Also got a kernel panic with vsftpd.
[ 365.995067] Unable to handle kernel NULL pointer dereference
[ 366.069440] tsk->{mm,active_mm}->context = 00000000000001e9
[ 366.142656] tsk->{mm,active_mm}->pgd = fff0000009fc0000
[ 366.222674] Kernel panic - not syncing: Attempted to kill init! exitcode=0x09
[ 366.323330] Press Stop-A (L1-A) from sun keyboard or send break
[ 366.323330] twice on console to return to the boot prom
[ 366.469718] ---[ end Kernel panic - not syncing: Attempted to kill init! exi-