For grub2, edit /etc/default/grub and add pciehp.pciehp_force=1 to GRUB_CMDLINE_LINUX_DEFAULT. Then save the file and run update-grub. In my case, this makes both card readers work correctly under 9.10 on an AAO 110L.
For grub2, edit /etc/default/grub and add pciehp. pciehp_ force=1 to GRUB_CMDLINE_ LINUX_DEFAULT. Then save the file and run update-grub. In my case, this makes both card readers work correctly under 9.10 on an AAO 110L.