From owner-freebsd-emulation@FreeBSD.ORG Sun Sep 20 18:44:17 2009 Return-Path: Delivered-To: freebsd-emulation@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id E00AE106566B for ; Sun, 20 Sep 2009 18:44:17 +0000 (UTC) (envelope-from alexander@leidinger.net) Received: from mail.ebusiness-leidinger.de (mail.ebusiness-leidinger.de [217.11.53.44]) by mx1.freebsd.org (Postfix) with ESMTP id 6AAC38FC08 for ; Sun, 20 Sep 2009 18:44:17 +0000 (UTC) Received: from outgoing.leidinger.net (pD954F089.dip.t-dialin.net [217.84.240.137]) by mail.ebusiness-leidinger.de (Postfix) with ESMTPSA id 29C378445EC; Sun, 20 Sep 2009 20:44:11 +0200 (CEST) Received: from unknown (IO.Leidinger.net [192.168.2.103]) by outgoing.leidinger.net (Postfix) with ESMTP id 8EB3B1162E9; Sun, 20 Sep 2009 20:44:07 +0200 (CEST) Date: Sun, 20 Sep 2009 20:44:07 +0200 From: Alexander Leidinger To: Roman Divacky Message-ID: <20090920204407.0000383a@unknown> In-Reply-To: <20090920063017.GA12687@freebsd.org> References: <20090919223624.00004f42@unknown> <20090920063017.GA12687@freebsd.org> X-Mailer: Claws Mail 3.7.2cvs15 (GTK+ 2.16.0; i586-pc-mingw32msvc) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-EBL-MailScanner-Information: Please contact the ISP for more information X-EBL-MailScanner-ID: 29C378445EC.142AB X-EBL-MailScanner: Found to be clean X-EBL-MailScanner-SpamCheck: not spam, spamhaus-ZEN, SpamAssassin (not cached, score=-1.44, required 6, autolearn=disabled, ALL_TRUSTED -1.44) X-EBL-MailScanner-From: alexander@leidinger.net X-EBL-MailScanner-Watermark: 1254077052.23555@wKWsofoPDsuPbQ9DOUvPcA X-EBL-Spam-Status: No Cc: Alexander Best , freebsd-emulation@freebsd.org Subject: Re: compat.linux.osrelease behavior X-BeenThere: freebsd-emulation@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Development of Emulators of other operating systems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 20 Sep 2009 18:44:18 -0000 On Sun, 20 Sep 2009 08:30:17 +0200 Roman Divacky wrote: > On Sat, Sep 19, 2009 at 10:36:24PM +0200, Alexander Leidinger wrote: > > On Fri, 18 Sep 2009 15:08:31 +0200 (CEST) Alexander Best > > wrote: > > > > > > > hi there, > > > > > > i have a question regarding the behavior of > > > compat.linux.osrelease. setting it to 2.4.2 sets linuxulator into > > > 2.4 kernel-emulation and 2.6.16 sets it into 2.6 kernel-emulation > > > right? > > > > Sort of. 2.6.x set's 2.6 mode, and everything else is 2.4 mode. But > > this is AFAIK only a semantic change of some functions. This does > > not disable syscalls which are in 2.6 but not in 2.4. > > > > > but what happens when compat.linux.osrelease gets set to a > > > different value? ports/Updating entry 20071101 e.g. advises skype > > > users to set compat.linux.osrelease to 2.4.20. does this trigger > > > 2.6 kernel-emulation because 2.4.20 > 2.4.2 or are there more > > > than two kernel-emulation layers inside the linuxulator?? > > > > It does not affect the kernel emulation. But the glibc will try to > > use new syscalls. > > actually it does change how the kernel emulation works. grep for > linux_use26() I don't find the place where the behavior is changed when 2.4.20 is set... I only see a change when it is set to 2.6.x. Bye, Alexander.