On Tue, Feb 01, 2022 at 10:50:37AM +0000, Maciej W. Rozycki wrote: > Attempt to handle cases with a downstream port of the ASMedia ASM2824 > PCIe switch where link training never completes and the link continues > switching between speeds indefinitely with the data link layer never > reaching the active state. > > It has been observed with a downstream port of the ASMedia ASM2824 Gen 3 > switch wired to the upstream port of the Pericom PI7C9X2G304 Gen 2 > switch, using a Delock Riser Card PCI Express x1 > 2 x PCIe x1 device, > P/N 41433, wired to a SiFive HiFive Unmatched board. In this setup the > switches are supposed to negotiate the link speed of preferably 5.0GT/s, > falling back to 2.5GT/s. Can you collect the complete dmesg and lspci output, please?
