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-   -   I am getting glibc errors (http://www.howtoforge.com/forums/showthread.php?t=1370)

Ovidiu 23rd November 2005 07:51

I am getting glibc errors
 
I do not know anything about this, so I`ll post some lines from my logfiles:

Quote:

Nov 22 14:05:08 hxxxx proftpd[1213]: hxxxx.serverkompetenz.net
(218.234.13.xxx[218.234.13.xxx]) - USER web: no such user found from 218.234.13.xxx
[218.234.13.xxx] to 81.169.xxx.xxx:21
Nov 22 14:05:08 hxxxx *** glibc detected *** corrupted double-linked list:
0x081102a0 ***
Nov 22 14:05:08 hxxxx proftpd[1235]: hxxxx.serverkompetenz.net
Quote:

Nov 22 14:05:11 hxxxx proftpd[1252]: hxxxx.serverkompetenz.net
(218.234.13.xxx[218.234.13.xxx]) - no such user 'web'
Nov 22 14:05:11 hxxxx *** glibc detected *** free(): invalid next size (fast):
0x08110270 ***
Nov 22 14:05:11 hxxxx proftpd[1251]: hxxxx.serverkompetenz.net
Quote:

Nov 23 00:28:40 hxxxx *** glibc detected *** malloc(): memory corruption: 0x081118b0
***
Any idea how to track this error down and remove?

themachine 4th December 2005 20:51

Quote:

Originally Posted by Tenaka
Any idea how to track this error down and remove?


What OS and version are you running?


What version of glibc is it? Please post the output of one of the following:

RedHt/Fedorea:
Code:

# rpm -qa | grep -i glibc

or

# rpm -qa | grep -i libc6

or something...

Debian:
Code:

# dpkg -l libc6

Ovidiu 4th December 2005 22:53

debian 3.1

Quote:

h5810:~/eaccelerator-0.9.4-rc1# dpkg -l libc6
Gewünscht=Unbekannt/Installieren/R=Entfernen/P=Säubern/Halten
| Status=Nicht/Installiert/Config/U=Entpackt/Fehlgeschl. Konf./Halb install.
|/ Fehler?=(keiner)/Halten/R=Neuinst. notw/X=beides (Status, Fehler: GROß=schlecht)
||/ Name Version Beschreibung
+++-==============-==============-============================================
ii libc6 2.3.5-6 GNU C Library: Shared libraries and Timezone
h5810:~/eaccelerator-0.9.4-rc1#

themachine 5th December 2005 02:22

Quote:

Originally Posted by Tenaka
debian 3.1


Did you manually upgrade that at some point? On my 3.1 box I have version 2.3.2.ds1-22...


Check out this forum... your not the only one having those issues with libc6 2.3.5*... http://www.linuxquestions.org/questi...hreadid=349135

Ovidiu 5th December 2005 10:09

I already googled around, I remember seeing that post too, but as I have not programmed anything, using only ready - made packages (almost) I thought no longer about this issue...

I guess I'll try a downgrade tonight but I do not remember who or what programm requiered newer version of libc6...

Ovidiu 5th December 2005 20:31

if I downgrade to that version with apt-get install libc6=2.3.2.ds1-22 there are a lot of packages marked for removal.
How would I also mark those dependencies for downgrade ?

While waiting for help I will upgrade libc6 to its unstable version which will only upgrade 2 more packages to unstable, maybe the problem is solved with the never package!?

the upgrade helped with ftp uploads, it no longer disconnects me when uploading but when trying to list a remote folder it still gives glibc errors...

any suggestion on how to downgrade libc6 and its dependencies? or might an upgrade of proftpd help?

Ovidiu 20th December 2005 14:31

to revive that old post:

I did not succeed in downgrading, upgrading did not help.

maybe someone can help here:

Quote:

if I downgrade to that version with apt-get install libc6=2.3.2.ds1-22 there are a lot of packages marked for removal.
How would I also mark those dependencies for downgrade ?

falko 20th December 2005 16:28

To be honest: it's not the best idea to upgrade/downgrade glibc, because too many programs rely on it. If you do it nevertheless, chances are good that you mess up your system.

If it is not a production system, I'd suggest that you re-install the system from the beginning.

Ovidiu 20th December 2005 17:05

ok I udnerstood that but is it technicall ypossible?

i.e. If I upgrade a package, packages relying upon it are automatically marked for upgrade as well, but if I downgrade a package the packages depending on it are marked for deletion instead, so how would I go about this if I would want to do it?

falko 20th December 2005 20:49

I've never been able to upgrade/downgrade glibc without getting dependancy errors, so - theoretically it should be possible, practically it's more than difficult... :(


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