates 2a01:4f8:c17:6c4b::2 as permitted sender) smtp.mailfrom=hps@selasky.org X-Spamd-Result: default: False [-5.74 / 15.00]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; R_SPF_ALLOW(-0.20)[+a:mail.turbocat.net]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; MIME_GOOD(-0.10)[text/plain]; DMARC_NA(0.00)[selasky.org]; TO_MATCH_ENVRCPT_SOME(0.00)[]; MX_GOOD(-0.01)[mail.turbocat.net]; RCPT_COUNT_TWO(0.00)[2]; NEURAL_HAM_SHORT(-0.88)[-0.880,0]; IP_SCORE(-2.55)[ip: (-8.94), ipnet: 2a01:4f8::/29(-2.08), asn: 24940(-1.73), country: DE(-0.01)]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:24940, ipnet:2a01:4f8::/29, country:DE]; MID_RHS_MATCH_FROM(0.00)[]; RCVD_TLS_ALL(0.00)[]; RCVD_COUNT_TWO(0.00)[2] X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 06 May 2019 15:33:03 -0000 On 2019-05-06 16:41, Thomas Laus wrote: > List > > I have a graphics issue since about CURRENT r346025. Kernel loading DRM > kills 2 different computers. My i5 Skylake works, but my Atom D510 > desktop and laptop Core2-duo both have this common issue. When the DRM > kernel module is loaded, I get a 'black screen' on the console and am > not able to login via ssh to shutdown the PC. If I comment out the > kldload DRM statement in rc.conf a boot is possible. I get the same > result 'black screen of death' when starting X without DRM being loaded. > > I am reporting this a little late because of another issue. I am > working with some committers on a gptzfsboot problem and thought that > this DRM issue would have been discovered and fixed by someone else in > the last few weeks. I updated to CURRENT r347183 this morning and > updated all of my packages and ports at the same time. Did you build DRM from source? If no, then try that first. > This problem is > still present. I don't know how to isolate this issue. Is it a > framebuffer problem in the kernels after r346025, Current-DRM-kmod, or > the Intel driver "xf86-video-intel-2.99.917.20181203". > --HPS