Are you able to run mosh-server by hand and connect to it? ("How do I run 
the mosh client and server separately?" on the FAQ, if you don't know how 
to do that.) These look like errors from dropbear.

--Quentin

On Mon, 21 Oct 2013, Dave Taht wrote:

> On Mon, Oct 21, 2013 at 2:27 PM, Alex Chernyakhovsky <achernya@mit.edu> wrote:
>> Do you have devpts mounted on /dev/pts?
>>
>> Sincerely,
>> -Alex
>>
>>
>> On Mon, Oct 21, 2013 at 5:21 PM, Dave Taht <dave.taht@gmail.com> wrote:
>>> I have a basically compiling mosh-server for openwrt in my
>>> ceropackages-3.3 repository for a while now,
>>> pulling from commit 45bba44c83d0b5f6da32327bbcbd2a42d22adbb2 for mosh.
>>>
>>> I'm still getting this error, and I'm puzzled as to what to point fingers at.
>>>
>>> Mon Oct 21 21:18:04 2013 authpriv.err dropbear[2995]:
>>> ioctl(TIOCSCTTY): Input/output error
>>> Mon Oct 21 21:18:04 2013 authpriv.err dropbear[2995]: /dev/pts/1: No
>>> such file or directory
>>> Mon Oct 21 21:18:04 2013 authpriv.err dropbear[2995]: open /dev/tty
>>> failed - could not set controlling tty: No such device or address
>>> Mon Oct 21 21:18:05 2013 authpriv.info dropbear[2994]: Exit (root):
>>> Disconnect received
>>>
>>>
>>> --
>>> Dave Täht
>>>
>>> Fixing bufferbloat with cerowrt: http://www.teklibre.com/cerowrt/subscribe.html
>>>
>>> _______________________________________________
>>> mosh-devel mailing list
>>> mosh-devel@mit.edu
>>> http://mailman.mit.edu/mailman/listinfo/mosh-devel
>
> yes:
>
> root@cerowrt:~# mount
> /dev/root on /rom type squashfs (ro,relatime)
> proc on /proc type proc (rw,noatime)
> sysfs on /sys type sysfs (rw,noatime)
> tmpfs on /tmp type tmpfs (rw,nosuid,nodev,noatime)
> /dev/mtdblock5 on /overlay type jffs2 (rw,noatime)
> overlayfs:/overlay on / type overlayfs (rw,noatime,lowerdir=/,upperdir=/overlay)
> tmpfs on /dev type tmpfs (rw,relatime,size=512k,mode=755)
> devpts on /dev/pts type devpts (rw,relatime,mode=600)
> debugfs on /sys/kernel/debug type debugfs (rw,noatime)
>
>
> -- 
> Dave Täht
>
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>