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Date: Wed, 09 Feb 2011 17:27:21 -0500
From: Gerry Reno <greno AT verizon DOT net>
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To: cygwin AT cygwin DOT com
Subject: Re: 1.7.7:  after upgrade lost ability to login via ssh
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On 02/09/2011 05:07 PM, Gerry Reno wrote:
> On 02/09/2011 04:56 PM, Gerry Reno wrote:
>   
>> On 02/08/2011 11:07 PM, Larry Hall (Cygwin) wrote:
>>   
>>     
>>> On 2/8/2011 9:14 PM, Gerry Reno wrote:
>>>     
>>>       
>>>> Something else I just discovered after upgrading to 1.7.7 is that I now
>>>> have lost the ability to login via ssh.
>>>>
>>>> I have OpenSSH installed and running sshd as a service.  Both password
>>>> and keys accepted.  But now neither means will work.
>>>>
>>>>      # ssh -i keypair1.pem   Administrator AT MACHINE_IP
>>>>      Last login: Fri Feb  4 17:19:26 2011 from LOCAL_CLIENT_MACHINE
>>>>      Connection to MACHINE_IP closed.
>>>>
>>>>
>>>> So I increased verbosity but did not see anything obvious.
>>>>
>>>>
>>>>      # ssh -v -i keypair1.pem   Administrator AT MACHINE_IP
>>>>      OpenSSH_5.2p1, OpenSSL 0.9.8k-fips 25 Mar 2009
>>>>      debug1: Reading configuration data /etc/ssh/ssh_config
>>>>      debug1: Applying options for *
>>>>      debug1: Connecting to MACHINE_IP [MACHINE_IP] port 22.
>>>>      debug1: Connection established.
>>>>      debug1: permanently_set_uid: 0/0
>>>>      debug1: identity file keypair1.pem type -1
>>>>      debug1: Remote protocol version 2.0, remote software version
>>>> OpenSSH_5.8
>>>>       
>>>>         
>>> Does reverting OpenSSH to 5.7 make a difference?
>>>
>>>     
>>>       
>> Downgraded to 5.7:
>>
>>     bash-4.1$ sshd --version
>>     sshd: unknown option -- -
>>     OpenSSH_5.7p1, OpenSSL 0.9.8r 8 Feb 2011
>>
>>
>> >From client:
>>
>>     ssh -i keypair1.pem   Administrator AT MACHINE_IP
>>     Last login: Wed Feb  9 12:54:08 2011 from LOCAL_CLIENT_IP
>>     Connection to MACHINE_IP closed.
>>
>>
>> Nope.  Still have the same problem.  Connection is made but immediately
>> closes.
>>
>>
>>   
>>     
> I'm suspecting this is related to running Cygwin 1.7.
>
> In looking back though some notes I started having bash shell problems
> after upgrading from 1.5 to 1.7. 
>
> Now on 1.7 if I try to run bash as a login shell it just gets "Bad
> address" or segfault errors and immediately exits the shell which also
> probably affects 'ssh'.
>
> I don't remember having any bash problems when I was running Cygwin 1.5
> on this machine.  My notes reflect screen copies showing bash able to
> run as a login shell without any problem.
>
>
>   
And I did test with today's release of Bash 4.1.9-3 and nothing
improved, same "Bad address" and segfault errors:

    bash-4.1$ bash --version
    GNU bash, version 4.1.9(3)-release (i686-pc-cygwin)



Regards,
Gerry



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