Subject: devel-digest V2 #224
From: [email-masked] (devel-digest)
To: [email-masked]

devel-digest          Tuesday, August 3 1999          Volume 02 : Number 224

In this issue:

    Re: i broke it :)
    package needs
    ld not functioning
    Re: package needs
    Re: ld not functioning
    Re: package needs
    Reset button
    Reconfiguring reset button
    Re: Reconfiguring reset button
    Re: package needs
    Firewall
    Re: Firewall
    Re: Firewall
    mpg123
    Re: mpg123
    Re: mpg123
    Re: mpg123
    Re: mpg123
    Re: mpg123
    open source mp3 player for ARM
    Re: Reconfiguring reset button
    SMP Netwinders?
    Re: SMP Netwinders?
    Re: SMP Netwinders?
    Re: mpg123
    Re: mpg123
    Re: mpg123

See the end of this digest for information about devel-digest.

----------------------------------------------------------------------

Date: 27 Jul 1999 15:29:43 GMT
From: "Rod m. Stewart" <[email-masked]>
Subject: Re: i broke it :)

If you've not fixed this yet....

Nathan Gelbard <[email-masked]> wrote:
> i've been busy installing egcs 1.1.1, libc 2.1, et al today,
> and i forgot to install ld-linux 2 before ldconfig, and blammo.
> init: /usr/lib/ld.so.1: no version info avail (required by
> /usr/lcaol/lib/libc.so.6)

You (most likely) built glibc with versioning support.  This would be, how
to say it lightly:  "A very, very, very bad thing".  As the rest of your
systems does not have a versioned libc.  The two are not binary
compaitble.

> error in loading shared libraries: /usr/local/lib/libc.so.6:
> symbol _dl_sysdep_start, version GLIBC_2.0 not defined in
> file ld-linux.so.2 w/ link time reference

> anyway

> in days of lore computers had floppys :) how can i boot and
> rm libc.6 and rerun ldconfig?

Boot into ash, or sash if you have it.  Something like the following from
the NeTTrom:
	boot cmd=init=/bin/ash
or 
	boot cmd=init=/sbin/sash

One of those two should/might work.  Baring that find a statically linked
shell.  Then remount / as rw and remove files...

Or you could switch to a versioned libc environment...

[Real machines do not need a flopppy, you should be able to rescue off a
network. :) ]

- -Rms

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Date: Tue, 27 Jul 1999 16:12:52 -0700
From: Nathan Gelbard <[email-masked]>
Subject: package needs

glibc-2.1 (which i believe is actually libc.so.6?)
requires egcs-1.1.1 to compile properly (according
to the INSTALL)

the egcs-1.1.1-7 rpm on netwinder.org reports the following;

rpm -v -i egcs-1.1.1-7.armv4l.rpm

failed dependencies:
        cpp = 1.1.1 is needed by egcs-1.1.1-7
        ld-linux.so.2 is needed by egcs-1.1.1-7
        libc.so.6 is needed by egcs-1.1.1-7

isnt that sort of a chicken/egg problem?

or am i going around upgrading my libs the wrong way?

Nate Gelbard		      	       cell: 503.805.1015
Straylight Research		       fax : 516.828.8533

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Date: Tue, 27 Jul 1999 17:05:19 -0700
From: "David N. Welton" <[email-masked]>
Subject: ld not functioning

[ please cc replies to me ]

Hello, I'm writing here in an attempt to figure out what my problem
may be.  To wit, my problem is that I can no longer compile anything,
as my ld no longer appears to function.  It gets all kinds of odd
errors.. SIGSEGV, Illegal Instruction, "usage" from ld (assuming
something gave it bad input?).  It's completely random, or so it would
seem.

I am stumped, and, as it was previously working, I'm not really sure
what it could be:-/  Is this potentially a hardware problem?

Thanks,
- -- 
David N. Welton, Web Engineer, Linuxcare, Inc.
415.354.4878 x241 tel, 415.701.7457 fax
[email-masked], http://www.linuxcare.com/
Linuxcare. At the center of Linux.
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------------------------------

Date: Tue, 27 Jul 1999 21:42:51 -0400
From: "Andrew E. Mileski" <[email-masked]>
Subject: Re: package needs

Nathan Gelbard wrote:
> rpm -v -i egcs-1.1.1-7.armv4l.rpm
> failed dependencies:
>         cpp = 1.1.1 is needed by egcs-1.1.1-7

rpm -i cpp-*

>         ld-linux.so.2 is needed by egcs-1.1.1-7

rpm -i ld-linux-*

>         libc.so.6 is needed by egcs-1.1.1-7

rpm -i libc-*

> isnt that sort of a chicken/egg problem?

Well if it really truly is, use --nodeps, though this will mess up the
rpm database.  This is required on builds 1-13 since they have a messed
up database to begin with (later builds are correct).

As a rule of thumb, do what rpm wants.  There is one major exception,
dependancy loops (a requires b, and b requires a), then you have no
choice but to --nodeps one or the other.

- --
Andrew E. Mileski - Software Engineer
Rebel.com  http://www.rebel.com/

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Date: Tue, 27 Jul 1999 22:07:04 -0400
From: "Andrew E. Mileski" <[email-masked]>
Subject: Re: ld not functioning

"David N. Welton" wrote:
> Hello, I'm writing here in an attempt to figure out what my problem
> may be.  To wit, my problem is that I can no longer compile anything,
> as my ld no longer appears to function.  It gets all kinds of odd
> errors.. SIGSEGV, Illegal Instruction, "usage" from ld (assuming
> something gave it bad input?).  It's completely random, or so it would
> seem.
> 
> I am stumped, and, as it was previously working, I'm not really sure
> what it could be:-/  Is this potentially a hardware problem?

Have you tried rebooting?

This was a known problem in glibc; the wrapper for mmap was broken
causing memory corruption under load (when the call got interrupted).
This was fixed a while back.

What model (DM? GS? WS?) and build (1-14) are you using?

- --
Andrew E. Mileski - Software Engineer
Rebel.com  http://www.rebel.com/

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------------------------------

Date: Wed, 28 Jul 1999 10:05:06 -0400
From: scottb <[email-masked]>
Subject: Re: package needs

"Andrew E. Mileski" wrote:
> 
> Nathan Gelbard wrote:
> > rpm -v -i egcs-1.1.1-7.armv4l.rpm
> > failed dependencies:
> >         ld-linux.so.2 is needed by egcs-1.1.1-7
> >         libc.so.6 is needed by egcs-1.1.1-7

The dependencies fail because I didn't use RPM to install glibc, or the
compiler on the disk image.  If I had then there would be entries in the
RPM data base for them, and you wouldn't have a problem.  Build 15 is
completely built via RPM's so this problem should mostly go away.

> rpm -i ld-linux-*

Andrew should know better by now.  ld-linux.so.2 is provided by glibc. 
Do not install any package ld-linux*.rpm.

Scott

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------------------------------

Date: Wed, 28 Jul 1999 11:40:14 -0230
From: Jason Trask <[email-masked]>
Subject: Reset button

Is it possible to reconfigure the action associated with orange reset
button on the NW units?  I would like to set this button to do a
complete shutdown instead of a reboot.  Anyone have any ideas?

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Date: Wed, 28 Jul 1999 11:42:25 -0230
From: Jason Trask <[email-masked]>
Subject: Reconfiguring reset button

Can the reset button on the NW units be reconfigured to do a system halt
instead of a reboot?

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------------------------------

Date: Wed, 28 Jul 1999 10:11:05 -0400
From: scottb <[email-masked]>
Subject: Re: Reconfiguring reset button

Jason Trask wrote:
> 
> Can the reset button on the NW units be reconfigured to do a system halt
> instead of a reboot?

Yes, have a look at the button driver in the kernel.  

Scott

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------------------------------

Date: Wed, 28 Jul 1999 11:55:31 -0400
From: "Andrew E. Mileski" <[email-masked]>
Subject: Re: package needs

scottb wrote:
> Andrew should know better by now.  ld-linux.so.2 is provided by glibc.
> Do not install any package ld-linux*.rpm.

Well I have only one thing to say in response to that...
  :P

- --
Andrew E. Mileski - Software Engineer
Rebel.com  http://www.rebel.com/

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------------------------------

Date: Thu, 29 Jul 1999 06:02:04 +0100
From: John Adams <[email-masked]>
Subject: Firewall

I have been asked by the Uk distributor for to help them provide a unit to
act as a firewall.

The netwinder has two netcards so this should be possible. Cobalt implement
a browser based interface on the front of ipfwadm. They say this offers a
limited firewall capability.

When I do a google search for Linux firewall and read stuff I cant find any
criticsm of ipfwadm as a firewall tool.

To make it work on the netwinder I assume I have to set some options on a
kernel compile.

Has anyone got any suggestions on what I need to do, to make this work as it
does not straight away.

Thanks

John Adams

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Date: Thu, 29 Jul 1999 08:13:03 -0400
From: Ralph Siemsen <[email-masked]>
Subject: Re: Firewall

John Adams wrote:

> Has anyone got any suggestions on what I need to do, to make this work as it
> does not straight away.

Either:

a) Get kernel source, do menuconfig and turn on all the options under
NetWorking (see the Kernel-HOWTO on the projects page for all the grubby
details), then build ipfwadm... its been done before, works well, or...

b) give it another week or two and get yourself an OfficeServer, which
includes a 2.2 kernel, ipchains (successor to ipfwadm) and a nifty
web-based interface for doing all the configuration.  This one has all
the items needed for a firewall read-to-go...

- -- 
Ralph Siemsen -- [email-masked]

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Date: Fri, 30 Jul 1999 01:24:31 +0100
From: John Adams <[email-masked]>
Subject: Re: Firewall

Thanks Ralph just what the doctor ordered

Ralph Siemsen wrote:

> John Adams wrote:
>
> > Has anyone got any suggestions on what I need to do, to make this work as it
> > does not straight away.
>
> Either:
>
> a) Get kernel source, do menuconfig and turn on all the options under
> NetWorking (see the Kernel-HOWTO on the projects page for all the grubby
> details), then build ipfwadm... its been done before, works well, or...
>
> b) give it another week or two and get yourself an OfficeServer, which
> includes a 2.2 kernel, ipchains (successor to ipfwadm) and a nifty
> web-based interface for doing all the configuration.  This one has all
> the items needed for a firewall read-to-go...
>
> --
> Ralph Siemsen -- [email-masked]

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------------------------------

Date: Thu, 29 Jul 1999 17:47:54 -0400
From: "Jason Titus" <[email-masked]>
Subject: mpg123

Had anyone hacked around with mpg123 to get it working w/ acceptable 
performance on the NetWinders?  I've got it compiling and running, but it
uses floating point, and this is essentially non-functional.  Unfortunately
I need mpg123 for my grand plan (irmp3 -
http://www.fasta.fh-dortmund.de/users/andy/irmp3/), an IR mp3 player w/ LCD
and keypad...

I saw some posts a while ago about people working with it, but nothing
recently.

Thanks for any help -

Jason Titus
[email-masked]

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Date: Thu, 29 Jul 1999 17:54:34 -0400
From: "Andrew E. Mileski" <[email-masked]>
Subject: Re: mpg123

Jason Titus wrote:
> Had anyone hacked around with mpg123 to get it working w/ acceptable
> performance on the NetWinders?  I've got it compiling and running, but it
> uses floating point, and this is essentially non-functional.  Unfortunately
> I need mpg123 for my grand plan (irmp3 -
> http://www.fasta.fh-dortmund.de/users/andy/irmp3/), an IR mp3 player w/ LCD
> and keypad...

Dunno, but have you tried the xaudio player?
(www.xaudio.com)

- --
Andrew E. Mileski - Software Engineer
Rebel.com  http://www.rebel.com/

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Date: Thu, 29 Jul 1999 15:00:39 -0700
From: "Rusty Hodge" <[email-masked]>
Subject: Re: mpg123

What about Xaudio? I have that running on my netwinder. But it slitches when
there is a lot of network traffic to the box.

- ----- Original Message -----
From: Jason Titus <[email-masked]>
Newsgroups: netwinder.devel
To: <undisclosed-recipients:;>
Sent: Thursday, July 29, 1999 2:47 PM
Subject: mpg123

> Had anyone hacked around with mpg123 to get it working w/ acceptable
> performance on the NetWinders?  I've got it compiling and running, but it
> uses floating point, and this is essentially non-functional.
Unfortunately
> I need mpg123 for my grand plan (irmp3 -
> http://www.fasta.fh-dortmund.de/users/andy/irmp3/), an IR mp3 player w/
LCD
> and keypad...
>
> I saw some posts a while ago about people working with it, but nothing
> recently.
>
> Thanks for any help -
>
> Jason Titus
> [email-masked]
>
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Date: Thu, 29 Jul 1999 18:48:32 -0400 (EDT)
From: Nicolas Pitre <[email-masked]>
Subject: Re: mpg123

On Thu, 29 Jul 1999, Jason Titus wrote:

> Had anyone hacked around with mpg123 to get it working w/ acceptable 
> performance on the NetWinders?  I've got it compiling and running, but it
> uses floating point, and this is essentially non-functional.  

I'll be releasing a modified version of splay soon which uses fixed point
math.  There is still some subtile glitches in the subband synthesis
filter we have to cure.  

We didn't use mpg123 since it's not GPL and a GPL source base was
required.  splay was also slightly faster than mpg123 on PC when we
started working on it.  When compiled for fixed point math, splay seems
to require about the same CPU time as xaudio, but I can't compare
against xaudio anymore since my ARM system is glibc-2.1 based.

Anyway... in short: it's coming soon.

Nicolas Pitre, B. ing.
[email-masked]

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Date: 30 Jul 1999 12:10:43 GMT
From: [email-masked] ()
Subject: Re: mpg123

On 29 Jul 1999 18:48:44 -0400, Nicolas Pitre <[email-masked]> wrote:
>On Thu, 29 Jul 1999, Jason Titus wrote:
>
>> Had anyone hacked around with mpg123 to get it working w/ acceptable 
>> performance on the NetWinders?  I've got it compiling and running, but it
>> uses floating point, and this is essentially non-functional.  
>
>I'll be releasing a modified version of splay soon which uses fixed point
>math.  There is still some subtile glitches in the subband synthesis
>filter we have to cure.  
>
>We didn't use mpg123 since it's not GPL and a GPL source base was
>required.  splay was also slightly faster than mpg123 on PC when we
>started working on it.  When compiled for fixed point math, splay seems
>to require about the same CPU time as xaudio, but I can't compare
>against xaudio anymore since my ARM system is glibc-2.1 based.
>

I have xaudio running on my glibc2.1 based netwinder.  All you have to do is
download the arm-sdk and compile the sample cmdline player.  It works
reasonably well, although strange things happen when I use it and try to do
something else.  eg.  Machine locks hard when I try to ssh to my laptop 
attached via crossover cable to eth1, and switching desktops in E with xaudio
playing in a eterm window also causes it to lock hard.  Oh well, if you 
want a version of xaudio that works on my glibc 2.1 based system, let me know.

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Date: Sun, 01 Aug 1999 18:58:26 -0700
From: "Eric A. Perlman" <[email-masked]>
Subject: Re: mpg123

>
>
> I have xaudio running on my glibc2.1 based netwinder.  All you have to do is
> download the arm-sdk and compile the sample cmdline player.  It works
> reasonably well, although strange things happen when I use it and try to do
> something else.  eg.  Machine locks hard when I try to ssh to my laptop
> attached via crossover cable to eth1, and switching desktops in E with xaudio
> playing in a eterm window also causes it to lock hard.  Oh well, if you
> want a version of xaudio that works on my glibc 2.1 based system, let me know.

So wait a second, I am not the only one who has these random crashes while I play
mp3s?  I asked about it 3-4 months ago and all the responses were "maybe your
machine over heats", etc.  Nothing useful.

I crash whenever I play an mp3 and do anything else.  mp3 + x == crash withen 5
minutes, mp3 + compile == instant crash...

Yes, I'm using xaudio.

- -eric

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Date: Sun, 1 Aug 1999 23:34:14 -0400 (EDT)
From: Nicolas Pitre <[email-masked]>
Subject: open source mp3 player for ARM

Hi!

On ftp.netwinder.org/users/n/nico you'll find splay-0.81-fixpoint.tgz
which is a version of splay that we modified for fixed point math.

There is still some work to do on optimizing the code.  The assembly
generated by the compiler isn't as nice as it could be, but at least it
works!

It compiles for both fixed and floating point -- just undefine FIXED_POINT
in mpegsound.h if you want floating point instead (useful for testing
but on a PC).

Please read README.ARM before you compile this.

If you have any comments, please feel free to send them to me.  However
don't expect any feedback from me for about two weeks as I'm going on
vacation away from my computer!  :)

Enjoy!

Nicolas Pitre, B. ing.
[email-masked]

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Date: Mon, 02 Aug 1999 14:44:11 -0230
From: Jason Trask <[email-masked]>
Subject: Re: Reconfiguring reset button

Can you be a bit more specific please.  I am relatively new to linux.

scottb wrote:

> Jason Trask wrote:
> >
> > Can the reset button on the NW units be reconfigured to do a system halt
> > instead of a reboot?
>
> Yes, have a look at the button driver in the kernel.
>
> Scott

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Date: Mon, 02 Aug 1999 15:51:23 -0400
From: Matthew Keller <[email-masked]>
Subject: SMP Netwinders?

	Has anyone played with 2.2.x kernel SMP on a Netwinder? Put 2-4 of
those itty-bitty, low-cost StrongARMs on a board and I'll bet you'd need
to strap the 'winder to the table to keep it from bolting out the door.
I was thinking about it as a winter project...

- -- 

          - Matthew Keller -
       Lead Programmer/Analyst
  Distributed Computing and Telemedia
State University of New York at Potsdam

Web: http://mattwork.potsdam.edu/
PGP: http://mattwork.potsdam.edu/crypto/

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Date: Mon, 02 Aug 1999 17:04:57 -0400
From: "Andrew E. Mileski" <[email-masked]>
Subject: Re: SMP Netwinders?

Matthew Keller wrote:
>         Has anyone played with 2.2.x kernel SMP on a Netwinder? Put 2-4 of
> those itty-bitty, low-cost StrongARMs on a board and I'll bet you'd need
> to strap the 'winder to the table to keep it from bolting out the door.
> I was thinking about it as a winter project...

The StrongARM does not support SMP (cache coherency, etc.).  I doubt if
it ever will given that Intel is targeting it at low power embeded
applications.

- --
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Rebel.com  http://www.rebel.com/

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Date: Mon, 2 Aug 1999 22:03:42 +0100 (BST)
From: Russell King <[email-masked]>
Subject: Re: SMP Netwinders?

Matthew Keller writes:
> 	Has anyone played with 2.2.x kernel SMP on a Netwinder? Put 2-4 of
> those itty-bitty, low-cost StrongARMs on a board and I'll bet you'd need
> to strap the 'winder to the table to keep it from bolting out the door.
> I was thinking about it as a winter project...

It's been talked about many times before, and the conclusion has always
been that the virtual non-coherent cache on the ARM processors make SMP
a bad move.  In fact, SMP means 'Symetric Multi Processing', which
the StrongARM itself is incapable.  It would be asymetric.
   _____
  |_____| ------------------------------------------------- ---+---+-
  |   |         Russell King        [email-masked]      --- ---
  | | | |   http://www.arm.linux.org.uk/~rmk/aboutme.html    /  /  |
  | +-+-+                                                     --- -+-
  /   |               THE developer of ARM Linux              |+| /|\
 /  | | |                                                     ---  |
    +-+-+ -------------------------------------------------  /\\\  |
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Date: 3 Aug 1999 13:08:42 GMT
From: [email-masked] ()
Subject: Re: mpg123

On Sun, 01 Aug 1999 18:58:26 -0700, Eric A. Perlman <[email-masked]> wrote:
>>
>>
>> I have xaudio running on my glibc2.1 based netwinder.  All you have to do is
>> download the arm-sdk and compile the sample cmdline player.  It works
>> reasonably well, although strange things happen when I use it and try to do
>> something else.  eg.  Machine locks hard when I try to ssh to my laptop
>> attached via crossover cable to eth1, and switching desktops in E with xaudio
>> playing in a eterm window also causes it to lock hard.  Oh well, if you
>> want a version of xaudio that works on my glibc 2.1 based system, let me know.
>
>So wait a second, I am not the only one who has these random crashes while I play
>mp3s?  I asked about it 3-4 months ago and all the responses were "maybe your
>machine over heats", etc.  Nothing useful.
>
>I crash whenever I play an mp3 and do anything else.  mp3 + x == crash withen 5
>minutes, mp3 + compile == instant crash...
>
>Yes, I'm using xaudio.

I believe I can compile and play mp3's.  I'll have to try that and post the 
results.

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Date: Tue, 03 Aug 1999 13:38:20 +0000
From: Mark Knox <[email-masked]>
Subject: Re: mpg123

> 
> I crash whenever I play an mp3 and do anything else.  mp3 + x == crash withen 5
> minutes, mp3 + compile == instant crash...
> 
> Yes, I'm using xaudio.

This may or may not be good news to you, but I can use xaudio just fine
in X, while compiling to boot. I have a beta of our new disk image
loaded which will hopefully be released in a couple of weeks if all goes
well.

If you're not the timid kind, you might be able to download dm-3.0-15
from /users/a/andrewm.. but I'll warn you right now that it's NOT
production quality yet, and it's totally unsupported.

- -- 
     \|/
    (o o)         Mark Knox
  ^  \ /  ^         Software Engineer
// \\ v // \\         Rebel.com Inc.   http://www.rebel.com
    ( . )
 ----m-m----------------------------------------------------------

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Date: Tue, 03 Aug 1999 13:10:30 -0400
From: Douglas Paul <[email-masked]>
Subject: Re: mpg123

"Eric A. Perlman" wrote:

> So wait a second, I am not the only one who has these random crashes while I play
> mp3s?  I asked about it 3-4 months ago and all the responses were "maybe your
> machine over heats", etc.  Nothing useful.
>
> I crash whenever I play an mp3 and do anything else.  mp3 + x == crash withen 5
> minutes, mp3 + compile == instant crash...
>
> Yes, I'm using xaudio.
>
> -eric

I have some problems crashing when playing MP3s, but it happens playing any type of
sound in general. It seems almost like its a conflict between the Tulip and sound.
Whenever I tried playing sounds, I would get this message at the console:

eth1: The transmitter stopped pos2 !  CSR5 is f0668020, CSR6 b20e2002.

and the machine would freeze solid. I took a look in the tulip driver, and found a
while(1); statement right after it printed that message. I took it out, and it
doesn't seem to crash anymore, it just prints the message every once in a while, but
doesn't seem to affect anything. Sometimes the tulip will still die, but if I remove
the module and re-insert it, it comes back to life. I still am getting /infrequent
freezes, but I think that's heat related (ie, it doesn't do it anymore if I put a
bigger fan on it).

Another reason it seems like there's a conflict is that when I play MP3s over NFS, I
hear some distortions that aren't there when I play them from the hard drive...

Btw, I'm using kernel 2.2.9... I'll try a newer one when I get a chance (ie, after my
exams...)

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Doug Paul

[email-masked]
[email-masked]
ICQ UIN: 4394172

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End of devel-digest V2 #224
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