[arm-allstar] occasional RX glitching with simpleusb
David McGough
kb4fxc at inttek.net
Mon Jul 4 17:58:40 EDT 2022
Patrick,
When you soft-reboot an RPi, it completely power cycles the USB bus. I
suspect you've got either a bad fob, ground loop, intermittent power
supply noise or other similar hardware-level issue.
The 4.19.65-1-ARCH shouldn't be any issue. I still run that kernel on most
of my deployed (hard to reach) RPi3 systems, no problems at all.
73, David K4FXC
On Mon, 4 Jul 2022, "Patrick Perdue via ARM-allstar" wrote:
> Hi:
>
> I have a situation where I occasionally get a weird glitchy sound on rx
> of simpleusb on one of my HamVoIP nodes running on a rPi 3 model B. It
> sometimes goes away when I reboot the Pi (restarting Asterisk isn't
> enough) but sometimes, another reboot is required. This happens
> periodically every few minutes, and only on RX, not TX, and even with
> local node connections with everything hardwired. Using the same node
> with IaxRPT or a SIP phone, everything is fine.
>
> I am running RPi2-3-4 Version 1.7-02 Allstar - May 30, 2022 - K4FXC
>
> Linux allstar508420 4.19.65-1-ARCH #1 SMP PREEMPT Fri Aug 9 23:29:04 UTC
> 2019 armv7l GNU/Linux
>
> Yes, I realize this is an old kernel. Before I go through the trouble of
> updating that, does this fix timing issues related to simpleusb? I have
> only started experiencing this recently, perhaps within the past week or so.
>
> 73
>
> N2DYI
>
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>
> Visit the BBB and RPi2/3/4 web page - http://hamvoip.org
>
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