Re: 32bit chroot help

2006-07-18 Thread Bharath Ramesh
Thanks for the help. I really appreciate it works like a charm.

Thanks,

Bharath

* Goswin von Brederlow ([EMAIL PROTECTED]) wrote:
> Bharath Ramesh <[EMAIL PROTECTED]> writes:
> 
> > I had recently posted in the group for suggestions on the best possible
> > setup for a dual opteron compile/head node for our cluster. The solution
> > for 32bit support was to install a chroot for compiling 32bit
> > applications. I have a few questions on the best way to set up the 32bit
> > chroot.
> >
> > 1) The base-config package has been dropped. Do I need to configure the
> > 32bit chroot or I dont need to configure the chroot at all.
> 
> Install sarge and dist-upgrade.
> 
> > 2) We use nis for providing a single authentication system. From the
> > documents I read I need to have a copy of my /etc/passwd, /etc/shadow
> > and /etc/group in the 32bit chroot. Since I am using nis what would be
> > the way to enable this.
> 
> Setup nis inside the chroot just like outside the chroot.
> 
> > I really appreciate the help given by all the debian developers and
> > users.
> >
> > Thanks,
> >
> > Bharath
> 
> MfG
> Goswin
> 
> 
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Re: reiserfs/md1/failure/threads

2006-07-18 Thread Jim Crilly
On 07/18/06 05:27:17PM +0200, Erik Mouw wrote:
> On Tue, Jul 18, 2006 at 04:15:42PM +0200, Goswin von Brederlow wrote:
> > Francesco Pietra <[EMAIL PROTECTED]> writes:
> > The most recent FS is generaly the one with the most unfound bugs left
> > and often a lot of design kinks that remain to be fixed.
> > 
> > Something like ext2 on the other hand has all the bugs and kinks
> > worked out over the years and there is very little new code that could
> > go wrong.
> 
> Ext3 should do as well. The same team that maintains ext2 also
> maintains ext3. Ext3 is like ext2, but with journaling and directory
> indexing. Bug fixes from ext3 get backported to ext2.
> 

Ideally yes, but a lot of times bug fixes and other code changes don't get
backported. From what I've seen very few people think "Hmm, I should check
ext2 for that too" when they make a change to ext3. This isn't a knock on
ext3, it's been extremely reliable in the places that I've used it and I
would definitely recommend it over reiserfs any day, I'm just saying that
ext2 and ext3 aren't really the same any more.

Jim.


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Re: two questions about packages

2006-07-18 Thread Thierry Chatelet

Wolfgang Mader wrote:

Hello list,

since a real long time, two months or so, aptitude always wants to upgrade the 
package

libselinux from version 1.30-1 to version 1.30-1
This is not bad, I think but anoying. Has someone an idea.

And another package is a bit strange. The new googleearth-package package. I 
installed it but this package seems to do nothing. It does not download any 
google-earth, installs an executable or does something else I was expecting 
from it. What to do which this thing. I want to try google-earth but if I 
execute the googleearth.bin I get the nice error:


./setup.sh: line 216: setup.data/bin/Linux/amd64/setup.gtk2: Datei oder 
Verzeichnis nicht gefunden
./setup.sh: line 216: setup.data/bin/Linux/amd64/setup.gtk: Datei oder 
Verzeichnis nicht gefunden

The setup program seems to have failed on amd64

Fatal error, installer failed to run at all!

So I wanted to try the package.

Thank you in advance. W. Mader
  

Hi,
My german is not that good, but I think that, for googleearth, the 
installer is looking for xserver or something similar, and it does not 
fing it because you are running ./googleearthbin from root. Try it 
as a normal user, should work

Thierry


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two questions about packages

2006-07-18 Thread Wolfgang Mader
Hello list,

since a real long time, two months or so, aptitude always wants to upgrade the 
package
libselinux from version 1.30-1 to version 1.30-1
This is not bad, I think but anoying. Has someone an idea.

And another package is a bit strange. The new googleearth-package package. I 
installed it but this package seems to do nothing. It does not download any 
google-earth, installs an executable or does something else I was expecting 
from it. What to do which this thing. I want to try google-earth but if I 
execute the googleearth.bin I get the nice error:

./setup.sh: line 216: setup.data/bin/Linux/amd64/setup.gtk2: Datei oder 
Verzeichnis nicht gefunden
./setup.sh: line 216: setup.data/bin/Linux/amd64/setup.gtk: Datei oder 
Verzeichnis nicht gefunden
The setup program seems to have failed on amd64

Fatal error, installer failed to run at all!

So I wanted to try the package.

Thank you in advance. W. Mader


pgpnr5WNfybiH.pgp
Description: PGP signature


Re: reiserfs/md1/failure/threads

2006-07-18 Thread Lennart Sorensen
On Tue, Jul 18, 2006 at 05:33:51PM +0200, Francesco Pietra wrote:
> Not to insist any further on the relative merits of the various filesystems, 
> but in the general interest of maintaining amd64 (and therefore of 
> examinining parameters one at once, withouth mixing problems), did you notice 
> my e-mail of today emphasizing that after the crash my data are intact? I 
> wonder whether your suspicion about memory or cpu may be the point. How to 
> carry out a thourough memory test and identifying which slot is defective, if 
> any? Although Kingston ECC, one of the eight slots (1GB each) might be 
> defective.

Well I have certainly seen a number of messages from people with
opterons having memory problems over the last few months.  The opteron
seems to be very picky about memory quality, which makes some sense
given have efficiently it uses it.  It drives the memory quite hard.

Simplest way I know of to test memory andd cpu, is to run a lot of large
kernel compiles.  Often a memory problem will cause that to segfault.
Anything htat uses lots of cpu and lots of memory is usually a good
test, at least if it fails spectacularly on an error, like gcc tends to
do.

To test the memory, remove half of it, and try the test.  If it fails,
replace one stick of memory with one of the other ones, until you can
run the test without a problem.  You could probably even run the test
with 1 or 2 sticks of memory.  A number of people have managed to find
faulty memory on an opteron this way.  Some people have come back going
"I found a faulty stick of memory" after swearing that memtest86 had
said all their ram was fine and they were sure their name brand ram
wasn't faulty. :)  memtest86 does't catch all errors.  Of course with
ECC memory I would have expected to see a machine check exception (MCE)
if there was any single bit errors in the memory.  I am still most
inclined to blame reiserfs or perhaps the cpu.  Of course since it was
multiple errors all coming from reiserfs, with apparently nothing else
seeing a problem, I really think it may simply be a reiserfs bug.  I was
using XFS before on early 2.6 kernels on i386, and even tually had to
give up and move to ext3 since it just wasn't reliably on top of LVM on
top of MD raid.  The filesystem had some bad interaction with the LVM
and MD raid that made it not work.  It probably got fixed since, but I
needed something that worked then, and ext3 worked.

> What about checking the cpu? I can simply tell that I monitored the 
> temperature during the long calculation, with the machine in a strongly 
> ventilated area. Starting from 36C, the temp raised to 44C at maximum. I 
> don't know the correspondence with real temp ($sensors) but the difference 
> should tell. AMD for my 265 dual opterons indicates case temperature 49-67C 
> (is what I measured just case temp?). AMD also indicate as temp limits 10-35, 
> but I gues this should be the ambient temperatures.

That temperature is fine as far as I can tell.

> Also, how to check thouroghly the disks?

Well there is badblocks which allows disk testing.  In my experience
though, modern disks tend to either work or fail.  They very rarely have
small problems.

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Re: reiserfs/md1/failure/threads

2006-07-18 Thread Francesco Pietra
On Tuesday 18 July 2006 19:15, Lennart Sorensen wrote:
> On Tue, Jul 18, 2006 at 04:45:08PM +0200, Francesco Pietra wrote:
> > On this suspicion, my relationships with reiserfs 3.6 are closed, as far
> > as amd64 is concerned.
> >
> > That involves reinstalling amd 64 etch, I imagine. Could I start from
> > raid1 installed and simply reform the file system or is it better start
> > from scratch (I mean even to clarify the matter 32/64)? Perhaps it will
> > be easier for me to start from scratch. Is it any suggestion about the
> > install CD (to go then to a net install)?
>
> Well I know how I did my conversions of filesystems before, but it is
> more tricky (but takes less time).
>
> I dropped one disk out of the raid, created a new degraded raid with it,
> and made a filesystem on it, copied the data with cp -ax from the
> current filesystem to the new one, then rebooted to the new filesystem
> and added the old filesystem raid drive to the new raid.
>
> It might be simpler to just reinstall though using whatever method you
> used before.  You should be able to reuse the partition setup from
> before, and just tell it to reassemble the raids and then pick the
> filesystem and mount points again.
Yes, this should be simpler for me.
>
> Of courses there is a small chance that you are dealing with a hardware
> problem such as memory or cpu
Not to insist any further on the relative merits of the various filesystems, 
but in the general interest of maintaining amd64 (and therefore of 
examinining parameters one at once, withouth mixing problems), did you notice 
my e-mail of today emphasizing that after the crash my data are intact? I 
wonder whether your suspicion about memory or cpu may be the point. How to 
carry out a thourough memory test and identifying which slot is defective, if 
any? Although Kingston ECC, one of the eight slots (1GB each) might be 
defective.

What about checking the cpu? I can simply tell that I monitored the 
temperature during the long calculation, with the machine in a strongly 
ventilated area. Starting from 36C, the temp raised to 44C at maximum. I 
don't know the correspondence with real temp ($sensors) but the difference 
should tell. AMD for my 265 dual opterons indicates case temperature 49-67C 
(is what I measured just case temp?). AMD also indicate as temp limits 10-35, 
but I gues this should be the ambient temperatures.

Also, how to check thouroghly the disks?

Thanks a lot for your interest and advice
francesco
> or perhaps the disk (although with a raid 
> a disk error shouldn't behave as you are seeing).
>
> --
> Len Sorensen


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Re: reiserfs/md1/failure/threads

2006-07-18 Thread Lennart Sorensen
On Tue, Jul 18, 2006 at 04:45:08PM +0200, Francesco Pietra wrote:
> On this suspicion, my relationships with reiserfs 3.6 are closed, as far as 
> amd64 is concerned.
>
> That involves reinstalling amd 64 etch, I imagine. Could I start from raid1 
> installed and simply reform the file system or is it better start from 
> scratch (I mean even to clarify the matter 32/64)? Perhaps it will be easier 
> for me to start from scratch. Is it any suggestion about the install CD (to 
> go then to a net install)?

Well I know how I did my conversions of filesystems before, but it is
more tricky (but takes less time).

I dropped one disk out of the raid, created a new degraded raid with it,
and made a filesystem on it, copied the data with cp -ax from the
current filesystem to the new one, then rebooted to the new filesystem
and added the old filesystem raid drive to the new raid.

It might be simpler to just reinstall though using whatever method you
used before.  You should be able to reuse the partition setup from
before, and just tell it to reassemble the raids and then pick the
filesystem and mount points again.

Of courses there is a small chance that you are dealing with a hardware
problem such as memory or cpu or perhaps the disk (although with a raid
a disk error shouldn't behave as you are seeing).

--
Len Sorensen


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Re: reiserfs/md1/failure/threads

2006-07-18 Thread Francesco Pietra
On Tuesday 18 July 2006 18:25, Lennart Sorensen wrote:
> On Tue, Jul 18, 2006 at 07:15:33AM +0200, Francesco Pietra wrote:
> > Because the matter is rather obscure to me, sent also CC to mpqc although
> > it seems an exclusive problem of the OS.
> >
> > OS: Debian amd64 etch
> > Hardw: Tyan S2895 K8WE; two 265 dual opteron; 8GB ram Kingston ECC;
> > raid1; temperature cpu low throughout.
> >
> > Process: mpqc 2.3.1 calc b3lyp geom optimization  MCsearch OO calculation
> > for a large molecule, max_iterations = 40, memory = 5GB, launched as
> >
> > $mpqc -messagegrp ":(n=4)" filename.in | tee filename.out
> >
> > all 40 iterations were completed in a couple of days, with "Optimization
> > NOT converged".
> >
> > Restarted from the last minimum geometry, with memory = 7 GB, launched as
> >
> > $ mpqc -threadgrp ":(num_threads=4)" filename.in | tee
> > filename.out
> >
> > calculation hanged after ca 11 hours with warnings:
> >
> > ReiserFS: md1: warning: vs-5150: searchby key: invalid format found in
> > block 589839. Fsck?
> >
> > ReiserFS: md1: warning: vs-13070: reiserfs_read_locked_inode: i/o failure
> > occurred during tryong to find stat data of [7109 7110 0x0 SD]
> >
> > ReiserFS: warning: is_tree_node: node level 0 does not match to the
> > expected one 1.
> >
> > and several other similar warnings.
> >
> > Thanks for suggestions
>
> Try a trusted filesystem instead.  I stopped using reiserfs years ago
> due to bugs in it.  I wouldn't be surprised if it isn't 64bit clean
> even.
On this suspicion, my relationships with reiserfs 3.6 are closed, as far as 
amd64 is concerned.
>
> You either have a failing disk, or a buggy filesystem.
>
> Try ext3 instead.  I haven't seen it fail yet.
That involves reinstalling amd 64 etch, I imagine. Could I start from raid1 
installed and simply reform the file system or is it better start from 
scratch (I mean even to clarify the matter 32/64)? Perhaps it will be easier 
for me to start from scratch. Is it any suggestion about the install CD (to 
go then to a net install)?

Thank you
francesco
> --
> Len Sorensen


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Re: Texmaker fails to build on arm

2006-07-18 Thread Lennart Sorensen
On Tue, Jul 18, 2006 at 08:44:22AM -0600, Joseph Smidt wrote:
> I uploaded texmaker-1.3-2 and built fine on every
> architecture except arm.  I am confused because texmaker-1.3-1 built
> fine and is now in testing and all I thought I changed was the man-pages
> and the package description.  Could somebody take a look at the package
> and help me find out why it is having trouble building on arm.  I really
> appreciate the help.  Thanks.

Well the log to me looks like a g++ bug, or possibly something in libqt,
but probably the compiler.  Too bad you can't tell which g++ version was
installed at the time of the compile on each architecture's buildd.

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Re: reiserfs/md1/failure/threads

2006-07-18 Thread Lennart Sorensen
On Tue, Jul 18, 2006 at 07:15:33AM +0200, Francesco Pietra wrote:
> Because the matter is rather obscure to me, sent also CC to mpqc although it 
> seems an exclusive problem of the OS.
> 
> OS: Debian amd64 etch
> Hardw: Tyan S2895 K8WE; two 265 dual opteron; 8GB ram Kingston ECC; raid1; 
> temperature cpu low throughout.
> 
> Process: mpqc 2.3.1 calc b3lyp geom optimization  MCsearch OO calculation 
> for a large molecule, max_iterations = 40, memory = 5GB, launched as
> 
> $mpqc -messagegrp ":(n=4)" filename.in | tee filename.out
> 
> all 40 iterations were completed in a couple of days, with "Optimization NOT 
> converged".
> 
> Restarted from the last minimum geometry, with memory = 7 GB, launched as
> 
> $ mpqc -threadgrp ":(num_threads=4)" filename.in | tee
> filename.out
> 
> calculation hanged after ca 11 hours with warnings:
> 
> ReiserFS: md1: warning: vs-5150: searchby key: invalid format found in block 
> 589839. Fsck?
> 
> ReiserFS: md1: warning: vs-13070: reiserfs_read_locked_inode: i/o failure 
> occurred during tryong to find stat data of [7109 7110 0x0 SD]
> 
> ReiserFS: warning: is_tree_node: node level 0 does not match to the expected 
> one 1.
> 
> and several other similar warnings.
> 
> Thanks for suggestions

Try a trusted filesystem instead.  I stopped using reiserfs years ago
due to bugs in it.  I wouldn't be surprised if it isn't 64bit clean
even.

You either have a failing disk, or a buggy filesystem.

Try ext3 instead.  I haven't seen it fail yet.

--
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Re: reiserfs/md1/failure/threads

2006-07-18 Thread Erik Mouw
On Tue, Jul 18, 2006 at 04:15:42PM +0200, Goswin von Brederlow wrote:
> Francesco Pietra <[EMAIL PROTECTED]> writes:
> The most recent FS is generaly the one with the most unfound bugs left
> and often a lot of design kinks that remain to be fixed.
> 
> Something like ext2 on the other hand has all the bugs and kinks
> worked out over the years and there is very little new code that could
> go wrong.

Ext3 should do as well. The same team that maintains ext2 also
maintains ext3. Ext3 is like ext2, but with journaling and directory
indexing. Bug fixes from ext3 get backported to ext2.

Very likely there will be an ext4 filesystem that starts with the same
functionality as ext3, but will get extents and 64 bit block
addressing (and problably other neat features on the go).


Erik

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Re: reiserfs/md1/failure/threads

2006-07-18 Thread Francesco Pietra
On Tuesday 18 July 2006 16:15, Goswin von Brederlow wrote:
> Francesco Pietra <[EMAIL PROTECTED]> writes:
> > When installing the OS I thought that  the most recent fs (reiserfs 3.6)
> > were the most secure. Actually I have reiserfs on i386 (no raid) with no
> > problem. Anyway, probably a warning against reiserfs on the installation
> > disk or manual would avoid much troubles to users and advicers.
> >
> > Thanks a lot
> > francesco pietra
>
> The most recent FS is generaly the one with the most unfound bugs left
> and often a lot of design kinks that remain to be fixed.
>
> Something like ext2 on the other hand has all the bugs and kinks
> worked out over the years and there is very little new code that could
> go wrong.

I was aware of this principle. However, principles are never absolute. 
Reiserfs 3.6 was offered at the Debian installation without warnings and I 
took it for good (I had also a long positive experience with reiserfs on 
i386, to my excuse). But the matter with amd64 may be more complex than it 
appears from the filesystems: I got a kernel (the last one from Debian) dump 
twice (reported here) while computing with mpqc, and it had nothing to do  
with hackers. In both cases the kernel was recovered with a reinstall, which 
did not take anything from repositories. I am also still wondering why I 
get /lib32 while I am installing a few things that supposedly require 
only /lib64. I got the naive impression that Debian amd64 is not mature for 
running mpqc. Luckily, the last useful computation can be easily recovered 
(until the HD allows so).

Yours
francesco pietra
>
> MfG
> Goswin


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Re: reiserfs/md1/failure/threads

2006-07-18 Thread Francesco Pietra
I followed with interest high-level discussions on the filesystem problems for 
amd64 by Peter Yorke, Michael Marchand, Jo Shields, and Erik Mouw. However, 
at low level, I would be much obliged for suggestions about what to do with 
my system, where crash relateted to resiserfs 3.6 occurred while my data are 
intact. I suppose that scanning disks for possible defetcts, and recovering 
everything should be possible. How at best?
thank you
francesco

Added info below
On Tuesday 18 July 2006 10:09, Goswin von Brederlow wrote:
> Francesco Pietra <[EMAIL PROTECTED]> writes:
> > Because the matter is rather obscure to me, sent also CC to mpqc although
> > it seems an exclusive problem of the OS.
> >
> > OS: Debian amd64 etch
> > Hardw: Tyan S2895 K8WE; two 265 dual opteron; 8GB ram Kingston ECC;
> > raid1; temperature cpu low throughout.
> >
> > Process: mpqc 2.3.1 calc b3lyp geom optimization  MCsearch OO calculation
> > for a large molecule, max_iterations = 40, memory = 5GB, launched as
> >
> > $mpqc -messagegrp ":(n=4)" filename.in | tee filename.out
> >
> > all 40 iterations were completed in a couple of days, with "Optimization
> > NOT converged".
> >
> > Restarted from the last minimum geometry, with memory = 7 GB, launched as
> >
> > $ mpqc -threadgrp ":(num_threads=4)" filename.in | tee
> > filename.out
> >
> > calculation hanged after ca 11 hours with warnings:
> >
> > ReiserFS: md1: warning: vs-5150: searchby key: invalid format found in
> > block 589839. Fsck?
> >
> > ReiserFS: md1: warning: vs-13070: reiserfs_read_locked_inode: i/o failure
> > occurred during tryong to find stat data of [7109 7110 0x0 SD]
> >
> > ReiserFS: warning: is_tree_node: node level 0 does not match to the
> > expected one 1.
> >
> > and several other similar warnings.
> >
> > Thanks for suggestions
> >
> > francesco
>
> If you checkd the disks, cables, controler and parity of the raid
Is any software command to partly fulfill your suggestions?
> then 
> the only suggestion I can make is don't use reiserfs.
When installing the OS I thought that  the most recent fs (reiserfs 3.6) were 
the most secure. Actually I have reiserfs on i386 (no raid) with no problem. 
Anyway, probably a warning against reiserfs on the installation disk or 
manual would avoid much troubles to users and advicers.

ADDED INFO: the system starts normally and I can read the out file from the 
mpqc calculation. I can recover the last geometry to restart the calculation.

Does this mean that the hardware is OK and it was only a failure of reiserfs 
3.6?

thanks again
francesco

Thanks a lot
francesco pietra
>
> MfG
> Goswin


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Re: reiserfs/md1/failure/threads

2006-07-18 Thread Goswin von Brederlow
Francesco Pietra <[EMAIL PROTECTED]> writes:

> When installing the OS I thought that  the most recent fs (reiserfs 3.6) were 
> the most secure. Actually I have reiserfs on i386 (no raid) with no problem. 
> Anyway, probably a warning against reiserfs on the installation disk or 
> manual would avoid much troubles to users and advicers.
>
> Thanks a lot
> francesco pietra

The most recent FS is generaly the one with the most unfound bugs left
and often a lot of design kinks that remain to be fixed.

Something like ext2 on the other hand has all the bugs and kinks
worked out over the years and there is very little new code that could
go wrong.

MfG
Goswin


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Re: Recent sid amd64 rpath oddity?

2006-07-18 Thread Goswin von Brederlow
Simon Huggins <[EMAIL PROTECTED]> writes:

> Hi,
>
> On the 3rd May I built libxfce4util and generated
> libxfce4util2_4.3.90.1-1_amd64.deb.  This is in the archive exactly as I
> built it.  It has a couple of lintian failures that I missed and have since
> been fixed in our SVN.
>
> Upstream have released recently and whilst checking these packages more
> thoroughly I've fixed up the lintian errors but I've also built the new
> package and I noticed that it's defining an rpath.  So I rooted around and
> tried to work out why but couldn't really work it out.  Upstream's
> libtool and autotools looked recent to me.  If I relibtoolize though
> this does go away.
>
> Out of curiousity I rebuilt the previous package i.e. 4.3.90.1-1 again from
> the same source files as before but with current sid and this time it fails
> with two extra lintian warnings:
> W: libxfce4util2: binary-or-shlib-defines-rpath 
> ./usr/lib/libxfce4util.so.2.1.0 /usr/lib
> W: libxfce4util2: binary-or-shlib-defines-rpath ./usr/sbin/xfce4-kiosk-query 
> /usr/lib
>
> If I rebuild the same package on i386 current sid then I don't get the rpath
> installed.
>
> I guess I have several questions:
>   - how can the same source package over a few months build
> differently in this way?
>   - am I really going to have to relibtoolize every xfce package
> before I upload or make them do it themselves? :-/
>   - how evil is an rpath on /usr/lib anyway?
>
> I'd welcome any testers on amd64 or not and on recent sid or not to narrow
> this down.  Or any clues as to how on earth this can happen.
>
> If you do want to relibtoolize then install xfce4-dev-ools and run
> xdt-autogen in the package dirrectory.

Your package, or more likely libtool, has different ideas about what
amd64 system library dirs are to what debian has.  Other distributions
use /usr/lib64 and debian has /usr/lib. That confuses libtool into
adding a rpath. The fix is to force libtool to never ever use rpath.
If you can't get libtool to leave well enough alone then use 'chrpath
-d'.

With rpath your package will afaik break when the library moves,
e.g. to /usr/lib64 for biarch systems as we use at my workplace, or
the multiarch /usr/lib/x86_64-linux-gnu directory.

MfG
Goswin


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Re: reiserfs/md1/failure/threads

2006-07-18 Thread Goswin von Brederlow
Erik Mouw <[EMAIL PROTECTED]> writes:

> On Tue, Jul 18, 2006 at 12:01:31PM +0100, Jo Shields wrote:
>> Reiser is lasting up better, but reiserfsck segfaults when it 
>> sees /home
>
> That means that the filesystem has errors. Reiserfsck is able to detect
> them, but because nobody has seen those errors before it will segfault
> on them. That also means that the reiserfs filesystem driver in the
> kernel will happily screw the filesystem further up without notice.
> Back up your data *NOW* before it's too late.

That is such a joke and just shows how poor a quality the reiserfs
code is. A segfault is always a bug in the software. You can't expect
input, especialy in a repair program, to conform to any syntax. If the
input data were always correct you wouldn't need checking and repairing.


And there I was considering testing reiserfs due to fast resize
operation yesterday. Now I'm happy that I didn't try.

MfG
Goswin


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Re: apparent crashes persist.

2006-07-18 Thread hendrik
On Thu, Jul 13, 2006 at 07:21:06AM -0400, [EMAIL PROTECTED] wrote:
>  On Wed, Jul 12, 2006 at 09:43:55PM -0500, Jaime Ochoa Malag?n wrote:
> > An importat thing about havig ssh acces is the problem is not wqith
> > the machine is with your applications, try vesa X driver...
> > 
> > You could have only a unstable X...
> 
> I'm currently running the vesa X driver.  Previously I had the problem 
> with the nvidia X drivers.
> 
> The problem shows up as dead mouse pointer.  Which maked X pretty 
> useless.  But if the system is in a state where it might expect keyboard 
> input, it continues to react to the keyboard.  I can continue to enter a 
> URL into firefox (though it won't load a new one when I press enter), 
> and the tab key allows me to change panes in firefox -- tab between ads, 
> images, and so forth.  However, the ctrl-alt-F* keys no longer work.
> 
> In fact, the specificity of the problem suggests that it is probably not 
> a RAM problem at all.  But it doesn't rule out other hardware, such as
> maybe the mouse itself, or the USB controller the mouse plugs into.

And it doesn't seem to be a problem with 64-bit cleanlines or with 
leftovers from tortuous upgrades.  I installed 32-bit etch on a spare 
partition, with the same failures.

It might be hardware, but probably not RAM.  It might be a device-driver 
for one of the new nvidia chips on the AMD-64 motherboard (the reason 
why I'm using etch instead of stable).

Still no idea how to track this down.

-- hendrik


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Re: reiserfs/md1/failure/threads

2006-07-18 Thread Peter Yorke
A few other solutions I had with reiser

Was seeing consistent sleepycat database corruption together with the type of 
log messages you described on MD softraids about 6 months ago

I ended up dumping the reiser for xfs and upgrading the kernel from 2.6.8 to 
2.6.12

For reasons of performance/stability/realiability, some of these systems needed 
3ware raid controllers which required kernel upgrades to 2.6.16

I would have liked to have stayed with reiser, but it just didn't seem to 
behave well in the Debian amd64 OS

Today I have over 100 happy Debian amd64 servers running 2.6.12/16 with xfs on 
soft and hard raid configurations

Peter
Peter Yorke
Sr. Linux Server Engineer
--
Thumb typed from a tiny keyboard.
 

- Original Message -
From: Jo Shields <[EMAIL PROTECTED]>
To: Erik Mouw <[EMAIL PROTECTED]>
Cc: Francesco Pietra <[EMAIL PROTECTED]>; debian-amd64@lists.debian.org 
; [EMAIL PROTECTED] <[EMAIL PROTECTED]>
Sent: Tue Jul 18 05:37:20 2006
Subject: Re: reiserfs/md1/failure/threads

Erik Mouw wrote:
> On Tue, Jul 18, 2006 at 12:01:31PM +0100, Jo Shields wrote:
>   
>> Mickael Marchand wrote:
>> 
>>> check your memory (yes it's going to be long, but that's almost always
>>> the reason of reiserfs failures)
>>> I am stressing hard reiserfs on various amd64/em64t boxes, no pbl so
>>> far.
>>> every box I found corrupting filesystems were having :
>>> 1 - bad hard drives that a low scan confirmed
>>> or 2 - bad memory that a real long memtest could detect
>>>
>>> Cheers,
>>> Mik
>>>  
>>>   
>> I'll add to this - I've seen corruption with all filesystems on my 
>> office desktop (which has screwed memory, but they refuse to fix it). 
>> EXT3 gave up on journalling & just started writing junk, costing me my 
>> /home.
>> 
>
> Ext2/ext3 complains about errors, but you normally don't see that
> because it's hidden in the system log files. It's a good thing to mount
> partitions with the "errors=remount-ro" option. If anything goes wrong,
> the kernel will mount the partition read-only. Reboot+fsck will save
> your data.
>
>   
>> Reiser is lasting up better, but reiserfsck segfaults when it 
>> sees /home
>> 
>
> That means that the filesystem has errors. Reiserfsck is able to detect
> them, but because nobody has seen those errors before it will segfault
> on them. That also means that the reiserfs filesystem driver in the
> kernel will happily screw the filesystem further up without notice.
> Back up your data *NOW* before it's too late.
>   

Meh. I stopped using my desktop for real work a while back, since it 
locks up under load. If I ask nicely, they take my machine away for a 
week, sit on it, then give it back to me.


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Re: reiserfs/md1/failure/threads

2006-07-18 Thread Jo Shields

Erik Mouw wrote:

On Tue, Jul 18, 2006 at 12:01:31PM +0100, Jo Shields wrote:
  

Mickael Marchand wrote:


check your memory (yes it's going to be long, but that's almost always
the reason of reiserfs failures)
I am stressing hard reiserfs on various amd64/em64t boxes, no pbl so
far.
every box I found corrupting filesystems were having :
1 - bad hard drives that a low scan confirmed
or 2 - bad memory that a real long memtest could detect

Cheers,
Mik
 
  
I'll add to this - I've seen corruption with all filesystems on my 
office desktop (which has screwed memory, but they refuse to fix it). 
EXT3 gave up on journalling & just started writing junk, costing me my 
/home.



Ext2/ext3 complains about errors, but you normally don't see that
because it's hidden in the system log files. It's a good thing to mount
partitions with the "errors=remount-ro" option. If anything goes wrong,
the kernel will mount the partition read-only. Reboot+fsck will save
your data.

  
Reiser is lasting up better, but reiserfsck segfaults when it 
sees /home



That means that the filesystem has errors. Reiserfsck is able to detect
them, but because nobody has seen those errors before it will segfault
on them. That also means that the reiserfs filesystem driver in the
kernel will happily screw the filesystem further up without notice.
Back up your data *NOW* before it's too late.
  


Meh. I stopped using my desktop for real work a while back, since it 
locks up under load. If I ask nicely, they take my machine away for a 
week, sit on it, then give it back to me.



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Re: reiserfs/md1/failure/threads

2006-07-18 Thread Erik Mouw
On Tue, Jul 18, 2006 at 12:01:31PM +0100, Jo Shields wrote:
> Mickael Marchand wrote:
> >check your memory (yes it's going to be long, but that's almost always
> >the reason of reiserfs failures)
> >I am stressing hard reiserfs on various amd64/em64t boxes, no pbl so
> >far.
> >every box I found corrupting filesystems were having :
> >1 - bad hard drives that a low scan confirmed
> >or 2 - bad memory that a real long memtest could detect
> >
> >Cheers,
> >Mik
> >  
> 
> I'll add to this - I've seen corruption with all filesystems on my 
> office desktop (which has screwed memory, but they refuse to fix it). 
> EXT3 gave up on journalling & just started writing junk, costing me my 
> /home.

Ext2/ext3 complains about errors, but you normally don't see that
because it's hidden in the system log files. It's a good thing to mount
partitions with the "errors=remount-ro" option. If anything goes wrong,
the kernel will mount the partition read-only. Reboot+fsck will save
your data.

> Reiser is lasting up better, but reiserfsck segfaults when it 
> sees /home

That means that the filesystem has errors. Reiserfsck is able to detect
them, but because nobody has seen those errors before it will segfault
on them. That also means that the reiserfs filesystem driver in the
kernel will happily screw the filesystem further up without notice.
Back up your data *NOW* before it's too late.

Reiserfs is much more vulnerable to disk errors cause it lacks
redundancy:
- There is only one superblock. If you loose it (bad block, for
  example) you *could* repair it with reiserfsck, but for that you need
  to know the hash type, which depends on the fileystem version, and
  the only place where that is documented is the superblock. If you
  guess it wrong, your data will be lost.
- File connectivity is represented by a btree (b+tree, IIRC). If you
  loose some of the nodes high up in the tree, you can recover files,
  but where they belong in the tree is everybody's guess.

Another interesting way to screw up reiserfs is to have an image of
another reiserfs on a reiserfs partition. Reiserfsck will happily link
the contents of that image into the containing partition damaging the
partition beyond repair.

Due to its traditional Unix disk layout, ext[23] doesn't have the
problems reiserfs has. And ext2/ext3 is the only filesystem that has a
regression test suite for its fsck, so errors in earlier e2fsck
revision will not pop up again in later revisions.

Sure, reiser4 will solve some of the problems I mentioned above, but it
doesn't look like it will go into the kernel real soon now. See
http://wiki.kernelnewbies.org/WhyReiser4IsNotIn , or tune in to the
linux-kernel mailing list for the current reiser4 flamewar.


Erik

-- 
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Re: reiserfs/md1/failure/threads

2006-07-18 Thread Jo Shields

Mickael Marchand wrote:

check your memory (yes it's going to be long, but that's almost always
the reason of reiserfs failures)
I am stressing hard reiserfs on various amd64/em64t boxes, no pbl so
far.
every box I found corrupting filesystems were having :
1 - bad hard drives that a low scan confirmed
or 2 - bad memory that a real long memtest could detect

Cheers,
Mik
  


I'll add to this - I've seen corruption with all filesystems on my 
office desktop (which has screwed memory, but they refuse to fix it). 
EXT3 gave up on journalling & just started writing junk, costing me my 
/home. Reiser is lasting up better, but reiserfsck segfaults when it 
sees /home



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Re: reiserfs/md1/failure/threads

2006-07-18 Thread Mickael Marchand
check your memory (yes it's going to be long, but that's almost always
the reason of reiserfs failures)
I am stressing hard reiserfs on various amd64/em64t boxes, no pbl so
far.
every box I found corrupting filesystems were having :
1 - bad hard drives that a low scan confirmed
or 2 - bad memory that a real long memtest could detect

Cheers,
Mik

On Tue, Jul 18, 2006 at 07:15:33AM +0200, Francesco Pietra wrote:
> Because the matter is rather obscure to me, sent also CC to mpqc although it 
> seems an exclusive problem of the OS.
> 
> OS: Debian amd64 etch
> Hardw: Tyan S2895 K8WE; two 265 dual opteron; 8GB ram Kingston ECC; raid1; 
> temperature cpu low throughout.
> 
> Process: mpqc 2.3.1 calc b3lyp geom optimization  MCsearch OO calculation 
> for a large molecule, max_iterations = 40, memory = 5GB, launched as
> 
> $mpqc -messagegrp ":(n=4)" filename.in | tee filename.out
> 
> all 40 iterations were completed in a couple of days, with "Optimization NOT 
> converged".
> 
> Restarted from the last minimum geometry, with memory = 7 GB, launched as
> 
> $ mpqc -threadgrp ":(num_threads=4)" filename.in | tee
> filename.out
> 
> calculation hanged after ca 11 hours with warnings:
> 
> ReiserFS: md1: warning: vs-5150: searchby key: invalid format found in block 
> 589839. Fsck?
> 
> ReiserFS: md1: warning: vs-13070: reiserfs_read_locked_inode: i/o failure 
> occurred during tryong to find stat data of [7109 7110 0x0 SD]
> 
> ReiserFS: warning: is_tree_node: node level 0 does not match to the expected 
> one 1.
> 
> and several other similar warnings.
> 
> Thanks for suggestions
> 
> francesco
> 
> 
> 
> 
> 
> 
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Re: reiserfs/md1/failure/threads

2006-07-18 Thread Francesco Pietra
Added info below
On Tuesday 18 July 2006 10:09, Goswin von Brederlow wrote:
> Francesco Pietra <[EMAIL PROTECTED]> writes:
> > Because the matter is rather obscure to me, sent also CC to mpqc although
> > it seems an exclusive problem of the OS.
> >
> > OS: Debian amd64 etch
> > Hardw: Tyan S2895 K8WE; two 265 dual opteron; 8GB ram Kingston ECC;
> > raid1; temperature cpu low throughout.
> >
> > Process: mpqc 2.3.1 calc b3lyp geom optimization  MCsearch OO calculation
> > for a large molecule, max_iterations = 40, memory = 5GB, launched as
> >
> > $mpqc -messagegrp ":(n=4)" filename.in | tee filename.out
> >
> > all 40 iterations were completed in a couple of days, with "Optimization
> > NOT converged".
> >
> > Restarted from the last minimum geometry, with memory = 7 GB, launched as
> >
> > $ mpqc -threadgrp ":(num_threads=4)" filename.in | tee
> > filename.out
> >
> > calculation hanged after ca 11 hours with warnings:
> >
> > ReiserFS: md1: warning: vs-5150: searchby key: invalid format found in
> > block 589839. Fsck?
> >
> > ReiserFS: md1: warning: vs-13070: reiserfs_read_locked_inode: i/o failure
> > occurred during tryong to find stat data of [7109 7110 0x0 SD]
> >
> > ReiserFS: warning: is_tree_node: node level 0 does not match to the
> > expected one 1.
> >
> > and several other similar warnings.
> >
> > Thanks for suggestions
> >
> > francesco
>
> If you checkd the disks, cables, controler and parity of the raid
Is any software command to partly fulfill your suggestions?
> then 
> the only suggestion I can make is don't use reiserfs.
When installing the OS I thought that  the most recent fs (reiserfs 3.6) were 
the most secure. Actually I have reiserfs on i386 (no raid) with no problem. 
Anyway, probably a warning against reiserfs on the installation disk or 
manual would avoid much troubles to users and advicers.

ADDED INFO: the system starts normally and I can read the out file from the 
mpqc calculation. I can recover the last geometry to restart the calculation.

Does this mean that the hardware is OK and it was only a failure of reiserfs 
3.6?

thanks again
francesco

Thanks a lot
francesco pietra
>
> MfG
> Goswin


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Re: reiserfs/md1/failure/threads

2006-07-18 Thread Francesco Pietra
On Tuesday 18 July 2006 10:09, Goswin von Brederlow wrote:
> Francesco Pietra <[EMAIL PROTECTED]> writes:
> > Because the matter is rather obscure to me, sent also CC to mpqc although
> > it seems an exclusive problem of the OS.
> >
> > OS: Debian amd64 etch
> > Hardw: Tyan S2895 K8WE; two 265 dual opteron; 8GB ram Kingston ECC;
> > raid1; temperature cpu low throughout.
> >
> > Process: mpqc 2.3.1 calc b3lyp geom optimization  MCsearch OO calculation
> > for a large molecule, max_iterations = 40, memory = 5GB, launched as
> >
> > $mpqc -messagegrp ":(n=4)" filename.in | tee filename.out
> >
> > all 40 iterations were completed in a couple of days, with "Optimization
> > NOT converged".
> >
> > Restarted from the last minimum geometry, with memory = 7 GB, launched as
> >
> > $ mpqc -threadgrp ":(num_threads=4)" filename.in | tee
> > filename.out
> >
> > calculation hanged after ca 11 hours with warnings:
> >
> > ReiserFS: md1: warning: vs-5150: searchby key: invalid format found in
> > block 589839. Fsck?
> >
> > ReiserFS: md1: warning: vs-13070: reiserfs_read_locked_inode: i/o failure
> > occurred during tryong to find stat data of [7109 7110 0x0 SD]
> >
> > ReiserFS: warning: is_tree_node: node level 0 does not match to the
> > expected one 1.
> >
> > and several other similar warnings.
> >
> > Thanks for suggestions
> >
> > francesco
>
> If you checkd the disks, cables, controler and parity of the raid
Is any software command to partly fulfill your suggestions?
> then 
> the only suggestion I can make is don't use reiserfs.
When installing the OS I thought that  the most recent fs (reiserfs 3.6) were 
the most secure. Actually I have reiserfs on i386 (no raid) with no problem. 
Anyway, probably a warning against reiserfs on the installation disk or 
manual would avoid much troubles to users and advicers.

Thanks a lot
francesco pietra
>
> MfG
> Goswin


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Re: No sound on etch when using video players

2006-07-18 Thread Jo Shields

Gudjon I. Gudjonsson wrote:

Hi
   I might be off topic but I have had the problem with my sound card 
that /dev/dsp is not created at boot time. I need to create it myself

mknod /dev/dsp c 14 3
chgrp audio /dev/dsp
chmod 660 /dev/dsp

then I can use realplayer and skype. Hope it helps and a solution would be 
very much appreciated:)


/Gudjon


or "modprobe snd-pcm-oss"


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Recent sid amd64 rpath oddity?

2006-07-18 Thread Simon Huggins
Hi,

On the 3rd May I built libxfce4util and generated
libxfce4util2_4.3.90.1-1_amd64.deb.  This is in the archive exactly as I
built it.  It has a couple of lintian failures that I missed and have since
been fixed in our SVN.

Upstream have released recently and whilst checking these packages more
thoroughly I've fixed up the lintian errors but I've also built the new
package and I noticed that it's defining an rpath.  So I rooted around and
tried to work out why but couldn't really work it out.  Upstream's
libtool and autotools looked recent to me.  If I relibtoolize though
this does go away.

Out of curiousity I rebuilt the previous package i.e. 4.3.90.1-1 again from
the same source files as before but with current sid and this time it fails
with two extra lintian warnings:
W: libxfce4util2: binary-or-shlib-defines-rpath ./usr/lib/libxfce4util.so.2.1.0 
/usr/lib
W: libxfce4util2: binary-or-shlib-defines-rpath ./usr/sbin/xfce4-kiosk-query 
/usr/lib

If I rebuild the same package on i386 current sid then I don't get the rpath
installed.

I guess I have several questions:
- how can the same source package over a few months build
  differently in this way?
- am I really going to have to relibtoolize every xfce package
  before I upload or make them do it themselves? :-/
- how evil is an rpath on /usr/lib anyway?

I'd welcome any testers on amd64 or not and on recent sid or not to narrow
this down.  Or any clues as to how on earth this can happen.

If you do want to relibtoolize then install xfce4-dev-ools and run
xdt-autogen in the package dirrectory.

Thanks.

Simon.

heh, good sigmonster.

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 oOoOo   the fact that other people are wonderful resources tooOoOo
  oOoOo fixing problems, and let them help you. - Linus Torvalds oOoOo
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Re: reiserfs/md1/failure/threads

2006-07-18 Thread Goswin von Brederlow
Francesco Pietra <[EMAIL PROTECTED]> writes:

> Because the matter is rather obscure to me, sent also CC to mpqc although it 
> seems an exclusive problem of the OS.
>
> OS: Debian amd64 etch
> Hardw: Tyan S2895 K8WE; two 265 dual opteron; 8GB ram Kingston ECC; raid1; 
> temperature cpu low throughout.
>
> Process: mpqc 2.3.1 calc b3lyp geom optimization  MCsearch OO calculation 
> for a large molecule, max_iterations = 40, memory = 5GB, launched as
>
> $mpqc -messagegrp ":(n=4)" filename.in | tee filename.out
>
> all 40 iterations were completed in a couple of days, with "Optimization NOT 
> converged".
>
> Restarted from the last minimum geometry, with memory = 7 GB, launched as
>
> $ mpqc -threadgrp ":(num_threads=4)" filename.in | tee
> filename.out
>
> calculation hanged after ca 11 hours with warnings:
>
> ReiserFS: md1: warning: vs-5150: searchby key: invalid format found in block 
> 589839. Fsck?
>
> ReiserFS: md1: warning: vs-13070: reiserfs_read_locked_inode: i/o failure 
> occurred during tryong to find stat data of [7109 7110 0x0 SD]
>
> ReiserFS: warning: is_tree_node: node level 0 does not match to the expected 
> one 1.
>
> and several other similar warnings.
>
> Thanks for suggestions
>
> francesco

If you checkd the disks, cables, controler and parity of the raid then
the only suggestion I can make is don't use reiserfs.

MfG
Goswin


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Re: No sound on etch when using video players

2006-07-18 Thread Gudjon I. Gudjonsson
Hi
   I might be off topic but I have had the problem with my sound card 
that /dev/dsp is not created at boot time. I need to create it myself
mknod /dev/dsp c 14 3
chgrp audio /dev/dsp
chmod 660 /dev/dsp

then I can use realplayer and skype. Hope it helps and a solution would be 
very much appreciated:)

/Gudjon


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Re: No sound on etch when using video players

2006-07-18 Thread Jo Shields

Sam Varghese wrote:

-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

On Fri, Jul 14, 2006 at 09:46:27AM +0100 Jo Shields said:
  

Sam Varghese wrote:


On Thu, Jul 13, 2006 at 03:55:44PM -0400 Lennart Sorensen said:
 
  

On Thu, Jul 13, 2006 at 08:47:29AM +1000, Sam Varghese wrote:
   


Yes, the sound daemon is running. And the gstreamer packs are installed.

The user is already a member of the audio group (which I presume is what
you mean).

Same situation. Sound with CDs, not with videos or DVDs.
 
  

Is mixer volume for PCM set high enough and unmuted?  Playing audio CDs
use one of the line in volume settings after all, not PCM.
   


That's fine as well. It's just a mystery to me. And very frustrating as
well.

Thanks for the tip anyway.
 
  

If you have a digital output switch mixer, mute/unmute it

e.g. http://apebox.org/modules/images//Miscelaneous%20Junk/digitalout.png

 
I've looked long and hard for an equaliser similar to this but can't

find one. What's the name of the app in the link you provided?

Thanks,

Sam


It's probably xfce4-mixer, but you'll find the same functionality in 
alsamixer or alsamixergui too



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Re: 32bit chroot help

2006-07-18 Thread Goswin von Brederlow
Bharath Ramesh <[EMAIL PROTECTED]> writes:

> I had recently posted in the group for suggestions on the best possible
> setup for a dual opteron compile/head node for our cluster. The solution
> for 32bit support was to install a chroot for compiling 32bit
> applications. I have a few questions on the best way to set up the 32bit
> chroot.
>
> 1) The base-config package has been dropped. Do I need to configure the
> 32bit chroot or I dont need to configure the chroot at all.

Install sarge and dist-upgrade.

> 2) We use nis for providing a single authentication system. From the
> documents I read I need to have a copy of my /etc/passwd, /etc/shadow
> and /etc/group in the 32bit chroot. Since I am using nis what would be
> the way to enable this.

Setup nis inside the chroot just like outside the chroot.

> I really appreciate the help given by all the debian developers and
> users.
>
> Thanks,
>
> Bharath

MfG
Goswin


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Re: amd64 stable release signature problems?

2006-07-18 Thread Goswin von Brederlow
Jo Shields <[EMAIL PROTECTED]> writes:

> Török Edvin wrote:
>> Hi,
>>
>> Today I got this error while running `aptitude update`:
>>
>> W: GPG error: http://amd64.debian.net stable Release: The following
>> signatures were invalid: BADSIG E415B2B4B5F5BBED Debian AMD64 Archive
>> Key 
>>
>>
>> The Release file for testing and sid are fine. What is going on, did
>> the release file get corrupt?
>> FYI: I am using sid, but I kept stable in my sources.list, now that
>> there are key problems, I've deleted it from sources.list. But still,
>> why this error?
>>
>> Thanks,
>> Edwin
>
> AMD64 Stable is not an official Debian project, and is not signed with
> official Debian keys.

Doh, it is BADSIG. That means the signature in Release.gpg does not
match the Release file. Doesn't matter who signed it or if the key is
known, it is just broken.


Ganneff, can you check this and comment?

MfG
Goswin


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reiserfs/md1/failure/threads

2006-07-18 Thread Francesco Pietra
Because the matter is rather obscure to me, sent also CC to mpqc although it 
seems an exclusive problem of the OS.

OS: Debian amd64 etch
Hardw: Tyan S2895 K8WE; two 265 dual opteron; 8GB ram Kingston ECC; raid1; 
temperature cpu low throughout.

Process: mpqc 2.3.1 calc b3lyp geom optimization  MCsearch OO calculation 
for a large molecule, max_iterations = 40, memory = 5GB, launched as

$mpqc -messagegrp ":(n=4)" filename.in | tee filename.out

all 40 iterations were completed in a couple of days, with "Optimization NOT 
converged".

Restarted from the last minimum geometry, with memory = 7 GB, launched as

$ mpqc -threadgrp ":(num_threads=4)" filename.in | tee
filename.out

calculation hanged after ca 11 hours with warnings:

ReiserFS: md1: warning: vs-5150: searchby key: invalid format found in block 
589839. Fsck?

ReiserFS: md1: warning: vs-13070: reiserfs_read_locked_inode: i/o failure 
occurred during tryong to find stat data of [7109 7110 0x0 SD]

ReiserFS: warning: is_tree_node: node level 0 does not match to the expected 
one 1.

and several other similar warnings.

Thanks for suggestions

francesco






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