I did a little bit of research on the Razer Core Chroma usb card.
This card uses 3 ASM1142 pcie to usb bridges (let's call them IC_0,
IC_1, IC_2) and the PCIe 4x connector is wired in a non-standard way.
IC_0 is wired up to the PCIe in a normal fashion using only the pcie
lane 0 (TX and RX) and
Hello, I have a Razer Core Chroma with this USB contoller, and I can
confirm that this issue still present at 5.9.16.
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https://bugs.launchpad.net/bugs/1749961
Title:
xhci_hcd: TRB DMA
