> > > that OS cannot get control of SHPC hotplug and hotplug device to > > > the PCI bridge will fail when we use SHPC Native type: > > > > > > [3.336059] shpchp 0000:00:03.0: Requesting control of SHPC hotplug via > > > OSHP (\_SB_.PCI0.S28_) > > > [3.337408] shpchp 0000:00:03.0: Requesting control of SHPC hotplug via > > > OSHP (\_SB_.PCI0) > > > [3.338710] shpchp 0000:00:03.0: Cannot get control of SHPC hotplug > > > > > > Add OSHP method support for transfer control to the operating system, > > > after this SHPC driver will be loaded success and the hotplug device to > > > the PCI bridge will success when we use SHPC Native type. > > > > > > [1.703975] shpchp 0000:00:03.0: Requesting control of SHPC hotplug via > > > OSHP (\_SB_.PCI0.S18_) > > > [1.704934] shpchp 0000:00:03.0: Requesting control of SHPC hotplug via > > > OSHP (\_SB_.PCI0) > > > [1.705855] shpchp 0000:00:03.0: Gained control of SHPC hotplug > > > (\_SB_.PCI0) > > > [1.707054] shpchp 0000:00:03.0: HPC vendor_id 1b36 device_id 1 ss_vid 0 > > > ss_did 0 > > > > please describe in commit message reproducer > > (aka QEMU CLI and guest OS and if necessary other details) > > qemu-system-x86_64 -machine pc-q35-9.0
sorry, it is -machine pc-i440fx-9.0 > ... > -global PIIX4_PM.acpi-pci-hotplug-with-bridge-support=off >
