Just tried and same problem "PTY allocation request failed on channel 0"<br><br>Cheers,<br>Olivier<br><br><div class="gmail_quote">On Tue, Mar 6, 2012 at 11:06 AM, Iliyan Stoyanov <span dir="ltr"><<a href="mailto:ilf@ilf.me">ilf@ilf.me</a>></span> wrote:<br>
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Hi Mauras,<br>
<br>
Do you by any chance have an fstab file in your container's /etc directory that is trying to mount devpts fs also. I had this issue a week ago with some of my SL6.2 containers on a fedora 16 host. After removing everything /dev/pts related from the fstab in the /etc directory of the containers, everything magically worked.<br>
<br>
BR,<br>
--ilf<div><div class="h5"><br>
<br>
On Tue, 2012-03-06 at 10:54 +0100, Mauras Olivier wrote:<br>
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Hello,<br>
<br>
I've finally successfully migrated my SMACK setup over SElinux to isolate my containers - Thanks to the folks on #selinux@freenode - on a Scientific Linux 6.2 host. (I may share my policy with some details if some of you are interested)<br>
So far so good, after loads of hits and misses almost everything works correctly.<br>
<br>
The only thing that is not, is the multiple devpts instances. It seems that when specifying "lxc.pts" option in the container config, ssh stops working while /dev/pts is correctly mounted _but_ is still showing pts devices from the host.<br>
There's no specific selinux avc denials, and ssh rejects the shell connection with that kind of errors found when /dev/pts is not correctly mounted:<br>
<br>
sshd[552]: error: ssh_selinux_setup_pty: security_compute_relabel: No such file or directory<br>
sshd[556]: error: ioctl(TIOCSCTTY): Operation not permitted<br>
sshd[556]: error: open /dev/tty failed - could not set controlling tty: No such device or address<br>
<br>
As you may guess /dev/tty is present and /dev/pts is correclty mounted as i can do: ssh root@container "ls -la /dev/pts"<br>
Only assigning the pts device for the shell doesn't...<br>
<br>
<br>
Have any of you also hit this problem? Did you find a solution?<br>
<br>
<br>
Regards,<br>
Olivier<br>
<br>
<br>
Ps: Using lxc 0.7.5
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