Subject: Re: SPARCstation 1+ installation
To: None <port-sparc@netbsd.org>
From: Andy Ball <andy.ball@earthlink.net>
List: port-sparc
Date: 07/18/2003 10:54:35
Hello,
MRG> have people tried -current in the past couple of
> weeks for the sun4c-cache problem? i thought a fix
> went in....?
A fix for the flaw, or a fix for the fix for the flaw? >:-)
PK> In fact, it wasn't a cache flush problem after all,
> but a race condition in the MMU management code.
So was there a hardware flaw at all?
PK> Also, it affected all sun4c machines and has been
> present in all previous NetBSD/sparc releases. It just
> happened to get uncovered more often by the greater
> demands on MMU resources by the VM system, especially
> on the smallest of sun4c machines (SS1, SLC, IPC).
It sounds as though whoever resolved the problem improves
life for all sun4c users.
JM> Excellent!
HN> Thank you. Thank you. Thank you.
I'll second both of those! :-)
PK> Other MMU resouce management related problems may
> still surface on these machines, such as the "all
> pmegs are gone" panic that has been reported several
> times already.
If I manage to get a system installed, I'll certainly keep
an eye out for those. I'm not sure whether to try 1.5.3 or
to wait for 1.6.2. Perhaps I should try -current for a while
to help test things?
- Andy Ball