Linux-Development-Sys Digest #58, Volume #8 Tue, 1 Aug 00 11:13:14 EDT
Contents:
Re: dark colors in ANSI Escape Sequences ([EMAIL PROTECTED])
Re: GCC 2.95.2 problems on RedHat 6.2 -- help anyone ? (Grant Edwards)
Re: problem with open files (Alexander Viro)
Re: GCC 2.95.2 problems on RedHat 6.2 -- help anyone ? (Michael Meding)
Re: Debugging Embedded Linux Applications (Wolfgang Denk)
Linux kernel performance (Erik Lotspeich)
Re: Debugging Embedded Linux Applications (Wolfgang Denk)
Re: Linux kernel performance (Michael Meding)
Re: EPROM EMULATORS (Deborah Gronke Bennett)
Re: root image over nfs?? (Mathias Waack)
Re: Linux kernel performance (Tim Moore)
Problem with FORE PCA200E (Vincent GABORIAU)
Re: Linux kernel performance (Marco van de Voort)
Re: Linux memory perfomance is horrible (Marco van de Voort)
Re: Problem with FORE PCA200E (Vincent GABORIAU)
Re: GNU Compiler and Libraries (Nix)
Re: Linux memory perfomance is horrible (Tim Moore)
Re: Linux kernel performance (Miquel van Smoorenburg)
Software for selling 5771 ([EMAIL PROTECTED])
Linux on a Nokia 9110 ("Giampaolo Tomassoni")
Re: root image over nfs?? (Jerome Corre)
----------------------------------------------------------------------------
From: [EMAIL PROTECTED]
Subject: Re: dark colors in ANSI Escape Sequences
Date: Mon, 31 Jul 2000 20:46:09 GMT
Correction to ...
| You can load the first 16 pallette registers with the RGB color value
| you want with this escape sequence:
|
| ESC ] P R r G g B b X
The sequence should be:
ESC ] P X R r G g B b
| P = literally 'P'
| X = the 4 bit index identifying which color pallette register to change
| R = high order 4 bits of the red value
| r = low order 4 bits of the red value from which the high 2 bits are used
| G = high order 4 bits of the green value
| g = low order 4 bits of the green value from which the high 2 bits are used
| B = high order 4 bits of the blue value
| b = low order 4 bits of the blue value from which the high 2 bits are used
--
| Phil Howard - KA9WGN | My current websites: linuxhomepage.com, ham.org
| phil (at) ipal.net +----------------------------------------------------
| Dallas - Texas - USA | [EMAIL PROTECTED]
------------------------------
From: [EMAIL PROTECTED] (Grant Edwards)
Crossposted-To: comp.os.linux.development.apps
Subject: Re: GCC 2.95.2 problems on RedHat 6.2 -- help anyone ?
Date: Mon, 31 Jul 2000 21:02:36 GMT
In article <[EMAIL PROTECTED]>, Ronald Cole wrote:
>[EMAIL PROTECTED] (Grant Edwards) writes:
>> In article <[EMAIL PROTECTED]>, J Wendel wrote:
>> >Dude, 2.4.0-test5 has bad VM problems, your hardware is not the
>> >problem! Drop back to 2.2.x and wait for a more stable 2.4 kernel.
>>
>> Sorry for my misleading posts. Since "4" was an even digit, I
>> assumed it was a fairly stable kernel.
>
>What part of the word "test" says "fairly stable" to you?
I had assume that the transition from odd->even-test wasn't
made until the odd-numbered kernel was fairly stable. I
certainly wouldn't expect a stable-release candidate to have
"bad VM problems".
--
Grant Edwards grante Yow! YOU PICKED KARL
at MALDEN'S NOSE!!
visi.com
------------------------------
From: [EMAIL PROTECTED] (Alexander Viro)
Subject: Re: problem with open files
Date: 31 Jul 2000 17:35:30 -0400
In article <[EMAIL PROTECTED]>,
Shankar <[EMAIL PROTECTED]> wrote:
>
>
>Hi
>
> >Close or compress your files so you aren't using 64GB on 70GB disk?
>
> But how do I close deleted files. I have tried gleaning their fds and
Huh??? You know, close() takes file descriptor, not a file name.
> then writing separate code to shut them down/unlink them but it doesn't
> seem to work.
WTF unlinking the file has to closing it? You've done open(), right? So
pass the result to close() when you are done with the file.
--
"You're one of those condescending Unix computer users!"
"Here's a nickel, kid. Get yourself a better computer" - Dilbert.
------------------------------
From: Michael Meding <[EMAIL PROTECTED]>
Crossposted-To: comp.os.linux.development.apps
Subject: Re: GCC 2.95.2 problems on RedHat 6.2 -- help anyone ?
Date: Mon, 31 Jul 2000 22:59:54 +0200
Reply-To: [EMAIL PROTECTED]
Hi there,
first thanks for all your replies.
Thing is, it seems that after disabling the cache gcc-2.95.2 reliably
bootstraps.
XF4.01 still no go. I have the bios update for my motherboard at hand.
Maybe I can go and reeactivate the cache at least.
Is there a specialist out there who can walk me through the build log
and make some wild guesses of what maybe wrong further...?
With kind regards
Michael
------------------------------
From: Wolfgang Denk <[EMAIL PROTECTED]>
Subject: Re: Debugging Embedded Linux Applications
Date: Mon, 31 Jul 2000 22:01:02 GMT
"Dean A. Henkel" <[EMAIL PROTECTED]> writes:
>Looking for opinions from some Linux Guru's.
I'm not a guru, but I'll give it a try. May the gurus correct me :-)
>We are considering using using an embedded Linux Kernal on a PPC
>environment. What tools are available for Source Level Debug, Profiling,
What do you want to debug?
For kernel level debugging, a lot can be done with kgdb. For the hard
cases you will want to have a BDM/JTAG debugger like the free
do-it-yourself MPCBDM, or the commercial/professional BDI2000 by
Abatron. AFAIK these two are so far the only available BDM debuggers
that support MMU table walks, so that you can use them when the MMU
is on - which is done very early in the Linux kernel.
For application level debugging you have the usual GNU / Linux tools,
like gdb + ddd.
>and Code Coverage Analysis. Are there any tools that support a "macro"
For code coverage with minimal size / performance overhead (so that
you can use it even for device driver and interrupt code etc.) you
might have a look a CodeTEST by Applied Microsystems.
Code coverage? Just out of curiosity: please contact me if you are
thinking about something like DO178B certifications or similar.
>environment (Dynamically Loaded Shared Libraries?).
I can't parse that.
Wolfgang Denk
--
Software Engineering: Embedded and Realtime Systems, Embedded Linux
Phone: (+49)-8142-4596-87 Fax: (+49)-8142-4596-88 Web: www.denx.de
One possible reason that things aren't going according to plan is
that there never was a plan in the first place.
------------------------------
From: Erik Lotspeich <[EMAIL PROTECTED]>
Subject: Linux kernel performance
Date: Mon, 31 Jul 2000 16:12:21 -0700
I have a question that I've been trying to answer for a long time now. I
know that network performance isn't one of Linux's strengths (though
networking features _are_ one of its strenghts), and I've been trying to
find out something more concrete about this whole issue.
I know that Windows NT has a very good multi-threaded TCP/IP stack and the
stack in FreeBSD/NetBSD is excellent as well. What is the difference
between those stacks and the Linux one, and are there any plans to improve
this in the future? How does the performance between these operating
systems compare?
I would appreciate any explanation or pointers to information on the
web. I've checked every search engine I know of and I can't find ANY
information about this topic.
Thank you all very much in advance,
Erik.
------------------------------
From: Wolfgang Denk <[EMAIL PROTECTED]>
Subject: Re: Debugging Embedded Linux Applications
Date: Mon, 31 Jul 2000 22:51:10 GMT
Wolfgang Denk <[EMAIL PROTECTED]> writes:
>"Dean A. Henkel" <[EMAIL PROTECTED]> writes:
>>We are considering using using an embedded Linux Kernal on a PPC
>>environment. What tools are available for Source Level Debug, Profiling,
Not to forget: a lot of useful hints and links can be found in the
"Linux for PowerPC Embedded Systems HOWTO/FAQ" by Graham Stoney, see
http://members.xoom.com/greyhams/linux/PowerPC-Embedded-HOWTO.html
Wolfgang
--
Software Engineering: Embedded and Realtime Systems, Embedded Linux
Phone: (+49)-8142-4596-87 Fax: (+49)-8142-4596-88 Web: www.denx.de
Another megabytes the dust.
------------------------------
From: Michael Meding <[EMAIL PROTECTED]>
Subject: Re: Linux kernel performance
Date: Tue, 01 Aug 2000 02:39:40 +0200
Reply-To: [EMAIL PROTECTED]
Hi there,
it doesn't happen, that you coincidently, write a cs paper and are
trying to sneak up some information here, without getting involved in
too much work ?
Anyway,
same question was answered here, about 4 to 5 weeks ago.
------------------------------
From: Deborah Gronke Bennett <[EMAIL PROTECTED]>
Crossposted-To: comp.arch.embedded
Subject: Re: EPROM EMULATORS
Date: 31 Jul 2000 19:07:05 -0700
We have been using the DebugJet and PromJet from
Emutec (www.emutec.com). You talk to the DebugJet with
FTP and the PromJets connect to it with a chained bus.
(So all you need is an OS with an FTP program).
They are pretty cheap ($700 and $500).
Caveat: We have had problems with the DebugJet crashing on
networks with any broadcast packets. And we had some reliability
problems. However, Emutec was pretty responsive. (I don't
know how big the company is - we think it might be quite small).
-deborah bennett
Sun Microsystems
"Gary Cullen" <[EMAIL PROTECTED]> writes:
> Hi,
>
> Does anyone know of a cheap eprom emulator running under Linux?
> I have a Scanlon Design (E-series) device with DOS drivers, but I can't
> locate them now to see if they have ported to Linux. Are they still trading?
>
> Any help appreciated.
>
> Gary
------------------------------
From: Mathias Waack <[EMAIL PROTECTED]>
Subject: Re: root image over nfs??
Date: 01 Aug 2000 08:47:01 +0200
Jerome Corre <[EMAIL PROTECTED]> writes:
[root NFS]
Pls. read
http://www.linuxdoc.org/HOWTO/Diskless-root-NFS-HOWTO.html
Mathias
------------------------------
From: Tim Moore <[EMAIL PROTECTED]>
Subject: Re: Linux kernel performance
Date: Tue, 01 Aug 2000 07:31:39 GMT
Wrong group. Try linux.dev.kernel.
Erik Lotspeich wrote:
>
> I have a question that I've been trying to answer for a long time now. I
> know that network performance isn't one of Linux's strengths (though
> networking features _are_ one of its strenghts), and I've been trying to
> find out something more concrete about this whole issue.
>
> I know that Windows NT has a very good multi-threaded TCP/IP stack and the
> stack in FreeBSD/NetBSD is excellent as well. What is the difference
> between those stacks and the Linux one, and are there any plans to improve
> this in the future? How does the performance between these operating
> systems compare?
--
timothymoore
bigfoot
com
------------------------------
From: Vincent GABORIAU <[EMAIL PROTECTED]>
Crossposted-To: linux.dev.atm
Subject: Problem with FORE PCA200E
Date: Tue, 01 Aug 2000 09:51:49 +0200
Hello, guys!
I want to implement a ATM network om Linux. I have already
installed
the FORE PCA200E card on a PC. And It seems to work.
My problem is on another PC with the same SUSE 6.4 distribution
(kernel
2.4.14 with atm-on-linux 0.59 and Fore PCA200E driver 0.4).
I have done all the things to do like on my first PC, but I have
the
following message after the reboot.
pca200e: FORE Systems PCA-200E driver v0.3 -
[EMAIL PROTECTED]
pca200e: PCA-200E found at 0xe7000000, IRQ 11
pca200e: firmware DIDN'T START.
the firmware image (pca200e.bin) is in the "linux/drivers/atm"
directory.
Have someone an Idea?
Thanks for any answers!
------------------------------
From: [EMAIL PROTECTED] (Marco van de Voort)
Subject: Re: Linux kernel performance
Date: 1 Aug 2000 08:30:42 GMT
>I have a question that I've been trying to answer for a long time now. I
>know that network performance isn't one of Linux's strengths (though
>networking features _are_ one of its strenghts), and I've been trying to
>find out something more concrete about this whole issue.
>
>I know that Windows NT has a very good multi-threaded TCP/IP stack and the
>stack in FreeBSD/NetBSD is excellent as well. What is the difference
>between those stacks and the Linux one, and are there any plans to improve
>this in the future? How does the performance between these operating
>systems compare?
>
Seems that Linux improved in 2.4. Check Slashdot for last week, there was a
link to a test.
------------------------------
From: [EMAIL PROTECTED] (Marco van de Voort)
Crossposted-To: comp.unix.bsd.freebsd.misc
Subject: Re: Linux memory perfomance is horrible
Date: 1 Aug 2000 08:32:36 GMT
>In comp.os.linux.development.system Kaz Kylheku <[EMAIL PROTECTED]> wrote:
>> What kind of a moron would design a benchmark that depends on
>> implementation-defined constants like BUFSIZ?
>
>That's a loaded question. What does any benchmark really measure,
>apart from the performance of the target running the benchmark?
Paging? MMap call?
------------------------------
From: Vincent GABORIAU <[EMAIL PROTECTED]>
Crossposted-To: linux.dev.atm
Subject: Re: Problem with FORE PCA200E
Date: Tue, 01 Aug 2000 11:01:40 +0200
Vincent GABORIAU wrote:
>
> Hello, guys!
>
> I want to implement a ATM network om Linux. I have already
> installed
> the FORE PCA200E card on a PC. And It seems to work.
>
> My problem is on another PC with the same SUSE 6.4 distribution
> (kernel
> 2.4.14 with atm-on-linux 0.59 and Fore PCA200E driver 0.4).
>
> I have done all the things to do like on my first PC, but I have
> the
> following message after the reboot.
>
> pca200e: FORE Systems PCA-200E driver v0.3 -
> [EMAIL PROTECTED]
> pca200e: PCA-200E found at 0xe7000000, IRQ 11
> pca200e: firmware DIDN'T START.
>
> the firmware image (pca200e.bin) is in the "linux/drivers/atm"
> directory.
>
> Have someone an Idea?
>
> Thanks for any answers!
Sorry, I have made a mistake. It's not kernel 2.4.14 but 2.2.14 (of
course, thanks to Alan Kennington).
------------------------------
From: Nix <$}xinix{[email protected]>
Subject: Re: GNU Compiler and Libraries
Date: 01 Aug 2000 00:53:56 +0100
[EMAIL PROTECTED] (Alexander Viro) writes:
> In article <[EMAIL PROTECTED]>,
> Remo Inverardi <[EMAIL PROTECTED]> wrote:
> >I was wondering if any of you guys ever understood the GNU Compiler
> >and Library licences. Our company is selling financial applications
> >and we don't want to release our code to the public (which is not
> >the point here, I *do* know about the advantages of open source
> >software).
> >
> >Are you required to hand out your source code if you use the GNU
> >compiler and libraries? Someone told me -- I don't believe it.
>
> Compiler - not (if you are using it to complie your code, rather that using its
> source in your product, indeed). Libraries - yes, if they are under GPL,
> not necessary if they are under LGPL (you are safe if you link dynamically
> or provide object files that may be relinked).
Specifically, libstdc++ has an exception allowing proprietary
applications to use its header files, despite the substantial amount of
textual inclusion that template expansion provides.
--
`I am of the belief that catnip arrived on the planet in the same spaceship
that delivered cats. It is the only thing they have from their home
planet. Tuna, chicken, sparrow-brains, etc., these are all things of our
world that they like, but catnip is crack from home.' --- Bill Cole
------------------------------
From: Tim Moore <[EMAIL PROTECTED]>
Crossposted-To: comp.unix.bsd.freebsd.misc
Subject: Re: Linux memory perfomance is horrible
Date: Tue, 01 Aug 2000 10:41:13 GMT
Kaz Kylheku wrote:
>
> On Mon, 31 Jul 2000 16:54:20 GMT, Szabolcs Csetey <[EMAIL PROTECTED]> wrote:
> >BUFSIZ defined in stdio.h. FreeBSD and Solaris use 1024 while
> >Linux 8192. The memory tests are done with BUFSIZ chunks so
> >Linux should do 8x more work during the same time.
>
> What kind of a moron would design a benchmark that depends on
> implementation-defined constants like BUFSIZ?
Indeed...
> egrep '^#def|^Uben' test.log
#define BUFSIZ 512
Ubench CPU: 66066
Ubench MEM: 89139
Ubench AVG: 77602
#define BUFSIZ 1024
Ubench CPU: 66151
Ubench MEM: 48826
Ubench AVG: 57488
#define BUFSIZ 2048
Ubench CPU: 66110
Ubench MEM: 24927
Ubench AVG: 45518
#define BUFSIZ 4096
Ubench CPU: 66261
Ubench MEM: 12361
Ubench AVG: 39311
#define BUFSIZ 8192
Ubench CPU: 66187
Ubench MEM: 6186
Ubench AVG: 36186
2.2.17pre13; egcs-2.91.66; glibc-2.1.2-11
Abit BP6; 2xCeleron @ 545MHz; 192MB @ 78MHz.
http://www.phystech.com/download/ubench.html
--
timothymoore
bigfoot
com
------------------------------
From: [EMAIL PROTECTED] (Miquel van Smoorenburg)
Subject: Re: Linux kernel performance
Date: 1 Aug 2000 10:57:26 GMT
In article <[EMAIL PROTECTED]>,
Erik Lotspeich <[EMAIL PROTECTED]> wrote:
>I have a question that I've been trying to answer for a long time now. I
>know that network performance isn't one of Linux's strengths (though
>networking features _are_ one of its strenghts), and I've been trying to
>find out something more concrete about this whole issue.
Why do you think Linux has bad networking performance? If you're talking
to windows boxes try turning off window scaling and SACK, since that
confuses the hell out of windows and makes the connection dead slow.
Mike.
--
Cistron Certified Internetwork Expert #1. Think free speech; drink free beer.
------------------------------
From: [EMAIL PROTECTED]
Crossposted-To: comp.os.linux.hardware
Subject: Software for selling 5771
Date: 1 Aug 2000 09:17:06 GMT
Look at http://www.cdnow2000.com for newest software.
All price is under 90$
orsftnfvyt
------------------------------
From: "Giampaolo Tomassoni" <[EMAIL PROTECTED]>
Subject: Linux on a Nokia 9110
Date: Tue, 01 Aug 2000 11:30:43 GMT
Dears,
a friend of mine told me that somewhere in the net is available a linux
version suitable to be installed on a Nokia 9110.
I found the gnik project's site, which is devoted to developing tools for
Linux to 'interact' with a Nokia 9000/9110, but I didn't find anything about
Linux on the 9110.
Do you know anything about it?
Thanks,
--
======================================================
Giampaolo Tomassoni Information Systems Consultant
P.za 8 Aprile 1948, 4 Tel/Fax: +39-0578-21100
I-53044 Chiusi (SI) e-mail: [EMAIL PROTECTED]
ITALY
homepage: http://www.geocities.com/Eureka/Park/2209/
------------------------------
From: Jerome Corre <[EMAIL PROTECTED]>
Subject: Re: root image over nfs??
Date: Tue, 01 Aug 2000 14:35:59 GMT
In article <[EMAIL PROTECTED]>,
Mathias Waack <[EMAIL PROTECTED]> wrote:
> Jerome Corre <[EMAIL PROTECTED]> writes:
> [root NFS]
>
> Pls. read
> http://www.linuxdoc.org/HOWTO/Diskless-root-NFS-HOWTO.html
>
> Mathias
>
This mainly describe how to create a diskless workstation with the
rootfs on the server. This is not really what i want to do :-(
What i wnat to do is have a diskless workstation which mount root on a
ramdisk, but take the tarball for root on a server (so that if after
booting i turnoff the server the worksation still works, the server
needing to be up only at boot time of the workstation). Unfortunatelly
i still pretty much beginning with linux and was wondering if it is
possible and if it has been described anywhere?
I don't mind using just a bootdisk to boot the workstation(probably
with kernel and workstation ip adress and others configurartion). then
i wnat the workstation to retreive the root image from the server and
mount it in its own ramdisk.
thanks foe any help
Jerome
--
Jerome Corre
Sent via Deja.com http://www.deja.com/
Before you buy.
------------------------------
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End of Linux-Development-System Digest
******************************
