Hi all,

'tiz back on 7177 KHz to capture the after broadcast chit-chat.

Alan VK2ZIW

On Sat, 24 Nov 2018 12:52:38 +1000, Alan Beard wrote
> Here is "top" on the Banana Pi M2 Berry and a 500Gb laptop disk:
> 
> 
> 
> top - 13:43:53 up 44 min,  2 users,  load average: 1.43, 1.41, 1.32
> Tasks: 181 total,   1 running, 180 sleeping,   0 stopped,   0 zombie
> %Cpu(s):  5.8 us,  0.2 sy,  0.0 ni, 94.0 id,  0.0 wa,  0.0 hi,  0.0 si,  0.0 
> st
> KiB Mem :  1022592 total,   322948 free,   222612 used,   477032 buff/cache
> KiB Swap:  7602168 total,  7602168 free,        0 used.   766497 avail Mem 
> 
>   PID USER      PR  NI    VIRT    RES    SHR S  %CPU %MEM     TIME+ COMMAND   
>   
> 15479 alanb     20   0   21716   3532   2448 S       26.7       0.3   4:48.62 
> parrot      
>   1038 root         rt   0             0         0          0 S         4.0   
>     0.0   0:41.98 cfinteract+ 
>          4 root        20   0            0         0          0 S         0.7 
>       0.0   0:17.34 kworker/0:0 
> 21893 alanb     20   0     7164   1504     992 R         0.7       0.1   
> 0:00.17 top         
>     
> That's 26% of one CPU core.
> 
>      
> The Allwinner V40 SoC, quad core and 1Gb ram.
> 
> 
> Alan VK2ZIW
> 
> 
> 
> On Sat, 24 Nov 2018 10:39:46 +1000, Alan Beard wrote
> > And again, Hi all,
> > 
> > 
> > I've been battling with my "parrot" repeater crashing, using the Banana Pi 
> > and Fedora 29 Linux.
> > 
> > 
> > So I'm trialling a Banana Pi M2 Berry running Ubuntu 16.04 with an old old 
> > kernel 3.10 series.
> > 
> > 
> > There are bugs, bad bugs with the latest AHCI-SUNXI and other laptop AHCI 
> > (SATA) drivers.
> > It's all about Power Management. 
> > 
> > 
> > It seems kernels before 4.16.xx are OK.
> > 
> > 
> > I've been battling with this for months!!!!
> > 
> > 
> > I can't deploy an unreliable system!!!!
> > 
> > 
> > Keep smiling
> > 
> > 
> > Alan VK2ZIW
> > 
> > On Thu, 22 Nov 2018 10:38:54 +1000, Alan Beard wrote
> > > Hi again all,
> > > 
> > > 
> > > 7177KHz LSB is being swamped by switchmode noise here in Emu Heights and 
> > > 40m
> > > is not much good all day. 20m is much better.
> > > 
> > > 
> > > I'm going to switch to 14.236 USB weekdays and only 7177 on Sundays.
> > > 
> > > 
> > > That Optus HFC cable box is the death of HF.
> > > 
> > > 
> > > Remember, add the string "c2rpt" or VK2ZIW" to trigger a repeat.
> > > 
> > > 
> > > Alan VK2ZIW 
> > > 
> > > 
> > > 
> > > 
> > > lOn Fri, 5 Oct 2018 08:02:29 +1000, Alan Beard wrote
> > > > Hi all,
> > > > 
> > > > 
> > > > On-air testing of the latest code is needed so please try the repeater.
> > > > 
> > > > 
> > > > 7177KHz LSB mode 700D, put my callsign in the, sent text.
> > > > 
> > > > 
> > > > Alan VK2ZIW
> > > > 
> > > > 
> > > > 
> > > > On Wed, 26 Sep 2018 07:16:34 +1000, Alan Beard wrote
> > > > > Hi Enrich,
> > > > > 
> > > > > 
> > > > > Hardware for "parrot", Nothing in particular, just any Linux box.
> > > > > 
> > > > > 
> > > > > To keep the power use down, I use a Raspberry Pi clone.
> > > > > I use Fedora linux as, for the ARM processor they have made their 
> > > > > distribution
> > > > > almost hardware independent. There are two steps in making a bootable 
> > > > > SD card
> > > > > simples. Supports about 50 boards with one SD card image file.
> > > > > 
> > > > > 
> > > > > On the audio side I use a Behringer UCA202 USB device. That's because 
> > > > > it has RCA
> > > > > line output connectors to which goes to my home-brew isolation box to 
> > > > > my FT-450
> > > > > transceiver.
> > > > > 
> > > > > 
> > > > > Any audio port device supported by Linux will do, must do 48000 
> > > > > samplerate.
> > > > > 
> > > > > 
> > > > > For PTT I use a PL2303 USB serial adapter to supply DTR to the above 
> > > > > isolation box's
> > > > > opto-coupler.
> > > > > 
> > > > > 
> > > > > In the code there's provision to use a Pi GPIO port.
> > > > > 
> > > > > 
> > > > > Pi considerations
> > > > > =============
> > > > > Since my Pi is a development box, it MUST have a good Hard Disk.
> > > > > So I'd pick a board with a High Speed Disk Interface and migrate
> > > > > the root filesystem onto that disk, off the SD card.
> > > > > 
> > > > > SSDs are cheap and available and low power. That's what I use, a 
> > > > > 128Gb.
> > > > > 
> > > > > It's constantly writing log files and audio files and, I download the 
> > > > > latest
> > > > > SVN code, compile and run, this way I help our developers by running,
> > > > > real time, their code.
> > > > > 
> > > > > Alan VK2ZIW
> > > > > 
> > > > > 
> > > > > 
> > > > > 
> > > > > 
> > > > > On Tue, 25 Sep 2018 18:15:42 +0930, Erich Heinzle wrote
> > > > > > Any particular hardware/build requirements for the repeater code 
> > > > > > other than (I assume) linux?
> > > > > > 
> > > > > > Regards,
> > > > > > 
> > > > > > VK5HSE
> > > > > 
> > > > > Alan 
> > > > > 
> > > > > Evil flourishes when good men do nothing. 
> > > > > Consider the Christmas child. 
> > > > > ---------------------------------------------------------------------------
> > > > >  
> > > > > Alan Beard               Unix Support Technician from 1984 to today 
> > > > > 70 Wedmore Rd.           Sun Solaris, AIX, HP/UX, Linux, SCO, MIPS 
> > > > > Emu Heights N.S.W. 2750  Routers, terminal servers, printers, 
> > > > > terminals etc.. 
> > > > > +61 2 47353013 (h)       Support Programming, shell scripting, "C", 
> > > > > assembler 
> > > > > 0414 353013 (mobile)     After uni, electronics tech
> > > > > 
> > > > 
> > > > Alan 
> > > > 
> > > > Evil flourishes when good men do nothing. 
> > > > Consider the Christmas child. 
> > > > ---------------------------------------------------------------------------
> > > >  
> > > > Alan Beard               Unix Support Technician from 1984 to today 
> > > > 70 Wedmore Rd.           Sun Solaris, AIX, HP/UX, Linux, SCO, MIPS 
> > > > Emu Heights N.S.W. 2750  Routers, terminal servers, printers, terminals 
> > > > etc.. 
> > > > +61 2 47353013 (h)       Support Programming, shell scripting, "C", 
> > > > assembler 
> > > > 0414 353013 (mobile)     After uni, electronics tech
> > > > 
> > > 
> > > Alan 
> > > 
> > > Evil flourishes when good men do nothing. 
> > > Consider the Christmas child. 
> > > ---------------------------------------------------------------------------
> > >  
> > > Alan Beard               Unix Support Technician from 1984 to today 
> > > 70 Wedmore Rd.           Sun Solaris, AIX, HP/UX, Linux, SCO, MIPS 
> > > Emu Heights N.S.W. 2750  Routers, terminal servers, printers, terminals 
> > > etc.. 
> > > +61 2 47353013 (h)       Support Programming, shell scripting, "C", 
> > > assembler 
> > > 0414 353013 (mobile)     After uni, electronics tech
> > > 
> > 
> > Alan 
> > 
> > Evil flourishes when good men do nothing. 
> > Consider the Christmas child. 
> > --------------------------------------------------------------------------- 
> > Alan Beard               Unix Support Technician from 1984 to today 
> > 70 Wedmore Rd.           Sun Solaris, AIX, HP/UX, Linux, SCO, MIPS 
> > Emu Heights N.S.W. 2750  Routers, terminal servers, printers, terminals 
> > etc.. 
> > +61 2 47353013 (h)       Support Programming, shell scripting, "C", 
> > assembler 
> > 0414 353013 (mobile)     After uni, electronics tech
> > 
> 
> Alan 
> 
> Evil flourishes when good men do nothing. 
> Consider the Christmas child. 
> --------------------------------------------------------------------------- 
> Alan Beard               Unix Support Technician from 1984 to today 
> 70 Wedmore Rd.           Sun Solaris, AIX, HP/UX, Linux, SCO, MIPS 
> Emu Heights N.S.W. 2750  Routers, terminal servers, printers, terminals etc.. 
> +61 2 47353013 (h)       Support Programming, shell scripting, "C", assembler 
> 0414 353013 (mobile)     After uni, electronics tech
>

Alan

Evil flourishes when good men do nothing. 
Consider the Christmas child. 
--------------------------------------------------------------------------- 
Alan Beard               Unix Support Technician from 1984 to today 
70 Wedmore Rd.           Sun Solaris, AIX, HP/UX, Linux, SCO, MIPS 
Emu Heights N.S.W. 2750  Routers, terminal servers, printers, terminals etc.. 
+61 2 47353013 (h)       Support Programming, shell scripting, "C", assembler 
0414 353013 (mobile)     After uni, electronics tech
 
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