N6000-PL is not showing up in 'lspci'

Hi,

Is both RHEL and Ubuntu running on the same machine and FPGA card (dual boot)? If yes, means Ubuntu config must be something wrong

Here is my Ubuntu grub (sudo nano /etc/default/grub), try set something like my configuration in bold

GRUB_DEFAULT=0
GRUB_TIMEOUT_STYLE=hidden
GRUB_TIMEOUT=10
GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian`
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"
GRUB_CMDLINE_LINUX="crashkernel=auto resume=/dev/mapper/cl-swap rd.lvm.lv=cl/root rd.lvm.lv=cl/swap rhgb quiet intel_iommu=on pcie=realloc hugepagesz=2M hugepages=200"

Wondering would it work if disabling AER, i saw some was saying on ubuntu bug forum to disable AER ( pci=noaer ) and their system boots up fine with this and didn't see any side effects. Could you try on pci=nommconf first

Copy from ubuntu forum

• pci=noaer : this shoots the messenger, so to speak. Errors still occur, but they aren't reported, and system logs keep normal proportions.

• pci=nommconf I've only recently heard about this one. It disables Memory-Mapped PCI Configuration Space, and reverts to the traditional handling of configuration space.

Just to check , did you install the OPAE/DFL (OFS) into Ubuntu?

Thanks

Regards

Kian