[raspberry-vi] Re: Problem

  • From: Gregory Osborne <Gregory.Osborne@xxxxxx>
  • To: "raspberry-vi@xxxxxxxxxxxxx" <raspberry-vi@xxxxxxxxxxxxx>
  • Date: Tue, 7 Jan 2014 19:15:40 +0000

Mike,
I'm glad to hear you've made so much progress. I've been quiet for exactly the 
other reason. I had compiled up both a 3.6.9 and a 3.10.19? kernel both of 
which were running stable on my Pi but with the latency issue. No matter what I 
did in either kernel config, the latency issues remained, so I went on to 
trying to find some other solution. Since, as you've pointed out, pulse audio 
documentation is poor, I felt like I was chacing my tail with it. It appeared 
you needed X or another graphical user interface to have it run, and then on my 
debian system, I actually got it to run, but the trick to get it to run was to 
add hooks into the pulse audio configuration to tell it to use the underlying 
alsa system! So, that would be useless, I felt. 

After that, I went to edit my espeakup.service file and add nice -11 or 
something similar to see if preceeding the espeakup program would make it run 
better. I did notice pulse audio has configurations for both niceness and real 
time. 

As soon as I touched that file and rebooted, all the stability left my system. 
The Pi started the random lock up issues. I tried taking it out and rebooting. 
No luck. Reimaged the card and put the kernels and modules back on there (both 
sets at different times) - no luck. So even though I followed the same steps I 
took before, I couldn't reproduce the results I had. Just craziness. I did and 
do have speech-up compiled, but haven't gotten any further with it.

The point to all this is, I know there is a 3.10.x kernel floating out there 
that is stable, but once I lost the ability to boot my system reliably and 
couldn't reproduce the system after a few attempts, I changed the debian system 
over to arch, so I no longer have the kernel source or I'd offer to send it 
your way. 

I guess this is as much an update on my end as anything, and a goodluck to you!

- Greg

-----Original Message-----
From: raspberry-vi-bounce@xxxxxxxxxxxxx 
[mailto:raspberry-vi-bounce@xxxxxxxxxxxxx] On Behalf Of Mike Ray
Sent: Tuesday, January 07, 2014 10:22 AM
To: raspberry-vi@xxxxxxxxxxxxx
Subject: [raspberry-vi] Problem

Hello list,

I currently have a problem which I am struggling to solve with the new 
Accessible Arch image.

The currently stable kernel source tree from the Foundation is 3.10.y.  
Previously I had been working with 3.6.y.

Unfortunately there is an error making the kernel compilation fail which I 
can't currently solve.

I may have to release the image with a 3.6.y kernel instead of 3.10.y.

I hope this will make little difference and I am hoping that a simple 'pacman 
-Syu' will then get the newer kernel and not wipe out SpeakUp.

Mike

--
Michael A. Ray
Analyst/Programmer
Witley, Surrey, South-east UK

I KEEP six honest serving-men, They taught me all I know. Their names are What 
and Why and When and How and Where and Who.
-- Rudyard Kipling (paraphrased)

Interested in accessibility on the Raspberry Pi?
Visit: http://www.raspberryvi.org/

 From where you can join our mailing list for visually-impaired Pi hackers

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Mike Ray, list creator, January 2013

=========================================================== 
The raspberry-vi mailing list 
Archives: //www.freelists.org/archives/raspberry-vi
Administrative contact: <mike.ray@xxxxxxxxxxxxxx>
-----------------------------------------------------------
Raspberry Pi and the Raspberry Pi logo are trademarks of the Raspberry Pi 
Foundation.

This list is not affiliated to the Raspberry Pi Foundation and the views and 
attitudes expressed by the subscribers to this list do not reflect those of the 
Foundation.

Mike Ray, list creator, January 2013

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