Hello,   there has been a linux kernel issue in the pci part. The symptoms are Armbian kernel panics. This has already been discussed in the armbian forum:   A patch has been supplied by @Pali and Marek Behún in the drivers/pci/quirks.c file. Thank you guys very much for that!   Bug report can be found here:https://bugzilla.kernel.org/show_bug.cgi?id=212695 And patch can be found here: https://lore.kernel.org/linux-pci/20210317115924.31885-1-kabel@kernel.org/