Linux-Misc Digest #647, Volume #27 Thu, 19 Apr 01 08:13:02 EDT
Contents:
Re: mount failed: Device or resource busy ("Peet Grobler")
Re: A Linux emulator for Linux, does this exist? ("Peet Grobler")
Re: mount failed: Device or resource busy (Michel SIMIAN)
Re: new slackware question (+Chiron+)
Re: Could Linux be used in this factory environment ? (Paul Repacholi)
Enlarging STACK SIZE limit ? (213.56.180.51 [Myriam Humbert])
Re: process in suse 7.1 (Hauke Busch)
mounting iso-fs hangs ("Michael Wohlwend")
Re: Daylight saving bug in Redhat Linux? (Johan Kullstam)
Re: Error after 2.4.3 kernel build ("Dave Addison")
thread list (Massimiliano Caovilla)
Linux and Unix Jobs for Thursday, 19 Apr 2001 07:38:06 EDT ([EMAIL PROTECTED])
Re: Upgrading from glibc 2.1 to glibc 2.2 ("Jesus M. Salvo Jr.")
Re: running "strip" on bins, what are the dangers? ("Jesus M. Salvo Jr.")
Re: re: telnet/ftp ("Peter T. Breuer")
Re: fat32 + ext2 partitions lost. How to recover? ("Peter T. Breuer")
Re: Which distro for 2.4.x ? ("Peter T. Breuer")
----------------------------------------------------------------------------
From: "Peet Grobler" <[EMAIL PROTECTED]>
Subject: Re: mount failed: Device or resource busy
Date: Thu, 19 Apr 2001 11:11:53 +0200
Do you have a shell open on one of the other virtual consoles? If so, do a
"cd /" and retry. That's happened to me before, being in a directory where
Linux is trying to mount a filesystem.
Don Hain wrote in message <9ba8f5$8ep$[EMAIL PROTECTED]>...
>I am installing Red Hat Linux V6.0 for the first time. I get the drive
>partitioned, but when the OS install is ready to begin I get "mount failed:
>Device or resource busy". Is this a hardware problem, or a problem with
how
>I am setting things up?
>
>Don
>
>
------------------------------
From: "Peet Grobler" <[EMAIL PROTECTED]>
Crossposted-To: comp.os.linux.development.system,comp.os.linux.hardware
Subject: Re: A Linux emulator for Linux, does this exist?
Date: Thu, 19 Apr 2001 11:23:30 +0200
<SNIP>
>happen. According to folklore, you can pretty much replace an
>entire 390 one piece at a time without ever rebooting -- I
>imagine that's a bit exagerated.
Yes, I believe you can. If everything in the system is hot-swappable, why
not?
>But, since the OP was talking about something to use in place
>of two run-of-the-mill desktop machines, I'm pretty sure that a
>390 isn't a financially viable solutions.
>
>--
>Grant Edwards grante Yow! QUIET!! I'm being
> at CREATIVE!! Is it GREAT
> visi.com yet? It's s'posed to
SMOKEY
> THE BEAR...
------------------------------
From: Michel SIMIAN <[EMAIL PROTECTED]>
Subject: Re: mount failed: Device or resource busy
Date: Thu, 19 Apr 2001 11:37:23 +0200
Peet Grobler wrote:
>
> Do you have a shell open on one of the other virtual consoles? If so, do a
> "cd /" and retry. That's happened to me before, being in a directory where
> Linux is trying to mount a filesystem.
>
> Don Hain wrote in message <9ba8f5$8ep$[EMAIL PROTECTED]>...
> >I am installing Red Hat Linux V6.0 for the first time. I get the drive
> >partitioned, but when the OS install is ready to begin I get "mount failed:
> >Device or resource busy". Is this a hardware problem, or a problem with
> how
> >I am setting things up?
> >
would you like to indicate more and more precise data ?
do you have the message after a manual mount command ?
which is the device file
which is the peripheral (a hard drive, a floppy, a zip, an NFS ?)
in general, this message is sent when someone already use the
/dev/... device, or when the mount directory already in use
------------------------------
From: +Chiron+ <[EMAIL PROTECTED]>
Crossposted-To: alt.os.linux.slackware
Subject: Re: new slackware question
Date: Thu, 19 Apr 2001 03:45:06 -0600
On Thu, 19 Apr 2001 19:56:20 +1200, "sb" <[EMAIL PROTECTED]> boldly
marched in and issued the following proclamation:
>Patrick himself said on the slackware forum that he plans to include 2.4.x
>in slack 7.2
Well-
That's news to me :)
(I thought he didn't consider it "stable" enough for a Slack Distro)
However, the recent bad news w/ Windriver/BSDi might have something to
do w/ this as well :(
Dammit..
I finally find a distro I *LOVE*, and now all this B.S. starts :(
--
+Chiron+
The Demi-God of alt.binaries.e-book(s)
Read the FAQ! http://kickme.to/ebookfaq
ICQ UIN: 53131221
Yes, I am a Linux Bigot. Deal with it.
"you can flame +chiron+ for what he is, a
cantankerous heathen poster of platitudes
and purloined pulp" -- Daddio
------------------------------
Crossposted-To: comp.os.linux.advocacy,comp.os.linux.hardware
Subject: Re: Could Linux be used in this factory environment ?
From: Paul Repacholi <[EMAIL PROTECTED]>
Date: 19 Apr 2001 04:41:21 +0800
[EMAIL PROTECTED] (The Ghost In The Machine) writes:
> Dumb question, but .... whatever happened to the concept of
> redundancy? I'll admit it adds to expense (specifically, equipment
> and software licensing costs), but as far as I can tell, many web
> server farms using NT have just that: web server farms, with
> multiple machines; this makes the reliability quite adequate --
> maybe even 99.999 % (5 minutes/year)... :-)
> Granted, this is a far cry from industrial control processes. (How
> long does it take for nylon to harden in a tube line, just out of
> curiosity? Are we talking hours, minutes, or seconds?)
Well, you need to analyze the process to see what a 'failure' is.
EG, a phone exchange can drop its guts, and all calls without too much
drama if it is back in 5 sec or less. (generally, set up calls are not
touched, you just can't call out for a few seconds)
On the other hand, I know of a system that only failed once, but when
it did, it did not fail-safe. About $20M damage, plus lost production.
That is once in 20 odd years. But, it could be shut down with little
drama if needed for maintainance.
> Can't comment unless SCADA systems are things like those used in
> metropolitan traffic projects with gigantic status screens showing
> where every traffic light, streetcar, or train is.
System Control and Data Aquisition. The above is one example. The
Sydney trafic light system went in a 71 or 72. It has been down
ONCE since then. (and caused real hell!) 24x7, with *ZERO* downtime.
It is a dual system running in a redundent master/slave though.
RT stuff just has a few simple rules.
1 Zero means Zero, not small!
2 Never means never.
3 Always means always.
4 99% is not 1.
5 If the factory or Murphy does not get you, the operators will.
6 If 5 fails, some barstool will plasma cut it in half.
7 'Can't happen' will.
--
Paul Repacholi 1 Crescent Rd.,
+61 (08) 9257-1001 Kalamunda.
West Australia 6076
Raw, Cooked or Well-done, it's all half baked.
------------------------------
From: 213.56.180.51 [Myriam Humbert]
Subject: Enlarging STACK SIZE limit ?
Date: 19 Apr 2001 09:03:38 GMT
I'd like to know how to enlarge the system stacksize limit of linux redhat 6.2 kernel
2.2.14-5.0 i686
I ask this question, because I am using, in an program, a library (ADOLC for automatic
differentiation)
that causes a crash with the following error message:
ADOL-C error:
Failure to reallocate storage for adouble values
Possible remedies :
1. Use more automatic local variables and
allocate/deallocate adoubles on free store
in a strictly last in first out fashion
2. Enlarge your system stacksize limit
I already tried to use the bash command ulimit, but the code crashes still at the same
point with the
same error message, even after recompiling the library.
[root@merou mhumbert]# ulimit -a
core file size (blocks) 0
data seg size (kbytes) unlimited
file size (blocks) unlimited
max memory size (kbytes) unlimited
stack size (kbytes) 8192
cpu time (seconds) unlimited
max user processes 2048
pipe size (512 bytes) 8
open files 1024
virtual memory (kbytes) 2105343
[root@merou mhumbert]# ulimit -s 131072
[root@merou mhumbert]# ulimit -a
core file size (blocks) 0
data seg size (kbytes) unlimited
file size (blocks) unlimited
max memory size (kbytes) unlimited
stack size (kbytes) 131072
cpu time (seconds) unlimited
max user processes 2048
pipe size (512 bytes) 8
open files 1024
virtual memory (kbytes) 2228223
Thank you for any information !
==================================
Poster's IP address: 213.56.180.51
Posted via http://nodevice.com
Linux Programmer's Site
------------------------------
From: Hauke Busch <[EMAIL PROTECTED]>
Subject: Re: process in suse 7.1
Date: Thu, 19 Apr 2001 12:01:45 +0200
Nothing to worry about. Look here:
http://sdb.suse.de/en/sdb/html/tami_kapm-idled.html
Applies to
SuSE Linux: Versions since 7.1
Kernel: Versions since 2.4.0
Symptom:
You don't have started any bigger applications and your system should
have nothing to do but your CPU is utilized to about 70%. You have
identified the process "kapm-idled" as the source of the high load.
Cause:
The "kapm-idled" is only active if the system is not utilized and
sends "HLT" commands to the CPU. Thereby the processor needs less power.
Solution:
There is no solution, because this behaviour is perfectly normal. The
"kapm-idled" won't consume any CPU time anymore if it is needed for
other tasks. You can test this by yourself: Monitor the CPU-load (e.g.
with "top"). When you start an application which needs a lot of
processing power, "kapm-idled" doesn't get any CPU-time anymore.
>
> what is this process? seems it is using much cpu resources (59.6%).
>
> PID USER PRI NI SIZE RSS SHARE STAT %CPU %MEM TIME COMMAND
> 3 root 19 0 0 0 0 SW 59.6 0.0 5038m kapm-idled
--
Dipl. Phys. Hauke Stephan Busch
Technische Universit�t Darmstadt
Institut f�r Angewandte Physik
Hochschulstra�e 4a
64289 Darmstadt
Germany
Tel.: +49-6151-162279
www.physik.tu-darmstadt.de/nld/hbusch
ePost: [EMAIL PROTECTED]
PGP: /pgpmail/pgp.html
------------------------------
From: "Michael Wohlwend" <[EMAIL PROTECTED]>
Subject: mounting iso-fs hangs
Date: Thu, 19 Apr 2001 13:15:25 +0200
Hi,
my problem:
if a generate an iso-fs with mkiso -o image.iso -R cd_dir/
and the try to mount it with
"mount image.iso -t iso9660 -o loop /image"
the mount command hangs and I am not even able to kill the mount.
I'm using kernel 2.4.2 and Reiserfs
hoping for help
Michael
------------------------------
Crossposted-To: comp.os.linux.setup,comp.os.linux.help
Subject: Re: Daylight saving bug in Redhat Linux?
From: Johan Kullstam <[EMAIL PROTECTED]>
Date: Thu, 19 Apr 2001 11:27:40 GMT
Jean-David Beyer <[EMAIL PROTECTED]> writes:
> Raymond Chui wrote:
> >
> > I have Redhat Linux 6.x. I just found this weekend our system still
> > one hour behind since April Fool (April 1).
> > I link /etc/localtime -> /usr/share/zoneinfo/EST5EDT
> > This is daylight saving time for east time zone in US. But the system
> > did auto one hour forward. I need to manual set one hour ahead and
> > touch all file's modify time created after April 1.
> >
> > Does anyone out there notice the same
> > problem in your Redhat Linux 6.x?
>
> No.
>
> > Or is this well known problem
> > in FAQ?
>
> It might be in a FAQ by now. It generally means someone configured
> their machine incorrectly. If you run you box Linux-Only; i.e., if it
> is not dual-boot with any Microsoftware, it is easy to straighten out.
>
> 1.) Make sure that the link, /etc/localtime ->
> /usr/share/zoneinfo/EST5EDT exists (will have to be a symbolic link, I
> guess,since it may well be on a separate partition). On my system,
> /etc/localtime is a copy of /usr/share/zoneinfo/EST5EDT , not a link.
>
> 2.) Examine /etc/sysconfig/clock
> Mine reads:
>
> ZONE="America/New_York"
> UTC=true
> ARC=false
>
> Yours should be something like that, but ZONE might be a little
> different, depending on how you configured your system.
>
> Then set your hardware clock to UTC, not local time, by any of a
> number of ways (e.g., diddling it in the BIOS, using /sbin/hwclock
> --utc --debug --systohc, etc.).
exactly as above.
> If you are so unlucky as to run a dual boot system where Microsoftware
> can also execute, it will set the hardware clock to local time, no
> matter what.
no, set the microsoft to zulu time. that's greenwich *without*
daylight savings time.
> Furthermore, it sets the localtime to be EDST when it
> thinks daylight savings time prevails, and resets localtime to EST
> when it thinks standard time prevails. It also does this once in a
> while (e.g., in the middle of February) when the whimsey strikes it.
microsoft doesn't know how to set time to get itself out of a paper
bag. just accept the weird time stamps. the minutes will likely be
correct since nearly all time zones are an integer number of hours off
zulu.
> For such a machine,
>
> 1.) Same as step 1.), above.
1) same as all of above.
> 2.) Examine /etc/sysconfig/clock
2) let microsoft lose. they can hardly do anything else.
> On my dual-boot machine that also runs Windows 95 R2, it reads:
>
> UTC="no"
> ARC=false
>
> Good luck, and may you be able to recover from your Microsoft
> addiction.
>
> > Is there a patch source fix this bug? There is the patch
> > source?
>
> No patch needed, just configure it correctly.
>
> --
> .~. Jean-David Beyer Registered Linux User 85642.
> /V\ Registered Machine 73926.
> /( )\ Shrewsbury, New Jersey http://counter.li.org
> ^^-^^ 10:20am up 14 days, 17:08, 3 users, load average: 3.13, 3.07,
> 2.74
--
J o h a n K u l l s t a m
[[EMAIL PROTECTED]]
Don't Fear the Penguin!
------------------------------
From: "Dave Addison" <[EMAIL PROTECTED]>
Crossposted-To: comp.os.linux.setup,comp.os.linux
Subject: Re: Error after 2.4.3 kernel build
Date: Thu, 19 Apr 2001 12:25:39 +0100
I see a similar thing occurring on my system which is all IDE apart from a
SCSI CDRW.
I use an initial image with the AIC7XXX driver so that the SCSI bus is
probed on boot.
The error message that I see says that modprobe has failed for
scsi_host_adapter but then the AIC7XXX module is loaded.
I think if my root file system was on the SCSI bus I'd be seeing the same
error as you're getting, but as it doesn't affect system operation I've been
ignoring it. I assumed it was something to do with the mkinitrd command not
handling the aliases for the SCSI driver correctly.
Dave
------------------------------
From: Massimiliano Caovilla <[EMAIL PROTECTED]>
Subject: thread list
Date: Thu, 19 Apr 2001 11:34:14 GMT
Hi
anyone knows about a way to display a kernel thread list, such as with
adb on solaris? I need it to debug a module I'm writing but I can't
figure out.
Thanks, Massi
------------------------------
From: [EMAIL PROTECTED]
Subject: Linux and Unix Jobs for Thursday, 19 Apr 2001 07:38:06 EDT
Date: Thu, 19 Apr 2001 11:38:07 GMT
For more information on these positions and more: http://mojolin.com/search/jobs.php
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------------------------------
From: "Jesus M. Salvo Jr." <[EMAIL PROTECTED]>
Subject: Re: Upgrading from glibc 2.1 to glibc 2.2
Date: Thu, 19 Apr 2001 21:46:51 +1000
Harlan Grove wrote:
>
> OK. As for the dates, I didn't check them. When anything new is released,
> you may have to wait a few days/weeks for RH6.x RPMs to appear - don't
> expect the same availability as for RH7.x - be patient.
The README file on the FTP sites said that RedHat will NOT provide RPMs
for KDE 2.1.1, only SRPMs.
>
> As for KDE being the packager rather than Red Hat, don't hold your breath
> waiting for Red Hat to package updates for anything new (as opposed to
> fixed) for old RH versions. The KDE team is more than capable of packaging
> KDE so it works for RH6.x, so I don't see the point of your last comment.
The last comment was not meant against KDE. It was against RH. I mean,
someone else have to do the packaging of RPMs for them.
Anyway, I should have expected that since they are targetting the server
market.
As for me, I have resorted to building the RPMs myself from SRPMs. At
least it is optimized for my PC.
--
Homepage: http://homepages.tig.com.au/~jmsalvo/
Public Key:
http://pgp5.ai.mit.edu:11371/pks/lookup?op=get&search=0x51F47D34
------------------------------
From: "Jesus M. Salvo Jr." <[EMAIL PROTECTED]>
Subject: Re: running "strip" on bins, what are the dangers?
Date: Thu, 19 Apr 2001 21:53:12 +1000
Juergen Heinzl wrote:
>
> In article <9bkf9f$soi$[EMAIL PROTECTED]>, [EMAIL PROTECTED] wrote:
>
> Since no debugging information is going to be left in
> binaries and shared libraries the disadvantage is you
> can't retrieve much information anymore if something goes
> wrong.
Does removing these debugging info prevent binaries and libraries from
logging error messages, sending info or output to stdout, etc .... ?
Does it prevent someone from running strace against a stripped binary?
If it does not, then it should be okay. Otherwise, how many people (
apart from the core developers ) actually debug ( using gdb or
equivalent ) binaries?
------------------------------
From: "Peter T. Breuer" <[EMAIL PROTECTED]>
Subject: Re: re: telnet/ftp
Date: Wed, 18 Apr 2001 18:56:16 +0200
Sudhakar R. <[EMAIL PROTECTED]> wrote:
> both 'telnet localhost' and 'telnet localhost 21' work fine. when i try
> telnet from another machine on the network i get the following..
> mulga@~ [12:05pm] $ telnet matrixuc.homeip.net
> Trying 129.137.205.235...
> telnet: Unable to connect to remote host: Connection timed out
> mulga@~ [12:09pm] $
What do your /etc/hosts.allow and /etc/hosts.deny have to say?
Peter
------------------------------
From: "Peter T. Breuer" <[EMAIL PROTECTED]>
Subject: Re: fat32 + ext2 partitions lost. How to recover?
Date: Wed, 18 Apr 2001 20:36:03 +0200
Roberto Inzerillo <[EMAIL PROTECTED]> wrote:
> In the meanwhile I'm reading about "dd" and "loopback" in Linux; I read that
> dd is capable of making a complete raw backup of the device (the corrupted
> /dev/hda ), writing a file that could be mounted as a loopback device. I
> think I'm not wrong supposing that it is possible to make some test on the
> loopback device (the one created with the copy of the corrupted disk) in order to
> recreate the partition tables, the MBR and the FATs. Am I right? I don't like
All completely correct. "findpart".
> to write anything yet over my harddisk without some more knowledge. That's
> why I will not make any "fdisk /mbr" before attemping to recover the data in
> readonly mode.
Well, that would only zero the first few bytes of your first sector on
your disk. The partition table is in the upper bytes of the first
sector (512 bytes). You only have to mess with those 512 bytes if you
are worried about the table!
> Why do you think that gpart should have used a 255 heads setting instead of
> 16? My Quantum Fireball Plus KA has 16 Logical Heads.
No it doesn't. It has as many as you like to tell it it has. That's the
point of "logic".
Peter
------------------------------
From: "Peter T. Breuer" <[EMAIL PROTECTED]>
Subject: Re: Which distro for 2.4.x ?
Date: Thu, 19 Apr 2001 09:57:00 +0200
Christian Rose <[EMAIL PROTECTED]> wrote:
> Arctic Storm wrote:
>> So,... RedHat has included GCC 2.96 with RedHat 7.1, instead of GCC 2.95.
> Yes. They did that right. Using gcc 2.95.x would have been going to a
> worse compiler.
>> Now, the binaries are incompatible.
> Why is binary compability important? It's not like you are guaranteed
So that you can move binaries between distros, and thus avoid
fractioning the linux world.
> anyway that moving around a binary on different Linux platforms will
> work anyway. You have different glibc, rpm, paths, initscripts, desktop
They'll run. If one needs to get additional or different libraries, one
can. One can even link them in statically and they'll go. Not so with
"2.96 output".
> environment and desktop environment library versions, etc.
> Binary compability is a myth. If you're a developer, distribute source.
> If you distribute binaries, do it for various platforms. If you're a
> user, get the correct package for your platform.
That is precisely what you do not want to do. Lusers are yidiots. They
pick up rpm's and put them on their distro without the slightest idea of
whether they're "for" their distro or not.
>> Can you recommend a disto that has kernel 2.4.x, and produces compatible
>> binaries,...
> Red Hat 7.1 of course... :-)
> It's the first distro built entirely with kernel 2.4, and using 2.4
Nonsense. I had kernel 2.4 on my slackware 3.0 ages ago. And so did
slackware (and debian, and suse ..).
> exclusively. So you know it works with and is properly tested with 2.4.
You know no such thing. "About the only thing you can count on with RH is
that they haven't conducted any tests, except of the newbie-default
installation routine. That's what the expert userbase is for."
Peter
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