[LispM-Hackers] Outageness

[ford@objs.com]

Nyef wrote:

> On Sat, 23 Feb 2002, John Morrison wrote:
>
> > Hi;
>
> Hello.
>
> > Nyef wrote:
> > > Right now it's basically impossible to run E3 with 192MB of memory (RAM +
> > > Swap). I have a little more than that, and it still chokes (funny messages
> > > from the kernel VM system and everything).
> >
> > What OS are you using, if I may be so bold as to ask?  What is the exact
> > complaint?
>
> FreeBSD 4.3-RELEASE.
>
> The complaint is that I don't like seeing messages like:
>
> Jan  2 09:40:04 hitomi /kernel: swap_pager: indefinite wait buffer:
> device: #ad/0x20001, blkno: 61728, size: 4096
>
> in my system log. Or the way the system takes tens of seconds to do
> anything when it's spitting those kind of messages out. I suppose that
> this could be a problem with the disk that the swap space is on, but e3 is
> the _only_ program I've run into that triggers it (and it did so
> reliably).
>
> > Maybe that this is analogous to the problem of running CMUCL on Linux
> > (which, by the way, I personally ran into) - you've got to tell the
> > kernel that "hey, it's OK to 'overcommit' memory."  I think you have to
> > do something heinous like echo a "1" into some /proc pseudo-file (geez,
> > am I the only guy around here that feels he needs to take a shower when
> > he does something like that?  Don't even get me started about trying to
> > put a 160GB disk on my Linux box ... ugh).
>
> Mmm... Makes IOCTL look clean by comparison. I don't see any sysctl
> parameter for overcommit, though... Not that it would have to be called
> that...
>
> > > > > There's a pile of textified chapters of ssdn2 that aren't on unlambda.com
> > > > > up at http://www.dridus.com/~nyef/lispm/ssdn2/ and now that there appears
> > > > > to be a point again I may find time to do a few more soon...
> > > >
> > > > I'm still caught up with taking care of networking things, so I'll
> > > > get to that soon, though not instantly.
> > >
> > > Okay, just making sure that you know that they're there.
> >
> > Bless you.  I shall go and try and scam, er, download them.  Thanks for
> > the help!
>
> No problem. Hopefully I can get the remaining 9 or so sections done
> soon...
>
> I don't suppose anyone has a copy of SPECIFICATION:  EXPLORER II
> PROCESSOR, part number 2540834, do they? (or is that Explorer II Processor
> Board Specification, part number 2540834-0001?)

I don't have a manual with that part number or name, but I have:

Explorer II TM Processor and Auxiliary Processor Options General Description
2537187-0001  Orig  Jun 87 .

What are you looking for?

Steve

>
>
> > -jm
>
> ---------------------------
> All programming can be viewed as an exercise.
> ---------------------------
> Alastair Bridgewater
> e-mail: nyef@softhome.net
>
> http://lists.unlambda.com/mailman/listinfo/lispm-hackers

--
Steve Ford
Object Services and Consulting, Inc.
225 State Rd
West Grove, PA 19390
(610)345-0290
(610)444-4445 FAX