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Old 07-29-2008, 10:47 AM
Tru Huynh
 
Default

On Tue, Jul 29, 2008 at 10:49:14AM +0100, Hywel Richards wrote:
> Given that I can get this to work well on a CentOS4 machine, and I have
...
where did you generate your libmy.so? On a C3/4/5 box?

What gives (on c4 and c5):
ldd libmy.so

You may miss some compat libs.

Tru
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Old 07-29-2008, 11:42 AM
Chris Bannister
 
Default

On Mon, Jul 28, 2008 at 02:58:58PM +0100, Bob Cox wrote:
>
> As a matter of interest I have both of these in my ~/.muttrc
>
> lists debian-user@lists.debian.org
> subscribe debian-user@lists.debian.org

Hi Bob,

According to the mutt docs you don't need the "subscribe" *and* the
"lists" command, i.e.:


More precisely, Mutt maintains lists of patterns for the addresses of
known and subscribed mailing lists. Every subscribed mailing list is
known. To mark a mailing list as known, use the ``lists' command.
To mark it as subscribed, use ``subscribe'.


I suppose it doesn't really matter but it keeps your .muttrc a bit
leaner. :-)

--
Chris.
======
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at the stake while the votes were being counted." -- Thomas B. Reed


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Old 07-29-2008, 11:59 AM
Johnny Hughes
 
Default

Hywel Richards wrote:

Hywel Richards wrote:
No matter how I try, I can't seem to get a library profile from sprof
on CentOS5.


Does anyone know if sprof actually works on CentOS5? I'd be very
interested to hear if anyone is using it successfully.


At the moment I'm trying something like this to get the dump:

LD_LIBRARY_PATH=. LD_PROFILE=libmy.so ./mymain

where libmy.so is the library I want to profile, and mymain is the
executable which links to it.


This appears to create the profile dump successfully (which appears at
/var/tmp/libmy.so.profile), but when I try to get a readable profile
using sprof it fails:


$ sprof libmy.so /var/tmp/libmy.so.profile
sprof: failed to load shared object `libmy.so'

I have a CentOS4 machine here, and doing the above on that works fine,
but I've had no luck at all on CentOS5 (all currently up-to-date).


Can anyone help? (Please!)

Given that I can get this to work well on a CentOS4 machine, and I have
tried lots of minor trivial changes to command-line, etc, but still fail
on CentOS5, does anyone know what I can do or where I can go to progress
this further?


My current guess is that it is a (probably very trivial) bug, although I
recognise there still the possibility that this is simply a usage
problem (however, if that is so, the usage since centos4 has clearly
changed).


A more straightforward program I might have a go at debugging, but I
don't feel competent on this one - sprof is part of the glibc package.


The glibc pages (http://www.gnu.org/software/libc/bugs.html) say that
bugs should be reported to the distribution project first.


I would also be interested to know what the general policy is regarding
what to do about bugs on Centos. I presume there is no way for people
involved in centos to make changes directly, otherwise the distribution
stops being a clone, so bugs/fixes on the centos bugzilla presumably get
fed back to redhat at some point, and then eventually trickle down? (Is
there a webpage somewhere explaining how this works? I know the FAQ
states that there is no relationship with redhat, but surely they must
exploit the bug reports somehow).


Anyway, should I report this on the CentOS bugzilla?
Would someone take it up if I did?
I assume that reporting it to redhat would be inappropriate.
If not centos, should I go on to report it to glibc?



http://lists4.suse.de/opensuse-bugs/2007-09/msg10980.html

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Old 07-29-2008, 03:17 PM
Hywel Richards
 
Default

Tru Huynh wrote:

where did you generate your libmy.so? On a C3/4/5 box?

What gives (on c4 and c5):
ldd libmy.so

You may miss some compat libs.

Tru



For the c4 test, I built it on c4, and for the c5 test I built it on c5.

Here are the outputs from ldd on the c4 and c5 boxes respectively:

[hywel@centos4box]$ ldd libmy.so
libstdc++.so.6 => /usr/lib/libstdc++.so.6 (0x00e45000)
libm.so.6 => /lib/tls/libm.so.6 (0x00afd000)
libgcc_s.so.1 => /lib/libgcc_s.so.1 (0x00a80000)
libc.so.6 => /lib/tls/libc.so.6 (0x00267000)
/lib/ld-linux.so.2 (0x00a48000)

[hywel@centos5box]$ ldd libmy.so
linux-gate.so.1 => (0x009ce000)
libstdc++.so.6 => /usr/lib/libstdc++.so.6 (0x004e7000)
libm.so.6 => /lib/libm.so.6 (0x005fe000)
libgcc_s.so.1 => /lib/libgcc_s.so.1 (0x00eae000)
libc.so.6 => /lib/libc.so.6 (0x00110000)
/lib/ld-linux.so.2 (0x00908000)

The .so files work fine, it's only when I later run sprof to get the
profile that I have any problem (on the c5 box).


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Old 07-29-2008, 03:29 PM
Hywel Richards
 
Default

Johnny Hughes wrote:


http://lists4.suse.de/opensuse-bugs/2007-09/msg10980.html



This looks like it might well be the same problem.

I guess the fact that this is in an OpenSUSE list suggests that it is a
problem originating in glibc.


It's a little bit discouraging that the bug was entered so long ago and
is still open.

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Old 07-29-2008, 03:55 PM
Tru Huynh
 
Default

On Tue, Jul 29, 2008 at 04:29:19PM +0100, Hywel Richards wrote:
> Johnny Hughes wrote:
>>
>> http://lists4.suse.de/opensuse-bugs/2007-09/msg10980.html
>>
>
> This looks like it might well be the same problem.
yes
http://lists.opensuse.org/opensuse-factory/2007-09/msg00477.html
https://bugzilla.novell.com/show_bug.cgi?id=327040#c3

Could you please fill a bug at http://bugs.centos.org and to upstream
http://bugzilla.redhat.com with these 2 links.

> It's a little bit discouraging that the bug was entered so long ago and
> is still open.
There is no match when I search "sprof" on http://bugzilla.redhat.com
How would they fix it if it's not reported there

Tru
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Old 07-29-2008, 06:39 PM
"ali zerara"
 
Default

ie you need hellpe for ubunu* ho to get one free
this is my mskype z.alix
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Old 07-29-2008, 07:00 PM
"ali zerara"
 
Default

هدا سكيب نتاعي******************** **** my skype* * * * * * * * * z.alix
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Old 07-29-2008, 07:16 PM
Hywel Richards
 
Default

Tru Huynh wrote:

On Tue, Jul 29, 2008 at 04:29:19PM +0100, Hywel Richards wrote:


Johnny Hughes wrote:


http://lists4.suse.de/opensuse-bugs/2007-09/msg10980.html



This looks like it might well be the same problem.


yes
http://lists.opensuse.org/opensuse-factory/2007-09/msg00477.html
https://bugzilla.novell.com/show_bug.cgi?id=327040#c3

Could you please fill a bug at http://bugs.centos.org and to upstream
http://bugzilla.redhat.com with these 2 links.





OK, I have logged the problem at bugs.centos.org
(http://bugs.centos.org/view.php?id=3021), but is it in order to enter
it in the redhat bugzilla when I don't have RHEL to check it against?


I know it will be the same, but what is their/centos's policy on this?
This was the reason for my asking generally about bug reporting policy
in centos - is there a webpage somewhere describing what the process is
supposed to be here? I was expecting that the bug would first reach
confirmed status before it got forwarded upstream, or something like that.


Hywel.

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Old 07-30-2008, 12:17 AM
Celejar
 
Default

On Mon, 28 Jul 2008 17:39:58 +0300
Andrei Popescu <andreimpopescu@gmail.com> wrote:

...

> I was somewhat forced to use gmail for smtp because my ISP doesn't allow
> sending mails with a 'From:' address not on their servers (and I don't
> want to use that address).

I just posted about this, several minutes ago, on the Debian Exim list:

http://lists.alioth.debian.org/pipermail/pkg-exim4-users/2008-July/001440.html

> Andrei

Celejar
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