This bug appears to be solved in Karmic. As far as I can tell the
current Karmic RT kernel (2.6.31-9-rt) does not have the SMP issue that
Intrepid's and Jaunty's had.
If I had to guess, I would say this is because the kernel version
matches the upstream RT patch version this time around, which had
Realtime Dutchman's instructions for compiling a kernel are excellent.
This was my first time compiling a kernel and I was able to do so with
no problems compiling or installing. I have an AMD Athlon64 X2 5600+
(i.e. dual-core).
When I compiled the exact generic kernel and patch recommended by
Re
Thank you Realtime Dutchman,
following your instructions I successfully compile and run a 2.6.29.6 realtime
kernel under cruchbang 9.04.
It works nicely with jack and vmware workstation.
In theory a generic 2.6 kernel should handle HZ > 100 using special
config in /etc/security/limits.conf:
@au
Cecil,
Many thanks for your help concerning the nvidia driver issue.
For anyone who is interested in the kernel building tutorial please find
the tutorial text below. This is the tutorial written by me and has
been tested by others and is a pretty much cut and paste method.
%%%
Using RTD's tutorial I was able to build 2.6.29.5-rt21 for my 9.04
system. (AMD 64 bit).
I had one problem and it's doozy. It died in the very last step of the
build because I had the nvidia drivers (non free). The kernel would boot
and run (but a few things didn't work). It took a lot of hackin
(previous link to the rt kernel has expired)
For those who are interested in the latest kernel
2.6.29.5-rt21-all build 062109-1
For 32bit sytems only.
Feel free to download the installation tar (at your own risk) from:
http://www.send2deliver.com/deliver.php?cb5ef5041dab10043f
(previous link to the rt kernel has expired)
For those who are still interested in the latest 2.6.29.4-all rt16
patched version build 060109-1 (install at your own risk) you can
download the installation tar from:
https://rcpt.yousendit.com/700198668/fdf4910cf9f074606810ee28ec97e620
RTD.
--
one other quick note if someone knows the answer...??!?
how do i set SOUND_CARD_IRQ...?as requested by -
realTimeConfigQuickScan.pl
it is the only parameter in this diagnostic that i don't have in order. i have
scoured around the net
to find an answer with no luck i realize this is a bit off
hey everyone,
i have installed the kernel realtime dutchman has provided the link to,
and it solved alll of my issues.. mainly the fact that my cpu's weren't being
handled properly and
i had the IOWAIT issue that was sucking up my cpu. thank you so much! i am
running a fairly custom
setup not u
Luctor,
Send me an e-mail and I will provide you a tutorial.
realtime.dutch...@gmail.com
RTD.
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Luctor,
Send me an e-mail and I will provide you a tutorial.
Now with a readable e-mail address:
realtime.dutchmangmail.com
RTD.
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@Realtime Dutchman
Have you got a amd64 build for the rt-kernel, or could you give me instructions
how to do it ?
I've build an rt-kernel in the last couple of weeks following the advice
from vivichrists post https://bugs.launchpad.net/ubuntu/+source/linux-
rt/+bug/290498/comments/26 and the Mast
Hey thanks Realtime dutchman!
Finally I could update my old intrepid with hardy kernel to jaunty using
your kernel.
And after cheating the NVIDIA Installer by copying your headers into the
default source files 2.6.29.4 dled from kernel.org I was able to install
the driver again.
Thanks alot!
--
(previous link to the rt kernel has expired)
For those who are still interested in the latest 2.6.29.4-all rt16
patched version build 060109-1 (install at your own risk) you can
download the installation tar from:
https://rcpt.yousendit.com/696896592/f3cca9902281f0c62185d4ea3ff15f69
Realtime d
Good news Stephen, it proves we are on the right track.
And for those who are interested in the latest 2.6.29.4-all rt16
patched version build 060109-1 (install at your own risk) you can
download the installation tar from:
https://rcpt.yousendit.com/694843214/2ef79476f82640fd0d94413097c85706
I
Hi,
Here are my experiences of using Realtime Dutchman's 25th May build for about
36 hours:
Firstly, I am running with a different installation order from RTD:
1. Install 9.04 studio (all multimedia options) - reboot
2. Install all updates - reboot
3. Add workaround for clash involving snd-hda-int
I have been testing a couple of nights and it happened everytime I had done a
Jaunty update. I could pretty well be a motherboard related issue because my
suspicion was pointing to the acpid tools. so what I did is :
1. install 9.04
2. install wicd wireless network tool (skip this when you do
"Jaunty does not want to shutdown"
this is a whole other bug in the kernel in ubuntu at the mo. one which I
don't get so
"followed by the fact that my sound is gone."
I've been having problems with sound reseting and defaulting to 0 volume
and muted after boot with or without the new rt I c
Vivichrist,
The last couple of nights I have been trying to reproduce an Ubuntu Studio 9.04
system with our new RT kernels but I'm dealing with an inconsistent clean
jaunty install.
The problems I'm having is that sometimes Jaunty does not want to shutdown and
after that my sound gets killed.
Hi Vivichrist,
I'm back online again and can confirm that my second attempt building the
kernel was a succes!
I'm running the Ubuntu Studio RT patched generic kernel and realtime behaviour
is ok, and don't see any problems.
The kernel I have spinning as we speak is : 2.6.29.4-rt15-all-
nvk-0525
so I would compile for Athlon64 to get optimisations at a guess?
compiling was way to easy compared to my past efforts. most should find
it a cinch given detailed instructions. I got some weird errors
installing the deb because I installed the kernel first then the headers
and then tried reinstalli
Vivichrist,
My wireless (SMC card) is working ok. I didn't do a lot of testing though,
because it got late yesterday night (it took my system about 3 hrs to build a
kernel).
Processor time is low and realtime behaviour seems to be fine with Jack/Ardour.
What I don't understand is why the Ubuntu
suspends and resumes too. yay. I don't use wireless though, so haven't
tested that.
dutchman: I have been thinking of compiling a more architecture specific
but what's a Turion?
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Hi Vivichrist,
I´m back online with my single core p4 sytem running using the RT
patched Ubuntu Studio generic kernel (build from linux-
source-2.6.29_2.6.29-02062904_all.deb) like vivichrist did.
The system is running smoothly and I don´t notice any problems and had
a short test with jack and a
Thx Vivichrist,
I´ll give it a try on my other installation disk.
I must say that the kernel I´m running now, the one I took from kernel.org I
mean, is running like a champ, but never the less it is always healthy to try a
few other options too.
I´ll keep you posted because this procedure wil
also I compiled for amd64
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um actually yes. wish that was editable. oops
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vivichrist,
I assume you grabbed :
linux-source-2.6.29_2.6.29-02062904_all.deband made an install by
double clicking this file?
Didn´t you mean patch-2.6.29.4-rt15.bz2 instead of 2.6.26.8-rt16
as you suggested?
realtime dutchman.
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I went to http://kernel.ubuntu.com/~kernel-ppa/mainline/?C=M;O=D and
grabed the 2.6.29-4 source deb and applied the rt16 patch to it from
http://www.kernel.org/pub/linux/kernel/projects/rt/. then copied across
the /boot/config-2.6.28-12-generic to that kernel source root directory.
did "make gconfi
Hi Peter,
I will be happy to help you out.
Send me an email to : realtime.dutchmangmail.com and I will provide you
with some stuff to play with.
regards,
realtime dutchman.
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Ok guys here is the deal.
If finally managed to reproduce a working jaunty 9.04 kernel, in fact it
is running right now while I am writing this update.
I found out that Luke macneil´s kernel did not show a splash when studio
was booting up and gave me trouble when I wanted to install my wireless.
Hello!
I'd be very interested in both the installation files and the tutorial!
I'm very happy that someone with a little more knowledge than me is working
on this... :)
Regards
Péter
On Sat, May 23, 2009 at 8:22 PM, Realtime Dutchman
wrote:
> Ok guys here is the deal.
>
> If finally managed to
Hopefully this looks better concerning Luke Macneils kernel:
site:www.mail-archive.com/ubuntu-studio-
us...@lists.ubuntu.com/msg04152.html
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Guys,
I have been testing kernel 2.6.29.1-rt8 quite a bit now. This is the home made
kernel Luke MacNeil had put on his web site.
see download links:
http://www.lukemacneil.com/linux-headers-2.6.29.1-rt8-custom_2.6.29.1-rt8-custom-10.00.Custom_i386.deb
http://www.lukemacneil.com/linux-image-2.6.
Mike,
I installed the official jaunty 9.04 release and don't see any improvements
concerning CPU performance. It still is very slow, asking to much time from
my cpu and the strange thing is that when I install jaunty on a dual core pc
(Intel cpu) it appears to be very unstable but I don't see the
See the same crashes on a intel dual core which is sitting in our studio.
I can't confirm the 100% IOwait though. My cpu's seems to be in good shape.
2009/5/12 vivichrist
> I have an hp compaq v5001au with turion x2 processor and kernel
> 2.6.28-3.1 hangs after a good 10minutes of boot. one of
Mike,
I installed the official jaunty 9.04 release and don't see any improvements
concerning CPU performance. It still is very slow, asking to much time from my
cpu and the strange thing is that when I install jaunty on a dual core pc
(Intel cpu) it appears to be very unstable but I don't see
I have an hp compaq v5001au with turion x2 processor and kernel
2.6.28-3.1 hangs after a good 10minutes of boot. one of the cores is in
100% IOWait state.
** Attachment added: "kernel log"
http://launchpadlibrarian.net/26630794/kern.log
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Any progress on RT for Jaunty?
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sorry mentioned wrong version of RT..again..:
I also installed Jaunty beta on a single Intel processor machine with 700 Mbyte
memory and the installation worked like a champ but...
since I need the real time behaviour for studio work I had to modify the
menu.lst so that I was able to boot from --
I also installed Jaunty beta on a single Intel processor machine with 700 Mbyte
memory and the installation worked like a champ but...
since I'need the real time beaviour for studio work I had to modify the
menu.lst so that I was able to boot from --linux-rt 2.6.27-3--.
So far so good.
Everything
I have installed it, two things happend:
1) Nvidia drivers wouldn't install / run, so I had to use the x.org nv driver
2) after a while the pc froze; don't remember if I used ALT-F1 > sudo reboot,
or did a hard (power button) reset.
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I'm still getting the issues I described above on 2.6.28-3-rt. Has
anyone else tried the RT kernel on Jaunty?
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@Alessio: not quite.
I've installed the 2.6.28-2-rt kernel on my desktop and my laptop, which
have nothing in common hardware-wise. The kernel does see the second
core, but (reportedly) it's unusable. Running 'top' and pressing '1' I
get:
Cpu0 : 0.7%us, 0.3%sy, 0.0%ni, 99.0%id, 0.0%wa, 0.0%
Latest Jaunty rt kernel works on SMP configuration so i marked that bug
as "Fix released"
** Changed in: linux-rt (Ubuntu)
Status: Triaged => Fix Released
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If I understand correctly, the -rt patches have been ported to the
2.6.29 codebase by their authors. Is Jaunty shipping with 2.6.29? If
not, is there going to be a 2.6.29-rt module in the repositories for us
real-time people?
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** Changed in: linux-rt (Ubuntu)
Assignee: Alessio Igor Bogani (abogani) => (unassigned)
Status: Confirmed => Triaged
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http://packages.ubuntu.com/hardy/linux-image-2.6.24-22-rt
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Some here. I used the old kernel to hotfix this problem till the kernel
maintainer will fix this.
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dpkg --force-depends -i linux-rt_2.6.24.22.24_amd64.deb
---
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hmmm interesting... I have no idea but this doesn't look good
** Attachment added: "sectionOfKern.log"
http://launchpadlibrarian.net/19504709/sectionOfKern.log
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I think there mite be a memory leak 'cause something takes up more and
more memory until it spills over into swap file and everything slows
down. this takes quite a while to happen but I use only the usual apps
and this doesn't happen with generic kernel. guess I should start a new
bug?
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Confirmed intrepid 64-bit linux-image-2.6.27-4-rt.
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https:/
I tried used Alessio's PPA and Its more stable but I still only see one
cpu on my hp compaq v5001au laptop. anybody else got custom packages I
could try? I heard someone compiled a vanilla unpatched kernel with
preempt enabled or something and that worked. I don't have enough room
to compile kerne
I just ran across this:
http://ubuntustudio.org/8-10_release_note
"We are sad to announce the real time kernel won't be installed by default in
Ubuntu Studio in this release. Because of some issues that were out of our
control, the real time kernel in this release has some problems: only supports
+1 here, only 1 cpu is shown for a core2 duo cpu
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** Changed in: linux-rt (Ubuntu)
Importance: Undecided => High
Assignee: (unassigned) => Alessio Igor Bogani (abogani)
Status: New => Confirmed
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