Date:  Fri, 05 Nov 2004 22:48:31 -0500
From:  madodel at ptdprolog.net
Subject:  [VOICENWS] SW: 20041105 testcase kernels


Forwarded message from "Scott G." on Fri, 5 Nov 2004 18:11:33 UTC

 Posted on: comp.os.os2.bugs

I put up new kernels today. I've been messing with "pentium 4 fixes" 
lately, so I'd appreciate (brief, if possible) feedback as to whether
there  are any anomalies, particularly relating to APM or TESTCFG
initialization, or  any sign of the infamous doscall1.dll sys3175s during
boot on P4 (and  Opteron) systems with more than 512mb of RAM installed.

*** Warning ***   Do NOT use these kernels on Pentium Pro systems.

 -Scott

[Moderator note: As always these are not officially supported by IBM
unless they tell you to use them.  

 Download from <ftp://testcase.boulder.ibm.com/ps/fromibm/os2/>

  **** Please send any followup to comp.os.os2.bugs on usenet.  ****

Also note that files are only on IBM's testcase for 2-3 days, so if you
want to try these get them now.   Make certain you back up any files
replaced and don't try these on a production system.  Read any readme file
before applying any changes.  If your system is working well, and you have
no problems addressed by these updates, do yourself a favour and don't
mess with this.  You have been warned. 

The UNI and SMP files are for WSeB/ACP/eCS Pro (SMP kernel) and the W4
files are for post FP15/MCP versions, including eComStation.  Only use the
SMP kernel on a machine with more then one CPU.]

From the readme file:

  20041103 14.100d
  	WITHDRAWN

  20041105 14.100e
  	****** WARNING: Do NOT use this version on a Pentium Pro machine.
	    For the benefit of everyone else, I have temporarily removed a
	    workaround for a P-Pro chip bug. This will improve performance
	    under heavy load by a few percent for all other machines by 
	    correctly aligning the IDT entry.

	JR20486  More sys3175 during bootup on Pentium 4s (and maybe Opterons?)
		 with >512mb of RAM

	- changedd vmco_s to be 8 bytes instead of 5. This will break tools that
	depended on that length and will use an extra 184kb of resident memory.
	However, it greatly speeds up some memory management operations.

--
 Warpstock Europe 2004, Arnhem, The Netherlands, November 26-28th, 2004
http://www.warpstock.net
 Warpstock 2005 - Where/When? Stay tuned to http://www.warpstock.org

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