Subject: re: reboot hangs
To: Andrei Petrov <firstname.lastname@example.org>
From: matthew green <email@example.com>
Date: 03/12/2001 00:33:32
I noticed that if I run ultra2 long enought any reboot command
(fastboot, fasthalt, reboot) hangs so machine should be power-cycled.
I don't know how long is 'long enought' because I use machine
in two limits, whether trace+ddb+no-load or normal under load.
I havn't noticed any harm or system degradation. Is there anything
I can check before issuing reboot. Some directions are needed.
this is a 'known problem.' my U5 will hang if i boot it, build a
kernel from scratch, and try to reboot it. it _isn't_ swap related
because my ultra's don't swap. it happens when entering the prom,
and isn't restricted to shutdown. eg, a `mach prom' from ddb will
hang if the machine has been sufficiently active. it *definately*
seems to be triggered by activity... if my U5 sits idle for several
days, doing nothing, it reboots fine. my U1 which never normally
reboots, and is typically very active, _always_ hangs at rebot time.
it is very annoying.