Date: Thu, 7 Jun 2012 11:47:38 +0300 From: Konstantin Belousov <kostikbel@gmail.com> To: Andriy Gapon <avg@freebsd.org> Cc: freebsd-hackers@freebsd.org Subject: Re: boot menu option to disable graphics mode Message-ID: <20120607084738.GT85127@deviant.kiev.zoral.com.ua> In-Reply-To: <4FD05C16.9040905@FreeBSD.org> References: <4FD05C16.9040905@FreeBSD.org>
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--D5tFrmRBv7YOLFOK Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Jun 07, 2012 at 10:45:26AM +0300, Andriy Gapon wrote: >=20 > It's long been a wish of mine to have an ability to decide at boot time t= hat a > system should boot in "console-only" mode. That is, that no graphics/X > applications like e.g. xdm/kdm/gdm are automatically started even when th= ey are > configured to do so. >=20 > Here is my attempt at implementing that: > https://gitorious.org/~avg/freebsd/avgbsd/commit/96f7051d63d4286ef6f0196d= 241e7855338a6ed7?format=3Dpatch >=20 > All the option does at boot time is setting of 'inhibit_gui' variable for= kernel > environment. I envision that this variable could be properly and gracefu= lly > handled in various startup scripts and/or application startup logic. > But to ensure that the option is always honored I've also added "ultimate > protection" to syscons that prohibits KDSETMODE/KD_GRAPHICS ioctl. This is too much, IMO. I understand why you may want to disable auto-start of login manager, but preventing a user from running X at all until she learns about kenv -u _and_ obscure code somewhere in the kernel, is unreasonable. --D5tFrmRBv7YOLFOK Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (FreeBSD) iEYEARECAAYFAk/QaqoACgkQC3+MBN1Mb4g2qACeJ9mSp+p1G+Isbr5ouBZOYC1a UVEAn3Tka90jbzLIJ1CvC/GEKh68V5GF =OsvM -----END PGP SIGNATURE----- --D5tFrmRBv7YOLFOK--
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