From owner-freebsd-current@freebsd.org Tue Jan 26 07:02:12 2021 Return-Path: Delivered-To: freebsd-current@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 3E1694E22B3 for ; Tue, 26 Jan 2021 07:02:12 +0000 (UTC) (envelope-from danfe@freebsd.org) Received: from mailman.nyi.freebsd.org (mailman.nyi.freebsd.org [IPv6:2610:1c1:1:606c::50:13]) by mx1.freebsd.org (Postfix) with ESMTP id 4DPyN413hrz4qnh for ; Tue, 26 Jan 2021 07:02:12 +0000 (UTC) (envelope-from danfe@freebsd.org) Received: by mailman.nyi.freebsd.org (Postfix) id 220A74E1E57; Tue, 26 Jan 2021 07:02:12 +0000 (UTC) Delivered-To: current@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 21B624E1E56; Tue, 26 Jan 2021 07:02:12 +0000 (UTC) (envelope-from danfe@freebsd.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2610:1c1:1:6074::16:84]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "freefall.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4DPyN40Xgwz4qXJ; Tue, 26 Jan 2021 07:02:12 +0000 (UTC) (envelope-from danfe@freebsd.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1611644532; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=wT7w4MEE6UEyEe858LQ6pbrfa/NOZanLaFHah/ouHGI=; b=ct0XUuPcU12UU8ulaZN2f95x/Ttz/2AJVfaWuxFEcXHELKLtp4GYX3C2nIgr7bA+ErpRYl XoY8hwBO1KOhq8PljSFHTxpw5XRta/nFlKPxYzj+sYyyTDmLW03XAqbJYrEthaCqbg9OMy W3nicg2HlqkesIGcMEU/Hqdh1lXQ/+qm7kQg+4BQ5g2FqsT+3cTy0Cfsy8vJWdViY5kod5 zsMfH7TKb2RkYD2knz0cG8AF4crQXfmtP5cfDdrOHTmgq2lTNIvRmTkmwypX5M4AX2L41y zov7kWm2Y8PhncFZDsnRkUtokNzHBYVhP+v7fOgZ/K1GYWokXfH95ynQlnq20g== Received: by freefall.freebsd.org (Postfix, from userid 1033) id 0301914053; Tue, 26 Jan 2021 07:02:11 +0000 (UTC) Date: Tue, 26 Jan 2021 07:02:11 +0000 From: Alexey Dokuchaev To: Robert Huff Cc: Niclas Zeising , current@freebsd.org, x11@freebsd.org Subject: Re: loading drm crashes system Message-ID: <20210126070211.GB43439@FreeBSD.org> References: <24590.137.690675.515036@jerusalem.litteratus.org> <68acb1a8-fcf8-a065-70d5-061669e2f70b@daemonic.se> <24591.35500.33066.12845@jerusalem.litteratus.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <24591.35500.33066.12845@jerusalem.litteratus.org> ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1611644532; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=wT7w4MEE6UEyEe858LQ6pbrfa/NOZanLaFHah/ouHGI=; b=NV5Op4+mTK/9VO9Bbl12eg2/P5eKP/5ddsp2e/A1u7/sByFmP37eCbu96n7oYuMWABjJ/g GtTVVzeGFjeJrQOxGFisaalTxe8la5+ZLvqHgSh582/A+6rLco32U7Qz/DnRO7Lrwh4XzF 8cEkbZpuUR2Kz4EeovgfqJ2bWznf0P0/AT/mH7exDd76ykRAnkYR95YEOEtHLEu8mj0xT3 DWOB55F1vE51ER61jVDivi0sYLT5YoBQeXcJ0AtcZxarWsEGFFT6iuxxMRp7Zbxz4supiC /4JpIBefxDz5q9iYlw32qFg47yzweOLbqGW9q9qkPoLVQQpMPO/yOCJ6ZEG6fA== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1611644532; a=rsa-sha256; cv=none; b=alHRMxn9Cav1fAh/iOTh9tu6sK9xZbGawIwPM36WoPUjmucgxlDwp0RGSsW1f2d8xz+kg9 zW9mnX7YuMIS8F2jTZI1108ds3qCUFgJBKkQKuoWB1F1XHHNe/EFt+ZlFq9rBtEgYB7m6o 8H+qsAG5LCSD1i4ZI5F/TFFJLtdMWspcT37RGEE5rCc1DGpiRnB+o4xGXDZehydmrVaigH /rZ+KaUBQMhyb65AqUv+4ClHEGQYb5KVIpkSplBIlYcXrVUqMhkmo8PumQMGV3ls8b6jq0 faZRGcF2Fw7gubKd7Bm1n+AtsNq18akBoToAknTbyw4TRoTOpwRbNp4cFi0l6Q== ARC-Authentication-Results: i=1; mx1.freebsd.org; none X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.34 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: Tue, 26 Jan 2021 07:02:12 -0000 On Mon, Jan 25, 2021 at 10:21:16PM -0500, Robert Huff wrote: > Niclas Zeising asks: > > When did it stop working? > > September ... I _think_. Yeah, that sounds about right. There are known issues with Radeon cards, they were quite well supported a year ago, then something got broken. I've promised to bisect this and find the cause, but there were several syscall-related changes in -CURRENT though the course of the last year, so bisecting just the kernel is not enough (machine won't get to login prompt if the userland does not match), which cripples the process. I still intend to take this quest, just not sure when. :( ./danfe