If i plug my Logitech USB Keyboard into a Vivanco USB Hub instead of directly into the mainboard, FreeBSD hangs while probing the PCI Bus.
Can anybody explain this behaviour to me?
If i but whithout ACPI i get
atapci0: unable to map interrupt ata2:on atapci0 Fatal trap 12: page fault while in kernel mode fault virtual address = 0x8 fault code = supervisor read, page not present instruction pointer = 0x8:0xffffffff802ce5f1 stack pointer = 0x10:0xffffffff807ce8b0 frame pointer = 0x10:0xffffffff807ce900 code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, long 1, def32 0, gran 1 processor eflags = interrupt enabled, resume, IOPL = 0 current process = 0 (swapper) [thread pid 0 tid 0 ] Stopped at rman_get_bustag+0x1: movq 0x8(%rdi),%rax db> where Tracing pid 0 tid 0 td 0xffffffff8066e240 rman_get_bustag() at rman_get_bustag+0x1 ata_pcichannel_reset() at ata_pcichannel_reset+0x8c ata_attach() at ata_attach+0x135 device_attach() at device_attach+0x292 bus_generic_attach() at bus_generic_attach+0x18 ata_pci_attach() at ata_pci_attach+0x17c device_attach() at device_attach+0x292 bus_generic_attach() at bus_generic_attach+0x18 pci_attach() at pci_attach+0x7a device_attach() at device_attach+0x292 bus_generic_attach() at bus_generic_attach+0x18 legacy_pcib_attach() at legacy_pcib_attach+0x6e bus_generic_attach() at bus_generic_attach+0x18 legacy_attach() at legacy_attach+0x9c device_attach() at device_attach+0x292 bus_generic_attach() at bus_generic_attach+0x18 nexus_attach() at nexus_attach+0x19 device_attach() at device_attach+0x292 root_bus_configure() at root_bus_configure+0x1e configure() at configure+0xa mi_startup() at mi_startup+0xd3 btext() at btext+0x2c db> panic