Herbert Poetzl wrote:
> On Fri, May 07, 2010 at 03:17:04PM +0300, Deniss wrote:
>> yeh, looks like the problem is in vprocunhide - when problem arise in
>> already open session to guest `ps` stop working
>
>> www ~ # ps -efH
>> Error, do this: mount -t proc proc /proc
>
>> when i enter to guset using 'vserver enter' the problem disappears -
>> proc is mounted and ssh working
>
> util-vserver version?
zavarka ~ # vserver-info
Versions:
Kernel: 2.6.32.12-vs2.3.0.36.29.4-vserver-intel
VS-API: 0x00020305
util-vserver: 0.30.216-pre2883; Apr 15 2010, 14:13:08
Features:
CC: i686-pc-linux-gnu-gcc, i686-pc-linux-gnu-gcc
(Gentoo 4.3.4 p1.0, pie-10.1.5) 4.3.4
CXX: i686-pc-linux-gnu-g++, i686-pc-linux-gnu-g++
(Gentoo 4.3.4 p1.0, pie-10.1.5) 4.3.4
CPPFLAGS: ''
CFLAGS: '-O2 -mtune=native -march=native -pipe
-fomit-frame-pointer -std=c99 -Wall -pedantic -W -funit-at-a-time'
CXXFLAGS: '-O2 -mtune=native -march=native -pipe
-fomit-frame-pointer -ansi -Wall -pedantic -W -fmessage-length=0
-funit-at-a-time'
build/host: i686-pc-linux-gnu/i686-pc-linux-gnu
Use dietlibc: yes
Build C++ programs: yes
Build C99 programs: yes
Available APIs: v13,net,v21,v22,v23,netv2
ext2fs Source: e2fsprogs
syscall(2) invocation: alternative
vserver(2) syscall#: 273/glibc
crypto api: beecrypt
python bindings: yes
use library versioning: yes
Paths:
prefix: /usr
sysconf-Directory: /etc
cfg-Directory: /etc/vservers
initrd-Directory: $(sysconfdir)/init.d
pkgstate-Directory: /var/run/vservers
vserver-Rootdir: /vservers
>
>> Deniss wrote:
>>> hello !
>
>>> i have a problem with devpts on 2.6.32.12-vs2.3.0.36.29.4:
>>> sometimes sshd stop allowing to log in with errors:
>
> does it happen on a more recent kernel/patch too?
I running
http://people.linux-vserver.org/~harry/patch-2.6.32.12-vs2.3.0.36.29.4-grsec2.1.14-20100503.diff
that is the latest one patch
Note that the problem happens after some time after guest start, and it
is enough to run "vprocunhide" again to fix it
>
> TIA,
> Herbert
>
>>> May 7 11:01:28 www sshd[1520]: fatal: openpty returns device for which
>>> ttyname fails.
>>> May 7 11:01:28 www sshd[1520]: error: chown 0 0 failed: No such file
>>> or directory
>>> May 7 11:01:28 www sshd[1520]: error: chmod 0666 failed: No such file
>>> or directory
>
>>> restarting sshd helps
>
>>> i think the problem may be in context leak between host and guest cos
>>> they share /dev/pts as i understand
>
>>> probably the solution may be to use "newinstance" feature of devpts but
>>> i cant manage to get it working.
Received on Mon May 17 15:36:36 2010