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LinuxCNC
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General LinuxCNC Questions
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09 Jul 2023 23:34 #275103
by scotth
Yes, we are at 10.10.10.10.
Running patch sudo ethtool -C eno1 rx-usecs 0
Intel device
Look at CPU history. It looks like this for weeks at a time except for failure, and then it goes spastic. Note failure time.
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09 Jul 2023 23:55 #275104
by tommylight
OK, that might be several things, so check the "processes" tab when that happens, see what is causing such CPU usage.
Another thing that can do such high usage is file system journaling, especially if the hard drive is on its way out.
Disable automatic updates, i do that always, also disable everything you do not need from the "startup applications" in "preferences" menu.
This can also happen at random if there is a broken PDF file somewhere on the drive, very hard to pinpoint, had this issue several times. Easiest way to find this out when opening file browser if the thumbnails take long to show or do not show at all for some file types.
And yes, these are all for Linux Mint, although other distros can have the same issues.
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09 Jul 2023 23:59 #275106
by rodw
Running patch sudo ethtool -C eno1 rx-usecs 0
This is only temporary and stops on a reboot. Much safer to do it in the networking config file as per the hm2_eth docs.
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10 Jul 2023 00:38 #275109
by scotth
I agree on the patch, but at this time I am the only one running the system and I know that I need to do it when I reboot.
Tommy,
My startup file is much shorter.
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10 Jul 2023 02:09 #275115
by scotth
Yes, now all I can do is wait. It has only happened every week or two, so it may be a while. Thank you for the AMT info.
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10 Jul 2023 02:18 #275116
by PCW
Watching
hm2_7i76e.0.packet-error-total
and
hm2_7i76e.0.read.tmax
Will give you more information sooner than waiting for a fatal
cluster of latency hits
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17 Feb 2024 18:11 - 17 Feb 2024 18:14 #293639
by vre
linuxcnc is on ens34 ethernet card and does not run on isolated core.
How to change this ?
My ping is low but sometimes explodes to 1-30ms.
Motherboard is shuttle XG41 and has very limited access to bios options.
Mobo has 2 onboard realtek eths / driver is from realtek installed with dkms.
# cat /proc/interrupts
CPU0 CPU1
27: 79245 0 PCI-MSI 1048576-edge ens34
28: 0 4210513 PCI-MSI 1572864-edge ens35
# cat /proc/cmdline
BOOT_IMAGE=/boot/vmlinuz-6.1.0-18-rt-amd64 root=UUID=7091baf4-ea56-4eaa-ae8f-e6cfb0baadec ro isolcpus=1 quiet
Last edit: 17 Feb 2024 18:14 by
vre.
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General LinuxCNC Questions
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