https://bugzilla.kernel.org/show_bug.cgi?id=218795 Bug ID: 218795 Summary: USB4 / Thunderbolt + AMD: unstable and slow link (many uncorrectable errors) Product: Drivers Version: 2.5 Hardware: All OS: Linux Status: NEW Severity: normal Priority: P3 Component: USB Assignee: drivers_usb@xxxxxxxxxxxxxxxxxxxxxx Reporter: guilhem@xxxxxxxxxx Regression: No Created attachment 306247 --> https://bugzilla.kernel.org/attachment.cgi?id=306247&action=edit logs with thunderbolt debug Context laptop : Asus UM5302TA CPU : AMD Ryzen 7 6800U egpu case : Razer Core X Chroma, thunderbolt 3 GPU : nvidia + opendriver 550.78 Ubuntu 24.04, kernel 6.7 / 6.8 / 6.9 when plugging thunderbolt cable: ``` [...] pci 0000:35:00.0: 2.000 Gb/s available PCIe bandwidth, limited by 2.5 GT/s PCIe x1 link at 0000:00:04.1 (capable of 31.504 Gb/s with 8.0 GT/s PCIe x4 link) [...] ``` ``` nvidia 0000:35:00.0: PCIe Bus Error: severity=Uncorrectable (Non-Fatal), type=Transaction Layer, (Requester ID) nvidia 0000:35:00.0: device [10de:2504] error status/mask=00100000/00000000 nvidia 0000:35:00.0: [20] UnsupReq (First) nvidia 0000:35:00.0: AER: TLP Header: 40001001 0000000c ad08000c f7f7f7f7 ``` I tried many cables (tb3, tb4, etc). -- You may reply to this email to add a comment. You are receiving this mail because: You are watching the assignee of the bug.