Mesa hm2/hm2_7i96s.0: error finishing read

I might try that tomorrow on my debian 13 test SSD but I'm not trying it on my dev PC LOL.

JT

JT wrote:

I might try that tomorrow on my debian 13 test SSD but I'm not trying it on my dev PC LOL.

JT

Let us know how you get on. Just check the package name I used against the experimental link I shared in case they've rolled forward to kernel 6.1 or something silly!

So I followed PCW's advice and added his flags to GRUB commandline
Some improvement in latency but got a following error within a few seconds
So I decided to upgrade the kernel

Followed these instructions  wiki.debian.org/DebianExperimental

added this to /etc/sources.list then ran these commands
Rebooted into the 6.0 PREEMPT_RT Kernel
Latency seemed improved but got latency errors and the 7i76e TMAX did not seeme to improve. I might remove PCW's settings and see what happens.

It happened to me, too!
Installed Mint 21 and RT 5.18 and it looses connection very, very quickly. Servo period at 2ms and it works all day.
Installed the 6.0 rc7 RT kernel, same damn thing as with 5.18, soooo..
Installed the 5.10 RT kernel and no issues at all at 1ms servo period, all day today.
Had already installed also the 4.19 RT but did not test as 5.10 worked.
Just in case, here is the link to 5.10 RT for AMD, just choose a mirror:
packages.debian.org/bullseye/amd64/linux...18-rt-amd64/download

I just installed the 5.10.0-18-rt-amd64_5.10.140-1_amd64.deb on my Debian 11 test machine and have my 7i96 running for an hour now with no errors.

JT

JT wrote:

I just installed the 5.10.0-18-rt-amd64_5.10.140-1_amd64.deb on my Debian 11 test machine and have my 7i96 running for an hour now with no errors.

JT

Me too!
Reverted to a Gigabyte N3160 USFF PC rthat already had Debian 11 installed (non-rt) and installed 5.10.0-18-rt-amd64 kernel with Synaptic. Compiled master as RIP
Latency was awesome after adding isolcpus=2,3 but I was still getting error finishing read.
Coaxed Linux to tell me that the NIC hardware was a Realtek RT8168.  I installed the Debian r8168-dkms driver and the problem seems to be solved.
hm2_7i76e.0.read.tmax has been sitting stable at 717140  for an hour or so. Before changing the driver it was up over 2,000,000!

So I think its fair to say the issue is Linux is installing the wrong NIC driver by default or has poor driver support for some Realtek NIC's from kernel 5.10 and on.