Installing LCNC on Beelink  BT3 PRO II

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03 Jun 2021 11:17 #211086 by htdave

I think Mint 19.3 is a better option.


Would you go Mate or XFCE?

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03 Jun 2021 12:32 #211089 by BeagleBrainz
XFCE is lighter on resources.

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03 Jun 2021 23:19 #211109 by htdave
I have just finished installing mint 19 xfce, using the step by step from Tommylight.

When I boot with RT, the system lacks stability.

When I type lspci -vn, I get:
lagunmatic@lagunmatic:~$ lspci -vn
00:00.0 0600: 8086:2280 (rev 36)
	Subsystem: 8086:7270
	Flags: bus master, fast devsel, latency 0
	Kernel driver in use: iosf_mbi_pci

00:02.0 0300: 8086:22b0 (rev 36) (prog-if 00 [VGA controller])
	Subsystem: 8086:7270
	Flags: bus master, fast devsel, latency 0, IRQ 300
	Memory at 90000000 (64-bit, non-prefetchable) [size=16M]
	Memory at 80000000 (64-bit, prefetchable) [size=256M]
	I/O ports at f000 [size=64]
	[virtual] Expansion ROM at 000c0000 [disabled] [size=128K]
	Capabilities: <access denied>
	Kernel driver in use: i915
	Kernel modules: i915

00:03.0 0480: 8086:22b8 (rev 36)
	Subsystem: 8086:7270
	Flags: fast devsel, IRQ 255
	Memory at 91000000 (32-bit, non-prefetchable) [disabled] [size=4M]
	Capabilities: <access denied>

00:0b.0 1180: 8086:22dc (rev 36)
	Subsystem: 8086:7270
	Flags: fast devsel, IRQ 301
	Memory at 9193b000 (64-bit, non-prefetchable) [size=4K]
	Capabilities: <access denied>
	Kernel driver in use: proc_thermal
	Kernel modules: processor_thermal_device

00:14.0 0c03: 8086:22b5 (rev 36) (prog-if 30 [XHCI])
	Subsystem: 8086:7270
	Flags: bus master, medium devsel, latency 0, IRQ 299
	Memory at 91900000 (64-bit, non-prefetchable) [size=64K]
	Capabilities: <access denied>
	Kernel driver in use: xhci_hcd
	Kernel modules: xhci_pci

00:1a.0 1080: 8086:2298 (rev 36)
	Subsystem: 8086:7270
	Flags: bus master, fast devsel, latency 0, IRQ 255
	Memory at 91700000 (32-bit, non-prefetchable) [size=1M]
	Memory at 91600000 (32-bit, non-prefetchable) [size=1M]
	Capabilities: <access denied>

00:1c.0 0604: 8086:22c8 (rev 36) (prog-if 00 [Normal decode])
	Flags: bus master, fast devsel, latency 0, IRQ 297
	Bus: primary=00, secondary=01, subordinate=01, sec-latency=0
	I/O behind bridge: 0000e000-0000efff
	Memory behind bridge: 91800000-918fffff
	Capabilities: <access denied>
	Kernel driver in use: pcieport
	Kernel modules: shpchp

00:1f.0 0601: 8086:229c (rev 36)
	Subsystem: 8086:7270
	Flags: bus master, medium devsel, latency 0
	Capabilities: <access denied>
	Kernel driver in use: lpc_ich
	Kernel modules: lpc_ich

01:00.0 0200: 10ec:8168 (rev 0c)
	Subsystem: 10ec:0123
	Flags: bus master, fast devsel, latency 0, IRQ 298
	I/O ports at e000 [size=256]
	Memory at 91804000 (64-bit, non-prefetchable) [size=4K]
	Memory at 91800000 (64-bit, prefetchable) [size=16K]
	Capabilities: <access denied>
	Kernel driver in use: r8169
	Kernel modules: r8169

lagunmatic@lagunmatic:~$ 

Still no wifi

Any ideas?

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04 Jun 2021 01:59 - 04 Jun 2021 02:50 #211120 by BeagleBrainz
If you still have the Mint 19 installed could you try
dmesg | grep brcm > brcm.txt

I may not have made myself clear.

Boot into a live session of Mint 20 then run
lspci -vn > lspci.txt
and could you also try
dmesg | grep brcm > brcm.txt

and attached both text files.

I suggest this as due to your claim that Mint 20 gets you wifi.
The output of dmesg will also be useful.

When you say the system lacks stability what do you mean. What issues are presenting.

This is a link to the Mint 19 iso I created.
drive.google.com/file/d/1d7IEscVlyWoNZQe...s4D/view?usp=sharing

If you would like to test this for stability you are welcome to. Some of the repos no longer exist, but that is not the point. The point is to test if the kernel on this ISO will give you better/any stability. This will give you a full installation of Mint 19 with a PREEMPT kernel & linuxcnc.

Just had a look at the iso, the firmware is there for the wifi chip, all that is missing is the nvram text file.

If it is stable and you want to run with it we can sort the repos out as it is quite simple.

Or send the thing down to Sydney and I'll get it going by hell or high water :lol:

Oh ok this seems to be the same CPU that was used on the Atomic Pi, not exactly the fastest one out there. Even when I tried it with LXDE it wasn't the greatest

Sorry if this post is a bit all over the place, but I'm willing to answer any questions you have.
Last edit: 04 Jun 2021 02:50 by BeagleBrainz.

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04 Jun 2021 11:30 #211144 by tommylight
The thing with WiFi is, even if you make it work with the RT kernel it might mess up latency badly, so might need to disable it and use a WiFi dongle.

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04 Jun 2021 11:38 #211146 by BeagleBrainz
Yeah that's a good point and what I was thinking regarding getting a dongle.

I just had a look in the /lib/firmware/brcm dir of Mint 19 & Mint 20 whilst Mint 19 has the bin files the txt files are missing.

Maybe copying the Mint 20 txt files to Mint 19 would get it working.

The wifi should work as it's the same that the RPi4 uses.

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04 Jun 2021 13:06 #211154 by BeagleBrainz

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06 Jun 2021 10:56 #211286 by htdave
I ended up installing 19.3 from an iso I had for my odroid - pretty sure it was from beaglebrainz.

It all runs fine except no WiFi. Perhaps I should just get a usb wifi - any suggestions on a decent one?

Jitter is not good - about 250,000 max. Is this way too high even for a mesa? Anything I should be doing to reduce jitter?

Is it worth persevering with this pc, or should i get something better? It is for a VMC that will be used in our manufacturing business, so needs to be reliable.

Thanks

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06 Jun 2021 11:38 #211287 by Clive S

It all runs fine except no WiFi. Perhaps I should just get a usb wifi - any suggestions on a decent one?


I have bought several of these without any issues. I see they have gone up in price lately

www.ebay.co.uk/itm/193574883389

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06 Jun 2021 13:41 #211297 by BeagleBrainz

I ended up installing 19.3 from an iso I had for my odroid - pretty sure it was from beaglebrainz.

It all runs fine except no WiFi. Perhaps I should just get a usb wifi - any suggestions on a decent one?

Jitter is not good - about 250,000 max. Is this way too high even for a mesa? Anything I should be doing to reduce jitter?

Is it worth persevering with this pc, or should i get something better? It is for a VMC that will be used in our manufacturing business, so needs to be reliable.

Thanks


Follow the link in this post to grab the nvram file.
forum.linuxcnc.org/9-installing-linuxcnc...o-ii?start=10#211154

Like I said Mint 19 has the firmware all that is missing is the text file.
The efivars filesystem should already be mounted.
For the jitter just the usual,
Turn off any power saving and you may also use the isolcpu kernel commandline option.
Mint works with just about any USB wifi dongle.

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