Mesa hm2/hm2_7i96s.0: error finishing read

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09 Nov 2022 17:09 #256297 by rodw
Re coalescing. 
ethtool -c eth0
will tell you if its supported on your card and list the coalescing parameters if supported.
If not, it will say.
 Operation not supported
 
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10 Nov 2022 12:11 #256345 by rodw
veWell, I did not have any luck build debs So I went back to the PCW/JT method Yesterday I saw a bit for a trick that worked.
I had my working folder in ~/devel/rtlinux to keep my home directory clean. I saw somewhere that someone reported was an issue.
I so redid it on ~/rtlinux and it worked....
EXCEPT
I have no network driver for my RT8111. IN debian its the R8168 driver.
I need to find the kernel source and work out how to install it.... any help appreciated.

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10 Nov 2022 13:03 #256346 by JT

Re coalescing. 
ethtool -c eth0
will tell you if its supported on your card and list the coalescing parameters if supported.
If not, it will say.
 Operation not supported

 

Is ethtool -c eth0 used with some other command?

JT

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10 Nov 2022 13:10 #256348 by tommylight
2 of Dell 9020 with 5 gen i7, RT 6.02 from Debian repo, LinuxCNC 2.9 from Debian repo, Intel gigabit ethernet Mesa 7i95,
No issues out of the box, besides disabling hyperthreading and C states.
Disabling Turbo is good for keeping the processor cooler, does not affect latency.
Test lasted for over an hour, watching youtube and resizing windows and stuff
All good.
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10 Nov 2022 14:17 #256356 by tommylight
Nearly 3 hours, still all good.
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10 Nov 2022 20:23 #256382 by rodw

Nearly 3 hours, still all good.

The joys of an Intel NIC! It wasn't expected on your hardware...
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10 Nov 2022 20:28 #256383 by rodw

Re coalescing. 
ethtool -c eth0
will tell you if its supported on your card and list the coalescing parameters if supported.
If not, it will say.
 Operation not supported

 
Is ethtool -c eth0 used with some other command?

JT

Probably needs sudo. Sorry.

My thoughts after  last night's failure where reltek cards are in use is to use the 5.17 kernel (or 5.19 if only supporting the R8125)
This should allow you to download and build the Realtek drivers if it is an issue
www.realtek.com/en/component/zoo/categor...pci-express-software
 

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10 Nov 2022 21:16 #256387 by zack
Broadcom chips on mac same issues
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11 Nov 2022 12:21 #256421 by zack
got smart serial port dolt not cleared from previous, any ideas

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11 Nov 2022 13:50 #256434 by PCW
Same issue, excessive Ethernet latency.

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