Re: GENERIC and ALPHA configurations

On Thu, Sep 28, 2006 at 03:13:52PM +0200, Pavel Cahyna wrote:
> there are GENERIC and ALPHA configurations in sys/arch/alpha/conf. A
> comment in GENERIC says:
> 
> "The generic kernel on NetBSD/alpha does enough to get booted, etc., but
> not much more.  For a more complete kernel see the ALPHA machine
> description file."
> 
> and
> 
> "If you add stuff to this, please add it to the ALPHA configuration, too."
> 
> This seem strange. Shouldn't GENERIC itself be a reasonably complete
> kernel?
> 
> Also, the request to add stuff to ALPHA was ignored several times, leading
> to a situation whre ALPHA is no longer a superset of GENERIC.
> 
> Could I just merge the two and remove ALPHA?

Attached is a proposed new GENERIC, a kernel compiled from it boots on 
DEC 3000 - 300LX, DEC 3000 - M600 and 164LX. I will commit it soon if
there are no objections.

Pavel

# $NetBSD: ALPHA,v 1.222 2006/09/27 21:42:04 manu Exp $
#
# This machine description file is used to generate the default NetBSD

Silo overflows on 264DP running MP

It seems the 3.1 MP kernel still has some issues. I get tons of these 
messages in my syslog.

Jan  1 21:15:52 hogrelius /netbsd: com1: 1 silo overflow, 0 ibuf floods
Jan  1 21:16:55 hogrelius /netbsd: com1: 1 silo overflow, 0 ibuf floods
Jan  1 21:18:27 hogrelius /netbsd: com1: 2 silo overflows, 0 ibuf floods
Jan  1 21:20:01 hogrelius /netbsd: com1: 1 silo overflow, 0 ibuf floods
Jan  1 21:30:20 hogrelius /netbsd: com1: 2 silo overflows, 0 ibuf floods
Jan  1 21:31:53 hogrelius /netbsd: com1: 1 silo overflow, 0 ibuf floods

It causes the connection to my UPS to be dropped, but I wouls suspect that 
these are only symptoms of something else. After googling around a bit I 
found info about this having to do with the MP code in the kernel. I'm not 
nearly a good enough programmer to solve or even locate the source of the 
errors.

Cheers,
Anders

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This mail was sent on Mon 01/01/07 at 12:32PM PST

"I think they're going to take all this money that we spend now on war
and death --"
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 		   stardate unknown.

*************************************************************************

Re: Continued problems with SMP on NetBSD/alpha

Salut,

As a side note, I have disabled SMP over christmas, and the machine still
crashed in the same way. I have attempted to send a break to it using the
VT420, and while the break apparently was transmitted (it worked when I
tested it later), I didn't get a ddb.

I guess the only chance is really to take a second alpha and to test it on
that one, with kgdb and all. I only wonder whether I'll be able to
reproduce the problem.

Should I post further information to some place?

				Tonnerre

Re: Continued problems with SMP on NetBSD/alpha

Salut,

On Sat, Dec 23, 2006 at 03:19:32PM -0700, Michael L. Hitch wrote:
> >Is there any chance to get hold of this fix for some 
> >further testing?
> 
>  Both fixes have been in the tree for over 16 months, 
> including the netbsd-3 branch.

Could you please point me to the patches?

Also, I talked to a friend who also possesses similar alpha machines
but operated them under Linux. He said that the SCSI controllers
caused problems in several cases. In this box here, there is a Qlogic
1020 and an Adaptec 29160. According to him, there were problems with
the Qlogic SCSI HBA (which is required for booting) under high I/O
loads, maybe also on the Adaptec, under older Linux versions. There
was a patch by a weird company that apparently went bankrupt, which
was about 2.5MB and fixed a lot of stuff in the Qlogic driver. This
patch apparently made the driver work.

Maybe this is a related problem? He reported that there were frequent
full halts of the system when the I/O load on the bus was a bit higher.

I attached my dmesg for people to be able to look into it.

				Tonnerre

Copyright (c) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005

Package binaries for NetBSD/alpha 4.0_BETA / pkgsrc-2006Q3

Hi,

I've uploaded the new files in the results of a bulk build for
NetBSD/alpha 4.0_BETA to

   ftp://ftp.NetBSD.org/pub/pkgsrc/packages-2006Q3/NetBSD-4.0/alpha/

A total of 2.0GB of packages were uploaded.  Among the packages
available in new versions are: abiword, amavisd-new, ap2-php5,
bugzilla, clamav, cups, firefox, foomatic-filters, gtexinfo,
guile-gtk, ingo, libarchive, milter-greylist, mutt, mysql-client,
mysql-server, openssh, php (4 & 5), phpmyadmin, png, postgres*,
proftpd, qt3, ruby18-base, screen, squid, tcl-postgresql74,
thunderbird, and wireshark.

The source tree this was built from was updated November 21.

As indicated above, the build was done on a machine running
NetBSD 4.0_BETA, so these packages are not compatible with
installations using packages from before we switched to gcc 4.

This is the last build of pkgsrc-2006Q3 for this OS/arch
combination; the build host will next build packages from the
pkgsrc-2006Q4 branch.

Regards,

- Håvard

Re: Silo overflows

> It seems the 3.1 MP kernel still has some issues. I get tons of these
> messages in my syslog.

I've been getting these for years on 164lx and multia.
It's not just 3.1 or 264DP or MP kernel.

Re: Silo overflows

On my 264DP it seems to be related to the MP code as it runs without any 
problems with a uniprocessor kernel. There are other issues as well as I 
can't have a CD-ROM connected to the IDE interface. If I do the SCSI 
drivers can't find the disks and the box panics when I try to boot. Again 
this is only with the MP kernel and not with the uniprocessor kernel.

Cheers,
Anders

On Wed, 3 Jan 2007, Dieter wrote:

> Date: Wed, 03 Jan 2007 13:48:53 +0000
> From: Dieter <netbsd <at> sopwith.solgatos.com>
> To: port-alpha <at> NetBSD.org
> Subject: Re: Silo overflows
> 
>> It seems the 3.1 MP kernel still has some issues. I get tons of these
>> messages in my syslog.
>
> I've been getting these for years on 164lx and multia.
> It's not just 3.1 or 264DP or MP kernel.
>

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This mail was sent on Wed 01/03/07 at 2:35PM PST

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your human intuition.
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Package binaries for NetBSD/alpha 2.1 / pkgsrc-2006Q3

Hi,

I've uploaded the new files in the results of a bulk build for
NetBSD/alpha 2.1 to

   ftp://ftp.NetBSD.org/pub/pkgsrc/packages-2006Q3/NetBSD-2.1/alpha/

A total of 2.9GB of packages were uploaded.  I started to list
all the changes since the last update, but there are many, many
packages which either were not available the last time around, or
which are available in new versions now.

The source tree this was built from was updated December 11.

As indicated above, the build was done on a machine running
NetBSD 2.1, and most of these packages should be usable on newer
versions of the OS up to where we switched to gcc 4.

This bulk build machine will now switch to building the
pkgsrc-2006Q4 branch, so this is the last update for this OS/arch
combination for pkgsrc-2006Q3.

Regards,

- Håvard

Package binaries for NetBSD/alpha 3.0 / pkgsrc-2006Q3

Hi,

I've uploaded the new files in the results of a bulk build for
NetBSD/alpha 3.0 to

   ftp://ftp.NetBSD.org/pub/pkgsrc/packages-2006Q3/NetBSD-3.0/alpha/

I'm not sure how many were uploaded, as it was an update build from the
previous bulk build.

The source tree this was built from was updated December 5.

This bulk build machine will now switch to building the
pkgsrc-2006Q4 branch, so this is the last update for this OS/arch
combination for pkgsrc-2006Q3.

---
Tim Rightnour <root <at> garbled.net>
NetBSD: Free multi-architecture OS http://www.netbsd.org/
Genecys: Open Source 3D MMORPG: http://www.genecys.org/