Date: Sat, 29 Mar 2014 11:17:00 -0700 From: Nathan Whitehorn <nwhitehorn@freebsd.org> To: Justin Hibbits <chmeeedalf@gmail.com> Cc: Chris Bigguy <bigguy_40@yahoo.com>, FreeBSD PowerPC ML <freebsd-ppc@freebsd.org> Subject: Re: PowerMac G4 graphics issue Message-ID: <53370E1C.6010706@freebsd.org> In-Reply-To: <20140329104050.2d7fc4df@zhabar.att.net> References: <20081108120019.440D2106570D@hub.freebsd.org> <762295.44650.qm@web33105.mail.mud.yahoo.com> <20140329105152.GA73812@FreeBSD.org> <20140329124227.GA22005@FreeBSD.org> <CAHSQbTAy89HtJHfq1CmDGyygNwOVSh_19NnESgjvX1WhpdMDDQ@mail.gmail.com> <5336F70E.9070806@freebsd.org> <20140329104050.2d7fc4df@zhabar.att.net>
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On 03/29/14 10:40, Justin Hibbits wrote: > On Sat, 29 Mar 2014 09:38:38 -0700 > Nathan Whitehorn <nwhitehorn@freebsd.org> wrote: > >> On 03/29/14 09:10, Justin Hibbits wrote: >>> On Mar 29, 2014 5:42 AM, "Alexey Dokuchaev" <danfe@freebsd.org> >>> wrote: >>>> On Sat, Mar 29, 2014 at 10:51:52AM +0000, Alexey Dokuchaev wrote: >>>>> I'm still not quite there [to working X11 on Mac mini G4] yet, >>>>> seeing >>> these >>>>> infamous lines in the /var/log/Xorg.0.log: >>>>> >>>>> [347050.379] (WW) xf86EnableIO 7 >>>>> [347050.379] (II) xf86EnableIO: ffffffff >>>>> [347050.379] (WW) Can't map IO space! >>>>> [347050.379] (EE) No devices detected. >>>>> >>>>> Advice about setting sysctl hw.ofwfb.relax_mmap=1 is not helpful >>>>> since I do not have this sysctl node. Any clues? >>>> Looks like `relax_mmap' is defined in powerpc/ofw/ofw_syscons.c, >>>> but I've removed "device sc" from kernel config in favor of >>>> "device vt". Does it mean that X11 + ATI card + Newcons is not >>>> supported yet? Can it be easily fixed, or I have to go back to >>>> syscons(4) for now? Thanks, >>>> >>>> ./danfe >>> Correct. Newcons+ofwfb+ATI in X11 doesn't work. You can try >>> xf86-video-scfb in ports to get X working with newcons for you, but >>> you lose any hardware acceleration that the ATI driver gives. >>> >> Does scfb actually work with VT on PPC? I thought it didn't. >> -Nathan >> > I don't know, but from what I understand it's the only option with > vt(4). > > - Justin > I think until the vtd stuff Aleksandr sent around actually works, there are *no* options with vt(4). -Nathan
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