Forwarding to linux-pci just for completeness. https://git.kernel.org/cgit/linux/kernel/git/pci/pci.git/commit/?id=bc0b828ef6e5 is queued on pci/for-linus for v6.15 and stable. ----- Forwarded message from bugzilla-daemon@xxxxxxxxxx ----- Subject: [Bug 220010] New: Regression: 6.14.2 breaks PCI passthrough, qemu-system-x86_64: no available reset mechanism https://bugzilla.kernel.org/show_bug.cgi?id=220010 Created attachment 307958 --> https://bugzilla.kernel.org/attachment.cgi?id=307958&action=edit lspci Device: Asus Zephyrus GA402RJ dGPU: RX 6700S Kernel: 6.14.2 03:00.0: dGPU (IOMMU Group 16) 03:00.1: GPU Audio Controller (IOMMU Group 17) qemu-system-x86_64: vfio: Cannot reset device 0000:03:00.1, no available reset mechanism. qemu-system-x86_64: vfio: Cannot reset device 0000:03:00.0, no available reset mechanism. BISECTED: 792bd08a41bdc309e08ff4d429f670cbb30f2b63 03:00.0 does have `bus` in `03:00.0/reset_method`, and `03:00.1` does not have `03:00.1/reset` file. Removing `03:00.1` from PCI passthrough still shows error: qemu-system-x86_64: vfio: Cannot reset device 0000:03:00.0, no available reset mechanism. Attached lspci -vv output ----- End forwarded message -----