Subject: Re: Repeatable crashes
To: None <port-sh3@netbsd.org, port-hpcsh@netbsd.org,>
From: Andy Ruhl <acruhl@gmail.com>
List: port-dreamcast
Date: 03/05/2005 21:44:14
On Sun, 6 Mar 2005 05:23:12 +0300, Valeriy E. Ushakov <uwe@ptc.spbu.ru> wrote:
> I left my Jornada running overnight (nfs root) several times, and each
> morning I'd found that it rebooted. Quick test shows that what kills
> it is
>
> df -hil -t nokernfs,procfs,null,fdesc
>
> in /etc/daily. This command usually crashes the machine (it does not
> even drop to ddb) from the frist attempt, though sometimes I have to
> run it several times. Christos suggested that a huge struct statvfs
> sbuf in sys_statvfs1 may cause kernel stack overflow. But attempts to
> add debug printfs to sys_statvfs1 makes the bug disappear.
>
> Any suggestions on how to debug it? Do you see this on other sh3
> ports?
I'm pretty sure a bunch of us have left our Dreamcasts up for days on
end without this problem. I remember some reboots, but I don't think
they happened lately. But I haven't booted my dreamcast in a while
now, honestly. A few months.
Andy