pcib0: mem 0xe0008000-0xe0008fff irq 24 on ofwbus0 pci0: on pcib0 simplebus0: on ofwbus0 openpic0: mem 0x40000-0x7ffff on simplebus0 fsl_msi0: mem 0x41600-0x417ff irq 224,225,226,227,228,229,230,231 on simplebus0 virtio_pci0: at device 17.0 on pci0 fatal kernel trap: exception = 0x300 (data storage interrupt) virtual address = 0x4 esr = 0x0 srr0 = 0xc02cb160 (0x2cb160) srr1 = 0x21000 current msr = 0x1000 lr = 0xc02cb160 (0x2cb160) frame = 0xc5007868 curthread = 0xc0bedb60 pid = 0, comm = swapper panic: data storage interrupt trap cpuid = 0 time = 1 KDB: enter: panic [ thread pid 0 tid 100000 ] Stopped at kdb_enter+0x74: addi r3, r0, 0x0 db> bt Tracing pid 0 tid 100000 td 0xc0bedb60 0xc50076f0: at vpanic+0x18c 0xc5007730: at panic+0x64 0xc5007770: at trap+0x1138 0xc5007790: at trap+0x3d4 0xc5007830: at powerpc_interrupt+0x190 0xc5007860: kernel DSI read trap @ 0x4 by virtqueue_dump+0x2094: srr1=0x21000 r1=0xc5007920 cr=0x44000844 xer=0 ctr=0x1 sr=0 frame=0xc5007868 0xc5007920: at device_add_child_ordered+0x54 0xc5007950: at virtqueue_dump+0x70c 0xc5007980: at device_attach+0x42c 0xc50079d0: at bus_generic_new_pass+0x164 0xc50079f0: at bus_generic_new_pass+0x11c 0xc5007a10: at bus_generic_new_pass+0x11c 0xc5007a30: at bus_generic_new_pass+0x11c 0xc5007a50: at bus_generic_new_pass+0x11c 0xc5007a70: at bus_set_pass+0x68 0xc5007a90: at root_bus_configure+0x30 0xc5007aa0: at ofw_pcibus_get_domain+0x1790 0xc5007ab0: at mi_startup+0x2b4 0xc5007af0: at __start+0x1bc