== DF-2381 choreography, console narration (ACHARNESS #3) ==
ACSIM-NOTE: DF-2381: blocker; NFJ; free fujitsu softc; expect trap
ACSIM: free_softc: acpi_fujitsu:0 softc=0xfffff8008bb47d10 size=208 -> kfree(M_BUS)+NULL
ACSIM-NOTE: DF-2381: softc freed+canaried; blocker times out in 30s; deferred notify_status_changed then hits sc->dev=0x4141...
(30s later, on the acpi_task helper thread:)
Fatal trap 12: page fault while in kernel mode
fault virtual address = 0x28
Stopped at      device_get_parent:      movq    0x28(%rdi),%rax