From owner-freebsd-x11@freebsd.org Mon Feb 22 10:32:47 2016 Return-Path: Delivered-To: freebsd-x11@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id B9B40AB0167 for ; Mon, 22 Feb 2016 10:32:47 +0000 (UTC) (envelope-from tommi.pernila@gmail.com) Received: from mail-lf0-x22e.google.com (mail-lf0-x22e.google.com [IPv6:2a00:1450:4010:c07::22e]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4116C1012 for ; Mon, 22 Feb 2016 10:32:47 +0000 (UTC) (envelope-from tommi.pernila@gmail.com) Received: by mail-lf0-x22e.google.com with SMTP id j78so90553118lfb.1 for ; Mon, 22 Feb 2016 02:32:47 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date:message-id:subject :from:to:cc:content-type; bh=MfhPxo2FkLCu8r3zCqTsjwfIGBgwalQUvOCs2RHLwWY=; b=VPEQSzG6ROOKWMGs2Uop2Z46aA2/tBQMhEIXsVcpQ8picam0Qbo4LgUDZ+0YiuNXUJ OOXM6vrmYHTLwlxnERUTSSehjfqk2EJGQu6QhytmXGQ7xuM4WssPFS5x5/h8PRZc9o6Z 0JH77L0BzPc+A6UIRiVsHi9dqZSTetVG5wfOEKBaX4Z0a5O98meXkLND5VGKsG/iGMbj rVuwiia/WgmgGxZoR6V+v19WryI3S8meOXTk2hilKE1fGJJ1wwW7HRQUmjI1AFQZ3C6P jqwdrfN5nLAqVS08qWTWKALDAxsE+vIX215i7Rs6W5Wq9ff96UtugLFhxU7P8HxNX6AU 37kA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:sender:in-reply-to:references:date :message-id:subject:from:to:cc:content-type; bh=MfhPxo2FkLCu8r3zCqTsjwfIGBgwalQUvOCs2RHLwWY=; b=lDMHw8qIeEZ6aeuDUTExCbOOajJ6+5ymVVdQlDxER2QfaxstiXscYp8CVvF8a1PBYI zQwlNvurYn7ciP77iciBR0WMpXjhozHTKbc52C/fMVyvw4zRKsbmEbTohUJiIzW0uGYG Wrk2gTBQvALmvM7h6HPhx6YUb7WWHBvfY2wL/nErKfTGRgJrUbsuALUVzTZKCn6S/Ni+ uSsbLURUmzcU4XI8FgiVZOAxMc60ak8fT0tib2PkRBnylmw+Y2E4Buf2Ajj9JB6PAUz6 qg4UCIvwA5vartcLNLa/+SMG17ELi7LK5cE539e7qi8U3zsRImlFg6OvpwilgLbvNPrO OGAw== X-Gm-Message-State: AG10YOQO8nuM0SqOpeHB9jtqhUh6vd7j0ioUa4Af7IqzdyM5uhSudRuivAWznK+5hSQoPNj7x+vbSSU+F/g9GQ== MIME-Version: 1.0 X-Received: by 10.25.141.130 with SMTP id p124mr10194080lfd.42.1456137165317; Mon, 22 Feb 2016 02:32:45 -0800 (PST) Sender: tommi.pernila@gmail.com Received: by 10.112.91.131 with HTTP; Mon, 22 Feb 2016 02:32:45 -0800 (PST) In-Reply-To: <56C8F89D.5060703@dumbbell.fr> References: <56C708E9.8050203@FreeBSD.org> <20160220104349.2bc8b22a@fujitsu> <56C8F89D.5060703@dumbbell.fr> Date: Mon, 22 Feb 2016 12:32:45 +0200 X-Google-Sender-Auth: dqQ14KPNjUZfi2c_noFBDySXOi4 Message-ID: Subject: Re: Guide to contribute to kernel video drivers From: Tommi Pernila To: =?UTF-8?B?SmVhbi1Tw6liYXN0aWVuIFDDqWRyb24=?= Cc: freebsd-x11@freebsd.org Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.20 X-BeenThere: freebsd-x11@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: X11 on FreeBSD -- maintaining and support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 22 Feb 2016 10:32:47 -0000 Hi, On Sun, Feb 21, 2016 at 1:37 AM, Jean-S=C3=A9bastien P=C3=A9dron < jean-sebastien.pedron@dumbbell.fr> wrote: > Le 20/02/2016 08:43, Eax Melanhovich a =C3=A9crit : > > Hello > > Hi! > > > Thanks a lot for a guide! > > You're welcome! > > Similarly many thanks to Jean for the guide. > > Do I right understand that the only way to debug a kernel is to crash > > it and then analyze a dump using gdb? Is it possible to attach to a > > running kernel remotely? > > It's probably possible to debug a live kernel, but I never did this > because I don't have a working serial remote access. > > Wouldn't this be possible over ssh? -T