Re: Framebuffer device under FreeBSD?

2001-11-09 Thread Kevin D . Wooten



 i. Is it feasible to port Linux fbdev modules to FreeBSD (as a modules,
 again)? 


I was under the impression that the subsystem is there ( /usr/src/sys/dev/fb 
? ). Maybe not the specific accelerated drivers, but the basics look there.
I will say the video mode selection looks weak though, Linux does have a much 
more flexible mode selection.

P.S. - I have been trying to get NVidia docs ( I have to sign an NDA ) to 
build a GeForce3 framebuffer.

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Re: IPFW module

2001-11-09 Thread Andrew R. Reiter


Yes, there is an open pr regarding this.  In -current all this is fixed,
but I know ipfw and, iirc, nfs modules have these problems in 4.4.  

Andrew

On Fri, 9 Nov 2001, Dimitar Peikov wrote:

:
:This morning I've cvsuped to STABLE and put 'options IPFIREWALL' into my 
:kernel configuration file. After installing all I try to 'kldload ipfw' which 
:complains that ipfw module is already in kernel, but kldstat reports that 
:module is being loaded! Then I've decided to kldunload it Kernel panic 
: reboot!
:
:It is regular to kernel crash if ipfw is loaded as module, but why when it was 
:build into kernel? In that case it would be good kldload/kldunload to exit! 
:Why kldload loads module in case that it is compiled in kernel?
:
:-- 
:Dimitar Peikov
:Programmer Analyst
:Globalization Group
:We Build e-Business  
:
:RILA Solutions  
:27 Building, Acad.G.Bonchev Str.  
:1113 Sofia, Bulgaria  
:
:phone: (+359 2) 9797320 
:phone: (+359 2) 9797300 
:fax:   (+359 2) 9733355  
:http://www.rila.com 
:
:
:
:To Unsubscribe: send mail to [EMAIL PROTECTED]
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:

--
Andrew R. Reiter
[EMAIL PROTECTED]
[EMAIL PROTECTED]


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Re: processor recommendations for multi-user freeBSD system ?

2001-11-09 Thread Hiten Pandya


--- Joesh Juphland [EMAIL PROTECTED] wrote:
 
 I am planning on building a true multi-user system
 (as opposed to a NFS 
 server, or a web server, or a mail server) - many
 people with many shells 
 will be doing many things.
 
 Two things have been decided:
 
 - it will run freeBSD
 - it will be dual processor
 
 -
 
 So what two processors should I use ?  Coming from a
 Sun hardware 
 background, I originally thought to use PIII Xeons
 .. since they have a lot 
 of cache, and fast cache.  I was thinking 512meg
 cache p3 xeons running at 
 550mhz.
 
 But what about a modern athlon MP processor ?  Much
 less cache, but it runs 
 at 266mhz, and it is much faster ... 1700mhz or so.
 
 One specific question might be, at what bus speed
 and mhz speed do the 
 advantages of a good processor like a xeon start
 to not matter ?
 

hi joesh,
i think the two Xeon Processors will do the job.  As
long as you have that good cache with ya...

thanks,
regards,

Hiten Pandya
[EMAIL PROTECTED]

=
thanks,
regards,

Hiten Pandya
[EMAIL PROTECTED]
http://www.geocities.com/hitmaster2k

__
Do You Yahoo!?
Find a job, post your resume.
http://careers.yahoo.com

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2001-11-09 Thread CBM-BUREAUTIQUE.com
Title: Passer  l'euro et gagnez un convertisseur






   


  
   

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pcap/bpf in a multi-threaded environment

2001-11-09 Thread Edwin Groothuis

Greetings,

The past couple of days I've been plagued by a strange behaviour
of something between libpcap and the bpf-device. As you can read
in PR bin/31649, the behaviour of libpcap is very different if you
compile it on gcc with or without -pthread:

Without -pthread, it calls the callback function everytime it has
received a packet.
With -pthread, it calls the callback function only when the
input-buffer (about 32Kb) is nearly full.

I've done some investigation (with my limited knowledge of what
happens between a call to read() and when it ends up in bpfread())
and saw the difference between a call with and without the -pthreads
option:

in /usr/src/contrib/libpcap/pcap-bpf.c, line 81, the function pcap_read():
cc = read(p-fd, (char *)p-buffer, p-bufsize);

at a certain moment, in the read()-code, bpfread() is called:
/sys/net/bpf.c, line 491

In a non-threaded environment, this if-statement is false
if (ioflag  IO_NDELAY) {
splx(s);
return (EWOULDBLOCK);
}

In a threaded environment, the if-statement is true, splx(s) is
called and EWOULDBLOCK is returned. Then it's silent for a while,
while the packets are being collected (somewhere) and at a certain
moment the buffer is nearly full and the read() in pcap_read() is
finished.

So yeah, I'm stuck. All I want is in threaded mode to have the same
behaviour as I have in non-threaded mode. Anybody any ideas on how
to fix this?

Thanks in advance,
Edwin

-- 
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Re: IPFW module

2001-11-09 Thread setantae

On Fri, Nov 09, 2001 at 09:12:49AM +0200, Dimitar Peikov wrote:
 
 It is regular to kernel crash if ipfw is loaded as module, but why when it was 
 build into kernel? In that case it would be good kldload/kldunload to exit! 

If you want to turn ipfw off when it is compiled into the kernel, you
can execute :

sysctl -w net.inet.ip.fw.enable=0

Ceri

-- 
keep a mild groove on

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Re: IPFW module

2001-11-09 Thread Kenneth Culver

On Friday 09 November 2001 02:12 am, you wrote:
if you included options IPFIREWALL in your kernel, you don't need to kldload 
the module, and it may mess some things up if you do try to kldload it.


 This morning I've cvsuped to STABLE and put 'options IPFIREWALL' into my
 kernel configuration file. After installing all I try to 'kldload ipfw'
 which complains that ipfw module is already in kernel, but kldstat reports
 that module is being loaded! Then I've decided to kldunload it Kernel
 panic  reboot!

 It is regular to kernel crash if ipfw is loaded as module, but why when it
 was build into kernel? In that case it would be good kldload/kldunload to
 exit! Why kldload loads module in case that it is compiled in kernel?

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CPU Temp and Fan speed as entropy?

2001-11-09 Thread Mike Silbersack


Out of curiousity, has anyone looked into using cpu temperature and fan
speed as an entropy source?  The thought came to last time I was in bios,
looking at the temperature stats; to my untrained eye, it sure looks like
those numbers bounce around a lot.  I think most motherboards are coming
with such sensors onboard these days, and I also believe that we have
userland support for reading the values.

I think we're doing just fine wrt entropy in -current, but it would still
be rather neat to harvest hardware-derived entropy on a wide variety of
machines.

Just curious,

Mike Silby Silbersack


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Re: mmap/madvise -- Thanks!

2001-11-09 Thread Jason Mawdsley

Wow!

The responses to my question have been amazing!

I never expected to get the wealth of information that you people have given
me.

Thank you all!


Jason.

Jason Mawdsley ~ [EMAIL PROTECTED]
Software Designer ~ m_ a c a d a m i a nt e c h n o l o g i e s

Software developers for the world's leading technology companies.
http://www.macadamian.com



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RE: pcap/bpf in a multi-threaded environment

2001-11-09 Thread Guy Helmer

On Friday, November 09, 2001 5:56 AM Edwin Groothuis [EMAIL PROTECTED]
wrote:

 The past couple of days I've been plagued by a strange behaviour
 of something between libpcap and the bpf-device. As you can read
 in PR bin/31649, the behaviour of libpcap is very different if you
 compile it on gcc with or without -pthread:

 Without -pthread, it calls the callback function everytime it has
 received a packet.
 With -pthread, it calls the callback function only when the
 input-buffer (about 32Kb) is nearly full.

 I've done some investigation (with my limited knowledge of what
 happens between a call to read() and when it ends up in bpfread())
 and saw the difference between a call with and without the -pthreads
 option:

 in /usr/src/contrib/libpcap/pcap-bpf.c, line 81, the function pcap_read():
   cc = read(p-fd, (char *)p-buffer, p-bufsize);

 at a certain moment, in the read()-code, bpfread() is called:
 /sys/net/bpf.c, line 491

 In a non-threaded environment, this if-statement is false
 if (ioflag  IO_NDELAY) {
   splx(s);
   return (EWOULDBLOCK);
   }

 In a threaded environment, the if-statement is true, splx(s) is
 called and EWOULDBLOCK is returned. Then it's silent for a while,
 while the packets are being collected (somewhere) and at a certain
 moment the buffer is nearly full and the read() in pcap_read() is
 finished.

 So yeah, I'm stuck. All I want is in threaded mode to have the same
 behaviour as I have in non-threaded mode. Anybody any ideas on how
 to fix this?

The problem is probably due to the poll system call that the threaded
library does before performing the read().  In the non-threaded case, the
read() returns when the timeout is hit; in the threaded case, the threaded
library's poll() has to succeed before the read system call will be
executed, and poll() won't succeed until the buffer is full.

If you would like to try this patch (relative to FreeBSD 4.3) to
/sys/net/bpf.c and /sys/net/bpfdesc.h and let me know if it helps, I will
add this patch to PR 22063 and perhaps commit it if it passes review.

Guy Helmer



bpf-new.diff
Description: Binary data


Re: Measuring interrupt latency

2001-11-09 Thread Warner Losh

In message [EMAIL PROTECTED] Poul-Henning Kamp writes:
: We found at Timing Solutions when we were trying to measure interrupt
: latency that the system time (getnanotime()) gave us measurements with
: a larger variance than our expensive scopes that does statistical
: gathering.
: 
: Uhm, you should have used nanotime(), not getnanotime().
: 
: getnanotime() returns a timestamp in nanoseconds of the last
: stored timestamp which may be up to 1/hz seconds old.

H.  Actually looking at the code, we did use nanotime()...  But we
do have a few drivers that are using getnanotime() incorrectly...

The larger variance was something like a factor of 2 larger than the
one that we'd measured on the scopes.  I don't have the data online,
or I'd be more precise.

Warner

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Re: Measuring interrupt latency

2001-11-09 Thread Louis A. Mamakos


One a related, timekeeping note:  is there any interest in updating or
extending the SO_TIMESTAMP socket option to return higher resolution
timestamps?  Currently, it returns a struct timeval.  

I did a quick survey, and it appears that there are applications which
use this facility (though, surprisingly, not NTP despite the patch I
sent off years ago). I suspect these applications would be surprised to
discover a struct timespec. Also, NetBSD and OpenBSD have picked up this
code and apparently Linux has a form of it as well.

Based on some email from a week or two ago, I wonder if there's value
in returning a timestamp in the 64.64 format that phk proposed
previously, along with some additional status information.  Related
to the packet timestamping work I mentioned in a previous message, I
added a SO_TIMESTAMP2 socket option which returned a higher resolution
timestamp, along with auxilary data to identify the source of the
timestamp where there might be more than one clock available, as well
as some quality information (synchronized, estimated freq and phase
error, etc.)

If this interface was going to be extended, then it would be good
to only revisit this once.

louie


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September, 2001 FreeBSD Development Status Report

2001-11-09 Thread Robert Watson


This report was created with the assistance of Nik Clayton and Chris
Costello.



September 2001 Status Report

Introduction

In the month of September, the FreeBSD Project continued its investment in
long-term projects, including continuing work on a fine-grained SMP
implementation, support for Kernel Schedulable Entities (KSE) supporting
highly efficient threading, and broadening support for modern hardware
platforms, including Intel's new IA64 architecture, UltraSparc, and
PowerPC. Additional focus was placed on the release process, including work
on the release notes infrastructure, support for DVD releases, and work on
a binary updating tool.

Due to the delay in getting the September report out the door, the November
status report will also cover October. During the month of November, we
look forward to BSDCon Europe, the first such event outside the continental
United States. The USENIX conference paper submission deadlines are also in
November, and FreeBSD users and developers are encouraged to submit to the
general and FREENIX tracks. Please see www.usenix.org for more information.
   
  * binup
  * Compressed TCP state
  * Fibre Channel Support
  * FreeBSD C99/POSIX Conformance Project
  * FreeBSD DVD generation
  * FreeBSD Java Project
  * FreeBSD libh Project
  * FreeBSD/sparc64 port
  * Improving FreeBSD startup scripts
  * Intel Gigabit driver
  * Intel Gigabit Ethernet
  * jpman project
  * KSE
  * Multiple console support
  * Netgraph ATM
  * Network console
  * Network device nodes
  * Network SMP locking
  * New Mount(2) API
  * Porting ppp to hurd  linux
  * PowerPC Port
  * PPP IPv6 Support
  * PRFW
  * RELNOTESng
  * SMPng Status Report
  * SYN cache implementation for FreeBSD
  * TIRPC

binup

URL: http://www.FreeBSD.org/projects/updater.html

Contact: Eric Melville [EMAIL PROTECTED]
Contact: Murray Stokely [EMAIL PROTECTED]

The project has gained a mailing list, [EMAIL PROTECTED] - and the
source tree has been moved into the projects/ directory in the FreeBSD CVS
repository. Current work is focusing on extending the FreeBSD package
framework, and the client library should be rewritten and completed by the
end of the year.

TODO: make the projects/ hierarchy into a cvsup distribution and add it to
cvs-all. Then update distrib.self.
---

Compressed TCP state

Contact: Jonathan Lemon [EMAIL PROTECTED]

Development on this project has been slowed, pending the commit of the
syncache code, as this builds on part of that work.
---

Fibre Channel Support

URL: http://www.feral.com/isp.html

Contact: Matthew Jacob [EMAIL PROTECTED]

Bug fixing and move to -STABLE of 2Gb support.
---

FreeBSD C99/POSIX Conformance Project

URL: http://people.FreeBSD.org/~mike/c99/

Contact: Mike Barcroft [EMAIL PROTECTED]
Contact: FreeBSD-Standards Mailing List [EMAIL PROTECTED]

The FreeBSD C99/POSIX Conformance Project aims to implement all
requirements of the C99 Standard and the latest 1003.1-200x POSIX draft
(currently Draft 7). In cases where aspects of the standard cannot be
followed, those aspects will be documented in the c99(7) or posix(7)
manuals. It is also an aim of this project to implement regression tests to
ensure correctness whenever possible.

Patches that implement the stdint.h and inttypes.h headers, and
modifications to printf(3) have been developed and will be committed
shortly. They will allow us to use some of the new types C99 introduces,
such as intmax_t and the printf(3) conversion specifier %j.
---

FreeBSD DVD generation

Contact: Brian Somers [EMAIL PROTECTED]

A two disc set has been mastered and sent for pressing. There are a few
surprises with this release - details will be given in the official
announcement (at BSDConEurope).
---

FreeBSD Java Project

URL: http://www.freebsd.org/java/

Contact: Greg Lewis [EMAIL PROTECTED]

The project has moved forward on JDK 1.3.1 development this month, with the
release of two more patchsets. The team is reasonably confident that the
latest patchset is a stable release of the core JDK 1.3.1 tools and
classes, when the default green threads subsystem is used. This is mostly
thanks to hard work by Fuyuhiko Maruyama to stabilise and fix the code.
Bill Huey has also been progressing with his work on the native threads
subsystem, although this hasn't yet reached the stability of green
threads. Another (arguably the) major highlight of the latest patchset was
the integration of NetBSD support by Scott Bartram and Alistair Crooks (the
latter of NetBSD packages fame). Hopefully OpenBSD support will follow,
making it truly a united BSD Java Project.

Re: mmap/madvise

2001-11-09 Thread Jason Mawdsley

  I am creating a virtual memory manager.
  
  Currently I am doing a
  mmap(...PROT_NONE, MAP_ANON ) to reserve the memory.
  then when committing the memory I am using mprotect( ...PROT_READ |
  PROT_WRITE )
 
 mmap For reservation of memory; you should
 mmap the fd for /dev/zero, with MAP_ANON
 to grab pages initially.

The man pages state that the fd must be -1 for MAP_ANON.
an open() /dev/zero will return an valid file descriptor. So how would I 
mmap using /dev/zero?

 Too bad there isn't an Advance UNIX programming for Windows
 Programmers book.  8-(.

Sounds like their could be a good market for one ;-)

Jason

Jason Mawdsley ~ [EMAIL PROTECTED]
Software Designer ~ m_ a c a d a m i a nt e c h n o l o g i e s

Software developers for the world's leading technology companies.
http://www.macadamian.com



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Re: ports/31188: New port: www/orion-current

2001-11-09 Thread Kees Jan Koster

Dear All,

I've tried to get someone to commit this port over on -ports, but
I got no response. Is there someone who could commit this port,
please?

Thanks in advance.

 Yours,
   Kees Jan

---
 Kees Jan Koster   e-mail: kjkoster at kjkoster.org
   www:   http://www.kjkoster.org/
---
   File not found. Should I fake it? [Y/N]

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*.info documentation missing for CVS (and other GNU tools)

2001-11-09 Thread Gerald Pfeifer

/usr/share/info/ is empty on a more or less default installation of
4.4-RELEASE, even though GCC, CVS, and other GNU tools are part of
the base system.

Especially in the case of CVS (and I believe also GCC and others) this is
extremely bad, because the man pages of these programs are incomplete, and
the only way to get the full documentation is by using the *.info files.

Is there any specific reason why these are not included in FreeBSD?

  pulcherrima[173]:/FreeBSD/src/contrib/cvs% find . -name '*info*'
  ./src/parseinfo.c
  ./doc/cvs.texinfo

*.info files are generated from *.texinfo, and cvs.texinfo *is* part
of the FreeBSD source tree, as are /usr/bin/info (the info browser)
and /usr/bin/makeinfo (the compiler).

Could we also have the generated *.info files become part of the base
system?

Gerald
-- 
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Re: mmap/madvise

2001-11-09 Thread Terry Lambert

Jason Mawdsley wrote:
 
   I am creating a virtual memory manager.
  
   Currently I am doing a
   mmap(...PROT_NONE, MAP_ANON ) to reserve the memory.
   then when committing the memory I am using mprotect( ...PROT_READ |
   PROT_WRITE )
 
  mmap For reservation of memory; you should
  mmap the fd for /dev/zero, with MAP_ANON
  to grab pages initially.
 
 The man pages state that the fd must be -1 for MAP_ANON.
 an open() /dev/zero will return an valid file descriptor. So how would I
 mmap using /dev/zero?

Mmap'ing /dev/zero gives you anopnymous pages; they can't
be not private.

It's pretty much the same thing.  I would use /dev/zero,
since it's portable.

-- Terry

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Re: *.info documentation missing for CVS (and other GNU tools)

2001-11-09 Thread Dan Nelson

In the last episode (Nov 09), Gerald Pfeifer said:
 /usr/share/info/ is empty on a more or less default installation of
 4.4-RELEASE, even though GCC, CVS, and other GNU tools are part of
 the base system.

I just installed 4.4-RELEASE and it installed all the info pages. 
Maybe you didn't check the info distribution checkbox in sysinstall?

-- 
Dan Nelson
[EMAIL PROTECTED]

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Re: *.info documentation missing for CVS (and other GNU tools)

2001-11-09 Thread Gerald Pfeifer

On Fri, 9 Nov 2001, Dan Nelson wrote:
 I just installed 4.4-RELEASE and it installed all the info pages.
 Maybe you didn't check the info distribution checkbox in sysinstall?

Sheesh!

I'll go ahead and AART[1] the colleague who installed said box (for this
was supposed to be enabled) and then I will properly punish myself. :-(

Embarrassing.

Gerald

[1] echo LART | sed -e s/Luser/Admin/
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Re: Framebuffer device under FreeBSD?

2001-11-09 Thread Vladimir Kushnir

On Fri, 9 Nov 2001, Kevin D.Wooten wrote:



  i. Is it feasible to port Linux fbdev modules to FreeBSD (as a modules,
  again)?


 I was under the impression that the subsystem is there ( /usr/src/sys/dev/fb
 ? ). Maybe not the specific accelerated drivers, but the basics look there.
 I will say the video mode selection looks weak though, Linux does have a much
 more flexible mode selection.

 P.S. - I have been trying to get NVidia docs ( I have to sign an NDA ) to
 build a GeForce3 framebuffer.


Actually, rivafb under Linux provides some HW acceleration (based on
utah-glx code, I think). There's no GeForce3 there, though.

-- 
Vladimir Kushnir - [EMAIL PROTECTED]


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Re: pcap/bpf in a multi-threaded environment

2001-11-09 Thread Edwin Groothuis

On Fri, Nov 09, 2001 at 10:56:30AM -0600, Guy Helmer wrote:
 The problem is probably due to the poll system call that the threaded
 library does before performing the read().  In the non-threaded case, the
 read() returns when the timeout is hit; in the threaded case, the threaded
 library's poll() has to succeed before the read system call will be
 executed, and poll() won't succeed until the buffer is full.
 
 If you would like to try this patch (relative to FreeBSD 4.3) to
 /sys/net/bpf.c and /sys/net/bpfdesc.h and let me know if it helps, I will
 add this patch to PR 22063 and perhaps commit it if it passes review.

It works like a charm now! Thanks for this.
It's really really nice to have a 'proper' working application now :-)

I would be happy if you could get this fixed in the source-tree,
so that I (and other people of course) can enjoy the charms of
bpf-access in a threaded environment!

Edwin

-- 
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[EMAIL PROTECTED] |   Interested in MUDs? Visit Fatal Dimensions:
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fxp driver problems

2001-11-09 Thread Leo Bicknell


I've got 4 identical machines all showing the same problem, and a
search of the archives didn't turn up anything.  They all experience
network timeouts when you do more than ping them, here's the relivant
dmesg info:

fxp0: Intel PLC 10/100 Ethernet port 0xde80-0xdebf mem 0xff8fe000-0xff8fefff irq 11 
at device 8.0 on pci1
fxp0: Ethernet address 00:03:47:84:d6:a0

fxp0: device timeout
fxp0: SCB timeout
fxp0: SCB timeout
fxp0: SCB timeout
fxp0: SCB timeout
fxp0: device timeout
fxp0: SCB timeout
fxp0: device timeout

fxp0 in this case is the onboard ethernet on an Intel motherboard.  It's
connected to a good old fashoned 10 meg hub now:

%ifconfig fxp0
fxp0: flags=8843UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST mtu 1500
inet [deleted]
inet6 [deleted]
ether 00:03:47:84:d6:a0
media: 10baseT/UTP status: active
supported media: autoselect 100baseTX full-duplex 100baseTX 10baseT/UTP
full-duplex 10baseT/UTP
 
This is on 4.3-RELEASE, of course while I'm trying to sup to to
stable.  *sigh* Anyone seen something like this before?

-- 
   Leo Bicknell - [EMAIL PROTECTED] - CCIE 3440
PGP keys at http://www.ufp.org/~bicknell/
Read TMBG List - [EMAIL PROTECTED], www.tmbg.org

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Re: fxp driver problems

2001-11-09 Thread Mike Tancsa

On Sat, 10 Nov 2001 01:02:58 + (UTC), in sentex.lists.freebsd.hackers
you wrote:

I've got 4 identical machines all showing the same problem, and a
search of the archives didn't turn up anything.  They all experience

There must be something broken with the search page you used as this has
been discussed quite a bit in the stable list.  To answer your question,
cvsup'ing to something post 4.4 will fix your problem.

You have an Intel 815 board probably...

---Mike
Mike Tancsa  ([EMAIL PROTECTED])  
Sentex Communications Corp, 
Waterloo, Ontario, Canada
Given enough time, 100 monkeys on 100 routers 
could setup a national IP network. (KDW2)

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Status of Tekram DC-395 drivers

2001-11-09 Thread .

There is a FreeBSD driver for Tekram DC-395 SCSI adapters:

ftp://ftp.tekram.com/SCSI/3X5/FreeBSD/FreeBSD400/dc395x_trm.tar.gz

There are such strings in it:
/*
*
** Imported into FreeBSD source repository, and updated to compile under  
** FreeBSD-3.0-DEVELOPMENT, by Stefan Esser [EMAIL PROTECTED], 1996-12-17  
*
*/

But I can't find anything in FreeBSD CVS repository
about it.

Why?

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VIA 82231 South Bridge

2001-11-09 Thread .

Are there any planes to support
VIA 82231 south bridge
for UDMA33/66/100 ?
Yes, I know, WDMA2 works with it

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Re: VIA 82231 South Bridge

2001-11-09 Thread Søren Schmidt

It seems [EMAIL PROTECTED] wrote:
 Are there any planes to support
 VIA 82231 south bridge
 for UDMA33/66/100 ?
 Yes, I know, WDMA2 works with it

Could you do a pciconf -l and mail me that please ?

-Søren

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