On Mon, Feb 10, 2025 at 6:07 PM Bjorn Helgaas <helgaas@xxxxxxxxxx> wrote: > > #regzbot link: https://bugzilla.kernel.org/show_bug.cgi?id=219765 > > I don't see an obvious culprit between v6.12 and v6.13, suggested > bisection if possible. > > Workaround: boot with pcie_port_pm=off > > Given the workaround, maybe it's worth trying a revert of this: > > dc421bb3c0db ("PCI: Enable runtime PM of the host bridge") I would ask the reporter to revert it and see if that helps. The vfio-pci 0000:01:00.1: Unable to change power state from D0 to D3hot, device inaccessible message in the failing case is kind of unexpected. Overall, it would be good to understand what's going on so we don't miss an opportunity to fix something. > ----- Forwarded message from bugzilla-daemon@xxxxxxxxxx ----- > > https://bugzilla.kernel.org/show_bug.cgi?id=219765 > > Created attachment 307599 > --> https://bugzilla.kernel.org/attachment.cgi?id=307599&action=edit > dmesg logs for the kernel in which gpu passthrough works > > After upgrading from Linux 6.12.10 to Linux 6.13.0, VFIO GPU passthrough fails > for an NVIDIA GPU (AD107). The GPU is not passed through to the VM, and its > audio device (01:00.1) disappears from Virt-Manager. This issue does not occur > in Linux 6.12.10. > > I have attached the logs. >
