From owner-svn-src-head@freebsd.org Tue Mar 5 07:54:50 2019 Return-Path: Delivered-To: svn-src-head@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 8B2B6151C22D; Tue, 5 Mar 2019 07:54:50 +0000 (UTC) (envelope-from mmacy@freebsd.org) Received: from smtp.freebsd.org (smtp.freebsd.org [IPv6:2610:1c1:1:606c::24b:4]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "smtp.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 2D80585103; Tue, 5 Mar 2019 07:54:50 +0000 (UTC) (envelope-from mmacy@freebsd.org) Received: from mail-io1-f43.google.com (mail-io1-f43.google.com [209.85.166.43]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "GTS CA 1O1" (verified OK)) (Authenticated sender: mmacy) by smtp.freebsd.org (Postfix) with ESMTPSA id 0A37116F61; Tue, 5 Mar 2019 07:54:50 +0000 (UTC) (envelope-from mmacy@freebsd.org) Received: by mail-io1-f43.google.com with SMTP id p18so6246257ioh.5; Mon, 04 Mar 2019 23:54:50 -0800 (PST) X-Gm-Message-State: APjAAAW5j1Sn13/5dGYn6FsWtKhKDeqfcQMf/7zbr0EDjdBpKWEr01lT RxsSBQnKTeIYNzrLXM4yLdRzGfe3KDpyYLR7eNs= X-Google-Smtp-Source: APXvYqyTLZ4tO8pXBRoDewLleXLvuV+CESDxLQMiNybY8bQde2ZlShb8Ri7oImeZZ27fCYQ2sD7X9BOHdkniNb1U7bI= X-Received: by 2002:a6b:7d47:: with SMTP id d7mr11503046ioq.237.1551772489508; Mon, 04 Mar 2019 23:54:49 -0800 (PST) MIME-Version: 1.0 References: <201902232114.x1NLE0cH085345@repo.freebsd.org> In-Reply-To: From: Matthew Macy Date: Mon, 4 Mar 2019 23:54:38 -0800 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: svn commit: r344487 - in head/sys: conf gnu/gcov To: Alan Somers Cc: src-committers , svn-src-all , svn-src-head Content-Type: text/plain; charset="UTF-8" X-Rspamd-Queue-Id: 2D80585103 X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-2.97 / 15.00]; local_wl_from(0.00)[freebsd.org]; NEURAL_HAM_SHORT(-0.97)[-0.970,0]; ASN(0.00)[asn:11403, ipnet:2610:1c1:1::/48, country:US]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; NEURAL_HAM_LONG(-1.00)[-1.000,0] X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 05 Mar 2019 07:54:50 -0000 World? It looks like there's a version mismatch between the kernel and modules. -M On Thu, Feb 28, 2019 at 7:11 PM Alan Somers wrote: > > On Thu, Feb 28, 2019 at 6:40 PM Matthew Macy wrote: > > > > to config add: > > options LINDEBUGFS > > options GCOV > > > > compile kernel with gcc (otherwise it will be a no-op) > > > > sysctl debug.gcov.enable=1 > > > > mount -t debugfs debugfs /sys/kernel/debug > > > > (or wherever) and the output artifacts will appear under gcov/ > build path> - you need to be root to see the artifacts > > > > gcov can then generate the results as it would normally from the > > profiling and the build time artifacts > > > > bug reports welcome > > > > > > -M > > Here's a bug report: I rebuilt the kernel but boot fails with this > error. Do I need to rebuild world too? > > Mounting local filesystems:kldload: fdescfs.ko: lost base for reltab > linker_load_file: /boot/kernel/fdescfs.ko - unsupported file type > mount: fdescfs: Operation not supported by device > Mounting /etc/fstab filesystems failed, will retry after root mount hold release > kldload: fdescfs.ko: lost base for reltab > linker_load_file: /boot/kernel/fdescfs.ko - unsupported file type > mount: fdescfs: Operation not supported by device > . > Mounting /etc/fstab filesystems failed, startup aborted