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CentOS 4 template problem after kernel update [message #14099]

Thu, 14 June 2007 17:28

miroslawgon
Messages: 16
Registered: April 2006

Junior Member

host system: CentOS 4.4
old kernel: 2.6.8-022stab076-smp
current kernel: 2.6.9-023stab043

kernels are build from sources - official openvz config is loaded and then changed in menuconfig.

The problem:
For a long time I was using 2.6.8 kernel but yesterday I updated kernel to 2.6.9-023stab043. After update I can't change password for users inside one all my CentOS 4.4 vps`es (in Debian 3 and 4 vps'es everything works fine and host system works fine also):

passwd user
New UNIX password:
Retype new UNIX password:
passwd: System error <----

I can't change to user using su command also:

su user (logged as root)
su: incorrect password

because of that FTP logins are not working anymore
users get invalid password. Looks like system is blocking any form of login in.

I also atteched strace of su and password

Everything works fine in 2.6.8 kernel, I have this problems when I use 2.6.9 kernel.

Does anybody had similar problem? Is it kernel problem or CentOS4 template problem?

I used CentOS4-minimal template from openvz site to set up vps'es. Also tried to create new CentOS4 vps but passwd and su doesn't work either.

Attachment: passwd.log
(Size: 31.18KB, Downloaded 226 times)
Attachment: su.log
(Size: 13.15KB, Downloaded 224 times)

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Re: CentOS 4 template problem after kernel update [message #14114 is a reply to message #14099]

Fri, 15 June 2007 06:14

Vasily Tarasov
Messages: 1345
Registered: January 2006

Senior Member

Hmm...

Are there failcounters in /proc/user_beancounters after unsuccessful attempt of su command?

Thank you,
Vasily.

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Re: CentOS 4 template problem after kernel update [message #14130 is a reply to message #14114]

Fri, 15 June 2007 10:01

miroslawgon
Messages: 16
Registered: April 2006

Junior Member

No failcnt are all 0

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Re: CentOS 4 template problem after kernel update [message #14138 is a reply to message #14130]

Fri, 15 June 2007 11:10

Vasily Tarasov
Messages: 1345
Registered: January 2006

Senior Member

Do you use official centos-4 template from openvz.org?
What is your architecture?

I'll try to reproduce it locally.

Thanks,
Vasily.

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Re: CentOS 4 template problem after kernel update [message #14140 is a reply to message #14138]

Fri, 15 June 2007 11:24

miroslawgon
Messages: 16
Registered: April 2006

Junior Member

Yes official CentOS 4 i386-minimal template form openvz.org
32bit CentOS host and 32bit CentOS template

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Re: CentOS 4 template problem after kernel update [message #14150 is a reply to message #14140]

Fri, 15 June 2007 12:55

Vasily Tarasov
Messages: 1345
Registered: January 2006

Senior Member

This is what I have done (VE - centos-4, HN - centos-4, arch x86)

HN# vzctl set 700 --userpasswd root:qwe
Starting VE ...
VE is mounted
VE start in progress...
Changing password for user root.
passwd: all authentication tokens updated successfully.
Stopping VE ...
VE was stopped
VE is unmounted
HN# vzctl enter 700
VE is not running
HN# vzctl start 700
Starting VE ...
VE is mounted
Setting CPU units: 1000
VE start in progress...
HN# vzctl enter 700
entered into VE 700
VE# su     
VE# exit
exit
VE# passwd root
Changing password for user root.
New UNIX password: 
Retype new UNIX password: 
passwd: all authentication tokens updated successfully.

So, for me it works. Can you give me an access to the node in question?

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