sshd problem with recent snapshots

Christopher Faylor
Mon Nov 15 16:40:00 GMT 2010

On Mon, Nov 15, 2010 at 11:18:57AM -0500, Ken Brown wrote:
>On 11/15/2010 11:09 AM, Corinna Vinschen wrote:
>> On Nov 13 10:00, Ken Brown wrote:
>>> On 11/5/2010 8:03 AM, Ken Brown wrote:
>>>> If I start sshd on a machine running a recent snapshot, I'm unable to
>>>> login to that machine via ssh.  The connection is closed right after I
>>>> type my password.  The problem first appears in the snapshot of
>>>> 20100917.  To reproduce:
>>>> 1. Start sshd.
>>>> 2. While logged in as one user, try to login as another user.  For example:
>>>> $ ssh kbrown-admin@localhost
>>>> kbrown-admin@localhost's password:
>>>> Connection to localhost closed by remote host.
>>>> Connection to localhost closed.
>>>> The same thing happens if I try to ssh in from a different machine on
>>>> the network.
>>> Further information:  There are two entries in the Windows Event
>>> Viewer (Application Log) after the failed login:
>>> sshd: PID 2264: Accepted password for kbrown-admin from ::1 port 1025 ssh2.
>>> sshd: PID 2264: fatal: chmod(/dev/tty1, 0622) failed: Permission denied.
>> Hmm, that's weird.  I'm using the latest Cygwin from CVS, and I cannot
>> reproduce this.  I tried to login from a remote machine with pubkey and
>> password authentication using an admin account as well as a normal user
>> account.  Works fine for me in all these cases.
>> I can't quite believe it, but maybe that's OS related.  I'm running my
>> tests on W7 in the first place.  What OS are you using?
>XP SP3.

FWIW, I couldn't duplicate this on XP SP3 but my ssh installation was a
little nonstandard.  I ended up breaking ssh entirely over the weekend
so I'm looking for a random helpful blog to help me diagnose the

But, seriously, I'll check this as soon as I get things back to a running


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