SUMMARY:Unaligned Memory Hole

From: Lars Bro <lbr_at_nettest.dk>
Date: Tue, 18 Jan 2000 09:28:44 +0100

Hi, Managers.

The following message appears on the console during boot of a 2 processor
1200 with 1 Gb memory and freshly installed Tru64Unix 4.0f:

pmap_get_align: Unaligned memory hole found: rpb_cluster[4]
0xffffffffff800e38
Please reset the system to clear any previous memlimit.

It does not seem to make any harm, the machine runs OK. It does not help to
power cycle the machine.

Other members of the list have had the same problem, also with the same kind
of machine. Here is the answer from Eskil Swahn:

> Been there, done that. You have applied the latest patchkit to 4.0F which
> unfortunately contained a patch which was broken. If you made the patches
> reversible you can easily delete the patch in question. Patch 0118.00
> (SSRT0563U) is the one to delete. Several other patches in the patch kit
> depend on it and you will be forced to delete them as well. Then after
the
> kernel rebuild your machine will stop losing memory. I have only been
able
> to reproduce this on an AS1200 with 1 G RAM. One of our AS4100 run fine
> with the patch applied but that's a different story.

However, removing patch 118 seems to be a tiresome affair as some other
patches have to be removed as well. So, as long as the machine otherwise
behaves well (Fortunately only a system test host) I will keep the patch.

Then we'll see....

Thanks to Eskil Swahn, Thomas Strandnæs, Knut Hellebø, Rodrigo Poblete and
Tom Blinn

--
What does a     Lars Bro
process need    GN Nettest A/S
to become a     Kirkebjerg Alle 90
daemon ?        DK-2605 Brøndby Denmark
 |||
 \|/  . ,       +45 72 11 22 00
  |  ( v )      +45 72 11 24 05 (direct)
  |\/  |        lbr_at_nettest.dk
  |  _/ \_
 ..a fork()
Received on Tue Jan 18 2000 - 08:29:31 NZDT

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