Subject: Re: [vserver] problem with devpts
From: Deniss <dg@sad.lv>
Date: Fri, 07 May 2010 15:17:04 +0300

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

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:
> 
> 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.