Linux Archive - rtirq problem

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- - rtirq problem (http://www.linux-archive.org/64-studio-user/303463-rtirq-problem.html)

Hi All again,

I am also not able to run the rtirq script on my 64studio install:

root@64studio:~/rtirq-20090920# sh rtirq.sh
rtirq.sh: 65: source: not found
rtirq.sh: 74: Syntax error: "(" unexpected

Here is the relevant part of the script:

# Check for existence of needed config file and read it.
RTIRQ_CONFIG=/etc/sysconfig/rtirq
[ -r ${RTIRQ_CONFIG} ] || RTIRQ_CONFIG=/etc/default/rtirq
[ -r ${RTIRQ_CONFIG} ] || RTIRQ_CONFIG=/etc/rtirq.conf

[ -r ${RTIRQ_CONFIG} ] || {
*** echo "`basename $0`: ${RTIRQ_CONFIG}: not found."
*** [ "${RTIRQ_ACTION}" = "stop" ] && exit 0 || exit 6
}

# Read configuration.
source ${RTIRQ_CONFIG}

Any ideas?
Martin

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Martin Horn wrote:
> Hi All again,
>
> I am also not able to run the rtirq script on my 64studio install:
>
> root@64studio:~/rtirq-20090920# sh rtirq.sh
> rtirq.sh: 65: source: not found
> rtirq.sh: 74: Syntax error: "(" unexpected

Don't use sh to execute the script. sh is actually dash on a Debian
system. Instead, make the script executable with "chmod u+x rtirq.sh"

To execute simply put ./ in front.
sudo ./rtirq.sh start

By default the file is marked as executable when you untar/gzip it.

>
> Here is the relevant part of the script:
>
> # Check for existence of needed config file and read it.
> RTIRQ_CONFIG=/etc/sysconfig/rtirq
> [ -r ${RTIRQ_CONFIG} ] || RTIRQ_CONFIG=/etc/default/rtirq
> [ -r ${RTIRQ_CONFIG} ] || RTIRQ_CONFIG=/etc/rtirq.conf
> [ -r ${RTIRQ_CONFIG} ] || {
> �� echo "`basename $0`: ${RTIRQ_CONFIG}: not found."
> �� [ "${RTIRQ_ACTION}" = "stop" ] && exit 0 || exit 6
> }

Basically the problem is that script is using bash specific syntax that
dash does not support. Using sh to execute scripts is a bad habit.

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Gustin Johnson wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> Martin Horn wrote:
>
>> Hi All again,
>>
>> I am also not able to run the rtirq script on my 64studio install:
>>
>> root@64studio:~/rtirq-20090920# sh rtirq.sh
>> rtirq.sh: 65: source: not found
>> rtirq.sh: 74: Syntax error: "(" unexpected
>>
>
> Don't use sh to execute the script. sh is actually dash on a Debian
> system. Instead, make the script executable with "chmod u+x rtirq.sh"
>
> To execute simply put ./ in front.
> sudo ./rtirq.sh start
>
> By default the file is marked as executable when you untar/gzip it.
>
>
>> Here is the relevant part of the script:
>>
>> # Check for existence of needed config file and read it.
>> RTIRQ_CONFIG=/etc/sysconfig/rtirq
>> [ -r ${RTIRQ_CONFIG} ] || RTIRQ_CONFIG=/etc/default/rtirq
>> [ -r ${RTIRQ_CONFIG} ] || RTIRQ_CONFIG=/etc/rtirq.conf
>> [ -r ${RTIRQ_CONFIG} ] || {
>> �� echo "`basename $0`: ${RTIRQ_CONFIG}: not found."
>> �� [ "${RTIRQ_ACTION}" = "stop" ] && exit 0 || exit 6
>> }
>>
>
> Basically the problem is that script is using bash specific syntax that
> dash does not support. Using sh to execute scripts is a bad habit.

Rtirq should automatically run without any problem on startup, just copy
the needed files to the correct places:

$ sudo mv /unknown_path/rtirq.conf /etc/default/rtirq
$ sudo mv /unknown_path/rtirq.sh /etc/init.d/rtirq

See Rui's answer, he's the author of rtirq:

-------- Original Message --------
Subject: Re: Question about rtirq
Date: Sat, 26 Dec 2009 21:54:51 +0000
From: Rui Nuno Capela <rncbc@rncbc.org>
To: Ralf Mardorf <ralf.mardorf@alice-dsl.net>
CC: 64 Studio Users <64studio-users@lists.64studio.com>
References: <4B35F750.6040008@alice-dsl.net>
<4B361726.2090606@rncbc.org> <4B36830B.4010906@alice-dsl.net>

On 12/26/2009 09:41 PM, Ralf Mardorf wrote:
> Rui Nuno Capela wrote:
>> On 12/26/2009 11:45 AM, Ralf Mardorf wrote:
>>
>>> Hi Rui :)
>>> hi 64 Studio list :)
>>>
>>> the default kernel for 64 Studio is the 2.6.29-1-multimedia-amd64. I
>>> like to be able to run the default kernel and the latest 2.6.31.6-rt19.
>>>
>>> I guess I need to upgrade rtirq to be fine with the latest kernel? Will
>>> it be fine with 2.6.29 too?
>>>
>>> Do I need to include both scripts in one script?
>>> quasi ...
>>> if uname -r = 2.6.29 then go on with old script
>>> if uname -r = 2.6.31 then go on with new script
>>>
>>>
>>
>> you can and should run the latest rtirq
>> (http://www.rncbc.org/jack#rtirq) -- it works on all PREEMPT_RT enabled
>> kernels.
>>
>> kernel >= 2.6.31-rt just adds some niceties for your discretion eg. you
>> can pin point which devices in particular get higher priority, even
>> though that device is sharing the same irq line with others which won't
>> get touched.
>>
>> cheers
>
> What is rtirq.spec for?
>

rpm specification file; used to build the rpm package

> Should I only move rtirq.conf to /etc/default (there it is for 64
> Studio, renamed to rtirq) and move rtirq.sh to /etc/init.d (renamed to
> rtirq) or is there something additional to do by using rtirq.spec?
>

you have no use for rtirq.spec on debian based systems

byee
--
rncbc aka Rui Nuno Capela
rncbc@rncbc.org

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Hi Gustin,

> Basically the problem is that script is using bash specific syntax that
> dash does not support.

Free did fix this a year ago, I guess the fix didn't make it into the
packages:

http://trac.64studio.com/64studio/ticket/417

I will re-open this ticket to double-check the fix will be in future
releases.

Cheers!

Daniel
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Daniel James wrote:
> Hi Gustin,
>
>
>> Basically the problem is that script is using bash specific syntax that
>> dash does not support.
>>
>
> Free did fix this a year ago, I guess the fix didn't make it into the
> packages:
>
> http://trac.64studio.com/64studio/ticket/417
>
> I will re-open this ticket to double-check the fix will be in future
> releases.
>
> Cheers!
>
> Daniel

By the way, in the next mail you refer to an issue because of kernel
2.6.31.6-rt19. I'm running 2.6.31.12-rt20 and before I did use
2.6.31.6-rt19 too. Using this latest kernels the 64 Studio 3.0-beta3's
rtirq is useless. There's the need to install the current version from
http://www.rncbc.org/jack/. Hm, I'll need to check if rtirq is ok here,
because of the shebang issu. Here it's /bin/bash, using Rui's current
script.
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Hi Ralf,

> Using this latest kernels the 64 Studio 3.0-beta3's
> rtirq is useless. There's the need to install the current version from
> http://www.rncbc.org/jack/.

Fortunately, Ubuntu is keeping up with the upstream version:

http://packages.ubuntu.com/search?suite=default&section=all&arch=any&searchon =names&keywords=rtirq

Cheers!

Daniel
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Daniel James wrote:
> Hi Ralf,
>
>
>> Using this latest kernels the 64 Studio 3.0-beta3's
>> rtirq is useless. There's the need to install the current version from
>> http://www.rncbc.org/jack/.
>>
>
> Fortunately, Ubuntu is keeping up with the upstream version:
>
> http://packages.ubuntu.com/search?suite=default&section=all&arch=any&searchon =names&keywords=rtirq
>
> Cheers!
>
> Daniel

Hi Daniel :)

phew, for Lucid they are up-to-date ;).

OT: Yesterday I installed openArtist, based on Karmic and/or Mint. IMO
this isn't a good multimedia distro, but it's interesting to take a look
at it, perhaps it's enough to boot the Live version. It comes with an
overload of repositories. I assume that it isn't stable, at least for rt
audio the user has to edit limits.conf and to install rtirq, but it
ships with many, many, many multimedia applications. Maybe some of those
applications are interesting for us too: http://openartisthq.org/
It's well-meant by the one who made openArtist, but it's overloaded and
confusing. Anyway, it's including applications I never heard about before.

Cheers,
Ralf
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