As reported in the link below, a user indicates this device generates spurious interrupts when used with vfio-pci unless DisINTx masking support is disabled. Quirk the device to mark INTx masking as broken. Reported-by: zdravko delineshev <delineshev@xxxxxxxxxxx> Closes: https://lore.kernel.org/all/VI1PR10MB8207C507DB5420AB4C7281E0DB9A2@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx/ Signed-off-by: Alex Williamson <alex.williamson@xxxxxxxxxx> --- FWIW, a web search has a couple other hits of users experiencing problems trying to assign this device which seems to corroborate this most recent report. drivers/pci/quirks.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index a2ce4e08edf5..c7596e9aabb0 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -3608,6 +3608,8 @@ DECLARE_PCI_FIXUP_FINAL(0x1814, 0x0601, /* Ralink RT2800 802.11n PCI */ quirk_broken_intx_masking); DECLARE_PCI_FIXUP_FINAL(0x1b7c, 0x0004, /* Ceton InfiniTV4 */ quirk_broken_intx_masking); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CREATIVE, PCI_DEVICE_ID_CREATIVE_20K2, + quirk_broken_intx_masking); /* * Realtek RTL8169 PCI Gigabit Ethernet Controller (rev 10) -- 2.46.0