Re: Random hangs on 5.0 on R5000 Challenge S

[Izumi Tsutsui <tsutsui%ceres.dti.ne.jp@localhost>]

fr30%dial.pipex.com@localhost wrote:

> christos%astron.com@localhost (Christos Zoulas) wrote:
> > >
> > >I have a R5000 Challenge S which has been running NetBSD 4.0 quite
> > >happily. Today I upgraded it to 5.0 and now I'm seeing random hangs.
 :
> No, the system hangs completely before it gets to the login prompt.
> However, I can drop into ddb on the console.
> 
> As an experiment today, I moved the disk into another Challenge S in my
> collection, this time with a R4400 CPU. So far, I haven't had any hangs
> on the R4400 system, I can login, compile programs, access the network
> and everything works normally. That suggests to me that problem may be
> R5000 specific, maybe a cache issue?

Last time I tried 5.0 on R5000 Indy, I saw some hangs.
I have not tracked the problem, but R5000 O2 works fine
so maybe there are some IP22/R5000 specific problems.
(probably around wdsc SCSI?)

---
Izumi Tsutsui