Re: SMP on SS10 with 2.4
hi
right... sorry they are 16meg modules ;)
total is 160meg, that is 2x64+2x16
but as 2x16=32 my head just wrote 32... probably need to reboot ;)
thanks
emanuel
On Fri, 29 Nov 2002 11:27:09 -0600
Jonathan Crockett <jcrockett@midco.net> wrote:
> I think your problem is that the only two sizes of DIMMs supported
> on a Sparc 10 are 16 and 64 megs.
>
> Check out
> http://sunsolve.sun.com/handbook_pub/Devices/Memory/MEM_Modules.html#4m_SIMM
>
> HTH,
> Jonathan Crockett
>
> On Fri, Nov 29, 2002 at 06:14:45PM +0100, Emanuel Schmid wrote:
> > Hi again
> >
> > I've done some more experiments:
> > I have two 64meg and two 32meg modules in my ss10.
> >
> > If I put in only one module, 2.4.20rc2 works fine.
> >
> > If I put in the two 64meg modules, 2.4.20rc2 works nearly well. First
> > the modules have to be in the right slots (see sun homepage). Second
> > there are some moments the system sleeps for about 10 seconds. I could
> > not yet determine what causes this stops besides the fact, that it is
> > a memory-related problem (what a surprise ;) )
> >
> > If I put in all four modules, I get where I was before - nothing
> > works.
> >
> > Besides this I noticed some strange differences between 2.4.20rc2 and
> > 2.2.21 (both smp):
> > - With two 64meg modules, 2.2.21 counts about 127meg, 2.4.20rc2 counts
> > about 124meg. I did not know that the kernel version does have an
> > affect on the installed memory ;)
> > - With 2.2.21 the dual hyperSparc at 125Mhz produces about 125bogomips
> > per
> > cpu, with 2.4.20rc2 it produces about 109bogomips. This decrease in
> > doing
> > nothing has been observed before on suse-sparc.
> > If I calculate 2^100000 with bc, there is no time difference for the
> > two kernels. This probably does not mean anything, I just wanted to
> > see if I can prove this in an easy way.
> >
> > Can someone reproduce similar problems (Hartwig?)?
> > Is there a sparc-kernel-mailing-list or is lkml the place for such
> > problems?
> > Did I something that I should not on sparc? I'm sparc-newbie...
> >
> > Thanks
> > Emanuel
> >
> >
> > On Sat, 23 Nov 2002 03:39:12 +0100
> > Hartwig.Atrops@t-online.de (Hartwig Atrops) wrote:
> >
> > > Hi.
> > >
> > > Some comments.
> > >
> > > On Saturday 23 November 2002 02:46, you wrote:
> > > > rehi
> > > >
> > > > > I use 2.4.18 on my SS20 (2 Ross Hypersparc 125 MHz, 196 MB).
> > > > > Sometimes (not very often) the machine freezes for a while when
> > > > > X is starting during the boot process (network alive at that
> > > > > moment). But overall, it works fine.
> > > >
> > > > so cpu and openprom can't be the problem... nice to know
> > > >
> > > I startetd my SS20 a few minutues ago. This time it was hanging
> > > again after most of the startup stuff had been done. Only X was
> > > missing - network was already up. A simple ping from another machine
> > > solved the problem.
> > >
> > > > > Hmm. I recently baught a VSIMM for the onboard high resolution
> > > > > graphics. With that module installed, I have the same problem:
> > > > > everything ok in the beginning, but when init starts ...
> > > > >
> > > > > When I remove the module and connect the monitor to the SBUS
> > > > > graphics, the SS20 works fine again. And when I remove the SBUS
> > > > > card and install the VSIMM, I get an SBUS error when init should
> > > > > start.
> > > > >
> > > > > Which graphics on your SS10? Might that be a hint?
> > > >
> > > > there is no graphic in my SS10... serial console is enough ;)
> > > > and i tried with all sbus cards removed, so they should not be the
> > > > problem...
> > > > on the other hand... could it be that a framebuffer solves my
> > > > problem? got to try that tomorrow...
> > > >
> > > Hmm, I don't think so, the problem showed up as I installed the
> > > second one ...
> > >
> > > > thanks for your answer!
> > > > emanuel
> > >
> > > After thinking a little bit more, it seems to me that I mixed up two
> > >
> > > different problems - showing up at different times. The startx hang
> > > occures quite seldomly, and only since I installed the second CPU
> > > (with kernel recompile, smp support). The hang at init start is
> > > reproducable, I only have to plug in the Video SIMM Module.
> > >
> > > I have to do a little bit more testing, but I have a problem: at the
> > > moment, the SS20 is my main workstation at home. If I kill that
> > > machine, my mail account is down 'till I have another machine up and
> > > running. Therefor I stopped any experiments with the VSIMM module -
> > > at least for some weeks.
> > >
> > > If you have any information about the problem(s), please keep me
> > > informed. So will I.
> > >
> > > Regards,
> > >
> > > Hartwig
> > >
> > >
> > >
> >
> >
> > --
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> > with a subject of "unsubscribe". Trouble? Contact
> > listmaster@lists.debian.org
> >
>
> --
> Jonathan Crockett
> Network Engineer
> Midcontinent Communications
>
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