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<p>Personally, I only mentioned the voltage issue for
everyone/anyone to check as a possibility for errors they may get.</p>
<p>So I was only referencing from experience.<br>
</p>
<p>But this kernel protection before upgrade worked for me, did you
try it ?</p>
<p><a class="moz-txt-link-freetext" href="http://dvswitch.org/files/ASL_Images/Raspberry_Pi/Stretch/ASL_1.01-20180228-armhf-raspbian-stretch-image.readme">http://dvswitch.org/files/ASL_Images/Raspberry_Pi/Stretch/ASL_1.01-20180228-armhf-raspbian-stretch-image.readme</a></p>
<pre>Login: repeater
Passsword: allstarlink
SSH port: 22
User repeater has sudo privileges (sudo -s)
There may have been updates to the operating system and AllStarLink since this image was built.
Run the following commands after the first time you boot.
sudo apt-mark hold raspberrypi-kernel-headers raspberrypi-kernel
sudo apt-get update
sudo apt-get upgrade -y
sudo reboot
at the # prompt run "asl-menu" to setup your node.
</pre>
...mike/kb8jnm<br>
<br>
<div class="moz-cite-prefix">On 7/10/2018 11:20 AM, Jim Aspinwall
No1PC wrote:<br>
</div>
<blockquote type="cite"
cite="mid:2014384403.1697669.1531236044381@mail.yahoo.com">
<meta http-equiv="content-type" content="text/html; charset=utf-8">
<div style="font-family:Helvetica Neue, Helvetica, Arial,
sans-serif;font-size:16px;">
<div style="font-family: "Helvetica Neue", Helvetica,
Arial, sans-serif;">
<div style=""><span style="color: rgb(38, 40, 42);"><font
size="2">Coincidence? Serendipity?</font></span></div>
<div style=""><font size="2"><span style="color: rgb(38, 40,
42);"><br>
I just tried the latest builds from: </span></font><a
href="http://dvswitch.org/files/ASL_Images/Raspberry_Pi/Stretch/"
rel="nofollow" target="_blank" moz-do-not-send="true">http://dvswitch.org/files/ASL_Images/Raspberry_Pi/Stretch/</a> <font
size="2"><br>
<br>
Liking asl-menu... that helps... but as with others
below... I have found, on a Pi3 + RA-40 that works under
the prior 'build' - I too am experiencing multiple errors
and ultimately failure of asterisk app to identify,
connect to and use the USB-connected RA-40 as either
USBRadio or SimpleUSB that worked under same configuration
parameters. It's even complaining that asterisk.ctl is not
in /var/run when it clearly is there.<br>
<br>
On the console I am getting low voltage errors I never saw
before... using the same power source. Measurement at the
board is minimum 4.96v. Power source is a PowerPole
USBBuddy 3A device from clean DC - these run all of my
field-racked nodes so far. Even a 1.5a wall-wart has been
fine prior. Doesn't make sense when the operational
voltage tolerance of the Pi is greater than this 0.8%
difference. If the low-voltage check is getting in the
way... how do we fix that? Separate power sources for
Pi vs interface boards?<br>
<br>
If the voltage issue is NOT "getting in the way" of
Asterisk using a good known USB-interfaced device? What
is? <br>
<br>
Again, I can shut down the boards, swap the USB Flash
drive from the latest build to the prior and it runs
fine. I'm reluctant to in-place update the working
node/stick... until I can properly clone the stick and
test on an expendable build. (What tool does one use to
make an image from a bootable stick?)<br>
<br>
</font></div>
<div style="font-size: 16px;"><span style="color: rgb(38, 40,
42); font-size: 13px;"><br>
</span></div>
<div style="font-size: 16px;"><span style="color: rgb(38, 40,
42); font-size: 13px;"> Yeah it's decidedly an issue with
snd-pcm-oss missing from the system..</span><br>
</div>
</div>
<div id="ydp56ee7b69yahoo_quoted_1833693460"
class="ydp56ee7b69yahoo_quoted">
<div style="font-family:'Helvetica Neue', Helvetica, Arial,
sans-serif;font-size:13px;color:#26282a;">
<div>
<div dir="ltr">> may need to compile a custom kernel..
_shrug_<br>
</div>
<div dir="ltr"><br>
</div>
<div dir="ltr"><br>
</div>
<div dir="ltr">>> this may not be relevant, but
worth saying at this point.<br>
</div>
<div dir="ltr">>><br>
</div>
<div dir="ltr">>> I have found that if you
initialize a pi node while not supplying the Pi<br>
</div>
<div dir="ltr">>> board with enough current<br>
</div>
<div dir="ltr">>><br>
</div>
<div dir="ltr">>> during the initial start-up. Many
things seem to go wrong.<br>
</div>
<div dir="ltr">>><br>
</div>
<div dir="ltr">>> I'm building a bigger 5v power
supply to handle 2 or three of these at<br>
</div>
<div dir="ltr">>> once to verify what I'm thinking,<br>
</div>
<div dir="ltr">>><br>
</div>
<div dir="ltr">>> but not tested anything yet.<br>
</div>
<div dir="ltr">>><br>
</div>
<div dir="ltr">>> In my case, it is Dahdi<br>
</div>
<div dir="ltr">>>> Not sure why but the /dev/dsp1
seems to be missing... I've installed<br>
</div>
<div dir="ltr">>>> oss-compat and tried a number
of things.. see below output...<br>
</div>
<div dir="ltr">>>><br>
</div>
<div dir="ltr">>>> $ sudo uridiag<br>
</div>
<div dir="ltr">>>> URIDiag, diagnostic program
for the DMK Engineering URI<br>
</div>
<div dir="ltr">>>> USB Radio Interface, version
0.9, 08/14/15<br>
</div>
<div dir="ltr">>>><br>
</div>
<div dir="ltr">>>> Found CM119 USB Radio
Interface at 001/005<br>
</div>
<div dir="ltr">>>> Unable to re-open DSP device
1: /dev/dsp1<br>
</div>
<div dir="ltr">>>><br>
</div>
<div dir="ltr"><br>
</div>
</div>
</div>
</div>
</div>
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