motherboard for linuxcnc uspace + mesa 7i80hd

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29 Jul 2018 23:19 #115093 by vre
Witch motherboard for linuxcnc uspace + mesa 7i80hd

Asrock J5005-ITX
or
Asrock J4105M (microATX)

?
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30 Jul 2018 00:59 #115099 by PCW
They are both intel and pretty similar performance wise so I dont think it would make much difference.
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30 Jul 2018 03:29 - 30 Jul 2018 03:30 #115101 by vre
7i80hd has some requirements from ethernet card ?
For example works with
Realtek RTL8111H / Realtek RTL8111E
?
Also for touch screen what i must see before order ?
Last edit: 30 Jul 2018 03:30 by vre.
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04 Aug 2018 02:04 #115575 by vre
i got Asrock J4105M (microATX) because has parallel + 2 serial
also 30euros cheaper from j5005-itx .
When i receive i will inform for jitter and if it is suitable for linuxcnc.
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28 Aug 2018 16:46 - 31 Aug 2018 12:12 #116722 by vre
I got asrock J4105M but intel onboard gpu with stock preempt-rt kernel does not work
needs kernel >= 4.18 to work.

Iam building new kernel now
so in 3 hours after compiling finish i will know..
Last edit: 31 Aug 2018 12:12 by vre.
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28 Aug 2018 16:49 #116723 by PCW
Yes, I'm running 4.16 on a couple of test machines

(even 4.18 works though I would not suggest 4.18 for general use yet)
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28 Aug 2018 16:57 - 28 Aug 2018 17:00 #116724 by vre
ok iam building it in debian stretch(stable) with linuxcnc 2.7.14 installed from linuxcnc.org repo..
I have tried 4.18 but rt patch fails to aplied.

I have tried to install 2.7.14 from linuxcnc.org repo to debian sid but fails because is missing 1 depedency
Last edit: 28 Aug 2018 17:00 by vre.
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28 Aug 2018 17:06 #116725 by PCW
You may have a build script error with 4.18

It does build and make a working kernel:
freeby.mesanet.com/8300-4.18.png

missing dependencies are to be expected (and fixed) :-)
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29 Aug 2018 02:14 - 29 Aug 2018 02:27 #116756 by vre
When i apply patch to 4.18.5 it fails here
$ xzcat ../patch-4.18-rc8-rt1.patch.xz | patch -p1
patching file Documentation/driver-api/libata.rst
patching file arch/Kconfig
Hunk #1 succeeded at 20 (offset 3 lines).
patching file arch/alpha/include/asm/spinlock_types.h
.........................................................
patching file init/main.c
Hunk #1 FAILED at 561.
1 out of 1 hunk FAILED -- saving rejects to file init/main.c.rej


$ cat init/main.c.rej
--- init/main.c
+++ init/main.c
@@ -561,6 +561,7 @@ asmlinkage __visible void __init start_kernel(void)
setup_command_line(command_line);
setup_nr_cpu_ids();
setup_per_cpu_areas();
+ softirq_early_init();
boot_cpu_state_init();
smp_prepare_boot_cpu(); /* arch-specific boot-cpu hooks */
Last edit: 29 Aug 2018 02:27 by vre.
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29 Aug 2018 03:52 #116760 by PCW
I would not expect a patch set for 4.18-rc8 to apply to 4.18.5
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