Hi Roy, thanks for your quick response. First thing, I'd like to ask you
to attach the output of "lspci -vvv" and "dmidecode" in this LP so we
can validate the adapters and be sure they are exactly the same, and
also the motherboard type. Run both commands as root user.

After that, i'll ask you to reproduce the issue and attach the output of
"dmesg" command right after reproduction. If you can also elaborate more
about the test you're running, I'd really be glad.

I'll then provide you custom commands to use the kernel trace system to infer 
more about the issue. One final thing: are you willing to test with mainline 
kernel in order to check if there's some upstream fix for your instance of the 
If so, you can get it here: 
This PPA provides a build from kernel 4.18.

Thanks in advance,


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  xhci_hcd: TRB DMA errors reported with ASMedia ASM1142 USB 3.1

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