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scoobydu
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PostPosted: Thu Jan 15, 2004 2:11 pm    Post subject: AMD64 - How do you run yours? 32, 64 or both? Reply with quote

Receiving my dual opterons today, and wondered how everyone uses their 64bit cpu's.

I'll install kernel 2.6, but;

1) Have you installed only 64bit and are happy not to be able to run some things? like mplayer ...

2) Only 32bit, and you're waiting for better 64bit support?

3) 64bit, with a separate 32bit install within the 64bit?

4 None of the above, so how do you do it!?

Can't find how to make this a 'poll' :)

Anyway, your feedback would really help!

TIA

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Last edited by scoobydu on Sun Jan 18, 2004 1:19 pm; edited 2 times in total
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PostPosted: Thu Jan 15, 2004 3:25 pm    Post subject: Reply with quote

wish i was fortunate enough to have a 64bit machine... 8)

Code:
emerge -u more-money

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LaNcom
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PostPosted: Thu Jan 15, 2004 3:46 pm    Post subject: Reply with quote

(x) 1) Have you installed only 64bit and are happy not to be able to run some things? like mplayer ...

I use my Opteron 64bit only. For MPlayer (with Quicktime/ Win32 codecs), I installed a RedHat/ Fedora RPM and renamed it to mplayer32 - the 64bit MPlayer works fine, but it doesn't support 32bit binary codecs. Same goes for Netscape plugins (Flash), so I installed Opera/ static with Flash.
32bit 3D apps can't use 64bit OpenGL, so they render software-only...
The Opteron on 64bit Linux runs 32bit software fine (at native speeds), so there should be no issues except for those mentioned...
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scoobydu
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PostPosted: Thu Jan 15, 2004 5:24 pm    Post subject: Reply with quote

LaNcom wrote:
(x) 1) Have you installed only 64bit and are happy not to be able to run some things? like mplayer ...

I use my Opteron 64bit only. For MPlayer (with Quicktime/ Win32 codecs), I installed a RedHat/ Fedora RPM and renamed it to mplayer32 - the 64bit MPlayer works fine, but it doesn't support 32bit binary codecs. Same goes for Netscape plugins (Flash), so I installed Opera/ static with Flash.
32bit 3D apps can't use 64bit OpenGL, so they render software-only...
The Opteron on 64bit Linux runs 32bit software fine (at native speeds), so there should be no issues except for those mentioned...


Thanks for the feedback :)

I'm just learning this, so go easy!

So does mplayer 64bit play divx?

Cool, I use Opera myself, so Opera's runs ok, thats good to hear :)

Don't use OpenGL apps, so that's not a problem for me.

@roger_rabbit: My dual AMD 2000+ board died, damaging one of the CPU's, so when I checked on replacing it, with faster MP processors, the Opterons were £50 more. No brainer really. But still reasonably expensive.

I have been told AMD are due to release more Opterons at better prices in Feb04. My 240's will be dropped and 242 will be the base models ...
So on the day I buy, they are out of date!! Ho hum ...
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PostPosted: Thu Jan 15, 2004 6:08 pm    Post subject: Reply with quote

Quote:
So does mplayer 64bit play divx?


Well, the divx binary codecs won't work with a 64bit MPlayer. But I had no problems watching divx on the 64bit MPlayer so far, I think, XviD or ffmpeg are also able to decode divx (and both XviD and ffmpeg work with 64bit). I only use the 32bit MPlayer for wmv9 and Quicktime/ Sorensen files...
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PostPosted: Thu Jan 15, 2004 6:23 pm    Post subject: Reply with quote

LaNcom wrote:
Quote:
So does mplayer 64bit play divx?


Well, the divx binary codecs won't work with a 64bit MPlayer. But I had no problems watching divx on the 64bit MPlayer so far, I think, XviD or ffmpeg are also able to decode divx (and both XviD and ffmpeg work with 64bit). I only use the 32bit MPlayer for wmv9 and Quicktime/ Sorensen files...


Cool, thx for the info :)

So does the mplayer emerge take care of this? and only installs what works?

I'll give it a go anyway ... cheers
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PostPosted: Fri Jan 16, 2004 1:07 am    Post subject: Reply with quote

Yes, portage takes care of this.
BTW, some info before you get started (if you use a Nvidia card):
In the kernel config, don't activate K8 NUMA, and add '-nptl' to your USE flags. Otherwise, Nvidia binary drivers will not work!
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PostPosted: Fri Jan 16, 2004 9:31 am    Post subject: Reply with quote

LaNcom wrote:
Yes, portage takes care of this.
BTW, some info before you get started (if you use a Nvidia card):
In the kernel config, don't activate K8 NUMA, and add '-nptl' to your USE flags. Otherwise, Nvidia binary drivers will not work!


Great thx, yes I do use NVIDIA 4800 ... thx for the tip ... what kernel do you use? the gentoo dev kernel for AMD 64?

I've noticed it doesn't recognise my Audigy 2 Plat from the LiveCD, are the latest patches in the dev kernel? ie v1.0rc2+ or isn't it supported.

Perhaps there is a supported hardware list somewhere? time for some googling :)

cheers
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PostPosted: Fri Jan 16, 2004 3:21 pm    Post subject: Reply with quote

uname -a:
Linux zauberwald 2.6.1-gentoo #2 Fri Jan 9 20:46:10 CET 2004 x86_64 5 GNU/Linux

The SB Audigy is supported by ALSA, don't know about the Audigy2... But, IIRC, Creative supports the Linux driver development, so it should only be a matter of time if it isn't supported by the current drivers.
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PostPosted: Sat Jan 17, 2004 2:24 pm    Post subject: Reply with quote

LaNcom wrote:
uname -a:
Linux zauberwald 2.6.1-gentoo #2 Fri Jan 9 20:46:10 CET 2004 x86_64 5 GNU/Linux

The SB Audigy is supported by ALSA, don't know about the Audigy2... But, IIRC, Creative supports the Linux driver development, so it should only be a matter of time if it isn't supported by the current drivers.


Thanks.

Yes, all my hardware works on the 2.6.1 kernel, but not sure if this is the same for 64bit ..

Having troubles with grub at the moment, but that was my fault :oops:

Waiting for bootstrap ..

I was gutted that fluxbox doesn't appear to work http://packages.gentoo.org/search/?sstring=fluxbox

although pekwm does :)
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PostPosted: Sat Jan 17, 2004 2:56 pm    Post subject: Reply with quote

Well, all drivers should work. A lot of ebuilds with no amd64 keyword work, too (if the progs don't need x86 assembler).
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PostPosted: Sat Jan 17, 2004 3:29 pm    Post subject: Reply with quote

LaNcom wrote:
Well, all drivers should work. A lot of ebuilds with no amd64 keyword work, too (if the progs don't need x86 assembler).


Ok, thats more promising ... maybe gaim, pan, xcdroast do work, but just haven't been tested yet.

So reading here ... http://dev.gentoo.org/~brad_mssw/amd64-tech-notes.html

If the ebuild is masked with '-amd64' then it definately doesn't work, and you are saying if it doesn't have anything, then it may work. Also this is a no no ACCEPT_KEYWORDS=x86, so each ebuild needs to be unmasked manually...

Thanks, I'm starting to understand :)
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PostPosted: Sat Jan 17, 2004 6:02 pm    Post subject: Reply with quote

Don't know if this is a good solution, but:
'emerge /complete/path/to/the/ebuild' works, even if the ebuild is not marked suitable/ stable for amd64.
I didn't try gaim, xcdroast or pan (I use KDE, so it's Kopete, K3B and Knode for me). But K3B is the best CD/ DVD recording tool for Linux, anyway... ;-)
And you got this right, '-amd64' will _never_ work, usually due to x86 assembler.
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PostPosted: Sat Jan 17, 2004 6:32 pm    Post subject: Reply with quote

LaNcom wrote:
Don't know if this is a good solution, but:
'emerge /complete/path/to/the/ebuild' works, even if the ebuild is not marked suitable/ stable for amd64.
I didn't try gaim, xcdroast or pan (I use KDE, so it's Kopete, K3B and Knode for me). But K3B is the best CD/ DVD recording tool for Linux, anyway... ;-)
And you got this right, '-amd64' will _never_ work, usually due to x86 assembler.


K3B :P Well perhaps, but is got kde's bloat :wink:

GTK2 Only for me!

Anyway, thanks for the help, much appreciated.

OK, now ready for grub, then finishing up ...

edit: bloody grub .. keep getting;

setup (hd0)
checking if "/boot/grub/stage1" exists .... no
checking if "/grub/stage1" exists .... no

Error 15: File Not Found
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PostPosted: Sat Jan 17, 2004 6:50 pm    Post subject: from the gentoo handbook: Reply with quote

(For the AMD64 architecture:)
# emerge --usepkg grub-static
# cp -Rpv /usr/share/grub/i386-pc/* /boot/grub

guess that will help
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PostPosted: Sat Jan 17, 2004 7:53 pm    Post subject: Re: from the gentoo handbook: Reply with quote

Moos3man wrote:
(For the AMD64 architecture:)
# emerge --usepkg grub-static
# cp -Rpv /usr/share/grub/i386-pc/* /boot/grub

guess that will help


Thx Moos, I did follow this, but can't remember if I mounted /boot first :oops:

I didn't realise I was so rusty with gentoo installs!!
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PostPosted: Sat Jan 17, 2004 8:33 pm    Post subject: well you can find out easy enough cant you Reply with quote

well you can find out easy enough cant you
mount your boot somewhere else and look :lol:

Also do you know why there is no AMD64 specific forum i think we should have one :P
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PostPosted: Sat Jan 17, 2004 9:25 pm    Post subject: Re: well you can find out easy enough cant you Reply with quote

Moos3man wrote:
well you can find out easy enough cant you
mount your boot somewhere else and look :lol:

Also do you know why there is no AMD64 specific forum i think we should have one :P


Yep, all done, works when you mount /boot :mrgreen:

Would be good to have a 64bit forum, I must admit :)
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PostPosted: Sat Jan 17, 2004 9:34 pm    Post subject: Reply with quote

I have compiled gaim, 0.72 i believe, giving it the full path. Most stuff I emerged worked fine in 64 bits by doing the same. Here and there a package wouldn't install due to masked dependency so you jsut install the dependency first even if it sometimes turns into a chinese box :)
I installed the compatibility binaries and managed to compile mplayer in 32 bit by compiling it from untarred ebuild. Anyone managed emerging in 32 bit? How?

cheers

ps i agree on the amd64 forum, i am sure we are more than the users on sparc or MIPS ...
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PostPosted: Sat Jan 17, 2004 10:45 pm    Post subject: Reply with quote

muthax wrote:
I have compiled gaim, 0.72 i believe ...


Good news muthax.

Just doing nvidia, and copying my setting and it should be cooking on gas :)

Then I'll try loading apps with the full path.

These Opterons f$%&^'in ROCK!

They are the low voltage one's so I can put them in a laptop chasis, once the higher clock one's come out :)

I can touch the heatsinks, and they are cool .... my MP's were very hot when running!

Its sweet to see the kernel boot in 64bit mode :mrgreen:

That's the beauty of Linux ....

Sorry for that outburst :wink:
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PostPosted: Sat Jan 17, 2004 11:00 pm    Post subject: Reply with quote

Ah just off topic:
what voltage PSUs u running guys?
I got a 300W and with more than one hard drive i experienced freezes and hard hangs when copying files from a disk to the other or just any disk activity, so was wondering if I am a little underpowerd

ta
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PostPosted: Sat Jan 17, 2004 11:07 pm    Post subject: Reply with quote

muthax wrote:
Ah just off topic:
what voltage PSUs u running guys?
I got a 300W and with more than one hard drive i experienced freezes and hard hangs when copying files from a disk to the other or just any disk activity, so was wondering if I am a little underpowerd

ta


240V :wink:

550W, 6 disks.

Sounds more like a config error. Are you using reiserfs?
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PostPosted: Sat Jan 17, 2004 11:33 pm    Post subject: Reply with quote

No I am running on ext3. Even in win2k does the same, anything that either copies or scans a lot of files on my disks and the system hanged. Even installing from Live Cd, when doing emerge sync after a while system hanged. Turned it off, opened and unplugged the power from the 3 UATA drives and left only the SATA on which i was installing and everything fine. But I cannot turn on the other drives and there's where all my stuff is. Annoying. i have an Asus k8V deluxe, a VIA chipset. I thought it didn't like the idea of SATA and UATA at same time but it must be hardware if it is persistent between platforms, or simply the drivers are still buggered.

anyone experienced something similar?
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PostPosted: Sun Jan 18, 2004 11:06 am    Post subject: Reply with quote

muthax wrote:
No I am running on ext3. Even in win2k does the same, anything that either copies or scans a lot of files on my disks and the system hanged. Even installing from Live Cd, when doing emerge sync after a while system hanged. Turned it off, opened and unplugged the power from the 3 UATA drives and left only the SATA on which i was installing and everything fine. But I cannot turn on the other drives and there's where all my stuff is. Annoying. i have an Asus k8V deluxe, a VIA chipset. I thought it didn't like the idea of SATA and UATA at same time but it must be hardware if it is persistent between platforms, or simply the drivers are still buggered.

anyone experienced something similar?


Not experienced it, but also, have only installed my ATA drives for now ...

I'll probably install my two SATA drives using the Sil3112 card I have, while the motherbiord based drivers improve.
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PostPosted: Sun Jan 18, 2004 1:07 pm    Post subject: Reply with quote

Well dunno you got a 500W PSU that probaly explains while i am getting lock ups and you not. Could be conflicts too, hard to say. When you got a chance, and maybe have even your ide drives in it, can you try copying big chunks of data from a disk to another?

cheers
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