Re: A feature for -lowlatency kernel?

2011-03-28 Thread Fernando Gomes
Hi Alessio

These are very good news to me. I'm interested in testing it, please
let me know how to proceed.

Best regards

Fernando

On Thu, Mar 24, 2011 at 9:26 PM, Alessio Igor Bogani abog...@ubuntu.com wrote:
 Dear Ubuntu Studio Developers,

 Yesterday Ailo has reported in IRC channel that the 2.6.39 mainline
 Linux kernel is going to provide an useful and interesting feature:
 threaded irqs.

 Until now that feature was provided by realtime kernels only. It is
 the piece of code that permit to prioritize hardware interrupts which
 is very useful thing when you have a firewire/usb device. I think that
 we should have it for Natty.

 So I could provide a -lowlatency kernel based on 39 kernel if enough
 testers will offer theirs help. Sincerely I would want avoid to waste
 time for make something that no one will use.

 What do you think?

 Ciao,
 Alessio

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Re: Fernando's comment on Ubuntu Distro's where the Tascam US-122 worked out of the box

2011-01-14 Thread Fernando Gomes
 If you won't build a kernel and apps yourself you should switch to AV
 Linux or Planet CCRMA etc. and avoid openArtist, Ubuntu Studio etc..
 Lurk Linux audio mailing lists ;).


I've already used AV Linux and Planet CCRMA before, but not after
upgrading my PC, I'll try them soon on it :-)

Following Mike's advice (and some work) I've at last a low latency
kernel on my Maverick installation :-)
For the current kernel versions available on Alessio PPA (for Natty)
the linux headers are needed, and for others with similar problems
that I had (putting a low latency kernel on a Ubuntu Maverick
installation), I've made a post on my 'web log', at
http://www.openstudio.info

Thanks and best regards

Fernando

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Re: Fernando's comment on Ubuntu Distro's where the Tascam US-122 worked out of the box

2011-01-12 Thread Fernando Gomes
I commited the error of updating do Maverick to find out that there
was no 'special' kernel to it ;-)
I can tell you that using the standard Maverick Ubuntu Kernel i don't
have many issues, using hydrogen, rackarack and zynaddsubfx, even with
some processor hungry effects on rackarack.But today what are the
special (low latency, rt) kernels that can be used with maverick (even
not being specific to Maverick)? It seems that natty kernels from
Alessio could be used, I tried to add the ppa from Alessio to my
repositories, if i keep the Maverick label it doesn't add any new
kernel, if I change the label to Natty I get new kernels available,
but the intalation process fail because of missig dependencies. Any
tip on how to add a low latency or rt kernel to Maverick?

Best regards

Fernando

On Wed, Jan 12, 2011 at 9:18 AM, Bernard Hurley bern...@marcade.biz wrote:
 On Wed, Jan 12, 2011 at 12:59:35AM +0100, ailo wrote:
 As for Maverick, there seems to be no lowlatency or rt kernel for it, so
 perhaps it would be recommendable to try sticking with Lucid, until
 Natty can become a replacement.


 Thanks,

 Bernard


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Re: Fernando's comment on Ubuntu Distro's where the Tascam US-122 worked out of the box

2011-01-12 Thread Fernando Gomes
On Wed, Jan 12, 2011 at 5:45 PM, Mike Holstein mikeh...@gmail.com wrote:
 i am using abogani's kernels in both maverick and natty on a testing
 machine, with great results... this is a nice guide i found when google-ing
 'ubuntu 10.10 realtime kernel' about the 6th result down...
 http://jackschnippes.freeunix.net/index.php/2010/11/04/lowlatency-kernel-and-realtime-kernel-for-ubuntu-10-10-maverick
 the -lowlatency kernel in natty is even working very well with my firewire
 device...

Hi Mike

I was trying to get the files from the guide you refer, but for the
low latency 64 bit the links are not working:

http://ppa.launchpad.net/abogani/ppa/ubuntu/pool/main/l/linux-lowlatency/linux-headers-2.6.36-1-lowlatency_2.6.36-1.7~ppa2_amd64.deb
http://ppa.launchpad.net/abogani/ppa/ubuntu/pool/main/l/linux-lowlatency/linux-image-2.6.36-1-lowlatency_2.6.36-1.7~ppa2_amd64.deb

I've browsed the abogani ppa and there are only 2.6.37 kernels
(Natty). If I try to use them I have unresolved dependencies:

Depends: linux-headers-2.6.37-11  but it is not installable

Where can I find the  linux-headers-2.6.37-11 to add in order to solve
these dependencies on Maverick?

Best regards

Fernando

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Re: Fernando's suggestions on the US-122

2011-01-10 Thread Fernando Gomes
On Mon, Jan 10, 2011 at 6:03 AM, Casey Forslund cforsl...@gmail.com wrote:

 Thanks Fernando on your interest  comments:

 Your suggestion to run: sudo ln -s /usr/share/alsa/firmware/usx2yloader
 /lib/firmware/usx2yloader is something I haven't tried... I'll do that and
 see what happens, as it seems that I have everything in place - my computer
 just can't load the drivers I installed  or find where they are? I will be
 at home tomorrow, so will be able to try this and then let y'all know if it
 worked or not.


Hi Casey

If you don't create a link using that command you will get a file not found
or similar error, please let me know if this fix your problem

Best regads

Fernando
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Re: Chiming in on the 'cheap-usb-audio-interface' conversation

2011-01-08 Thread Fernando Gomes
Hi

As I posted yesterday, I had a Tascam US122 until a week ago, and it
worked flawlessly with every UbuntuStudio distributions I've used (at
least from 8,xx until the 10.xx). I had other problems with RT kernels
and my hardware configuration, but not with the tascam. Unfortunatly I
don't have it now, and I also have losted the information that I have
compiled about its installation to put in an article on
www.openstudio.info. I'll try to get at least some info from my last
installation from the history command, but I can say that it was
almost using the link already posted:

https://help.ubuntu.com/community/TASCAM_US-122

From what I remember (I'm not in my home studio PC right now and I'll
confirm it later), I've used a more recent alsa firmware, I think it
was this version:

ftp://ftp.alsa-project.org/pub/firmware/alsa-firmware-1.0.23.tar.bz2

Then, on step 6 you should use the second option, replacing the
002/003 by the results you get from lsusb:

# sudo fxload -s /path/to/ld2-ezusb.hex -I
/usr/share/alsa/firmware/usx2yloader/us122fw.ihx -D
/dev/bus/usb/002/003

Also in step 7 you should do first this command to create a link
because the files are not in the place the program is expecting:

# sudo ln -s /usr/share/alsa/firmware/usx2yloader /lib/firmware/usx2yloader

I suppose that the sugested udev integration is being deprecated, but
it works at least for now.

I didn't change the default soundcard because I select it in jack

Once I can retreive the history information from my homestudio PC I'll
make the necessary corrections. Can you tell us what is not working
during your tascam us122 installation?

Best regards

Fernando


On Sat, Jan 8, 2011 at 11:48 AM, Hartmut Noack zettber...@linuxuse.de wrote:

 Am 08.01.2011 07:30, schrieb Casey Forslund:

 Hey all,

 I am a newbie with Ubuntu (1yr): I've been running 10.04 Lucid (studio)
 lately and I've been blown away at how tough it has been to find a soul out
 there who has the skills of knowledge to troubleshoot or problem solve
 getting my Tascam US-122 (which is a device that fits the exact description
 of the topic I'm replying to) to work with Ubuntu. I have read EVERY posting
 on the forums, official and unofficial, got a hold of some VERY
 knowledgeable and extremely helpful Ubuntu veterans, but my US-122 is still
 dead in the water. I'm just wondering if any of you wants to have mercy on
 me and see if you can come up with any options I can pursue. I guess the
 second part of this message is that if no one out there can help me, don't
 buy a tascam US-122, as I have spent (genuinely) over 30 hours of my time
 trying to get this thing to even blink, to no avail.

 Did you followed this one:

 http://alsa.opensrc.org/index.php/Tascam_US-122

 ?

 If so, and it still doeas not work, I would consider to switch to a different 
 Linux Distro. I have seen this particular interface working perfectly well 
 under Debian, 64Studio, Suse and even Gentoo...

 Nonetheless you should try to make Ubuntu Studio working first.

 Also Pulse Audio could be a hindrance. PA does not work very well with 
 devices that do not fit in the typical desktop/office audio type of thing. So 
 I am quite sure, that you device can work best after installing/configuring 
 alsa-firmware-loader and running it with jack using qjackctl.

 best regs

 HZN


 From a noob's (very
 limited) perspective, I am quite disappointed in the Studio version of
 Ubuntu, as it hasn't been able to work with my hardware, even after tons of
 homework, consulting, trial and error etc.




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Re: Chiming in on the 'cheap-usb-audio-interface' conversation

2011-01-08 Thread Fernando Gomes
On Sat, Jan 8, 2011 at 4:34 PM, Mike Holstein mikeh...@gmail.com wrote:
 On Sat, Jan 8, 2011 at 7:31 AM, Fernando Gomes f.m.go...@gmail.com wrote:

 Hi

 As I posted yesterday, I had a Tascam US122 until a week ago, and it
 worked flawlessly with every UbuntuStudio distributions I've used (at
 least from 8,xx until the 10.xx). I had other problems with RT kernels
 and my hardware configuration, but not with the tascam. Unfortunatly I
 don't have it now, and I also have losted the information that I have
 compiled about its installation to put in an article on
 www.openstudio.info. I'll try to get at least some info from my last
 installation from the history command, but I can say that it was
 almost using the link already posted:

 https://help.ubuntu.com/community/TASCAM_US-122

 From what I remember (I'm not in my home studio PC right now and I'll
 confirm it later), I've used a more recent alsa firmware, I think it
 was this version:

 ftp://ftp.alsa-project.org/pub/firmware/alsa-firmware-1.0.23.tar.bz2

 Then, on step 6 you should use the second option, replacing the
 002/003 by the results you get from lsusb:

 # sudo fxload -s /path/to/ld2-ezusb.hex -I
 /usr/share/alsa/firmware/usx2yloader/us122fw.ihx -D
 /dev/bus/usb/002/003

 Also in step 7 you should do first this command to create a link
 because the files are not in the place the program is expecting:

 # sudo ln -s /usr/share/alsa/firmware/usx2yloader
 /lib/firmware/usx2yloader

 I suppose that the sugested udev integration is being deprecated, but
 it works at least for now.

 I didn't change the default soundcard because I select it in jack

 Once I can retreive the history information from my homestudio PC I'll
 make the necessary corrections. Can you tell us what is not working
 during your tascam us122 installation?

 Best regards

 Fernando


 On Sat, Jan 8, 2011 at 11:48 AM, Hartmut Noack zettber...@linuxuse.de
 wrote:
 
  Am 08.01.2011 07:30, schrieb Casey Forslund:
 
  Hey all,
 
  I am a newbie with Ubuntu (1yr): I've been running 10.04 Lucid (studio)
  lately and I've been blown away at how tough it has been to find a soul
  out
  there who has the skills of knowledge to troubleshoot or problem solve
  getting my Tascam US-122 (which is a device that fits the exact
  description
  of the topic I'm replying to) to work with Ubuntu. I have read EVERY
  posting
  on the forums, official and unofficial, got a hold of some VERY
  knowledgeable and extremely helpful Ubuntu veterans, but my US-122 is
  still
  dead in the water. I'm just wondering if any of you wants to have mercy
  on
  me and see if you can come up with any options I can pursue. I guess
  the
  second part of this message is that if no one out there can help me,
  don't
  buy a tascam US-122, as I have spent (genuinely) over 30 hours of my
  time
  trying to get this thing to even blink, to no avail.
 
  Did you followed this one:
 
  http://alsa.opensrc.org/index.php/Tascam_US-122
 
  ?
 
  If so, and it still doeas not work, I would consider to switch to a
  different Linux Distro. I have seen this particular interface working
  perfectly well under Debian, 64Studio, Suse and even Gentoo...
 
  Nonetheless you should try to make Ubuntu Studio working first.
 
  Also Pulse Audio could be a hindrance. PA does not work very well with
  devices that do not fit in the typical desktop/office audio type of thing.
  So I am quite sure, that you device can work best after
  installing/configuring alsa-firmware-loader and running it with jack using
  qjackctl.
 
  best regs
 
  HZN
 
 
  From a noob's (very
  limited) perspective, I am quite disappointed in the Studio version of
  Ubuntu, as it hasn't been able to work with my hardware, even after
  tons of
  homework, consulting, trial and error etc.
 
 
 
 
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 casey... i have one the tascam USB us-122L interfaces. i also could not make
 the device work in 10.04. this interface was given to me, and i dont really
 *need* to use the interface (i have several other small USB interfaces and a
 presonus firepod as my main interface). in my opinion, i wouldnt lose any
 sleep over getting that interface working. i did try the thing out in OSX,
 and the preamps are just OK. in my experience, USB devices can sometimes
 pick up as much electrical interference as internal sound cards on laptops.
 i have mine setting around in a pile of things to photograph and put on
 ebay/craigslist... im not saying you *cant* get it working, its obvious that
 you can, but when you can get devices like
 the http://www.sweetwater.com/store/detail/SaffirePro40
 or a used presonus firepod/FP10

Re: cheap usb-audio-interface

2011-01-07 Thread Fernando Gomes
I bought recently a AllenHeath ZED10 mixer with USB interface, and it is a
very nice mixer and audio interface - it has 4 mic inputs, two of them can
be used as DI for guitars (high impedance inputs) and has an amazing routing
capability. It costed me 177 EUR. It works perfectly with UbuntuStudio and
Windows7 without installing any driver. Before having this mixer I had a
Tascam US122 audio interface, it was nice but had some compatibility
problems with recent Windows versions (Vista and 7) and the quality with
phantom power was not so good, that is why I used it with a Behringer MIC800
preamplifier with phantom power.

Best regards

Fernando

On Fri, Jan 7, 2011 at 9:30 PM, Roy Damen royda...@gmail.com wrote:

 Hello Martin, i bought a behringer u-202(n...@home,i think this is the type
 ) usb audio device for Christmas for myself. Behringer has good inside
 quality with saving on the housing, which means cheap. It has a max of
 48kHz, but worked out of the box with pulseaudio, digital output, jack and
 alsa in a better way than the onboard card(alc888). Even the soundquality is
 better than the onboard @ 48kHz. The funny thing is that it costed 27 Euro's
 incl shipping and it is a very small high quality device, Check your local
 dealer or the Behringer site for this soundcard with line in/out spdif-out
 and usb, i say the price/quality is pretty amazing for a small device like
 this,!

 2011/1/7 mentoj dija mentoj_d...@gmx.de

 hey there,

 does somebody know a cheap, small usb-audio-interface, which works out of
 the box with Ubuntu? just with one or two mic-inputs and a headphone-out.
 maybe with midi-in and -out. very basic one!

 i don't care if it is only available second hand on ebay...

 cheers

 martin

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Re: Alessio's PPA Natty - 2.6.37-11.25~ppa1 - OK

2011-01-05 Thread Fernando Gomes
Sorry for this newbie question, the Alessio PPA kernel should be tested on
Natty Alpha 1? So to test it I should install Natty Alpha 1 and then install
Alessio PPA low-latency kernel?
I am willing to test it, just to be sure that this is the way to do it ;-)

Best regards

Fernando

On Wed, Jan 5, 2011 at 12:13 PM, Asmo Koskinen asmo.koski...@arkki.infowrote:

 04.01.2011 22:58, ailo kirjoitti:


  Asmo, did you have to do any fixes to get firewire working, at all?


 No. I'm away next few days, I'll check more next week.

 Best Regards Asmo Koskinen.


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Re: minimal distribution - maximum sound??

2010-12-18 Thread Fernando Gomes
Yes, Puppy Studio fly on any hardware! The problema as with other RT kernels
is the compatibility, in my home studio PC the network fails after some time
with Puppy. Their maintainers were quite helpfull, but the problem wasn't
solved, so I went back to UbuntuStudio (now with the 10.10 without RT
kernel). It has noticable extra weight, but it is working ;-)

Fernando

On Sat, Dec 18, 2010 at 8:12 AM, Lars-Erik Helander leh...@gmail.comwrote:

 The distro that fit your needs best would be Puppy Studio. It's basically a
 Puppy Linux platform with Ubuntu Studio packages and most important it has
 an RT-kernel.

 You can find it thru the Puppy Linux forum

 http://www.murga-linux.com/puppy/viewtopic.php?t=60483
 http://www.murga-linux.com/puppy/viewtopic.php?t=60483

 http://www.murga-linux.com/puppy/viewtopic.php?t=60483Hope this helps

 /Lars

 2010/12/17 kirko birilli whyshen...@yahoo.co.uk

 hi there,

 i would like to know if somebody got experience with running audio apps on
 a small as possible distro tailor made for your own machines.i install
 usually the whole lot and then just try to get things done.a friend of mine
 uses his old laptop as kind of tekkno instrument.he got his sounds together
 with pure data and uses the keyboard as kind of piano.he still got windoze
 xp on it and i wonder if that doesn´t eat lots of power he could better use
 for audio tasks.
 so what are you doing to get the maximum out of your machines and is it
 possible just to get a minimal install something like tiny core with 10mb
 and add the rest after?
 i have got loads of old laptops around and would like to get them
 swinging.any suggestions?
 cheers
 shen


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My first email in this list

2010-10-31 Thread Fernando Gomes
Hi all

I'm a subscriber for the ubuntustudio user mailinglist for some years, but
now I want to return all the effort you made on this distribution by
contributing to it, so I've started by subscribing to the developers list. I
have also professional interest on real-time applications (not multimedia,
but in process control), I'm thinking of using Linux with Ingo Molnar
RT_PREEMPT patch also for control applications, so I can work in this area
if you need some cooperation. As I say above, I don't have experience with
this kind of kernel, in the past I only did some patching (RT_PREEMPT) of
the generic kernels, changed some kernel options, generate new rt kernels
and made some test using cyclictest (to evaluate worst case latency and
system behavior), but I'm willing to learn and to help, so if you are
interested please let me know.

FYI, I've just finished installing ubuntustudio 10.10, with the generic
kernel

Best regards

Fernando
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Re: Motherboard compatibility - AMD

2010-07-29 Thread Fernando Gomes
I'm thinking of upgrading my Ubuntu Studio PC, and to avoid all the problems
I had with the current one (lock or slow mouse on a setup based on an MSI
7312 motherboard), can you recommend a 'working' setup (specially the
motherboard, due to all the known ACPI problems with the RT kernels)? I
intend to upgrade my current setup (MSI board) with an ASUS motherboard
with a Athlon II CPU. Some of the motherboards I've identified are:

ASUS M2N68-AM PLUS - NVIDIA nForce 630a + Geforce 7025 GPU

Asus M4A785D-M Pro - AMD 785G chipset

ASUS M4A785TD-M EVO - AMD 785G chipset

Any of you have any of these boards working with Ubuntu Studio (with RT
kernel)? I also had a previous PC with the AMD780G chipset and had similar
problems with the RT kernel, that was the reason to change to the one I have
now (with the MSI7312 motherboard, using the K9MM-V chipset), but still have
almost the same issues - freezing after boot, mouse getting very slow after
some seconds / minutes of use, etc. Or can you suggest any other known
working setup?

Thanks!

Fernando

On Mon, May 10, 2010 at 8:10 AM, laurent.bellegarde 
laurent.bellega...@free.fr wrote:

 Hi all,

 nice to see that you have found a solution for your install.

 I'll keep your excellents tests infos for all the futur users.

 Thank's,

 Laurent
 lprod.org

 Fernando Gomes wrote:
  I've used the article https://wiki.ubuntu.com/DebuggingACPI to try to
  debug the ACPI problem, and the results were the following:
 
  acpi=off - Working, as I told in the previous email
  acpi=ht - Also working
  pci=noacpi - Also working
  acpi=noirq - Also working
  pnpacpi=off - This is the only one that keep the same problems (slow
  mouse, etc.)
  noapic - Working
  nolapic - Working
 
  So, only the pnpacpi=off has the previous problems. The only
  conclusion I can get is that the problem is not related to the plug
  and play code, but I can't figure from the previous results how to
  narrow down the problem, since every other variant works.
 
  It also seems that using nolapic I have more processing reported by
  the jack control (always using the same applciations open and playing
  the same drum track on hydrogen, I have a value between 2.2% and 2.5%
  with all the ACPI options except with nolapic where the values are
  between 2.6% and 3%
 
  Fernando
 
  On Sat, May 8, 2010 at 11:37 PM, Fernando Gomes f.m.go...@gmail.com
 wrote:
 
  Hi all and thanks for the tips. The problem seems to be solved (at
  least until now) using the option acpi=off. I'm writing this message
  on the rt kernel on the same machine that locked up only a few moments
  after booting, now it is working for about one hour, running jack,
  ZynAddSubFx, Rosegarden, Hydrogen and Rackarrack. Once again thanks
  for your advice.
  I've tried to look for a newer bios version for this board but I'm
  already using the latest version. How this acpi=off option will impact
  on the system performance? I will make some more tests using
  alternative acpi configurations tomorrow and I'll let you know the
  results.
 
  Best regards
 
  Fernando
 
  On Sat, May 8, 2010 at 2:07 PM, Scott Lavender 
 scottalaven...@gmail.com wrote:
 
  On Sat, May 8, 2010 at 5:44 AM, Roy Damen royda...@gmail.com wrote:
 
  Dear John,
 
  On my machine i had a similar problem with rt. After more than 1,5
 year of
  searching, trying out and lots of help with explanation on the
 ubuntuforums
  i discovered that it was this BIOS setting that must be turned off:
 IOAPIC
  It seems that ubuntu can manage  this by itself(if i understood
 correctly) I
  bet this solves your problem too!
 
  2010/5/7 jONE producjo...@gmail.com
 
  Hi Fernando I've got an AMD Athlon 64 X2 4000+ processor too and had
  problems with the RT kernel since I first installed 8.04 onwards. I
 tried
  pretty much everything until a few days ago, when I simply loaded
 optimized
  settings on my BIOS and believe it or not, no mouse delay and no
 hanging at
  all. My hammerfall soundcard's delay 10ms recording 16channels. I
 honestly
  don't know what setting in the BIOS messed it up since optimized
 settings
  or default settings options don't specify much and I've tweaked the
 thing
  so many times I lost track of what the original setting was! Maybe
 give that
  a try?
  Good luck!
 
  John
 
  I remember several years ago there were some problems with peoples
 systems
  acting sluggish or freezing with the -rt kernel during Hardy.  If I
 remember
  correctly it had to do with acpi, although I cannot find any of those
 emails
  on the mailing list.
 
  However, I did find a Ubuntu Studio review by Dave Phillips that also
  mentions the acpi situation:
 
 http://www.linuxjournal.com/content/judgement-day-studio-dave-tests-ubuntu-studio-904
 
  Also, this 64Studio forum posts discusses it a little more:
  http://www.64studio.com/node/
 
  Hope this helps.
 
  ScottL
 
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Re: Motherboard compatibility - AMD

2010-07-29 Thread Fernando Gomes
Hi Ralf, thanks for your reply! I would try with a PS2 mouse, my doubt is
because I'm also using a USB audio interface, so I think that the USB
problem might affect also the audio interface (but as far as I remember it
keeps working even when mouse starts to get slow, but I'm not sure). Also
have some network timeouts from time to time...
As you say, this is a problem of all the things work together (the
motherboard, bios version and linux rt version must match), this is why I
was looking for a MB with integrated graphics that was known for working
with the current Linux RT kernel ... That way the only difference I will
have is the audio interface (I'm using a Tascam 122 usb sound module).
Buying a third motherboard to see it doesn't work with ubuntu studio will be
to much - specially to justify it to my wife :-)
Im looking to ASUS because they have good motherboards and normally they
have frequent bios updates (this should also be true for MSI, but
unfortunatly not with the one I'm using). The BIOS of my current MSI boards
misses many setup options and features.

Fernando

On Thu, Jul 29, 2010 at 11:37 AM, Ralf Mardorf
ralf.mard...@alice-dsl.netwrote:

 On Thu, 2010-07-29 at 10:36 +0100, Fernando Gomes wrote:
  freezing after boot, mouse getting very slow after some seconds /
  minutes of use, etc. Or can you suggest any other known working setup?

 Sometimes issues are caused by a HDD near to the end of its lifetime.
 The HDD seems to be ok, but there are strange issues for X.

 Do you use PS/2 or USB for mouse and keyboard? Perhaps you only need to
 switch to PS/2, for your current board.


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Re: Motherboard compatibility - AMD

2010-05-09 Thread Fernando Gomes
I've used the article https://wiki.ubuntu.com/DebuggingACPI to try to
debug the ACPI problem, and the results were the following:

acpi=off - Working, as I told in the previous email
acpi=ht - Also working
pci=noacpi - Also working
acpi=noirq - Also working
pnpacpi=off - This is the only one that keep the same problems (slow
mouse, etc.)
noapic - Working
nolapic - Working

So, only the pnpacpi=off has the previous problems. The only
conclusion I can get is that the problem is not related to the plug
and play code, but I can't figure from the previous results how to
narrow down the problem, since every other variant works.

It also seems that using nolapic I have more processing reported by
the jack control (always using the same applciations open and playing
the same drum track on hydrogen, I have a value between 2.2% and 2.5%
with all the ACPI options except with nolapic where the values are
between 2.6% and 3%

Fernando

On Sat, May 8, 2010 at 11:37 PM, Fernando Gomes f.m.go...@gmail.com wrote:
 Hi all and thanks for the tips. The problem seems to be solved (at
 least until now) using the option acpi=off. I'm writing this message
 on the rt kernel on the same machine that locked up only a few moments
 after booting, now it is working for about one hour, running jack,
 ZynAddSubFx, Rosegarden, Hydrogen and Rackarrack. Once again thanks
 for your advice.
 I've tried to look for a newer bios version for this board but I'm
 already using the latest version. How this acpi=off option will impact
 on the system performance? I will make some more tests using
 alternative acpi configurations tomorrow and I'll let you know the
 results.

 Best regards

 Fernando

 On Sat, May 8, 2010 at 2:07 PM, Scott Lavender scottalaven...@gmail.com 
 wrote:

 On Sat, May 8, 2010 at 5:44 AM, Roy Damen royda...@gmail.com wrote:

 Dear John,

 On my machine i had a similar problem with rt. After more than 1,5 year of
 searching, trying out and lots of help with explanation on the ubuntuforums
 i discovered that it was this BIOS setting that must be turned off: IOAPIC
 It seems that ubuntu can manage  this by itself(if i understood correctly) I
 bet this solves your problem too!

 2010/5/7 jONE producjo...@gmail.com

 Hi Fernando I've got an AMD Athlon 64 X2 4000+ processor too and had
 problems with the RT kernel since I first installed 8.04 onwards. I tried
 pretty much everything until a few days ago, when I simply loaded 
 optimized
 settings on my BIOS and believe it or not, no mouse delay and no hanging 
 at
 all. My hammerfall soundcard's delay 10ms recording 16channels. I honestly
 don't know what setting in the BIOS messed it up since optimized settings
 or default settings options don't specify much and I've tweaked the thing
 so many times I lost track of what the original setting was! Maybe give 
 that
 a try?
 Good luck!

 John

 I remember several years ago there were some problems with peoples systems
 acting sluggish or freezing with the -rt kernel during Hardy.  If I remember
 correctly it had to do with acpi, although I cannot find any of those emails
 on the mailing list.

 However, I did find a Ubuntu Studio review by Dave Phillips that also
 mentions the acpi situation:
 http://www.linuxjournal.com/content/judgement-day-studio-dave-tests-ubuntu-studio-904

 Also, this 64Studio forum posts discusses it a little more:
 http://www.64studio.com/node/

 Hope this helps.

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Re: Motherboard compatibility - AMD, Intel

2010-04-29 Thread Fernando Gomes
On Thu, Apr 29, 2010 at 8:39 PM, laurent.bellegarde
laurent.bellega...@free.fr wrote:
 Hi Fernando

 I'm a bit suprised about your troubles.

 Here, all the team have never met a AMD based motherboard, and more an
 Athlon64 x2 one which wasn't working with Ubuntu Studio !!!

 What is exactly your problem ?

 I'm sure there is a solution to fix...

 Does your computer work with a live Ubuntu CD ?

 You can install Ubuntu with a live CD and then upgrade your hard disk
 installation by using Internet and asking for all Ubuntu studio packages.

 For material, few things,

 The best motherboards are Asus and MSI.

 Asrock is a trademark of Asus, but with lower quality, usually, not very
 solid.

 Celeron even in dual core, are very very slower than AMD Athlon 64 x2
 processors for multimedia uses under GNU/Linux...

 If you still want to buy and Intel plateform, you should take a
 motherboard from ASUS + Core2 Duo or better.

 The best quality/performances/price is AMD.

 Hope it helps,

 Laurent
 lprod.org

 Le 26/04/2010 13:14, Fernando Gomes a écrit :

Hi Laurent

Thanks for your answer! The PC I'm trying to use has an MSI
motherboard, I'll check its model and the processor installed
tomorrow. Since there is a final ubuntu 10.04 version now, I'll try to
install it and if it works I'll then install the ubuntustudio packages
as you suggested. With previous ubuntustudio versions there were
lockups during boot if using the realtime kernel. I have best results
downloading the standard kernel, applying the rt patch to it, compile
it and install it, but also had some stability issues (some freezes
from time to time). I'll try with this new version and I'll let you
know

Best regards

Fernando


 Hello all!

 I've changed my system due to compatibility problems with
 ubuntustudio, but still have similar problems with the new one. Both
 have Athlon 64 x2 processors, one has a MSI motherboard, other an
 Elite motherboard. With the current 10.04 release (not final) I have
 also similar problems (it doesn't even boot this time, after
 installing the OS). I remember a previous discussion recommending the
 use of Intel processors. So it seems I have to change my motherboard
 and CPU again, now for an Intel :-(

 What are your recommendations for an inexpensive Intel based
 configuration, able to run Ubuntustudio? It must be inexpensive, it
 will be my third motherboard and CPU for my homestudio, if it isn't
 inexpensive my wife will kill me :-)

 I've saw some inexpensive motherboard+cpu bundles, with an ASROCK
 G31M-S motherboard and an Intel E3300 CPU, do you think this dual core
 celeron has enough power to have some realtime effects running well
 (p.e. rackarrack)? And with this hardware should I expect some
 compatibility issues with ubuntustudio?

 Thanks and best regards

 Fernando




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Motherboard compatibility - AMD, Intel

2010-04-26 Thread Fernando Gomes
Hello all!

I've changed my system due to compatibility problems with
ubuntustudio, but still have similar problems with the new one. Both
have Athlon 64 x2 processors, one has a MSI motherboard, other an
Elite motherboard. With the current 10.04 release (not final) I have
also similar problems (it doesn't even boot this time, after
installing the OS). I remember a previous discussion recommending the
use of Intel processors. So it seems I have to change my motherboard
and CPU again, now for an Intel :-(

What are your recommendations for an inexpensive Intel based
configuration, able to run Ubuntustudio? It must be inexpensive, it
will be my third motherboard and CPU for my homestudio, if it isn't
inexpensive my wife will kill me :-)

I've saw some inexpensive motherboard+cpu bundles, with an ASROCK
G31M-S motherboard and an Intel E3300 CPU, do you think this dual core
celeron has enough power to have some realtime effects running well
(p.e. rackarrack)? And with this hardware should I expect some
compatibility issues with ubuntustudio?

Thanks and best regards

Fernando

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Re: ubuntu studio on a netbook?

2009-12-24 Thread Fernando Gomes
Yes, the SSD might start to have problems earlier, and also the SSD
writing speed is limited. But now most of the Netbooks have a standart
HDD, so this might not be a problem, at least for the majority of the
Netbook owners. I am curious about the processing capability to use as
a home studio PC, but never tried. I have at home two netbooks, but
one has SSD (Acer Aspire One) and the other is my wife Netbook, so I
can't touch it ;-)
I'm using an Energy Efficient Athlon 64 x2 running at 2200MHz, I have
no processing power problems, but I think that it might be too much
for an Atom. But Teza has good results with the Asus 1005HA, so I got
curious to make a test when I have time :-)

Best regards and Happy Christmas!

Fernando


On Thu, Dec 24, 2009 at 11:12 AM, Ricardo Lameiro
ricardolame...@gmail.com wrote:
 I am not sure abaut this, but I ear somewhere that using intensively the
 solidstate HD can destroy some sectors. so working in audio could damage the
 SolidState HD. If you have a normal hard drive i think it is ok.
 Please if I am wrong someone correct me.

 Ricardo

 2009/12/24 teza tsalio...@orange.fr

 Hi, I'm running UbunuStudio 9.1O on my Asus 1005HA netbook without any
 troubles at all, can play guitar with Raccarrack, guitarix and record
 with Ardour, I can use my usb sound card M audio Fast Track with it
 running Jack.
 regards
 Teza.


 ///:://..
 Atom Smasher a écrit :
  aside from a smaller screen, are there any concerns about running
  ubuntu-studio on a netbook?
 
  thanks...
 
 
 




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Re: recording vocals

2009-10-09 Thread Fernando Gomes
On Fri, Oct 9, 2009 at 3:25 PM, sandie san...@sandgreen.dk wrote:
 teza wrote:
 Hi ,Sandie, just a question, what will be your choice between Hardy and
 Jaunty 32 bits, for my point of view I will choose the Hardy, but I
 never use Jaunty 32 bits. Is there any troubles with rt kernel in
 Jaunty?
 Thanks for your help.

 Regards from Paris (France)
 Teza


 Someone told me (I think it was on this list), that it's a bad idea to
 use Hardy if you also use the same pc for internet, something about
 security ?

 I had some strange problems with the propriotary ATI driver and
 rt-kernel on Jaunty, and my husband's almost identical pc had no problems.
 Imho... I think the best solution wound be to find an old disk and take
 it for a test-drive.

 btw. why not try Karmic instead of Jaunty ?

 Regards from Demnark :-)
 Sandie

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Hi Teza and Sandie

My PC doesn't even boot with 8.10 and 9.04 rt kernels, but works very
well with 8.04 and also works (more or less) with 9.10 beta. I built
custom rt kernels for 8.10 and 9.04 to be able to make them work on my
hardware (AMD 780G chipset with a Athlon 64 X2 processor). Never
managed to run the proprietary ATI drivers with the rt kernels thow,
even on the new 9.10 beta (you can see my results at
http://openstudio.info). The ATI proprietary driver work with every
version with non rt kernels on the same hardware (I didn't test it yet
with the 9.10 beta not realtime).  I still have some freezes with 9.10
with its rt kernel, no freezes using 8.04 with its rt kernel nor using
any of the custom built rt kernels (nor using non rt kernels from any
of these versions). So I I'll put my effort on having a stable 9.10
system with its rt kernel (32 bit, since I'll only have 2GB RAM, I
have no advantage on having a 64 bit OS).

Regards from Portugal!

Fernando

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Re: Re: recording vocals

2009-10-09 Thread Fernando Gomes
On Fri, Oct 9, 2009 at 5:15 PM,  beej...@gmail.com wrote:
 On Oct 9, 2009 11:05am, Fernando Gomes f.m.go...@gmail.com wrote:
 On Fri, Oct 9, 2009 at 3:25 PM, sandie san...@sandgreen.dk wrote:




 Hi Teza and Sandie



 My PC doesn't even boot with 8.10 and 9.04 rt kernels, but works very

 well with 8.04 and also works (more or less) with 9.10 beta. I built

 custom rt kernels for 8.10 and 9.04 to be able to make them work on my

 hardware (AMD 780G chipset with a Athlon 64 X2 processor). Never

 managed to run the proprietary ATI drivers with the rt kernels thow,

 even on the new 9.10 beta (you can see my results at

 http://openstudio.info). The ATI proprietary driver work with every

 version with non rt kernels on the same hardware (I didn't test it yet

 with the 9.10 beta not realtime).  I still have some freezes with 9.10

 with its rt kernel, no freezes using 8.04 with its rt kernel nor using

 any of the custom built rt kernels (nor using non rt kernels from any

 of these versions). So I I'll put my effort on having a stable 9.10

 system with its rt kernel (32 bit, since I'll only have 2GB RAM, I

 have no advantage on having a 64 bit OS).



 Regards from Portugal!



 Fernando



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 I was under the impression that the proprietary drivers were never updated
 by ATI ever since a somewhat workable free driver became available. Which
 put a lot of people in a bad spot because the free driver is not quite
 up-to-speed yet, and many users found that they're 3D rendering was really
 bad and there was no easy fix (I think that the proprietary drivers CAN be
 used with 9.04, but not without a lot of work). As far as I know, Hardy was
 the last system which had a truly working proprietary ATI driver.

 This article covers the issue:

 http://blogs.computerworld.com/the_ubuntu_and_ati_blues
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Yes, I had the ATI driver working on the 9.04 (non rt) after manually
installing it - I didn't remember exactly the process to do it, but it
worked (this is why now I'm logging my work on openstudio.info, this
way I have a memo of what I have done and can be also usefull to
others). I didn't managed to use the ATI proprietary drivers with the
rt kernel (I had to boot using the non rt kernel, change to the free
driver and boot again the rt kernel). The problem for me with the free
driver is that it is TERRIBLY SLOW... When I have a full screen
refresh I can see it being refreshed from top to bottom. With the ATI
driver (catalyst) it is very fast.

If you have some tips on how to use the proprietary drivers with the
rt kernel, please let me know ;-)

Fernando

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Re: recording vocals

2009-10-05 Thread Fernando Gomes
Hi Jason

I'm using a M-Audio Nova mic (about $100), connected to the Tascam
US-122 USB audio interface. I've recently added the Behringer MIC800
modeling preamp, but haven't made any real test with it. I like the
sound with the M-Audio Nova + Tascam US122 combination the problem for
me is that the US122 phantom power is a bit tricky (the second input
channel has noise when I turn on the phantom power for powering the
mic)... Of course everything is working on Ubuntu Studio (9.10 Beta at
the moment, as I posted yesterday to the list).

If you need any additional details please feel free to ask me!

Fernando

On Mon, Oct 5, 2009 at 6:51 AM, Jason M. Christos
technologyja...@gmail.com wrote:
 what is good microphone in the $200 range to record vocals that is
 compatible with ubuntu studio? I would prefer to hear from someone who has
 actually used the combination to record vocals, thanks in advance

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Re: recording vocals

2009-10-05 Thread Fernando Gomes
On Mon, Oct 5, 2009 at 5:20 PM,  beej...@gmail.com wrote:
 On Oct 5, 2009 12:51am, Jason M. Christos technologyja...@gmail.com
 wrote:
 what is good microphone in the $200 range to record vocals that is
 compatible with ubuntu studio? I would prefer to hear from someone who has
 actually used the combination to record vocals, thanks in advance

 --
 - Jason M. Christos
 http://www.google.com/profiles/Jason.Christos


 I highly recommend the Studio Projects B3 microphone. For its price (around
 $150 on-line) it is easily one of the best sounding large-diaphragm
 condenser microphones out there.

 My set-up for this is:

 Mic  Audio Interface w/ built-in preamps (Presonus Firepod)  Computer
 (Currently running Hardy)

 As others have mentioned, you will need to have phantom power in order to
 use condenser microphones. Which means either your soundcard or interface
 needs to supply the power, or you'll want to have a dedicated pre-amp.

 Finally, once again, it seems we have all forgotten that we are supposed to
 be writing at the BOTTOM of posts when replying, not at the top. Thanks!
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Sorry about the top posting in my previous email :-)
It was my mistake, sorry!

Regarding the phantom power, my USB interface (Tascam US122) has
problems when the phantom power is on, and it is also known for
'burning' the internal phantom power supply if we disconnect the
microphone with the phantom power on... This was also reported for
other USB interfaces, but I can't remember the other that had the same
problems. So I think the better way might be to have a dedicated mic
preamp with phantom power, an internal soundcard, or a firewire audio
interface (any of these can have decent power supplies, the usb audio
interfaces with phantom power have a more difficult task since they
are powered by the USB interface, so they have limited power
capability). As I told before, mine works well, with two exceptions: I
can't use the other input channel (I usually use it for the guitar)
while I have the phantom power on, because it has high noise with the
phantom power on, and I have to be careful to not disconnect the mic
while having the phantom power on. Other more recent usb audio
interfaces might be better, maybe someone can recommend you one that
works well on Ubuntustudio.

Fernando

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Re: Please help test UbuntuStudio 9.10 beta ISOs.

2009-10-04 Thread Fernando Gomes
Hi

I was only today able to download the Ubuntustudio 9.10 beta to  test
it and found that the release being tested was not available to
download anymore. I've downloaded the latest daily release and
installed it. I put at the following address my first impressions:

http://www.openstudio.info/index.php?option=com_contentview=sectionlayout=blogid=5Itemid=54

Some small problems with grub and windows, with ATI graphic drivers,
but it worked with my hardware that wasn't working with previous
releases (the latest one that worked was 8.04, I was running it with
9.04 but with a custom build rt kernel)

If you want me to make any additional test, please feel free to ask.
My homestudio pc has a AMD 780G chipset and an Athlon 64 X2 processor.

Fernando

On Wed, Sep 30, 2009 at 6:32 AM, Luke Yelavich them...@ubuntu.com wrote:
 Hi all
 Its that time again, the time when the Ubuntu, and Ubuntu derivatives, 
 including Ubuntu Studio, need their beta release ISOs tested. Please go to 
 http://iso.qa.ubuntu.com to find out more about how you can help test. More 
 specifically, go to http://iso.qa.ubuntu.com/qatracker/build/ubuntustudio/all 
 to help test and track the UbuntuStudio ISO testing process. From there, you 
 will be given links to download the candidate ISOs for the UbuntuStudio beta 
 release.

 Please consider giving your time to help test this beta release.

 Thank you

 Luke

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Re: Please help test UbuntuStudio 9.10 beta ISOs.

2009-09-30 Thread Fernando Gomes
Hi

I'll be able to test the 9.10 beta during next weekend, I have a
problem running ubuntustudio 9.04 so I'm using a custom built rt
kernel (2.6.31 at this moment). I have a site where I collect some of
my experiences and notes - It's more like my log book :-) - where I
put some 'tricks' I made on my 'studio' setup, both for linux and for
music, please feel free to visit and to post your articles and
comments (you have to register for posting) at
http://www.openstudio.info, your comments and critics are welcome :-)

Fernando

On Wed, Sep 30, 2009 at 6:32 AM, Luke Yelavich them...@ubuntu.com wrote:
 Hi all
 Its that time again, the time when the Ubuntu, and Ubuntu derivatives, 
 including Ubuntu Studio, need their beta release ISOs tested. Please go to 
 http://iso.qa.ubuntu.com to find out more about how you can help test. More 
 specifically, go to http://iso.qa.ubuntu.com/qatracker/build/ubuntustudio/all 
 to help test and track the UbuntuStudio ISO testing process. From there, you 
 will be given links to download the candidate ISOs for the UbuntuStudio beta 
 release.

 Please consider giving your time to help test this beta release.

 Thank you

 Luke

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Re: Jaunty Real Time Kernel fails immediately

2009-05-07 Thread Fernando Gomes
 I have the same warning I get from Luke kernel related to nvidia in
 the postbuild script (that occurs also when I install new packeges
 using apt-get). I rebooted and it also worked well (seems similar to
 Luke kernel in the short tests I made, still didn't make any audio
 tests).

 - From what you have said, yours and Luke's (and mine for that matter)
 should be nearly identical.


Thanks Gustin!

The warning I get (both for Luke kernel and the one I built) is the following:

Updating /boot/grub/menu.lst ... done

Examining /etc/kernel/postinst.d.
run-parts: executing /etc/kernel/postinst.d/dkms
run-parts: executing /etc/kernel/postinst.d/nvidia-common
run-parts: /etc/kernel/postinst.d/nvidia-common exited with return code 20
Failed to process /etc/kernel/postinst.d at
/var/lib/dpkg/info/linux-image-2.6.29.2-rt11-fg.postinst line 1186.
dpkg: error processing linux-image-2.6.29.2-rt11-fg (--configure):
 subprocess post-installation script returned error exit status 2

I get this warning when I install the kernel and when I install some
other packages. It is related with nvidia-common, but I don't have any
nvidia hardware (chipset or graphic card) on this PC... Perhaps it can
be solved removing some option on the kernel?

Thanks again

Fernando

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Re: Jaunty Real Time Kernel fails immediately

2009-05-07 Thread Fernando Gomes

 I get this warning when I install the kernel and when I install some
 other packages. It is related with nvidia-common, but I don't have any
 nvidia hardware (chipset or graphic card) on this PC... Perhaps it can
 be solved removing some option on the kernel?

 Just reinstall the fglrx driver, or better still install the radeonhd
 driver.

I've tried to reinstall the fglrx driver and X doesn't show up with RT
kernel (works well with plain kernel)
I also tried to install the radeonhd driver but I don't know how to
activate it, is it in X configuration?

Fernando

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Re: Jaunty Real Time Kernel fails immediately

2009-05-06 Thread Fernando Gomes

 Sounds more like you've got the wrong driver set in your /etc/X11/xorg.conf

 I didn't make any nvidia specific changes.

 If you'd like to compile it, grab the source from kernel.org, apply
 ingo's rt patch, and then set the preemption to Complete and the
 Timer Freq to 1000Hz.

 --
 Luke MacNeil
 www.lukemacneil.com


An update to my previous email:

The problem I had with Luke kernel was because I was using a
proprietary driver for my Radeon HD 3200 graphic card before I install
Luke kernel and this why I have no X with this kernel, I rebooted with
the normal kernel, reverted to the  non proprietary driver,
reinstalled Luke kernel (I have removed it in the meantime) and it
works without any error or warning in the logs! This is completely
different from what happens with the ubuntustudio rt kernel, that I am
unable to use because the PC doesn't even boot, even passing nolapic
and other boot parameters.

Are there significant differences between Luke kernel and the kernel
from ubuntustudio?

Do you know if there is some possibility to use ATI proprietary
drivers with rt kernels? The graphic performance with non proprietary
drivers is a bit low, compared to the one I have with proprietary
drivers :-(

After using Luke kernel I decided to build one myself (a thing that I
had done many years ago, when it was necessary to rebuild the kernel
to support new hardware).
I've used the kernel linux-2.6.29.2.tar.bz2 and the rt patch
patch-2.6.29.2-rt11.bz2 both  from kernel.org. Then I used make
menuconfig and changed preemption to complete and timer freq to
1000Hz, accordingly with Luke's instructions.
Then I made:

make-kpkg clean
time fakeroot make-kpkg --initrd -rev mz1 kernel_image kernel_headers

After finishing building the kernel packages, I made

sudo dpkg -i linux-headers-2.6.29.2-rt11-fg_mz1_i386.deb
sudo dpkg -i linux-image-2.6.29.2-rt11-fg_mz1_i386.deb

I have the same warning I get from Luke kernel related to nvidia in
the postbuild script (that occurs also when I install new packeges
using apt-get). I rebooted and it also worked well (seems similar to
Luke kernel in the short tests I made, still didn't make any audio
tests).

Is this the correct way for building a new kernel for Ubuntu? I
followed a Debian kernel build tutorial...

Can we have conflicts if there is some kernel update on ubuntustudio repository?

The mail is long, I'm going to stop now :-)

Fernando

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Re: Away For Now...

2009-05-04 Thread Fernando Gomes
On Wed, Apr 29, 2009 at 11:54 PM, Cory K. coryis...@gmail.com wrote:
 I've recently stepped down from Studio involvement for now (I'll tinker
 here and there) and have had some life changes that require me to be
 away from my home.

 So to help me focus on what I have to do I'm disabling various lists I'm
 on. This is sadly one. I will however still be on the -devel list.

 Have fun, be nice and get involved.

 BBL


 -Cory K.


Hi Cory

Thanks for all your work and good luck!

Fernando

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Re: Jaunty Real Time Kernel fails immediately

2009-05-03 Thread Fernando Gomes
On Tue, Apr 28, 2009 at 10:57 PM, Gustin Johnson gus...@echostar.ca wrote:
 -BEGIN PGP SIGNED MESSAGE-
 Hash: SHA1

 Luke MacNeil wrote:
 Indeed. I spend a lot of time tweaking audio packages for my own
 system. I'm sure you do to. If we can figure this out, we can probably
 be of substantial help to the project.


I've installed plain 9.04 i386 and then installed Luke rt kernel. And
the system boots without the locks during boot I get from ubuntustudio
9.04 rt kernel. The only problem I have (and is a major one, but I
didn't have time yet to look at it) is that there is an error during
the installation of Luke kernel, due to some nvidea problem (as my
system has an ATI graphic, I tried to reboot using Luke kernel even
with this error), and during boot the x doesn't start, I opened a
console and the system is working well without errors on dmesg, but I
expected to see some errors due to the graphic failure... I have to
spend some more time with this problem... Luke, can you tell us what
did you do to build your kernel? The fact of not having boot locks on
my hardware with your kernel is because it is based on a newer version
(this is a fact) or because you tweaked it somehow?
Thanks Luke, and it seems we are going in the right direction, I was
thinking already that the only way to use ubuntustudio is to change my
hardware!

Fernando

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Re: Jaunty Real Time Kernel fails immediately

2009-04-28 Thread Fernando Gomes

 Hello, mine fails immediately with ubuntustudio 9.04 (amd and i386)
 without any writes in the log files (I can boot from another ubuntu
 setup on the same pc and mount the ubuntustudio 9.04 partition to
 explore the log files).  Standard ubuntu 9.04 works very well, but if
 I install then the ubuntustudio metapackages I have the same result as
 installing from the ubuntustudio DVD. My hardware configuration is the
 following:

     * AMD Athlon(tm) 64 X2 Dual Core Processor 4400+
     * 1GB DDR2 666 RAM
     * 500 GB SATA HDD (Samsung)
     * Motherboard: Elite A780GM-A Black Edition
     * Graphics: ATI™ Radeon HD3200 graphics (Integrated in the AMD 780G 
 chipset)
     * LAN: ATHEROS L1 Gigabit Fast Ethernet NIC
     * Soundcard: TASCAM US-122 (there are other 2 soundcards onboard,
 one a IDT 92HD206 8-channel audio CODEC, the other is associated with
 the HDMI output)

 With 64Studio 3.0 beta (amd and i386) I can boot only if I pass
 nolapic in the boot options, but with ubuntustudio 9.04 I saw no
 difference in using the nolapic option. I also tried with lots of
 other boot options without any results.

 The noapic/nolapic options are usually used to work around broken BIOSs.
  Please upgrade your BIOS and try again with no extra boot options.

 I have similar hardware and I no longer use that computer for audio
 tasks.  My older 939 based 4400+ X2 works flawlessly, but the AM2 stuff
 has been nothing but a pain for me.


Hi

I have almost the latest bios, there is a newer one but the update
reason was only to support AM3 CPUs. I'll try to upgrade but it seems
to me that it won't solve the problem. Also the nolapic option only
work with 64Studio, not with UbuntuStudio. And the system is very
stable with standard Ubuntu 9.04, so it seems to be a mismatch between
the RT kernel and this hardware configuration, since it works well
with the standard kernel.

Do you have problems with AM2 platforms? With standard linux kernels
or only with RT kernels? The last RT kernel I can use in my platform
was the kernel from Ubuntu 8.04 or 64Studio 2.0, every other upgrade
doesn't work or work only disabling the LAPIC.

Do you think intel platforms work better with RT kernels? Any suggestions?

Has anyone managed to run UbuntuStudio 9.04 on a hardware platform
similar to mine?
- Elite A780GM-A Black Edition
- AMD Athlon(tm) 64 X2 Dual Core Processor 4400+

Best regards

Fernando

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Re: Jaunty Real Time Kernel fails immediately

2009-04-27 Thread Fernando Gomes
On Sat, Apr 25, 2009 at 8:39 PM, Kjel Anderson kjel.ander...@gmail.com wrote:
 Susan,

 I updated your bug report. There was someone in IRC who was having the
 same problem. Do you know what motherboard you have? This fellow on
 IRC and I had the exact same model.


Hello, mine fails immediately with ubuntustudio 9.04 (amd and i386)
without any writes in the log files (I can boot from another ubuntu
setup on the same pc and mount the ubuntustudio 9.04 partition to
explore the log files).  Standard ubuntu 9.04 works very well, but if
I install then the ubuntustudio metapackages I have the same result as
installing from the ubuntustudio DVD. My hardware configuration is the
following:

* AMD Athlon(tm) 64 X2 Dual Core Processor 4400+
* 1GB DDR2 666 RAM
* 500 GB SATA HDD (Samsung)
* Motherboard: Elite A780GM-A Black Edition
* Graphics: ATI™ Radeon HD3200 graphics (Integrated in the AMD 780G chipset)
* LAN: ATHEROS L1 Gigabit Fast Ethernet NIC
* Soundcard: TASCAM US-122 (there are other 2 soundcards onboard,
one a IDT 92HD206 8-channel audio CODEC, the other is associated with
the HDMI output)

With 64Studio 3.0 beta (amd and i386) I can boot only if I pass
nolapic in the boot options, but with ubuntustudio 9.04 I saw no
difference in using the nolapic option. I also tried with lots of
other boot options without any results.

If you want me to make any additional test please ask, I'll only be at
home in a few days but I'll make the tests then. It is working also
well with ubuntustudio 8.04 (from time to time I have a lost RTC
interrupt in the error log)

Thanks

Fernando

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Re: Jaunty RT testing

2009-04-19 Thread Fernando Gomes
Hi, I'm running ubuntustudio 8.04 and today I tried to install a
second boot with Jaunty. The normal Jaunty setup works well, not a
problem detected (didn't test it much, only used the normal office
internet applications and they were running well with the standard
kernel)). Then I installed the ubuntustudio packages (including the RT
kernel). After this step, if I try to boot using the RT kernel, it
locks during boot. The kernel is the 2.6.28-3-rt, the last message
during boot is:

[0.392000] io scheduler cfq registered (default)

The same machine is working well with 8.04 and kernel 2.6.24-23-rt

The PC is a AMD Athlon(tm) 64 X2 Dual Core Processor 4400+, with 1GB
RAM and 500 GB SATA HDD (Samsung)
The motherboard is an Elite A780GM-A Black Edition with integrated
graphics (AMD 780G-based with ATI™ Radeon HD3200 graphics)

Do you want me to test anything else on this hardware setup?

Fernando


On Sun, Apr 19, 2009 at 8:00 PM, wayne wa...@jawnee.org wrote:

 2009/4/19 wayne wa...@jawnee.org

 On Mon, 2009-04-13 at 22:37 -0500, Brian David wrote:

 On Mon, Apr 13, 2009 at 1:49 PM, Cory K. coryis...@ubuntu.com wrote:

 beej...@gmail.com wrote:
 On Apr 13, 2009 1:07pm, Cory K. coryis...@ubuntu.com wrote:

 System-Admin-Ubuntu Studio Controls



 Believe me, I tried to use Studio Controls. Jaunty changed the
 relevant permissions file from
 /etc/udev/rules.d/40-basic-permissions.rules (which is, I believe, the
 file that Studio Controls is editing) to
 /lib/udev/rules.d/50-udev-default.rules. When I selected the
 appropriate box in Studio Controls to allow raw1394 permission, this
 did not fix my problem. I had to use the solution I mentioned in the
 earlier post. The original 40-basic-permissions.rules found in Ibex
 and Hardy is not in Jaunty.



 Please don't email me directly. ;)

 I'll have someone look at it. I seem to remember some changes that
 address what you said above. Maybe the changes didn't hit yet.



 -Cory K.

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 Oh, hey, I just remembered another small annoyance.

 For whatever reason, the new version of JACK doesn't allow me to force quit
 if JACK freezes (which is common when you're testing the settings)  Instead,
 I need to restart X now in order to get JACK turned off after a freeze,
 because I'm a noob and I'm not sure how to do it via command line.  It's not
 a huge inconvenience, and I'm not even sure it's something the Ubuntu Studio
 team can do anything about, but it would be nice if I could just force quit
 JACK like the old days.

     you can try killall jackd from the command line.  or use the
 GUI-enabled System Monitor available in the menu under
 System/Administration, at least on 8.04 Hardy UBS.

 good luck.


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 On Sun, 2009-04-19 at 20:05 +0200, Christian Masser wrote:

 Same Problem to me, but killall jackd doesn't work, but I didn't try it with
 the system monitor, thanks for the tip

 ~Christian Masser



     maybe it is not jackd that is stuck, but qjackctl, the QT gui for using
 jack?  if so, killall qjackctl.bin may work.  the nice thing about killall
 (at least on 8.04), is that after typing killall, then entering a space,
 then start typing the name of the process, you can use the Tab key (ala Bash
 command completion) to finish the process name.  when JACK freezes, check
 with killall if jackd is even running.  it may just be that qtjackctl is
 stuck, which happens to me when the underlying jackd process crashes: jackd
 dies, but qtjackctl is frozen.  also, the qtjackctl process will prob be
 qtjackctl.bin, since that pre-script pauses PulseAudio using paususpender
 before starting jackd... again, at least on 8.04.  this way, no PulseAudio
 getting in the way, while not having to totally remove it.

     hope that helps.


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Rosegargen + Fluidsynth - no sound while recording

2009-03-30 Thread Fernando Gomes
Hi

I'm trying to use Fluidsynth DSSI plugin in Rosegarden (on Ubuntu
Studio 8.04) to record some midi tracks, using my midi keyboard. I
'virtually' connect the soundcard midi (TASCAM 122) in patchage to the
midi recording input in Rosegarden and start recording on rosegarden,
I see the track being updated with my midi events (keys I press on the
midi keyboard), but I have no sound output. If I stop and replay then
I can hear all the keys that were recorded, so the fluidsynth plugin
is working. How can I hear it during recording? Or do you suggest
other configuration to do this kind of recording? Using QSynth instead
of the Fluidsynth DSSI plugin?

Thanks!

Fernando

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Re: Rosegargen + Fluidsynth - no sound while recording

2009-03-30 Thread Fernando Gomes
On Mon, Mar 30, 2009 at 9:17 AM, Asmo Koskinen asmo.koski...@arkki.info wrote:


 Fernando, can you help Edward Tyrie (edtyrie at gmail.com) to set up his
 Tascam work, he has also Tascam US-122:

 https://lists.ubuntu.com/archives/ubuntu-studio-users/2009-March/004378.html


Yes, let me get my installation notes I have at home (I only be at
home by the end of the week).

 Using QSynth instead of the Fluidsynth DSSI plugin?

 Yes, I have used that (QSynth(Fluidsynth) + Rosegarden) combination.

 Best Regards Asmo Koskinen.


And do you have QSynth sound while recording in Rosegarden using this setup?

Best regards

Fernando

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Re: Newbie question - soundcard support

2008-07-04 Thread Fernando Gomes
Thank you all! I just bought a Tascam US122 on Ebay, so I'm waiting to try
it with Linux!

Best regards

On Thu, Jul 3, 2008 at 10:45 AM, [EMAIL PROTECTED] wrote:

 On Thu, 3 Jul 2008 10:47:00 +0200 (CEST)
 [EMAIL PROTECTED] wrote:

  hello
 
  http://www.tascam.com/products/us-224.html
  it's work fine on linux system
  * input/output works
  * record, play, pause works
  * I haven't try to make works the left-part of the card (faders
  for 4 tracks) maybe they works, maybe not
 
  ciao'livier
 
 
  Salut,
  la carte fonctionne bien sur un system linux
 * les entrées/sorties fonctionnent
 * enregistrement, play, pause fonctionnent
 * Je n'ai pas essayé de faire fonctionner la partie gauche de la
  carte (les faders pour 4 pistes), peut être qu'ils fonctionnent, ou
  pas
 

 The smaller Tascam is reported to work afaik, it's similar to this one:
 http://www.tascam.com/products/us-122l.html
 The Problem is that the newer one, US-122L does not work, so if you can
 get one without the L it should be fine.
 I personally use an roland/edirol UA-25 which has about the same
 features.
 There's also an Alesis usb device that is very similar.

 If firewire is an option for you, you could try to find a small device
 that is known to work. Firewire has some benefits over usb and few
 drawbacks, like, not being available on every computer and not working
 very well with every firewire controller chipset.

 Have a look at alsa-project.org for soundcards in general, freebob.org
 and ffado.org for firewire audio devices.

 Good luck
Phil

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Newbie question - soundcard support

2008-07-03 Thread Fernando Gomes
Hi, I'm new to ubuntustudio (but long time user of Linux and Ubuntu).
I'm building a dedicated homestudio PC and need to choose the
soundboard for it (currently using a soundblaster, but want to have
less noise in the recordings and better resolution, if possible). My
problem is what hardware currently on sale is supported by linux /
ubuntustudio.
For me the ideal board will have 2 mic inputs with phantom power (with
the possibility to change one of them to high impedance to connect an
electric guitar directly) and one midi in/midi out, if possible
external (USB or FireWire). For now with the information I have I
probably choose a PCI board (M-Audio Audiophile 2496) and use an
external preamp (M-Audio Audio Buddy or M-Audio DMP3), because I am
not shure of an external unit that met all my requirements and is
supported by linux / ubuntustudio (M-Audio FastTrack Pro, for
example). Are there ubuntustudio users on this list with similar
requirements that can suggest hardware that they know it works with
ubuntustudio? Even if it isn't the latest version, but can be found on
ebay, for me it's fine

Thanks in advance!

Best regards

Fernando

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