-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 Hi,
In the french documentation on obsd4a's wiki, I wrote: "When to add this option? When you see into xorg.log: $ head /var/log/Xorg.0.log [ 33.839] (WW) checkDevMem: failed to open /dev/xf86 and /dev/mem (Operation not permitted) Check that you have set 'machdep.allowaperture=1' in /etc/sysctl.conf and reboot your machine refer to xf86(4) for details (...) " It's right? You mention security risks and others problems. Which? Could you explain simply, please? On 6/12/19 12:58 AM, Marc Espie wrote: > I think this is generic enough to belong on misc@ ----- Forwarded > message from Mark Kettenis <mark.kette...@xs4all.nl> ----- > > Date: Tue, 11 Jun 2019 19:54:04 +0200 (CEST) From: Mark Kettenis > <mark.kette...@xs4all.nl> To: t...@openbsd.org Subject: Check your > machdep.allowaperture setting > > These days most OpenBSD users should have the machdep.allowaperture > sysctl set to 0 (the default). Having it set to seomething else > poses security risks and can actually cause problems, in particular > on systems that have multiple GPUs where one of tha GPUs is > supported by inteldrm(4) or radeondrm(4) and the other isn't. > > You'll only need to set machdep.allowaperture to a non-zero value > if inteldrm(4) or radeordrm(4) doesn't attach on your machine and > you can't use efifb(4) either. > > ----- End forwarded message ----- > - -- ~ " Fully Basic System Distinguish Life! " ~ " Libre as a BSD " +=<<< - ---- <me>Stephane HUC as PengouinBSD or CIOTBSD</me> <mail>b...@stephane-huc.net</mail> -----BEGIN PGP SIGNATURE----- iHUEARYKAB0WIQScTRXz7kMlZfGpDZMTq98t3AMG7wUCXQEmVgAKCRATq98t3AMG 76k0AQDLAsK4JZEbe3jJAjP3APQP8UQMjkrB7D2qynFROiwzaAEA0CDCIIXFvwDC K58yeah0+01gzm2M6HDpRnl7tytBAQ8= =j7Rz -----END PGP SIGNATURE-----