Date: Sat, 25 Jan 2014 09:00:47 -0600 From: Nathan Whitehorn <nwhitehorn@freebsd.org> To: Alexey Dokuchaev <danfe@FreeBSD.org>, ppc@freebsd.org Subject: Re: Sharing experience: X11 on Mac Mini G4 (ATI RV280) Message-ID: <52E3D19F.5000002@freebsd.org> In-Reply-To: <20140125135241.GB97062@FreeBSD.org> References: <20140125135241.GB97062@FreeBSD.org>
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On 01/25/14 07:52, Alexey Dokuchaev wrote:
> Hi,
>
> After playing around with fresh -CURRENT on the console, I've built X11 bits
> to see if I can go graphic. Fresh ports tree, Nathan's patch [*] applied,
> WITHOUT_NEW_XORG added to /etc/make.conf.
>
> Results are not totally atrocious, but still somewhat disappointing. Ports
> that I've installed:
>
> x11-servers/xorg-server (w/out HAL/devd crap; AIGLX on; suid root)
> x11-drivers/xf86-video-ati
> x11-drivers/xf86-input-keyboard
> x11-drivers/xf86-input-mouse
> x11/{xterm,xinit,xauth}
> graphics/mesa-demos (for glxinfo/glxgears)
> x11-wm/openbox
>
> A tiny ~/.xinitrc (should be enough for the test):
>
> xterm &
> exec openbox
>
> 1) Simply running "startx" (w/out /etc/X11/xorg.conf) both as normal user
> and root did not work: Xorg complained that "Primary device is not PCI"
> (WTF?) and "Failed to load module fbdev" (duh! didn't install that one;
> I want normal ATI driver and GLX/DRI support).
>
> 2) X -configure as root produced xorg.conf.new file with some meaningful
> Device section (mentions correct card name per pciconf(8); Driver =
> "radeon" and some probably correct BusID). No idea why it could not be
> determined via simple "startx" without any X11 config though, like it
> had always worked for my on x86 for the past few years already.
>
> 3) Copying xorg.conf.new file to /etc/X11/xorg.conf allowed me to finally
> see xterm with openbox default window decorations; glxinfo reports that
> direct rendering is enabled. glxgears reported around 85 FPS (that is,
> on Radeon 9200; on my ~2006 x86 laptop with Intel GMA 900 it is around
> 830 FPS). About five minutes later X hung. Mac Mini itself was still
> alive (via ssh), but trying to switch consoles resulted in instant hang
> of the entire system, requiring me to power-cycle it.
The drm(4) module on PPC sometimes has issues. You could try disabling
it in your xorg.conf (or removing the relevant kernel modules, drm.ko
and radeon.ko, from /boot/kernel) and see if that helps. It will make 3D
slower, but might fix the stability issues.
-Nathan
> 4) It looks like OpenBox (I've tried both builds with and without Imlib2)
> has some endianess problem: xterm icon appeared greenish (in the window
> title and when switching windows with Alt-Tab). Other colors (at least
> what I could see during this very short test run) were OK. This seems
> particularly weird as I did not find any related patches in Gentoo/Arch
> packages of OpenBox.
>
> I'd like to hear other's people experience with X11 on Mac Mini G4 against
> recent -CURRENT. Any ideas/pointers on how to remedy problems I've seen
> are also much appreciated, thanks!
>
> ./danfe
>
> [*] http://people.freebsd.org/~nwhitehorn/new_xorg_ppc.diff
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