As reported here, there is an issue with the PCI controller on the unmatched board that must be fixed in Linux (cf [1]) and u-boot: for u-boot, the upstream commit a398a51ccc68c0a7aee14f8328dc86a1a4cfba85 ("pci: Work around PCIe link training failures") should be cherry-picked for 22.04.
Thanks [1] https://bugs.launchpad.net/ubuntu/+source/linux-riscv/+bug/1964796 ** Changed in: u-boot (Ubuntu) Status: Incomplete => New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1965321 Title: u-boot 2022.01+dfsg-2ubuntu1 breaks nvme on RISC-V unmatched board To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/u-boot/+bug/1965321/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs