RELENG_6 on amd64 (Sun V20Z), cvsupped today GENERIC kernel, except for additions of GEOM_MIRROR and BREAK_TO_DEBUGGER Crashes immeately on boot mpt0: <LSILogic 1030 Ultra4 Adapter> port 0x2000-0x20ff mem 0xfe850000-0xfe85ffff,0xfe840000-0xfe84ffff irq 27 at device 4.0 on pci2 mpt0: [GIANT-LOCKED] mpt0: MPI Version=1.2.12.0 mpt0: Unhandled Event Notify Frame. Event 0xa. mpt0: Capabilities: ( RAID-1E RAID-1 SAFTE ) mpt0: 0 Active Volumes (1 Max) mpt0: 0 Hidden Drive Members (6 Max) Memory modified after free 0xffffff00f3dec540(8) val=0 @ 0xffffff00f3dec540 panic: Most recently used by bus cpuid = 0 KDB: enter: panic [thread pid 0 tid 0 ] Stopped at kdb_enter+0x2f: nop db> tr Tracing pid 0 tid 0 td 0xffffffff8081e380 kdb_enter() at kdb_enter+0x2f panic() at panic+0x249 mtrash_ctor() at mtrash_ctor+0x78 uma_zalloc_arg() at uma_zalloc_arg+0x2c6 malloc() at malloc+0xa3 mpt_core_attach() at mpt_core_attach+0x71a mpt_attach() at mpt_attach+0x49 mpt_pci_attach() at mpt_pci_attach+0x895 device_attach() at device_attach+0x292 bus_generic_attach() at bus_generic_attach+0x18 acpi_pci_attach() at acpi_pci_attach+0xf1 device_attach() at device_attach+0x292 bus_generic_attach() at bus_generic_attach+0x18 acpi_pcib_attach() at acpi_pcib_attach+0xf0 acpi_pcib_pci_attach() at acpi_pcib_pci_attach+0x97 device_attach() at device_attach+0x292 bus_generic_attach() at bus_generic_attach+0x18 acpi_pci_attach() at acpi_pci_attach+0xf1 device_attach() at device_attach+0x292 bus_generic_attach() at bus_generic_attach+0x18 acpi_pcib_attach() at acpi_pcib_attach+0xf0 acpi_pcib_acpi_attach() at acpi_pcib_acpi_attach+0xdb device_attach() at device_attach+0x292 bus_generic_attach() at bus_generic_attach+0x18 acpi_attach() at acpi_attach+0x7f1 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