On Sat, Jun 03, 2023 at 05:52:14PM +0200, Damien Dejean wrote: > Hi linux-pci, > > I recently installed Debian with a 5.10 kernel on an old Asus X73SL > laptop. To be able to boot and use it properly I needed to use > pci=nomsi, it seems that neither the GeForce9300M or the atheros > wifi card (both PCI-E) would work with MSI enabled. > > I’m suspecting now the chipset does not support MSI at all. I’d be > happy to contribute the quirks to the kernel if it is the case. > Could you give me some guidelines to verify this hypothesis ? Should > I check the ACPI table to see if the information is available ? How > can I check if MSI is supposed to be supported or not ? Thanks a lot for the report! Users should never have to use "pci=nomsi", so it would be good if we can fix this. Can you collect the complete dmesg log? Also the output of "sudo lspci -vv"? There is a bit in ACPI that tells us if we can't enable MSI, but we should mention that in the dmesg log if it's set. Bjorn