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JFK78
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PostPosted: Tue Apr 12, 2005 7:23 am    Post subject: Experience with the Mac Mini Reply with quote

Hi,
I bought a Mac Mini and installed Linux on it. It's working ok, but I have still a few problems and I was wondering if other people also had them or if I messed it up at some point:
- Sound : ok we already know that the support is not there yet
- Xorg: the ati driver won't work in AGP 4X mode. It switches to 1X by default. I tried once to force it to 4x but the box crashed (I added another option so I am not sure if the AGP made the box crash).
- radeonfb + DVI-TV adapter: if I plug the DVI-TV adapter, the system advertised output type is TV which is not recognized by radeonfb. After that it's not possible to change anything using fbset. Every call fails (unproper initialization?). I tweaked the driver to recognize this setting and it works better. I can change the settings using fbset.
- DVI-TV adapter: my tv set supports composite input (I have other composite sources and they work quite well). However, I haven't been able to get a correct display on my tv. At first I could not get an image at all (weird display artefact, pb in synch). I was trying 720x576-50Hz interlaced with negative polarity. In the end I tried 720x288-50Hz non interlaced and this time I got a stable image but in black & white. This is weird since I get perfectly good colour images using other composite sources.

I am the only one getting those problems?

Jeff
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LeTene
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PostPosted: Tue Apr 12, 2005 9:52 am    Post subject: Re: Experience with the Mac Mini Reply with quote

JFK78 wrote:
Sound : ok we already know that the support is not there yet


Yes it is :) I have it working great on my Mini which I'm using as a Freevo box.
Please go to this thread and follow paddlers second post in it and you'll have sound:
https://forums.gentoo.org/viewtopic-t-318110-highlight-mac+mini.html

I haven't noticed any problems with the radeon driver, but it plays DVD/divx well enough that I haven't investigated the AGP speeds yet - I'll mark that TO-DO. I'm using the "official" mac DVI-to-SVIDEO cable with no problems on a PAL television with the X resolution set to 800x600.
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power83
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PostPosted: Tue Apr 12, 2005 1:42 pm    Post subject: Reply with quote

Hi, I'm going to byu the MAc mini.

What cpu you have on it?
Have you superdrive? is dual layer?

ps: I think you can try the Xorg Ati drivers, I use it with my radeon 7500 on my laptop. It works well with 4x agp support and AGPFastWrite Options.

man radeon for more info will help u.

bye
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Evangelion
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PostPosted: Tue Apr 12, 2005 5:51 pm    Post subject: Reply with quote

not really Linux-related bu Mac Mini-related: Does the Mini support CPU frequency-scaling?
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PostPosted: Tue Apr 12, 2005 7:21 pm    Post subject: Reply with quote

Evangelion wrote:
not really Linux-related bu Mac Mini-related: Does the Mini support CPU frequency-scaling?


I dunno - it's a desktop box so i don't see why it'd matter, surely your want full-speed-ahead all the time...having said that, the Mini does use laptop-type technology (or so I read). Are you thinking about a car-type application for it (and hence low power consumption)?
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JFK78
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PostPosted: Tue Apr 12, 2005 8:45 pm    Post subject: Re: Experience with the Mac Mini Reply with quote

LeTene wrote:
JFK78 wrote:
Sound : ok we already know that the support is not there yet


Yes it is :) I have it working great on my Mini which I'm using as a Freevo box.
Please go to this thread and follow paddlers second post in it and you'll have sound:
https://forums.gentoo.org/viewtopic-t-318110-highlight-mac+mini.html



Yes I was aware of this tweak and I am actually using it but based on what Benjamin Herrenschmidt has written on LKLM and other newsgroups, this is not the way it has to be done. The sound chip on the mac mini seems to be of a different kind (though it works partially using another driver).

As for the DVI-TV issue, I must admit that I don't understand. I must assume that my TV set does not support the signal it receives but the weird thing is that it receives other composite signals and works with them... strange (though I am using composite and you seem to be using svideo).

Thank you for your answers

For power83, the CPU is a G4 1.10GHz and no I don't have the superdrive (you meant the cd/dvd writer right?).

Jeff
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Evangelion
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PostPosted: Wed Apr 13, 2005 6:05 am    Post subject: Reply with quote

LeTene wrote:
Evangelion wrote:
not really Linux-related bu Mac Mini-related: Does the Mini support CPU frequency-scaling?


I dunno - it's a desktop box so i don't see why it'd matter, surely your want full-speed-ahead all the time...having said that, the Mini does use laptop-type technology (or so I read). Are you thinking about a car-type application for it (and hence low power consumption)?


Well, I don't need full speed all the time (my 2.2Ghz A64 runs at 800Mhz most of the time), but I would like silence (well, the Mini is pretty silent already, but still) and lower power-consumption. THose things are pretty important, even though it will be used as a desktop-machine.
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PostPosted: Wed Apr 13, 2005 8:38 am    Post subject: Reply with quote

i experience the same. by default the radeon chip enters agp 1x mode. i tried to set agp 4x and enable fast writes which crashes the mini. but ignoring the fastwrites option the radeon card enters agp 4x mode without problems.

could you post your fbset and xorg modelines for your dvi->tv out please? im trying to get it working but never got a decent picture yet.
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power83
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PostPosted: Wed Apr 13, 2005 5:53 pm    Post subject: Reply with quote

only 1.10 GHz? but it sould be 1,25 GHz!!!

can u put the output of the following commands, so I can view if ppc compiles in decent times please?

genlop -t postgresql
genlop -t xorg-x11
genlop -t gcc

for example?
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PostPosted: Fri Apr 15, 2005 7:37 am    Post subject: Re: Experience with the Mac Mini Reply with quote

LeTene wrote:
I'm using the "official" mac DVI-to-SVIDEO cable with no problems on a PAL television with the X resolution set to 800x600.


Ok, I did some more tests on another TV set (I am also using the official DVI-SVIDEO converter) and it does not work either. I tried using svideo and composite and it did not work... Could you post your X modeline? The best I could get was a b&w image.

(regarding my previous answer, the cpu is 1.24Ghz, my mistake)

Jeff
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JFK78
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PostPosted: Fri Apr 15, 2005 7:39 am    Post subject: Re: Experience with the Mac Mini Reply with quote

LeTene wrote:

Yes it is :) I have it working great on my Mini which I'm using as a Freevo box.
Please go to this thread and follow paddlers second post in it and you'll have sound:
https://forums.gentoo.org/viewtopic-t-318110-highlight-mac+mini.html


By the way, I saw on LKML that Ben posted some patches to get the "actual" support for the sound chipset in the mac mini. Thought that you might be interested.

Jeff
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david.stevenson
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PostPosted: Fri Apr 15, 2005 7:26 pm    Post subject: Reply with quote

For Power83:
root@Macmini david # genlop -t xorg-x11
* x11-base/xorg-x11

Wed Feb 16 20:59:26 2005 >>> x11-base/xorg-x11-6.7.0-r3
merge time: 1 hour, 50 minutes and 4 seconds.

My gcc has a sept date in the log so I guess that is part of the stage I used , and I do not have postgresql installed.

Jeff can you post a link to Ben's patches - or his posting.

Thanks
David
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power83
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PostPosted: Fri Apr 15, 2005 10:54 pm    Post subject: Reply with quote

ok, thank a lot.....but you have 6.7.0-r3, this is an old version!

in portage there is 6.8.2-rX, I think you have emerged it before syncing the portage tree with "emere --sync"!

when you have emerged the new version, can you please part the output "genlop -t xorg-x11" another time?
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LeTene
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PostPosted: Sat Apr 16, 2005 9:03 am    Post subject: Reply with quote

power83 wrote:
ok, thank a lot.....but you have 6.7.0-r3, this is an old version!

in portage there is 6.8.2-rX, I think you have emerged it before syncing the portage tree with "emere --sync"!

when you have emerged the new version, can you please part the output "genlop -t xorg-x11" another time?


Here's mine, on a 1.42 Mini...

Code:
mini root # emerge xorg-x11 -p

These are the packages that I would merge, in order:

Calculating dependencies ...done!
[ebuild   R   ] x11-base/xorg-x11-6.8.2-r1 
mini root # genlop -t xorg-x11
 * x11-base/xorg-x11

     Thu Apr 14 20:32:37 2005 >>> x11-base/xorg-x11-6.8.2-r1
       merge time: 1 hour, 20 minutes and 23 seconds.

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power83
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PostPosted: Sat Apr 16, 2005 2:47 pm    Post subject: Reply with quote

tank you a lot.

I'm waiting the uotput of the other people now, because I think I'll buy the 1,25 GHz with 40GB hdd and superdrive option...
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JFK78
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PostPosted: Tue Apr 19, 2005 6:15 am    Post subject: Reply with quote

david.stevenson wrote:

Jeff can you post a link to Ben's patches - or his posting.

Thanks
David


Here you are,
http://lists.debian.org/debian-powerpc/2005/04/msg00445.html
you must first apply a few other patches Ben made. They are on the same list (browse by thread, I don't remember their exact names but they were posted in april).

Jeff
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PostPosted: Tue Apr 19, 2005 1:57 pm    Post subject: Reply with quote

i tried building alsa modules from cvs. but i get an "unresolved symbol macio_find" error when trying to insert the module.. if someone has a hint..
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power83
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PostPosted: Mon Apr 25, 2005 6:12 pm    Post subject: Reply with quote

Anyone other could please post the output of the genlop command I wrote up in previos posts?

please say if is the 1,25 or 1,42 CPU and how much of ram, thank you
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PostPosted: Tue Apr 26, 2005 7:26 pm    Post subject: Reply with quote

Code:
     Sun Mar 13 16:03:16 2005 >>> x11-base/xorg-x11-6.8.2-r1
       merge time: 1 hour, 33 minutes and 16 seconds.

1.25GHz - 256 MB ram
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PostPosted: Tue Apr 26, 2005 10:21 pm    Post subject: Reply with quote

I playing with my macmini 1,42GHz 1GB RAM and have one question:

can someone post a xorg.conf that have 3d-acc?

Code:
buh root # genlop -t xorg-x11
 * x11-base/xorg-x11
     Tue Apr 26 12:46:57 2005 >>> x11-base/xorg-x11-6.8.2-r1
       merge time: 1 hour, 21 minutes and 6 seconds.
buh root # genlop -t gcc     
 * sys-devel/gcc
     Mon Apr 25 19:50:25 2005 >>> sys-devel/gcc-3.4.3-r1
       merge time: 59 minutes and 8 seconds.


Added: And please someone who got the DVI-to-TV-out working post the conf.
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PostPosted: Tue May 17, 2005 8:48 am    Post subject: Reply with quote

Lejban wrote:

Added: And please someone who got the DVI-to-TV-out working post the conf.


Yes that would be great. I have still not been able to get it to work. If anybody got the DVI-TV adapter working under linux, could you please tell us.
And I can't test it with MacOS since I don't have it anymore. (Lejban do you still have MacOS?)

JEff
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PostPosted: Tue May 17, 2005 9:41 am    Post subject: Reply with quote

JFK78 wrote:
Lejban wrote:

Added: And please someone who got the DVI-to-TV-out working post the conf.


Yes that would be great. I have still not been able to get it to work. If anybody got the DVI-TV adapter working under linux, could you please tell us.
And I can't test it with MacOS since I don't have it anymore. (Lejban do you still have MacOS?)

JEff


Yes. Currently dualbooting with Mac OS X Tiger on the mini, Tv-out is working fine in 2D, but not in 3D (I think it's a Hz-problem with my TV)

I rather just have gentoo, but have issues both with the tv-out and my wireless keyboard/mouse. Would like to figure those out before removing osx completly.
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PostPosted: Tue May 17, 2005 2:08 pm    Post subject: Reply with quote

Hello can the people who have the mini working with x send me or post there kernel config and xorg config. For the life of me I can not get my 20 in to work in x like I did with yellowdog linux, even with same config and kernel version. So anyone who has it working please assist.
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PostPosted: Tue May 17, 2005 4:11 pm    Post subject: Reply with quote

Lejban wrote:

Yes. Currently dualbooting with Mac OS X Tiger on the mini, Tv-out is working fine in 2D, but not in 3D (I think it's a Hz-problem with my TV)

I rather just have gentoo, but have issues both with the tv-out and my wireless keyboard/mouse. Would like to figure those out before removing osx completly.


And did you finally got it to work under linux or is the tv-out only working with macOS? I am asking to find wether or not my adapter is defective...

Thanks
Jeff
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PostPosted: Tue May 17, 2005 4:53 pm    Post subject: Reply with quote

JFK78 wrote:
Lejban wrote:

Yes. Currently dualbooting with Mac OS X Tiger on the mini, Tv-out is working fine in 2D, but not in 3D (I think it's a Hz-problem with my TV)

I rather just have gentoo, but have issues both with the tv-out and my wireless keyboard/mouse. Would like to figure those out before removing osx completly.


And did you finally got it to work under linux or is the tv-out only working with macOS? I am asking to find wether or not my adapter is defective...

Thanks
Jeff


I haven't had time to test more, sry... And prolly won't either in a while.
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