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From: Chuck <skilover AT softhome DOT net>
Subject:  Re: cygwin.dll 1.5.13-1: hangs
Date:  Wed, 09 Mar 2005 15:15:58 -0500
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Andrew Schulman wrote:
>>In my case, this snapshot does not fix the problem. Now instead of
>>ssh-add hanging the first time it's run before prompting for the
>>passphrase, it now hangs *every* time after prompting for the
>>passphrase.
> 
> 
> I can confirm this.  I'm now running with cygwin1-20050308.dll-1.  All 
> invocations of ssh-add now hang.  Here's a snippet of strace output from 
> the first invocation after a reboot:
> 
>   184   47362 [main] ssh-add 2980 fhandler_socket::signal_secret_event: 
> signaled secret_event
> 36925366 36972728 [unknown (0xC24)] ssh-add 2980 _cygtls::remove: wait 
> 0xFFFFFFFF
> 
> where I interrupted after 36 seconds.  This is the same as with version 
> 1.5.13.  But after I interrupt and then rerun, it hangs in a different 
> place:
> 
>   179   45744 [main] ssh-add 3168 fhandler_socket::signal_secret_event: 
> signaled secret_event
>   277   46021 [main] ssh-add 3168 fhandler_socket::connect: Received eid 
> credentials: pid: 2868, uid: 1008, gid: 513
> <snip>
>    38   95525 [main] ssh-add 3168 readv: readv (3, 0x22E440, 1) 
> blocking, sigcatchers 0
>    33   95558 [main] ssh-add 3168 readv: no need to call ready_for_read
> 28241644 28337202 [unknown (0xCEC)] ssh-add 3168 _cygtls::remove: wait 
> 0xFFFFFFFF
> 
> where again I interrupted after 28 seconds.  Full output of cygcheck -
> svr and 1st and 2nd invocations of 'strace ssh-add $key1 $key2 $key3' 
> are at
> 
> http://home.comcast.net/~andrex/cygwin/cygcheck-svr.txt
> http://home.comcast.net/~andrex/cygwin/ssh-add-strace1.txt
> http://home.comcast.net/~andrex/cygwin/ssh-add-strace2.txt
> 
> cygcheck -svr is the same as before, except for the version of 
> cygwin1.dll.
> 
> Note that I'm no longer running ssh-add as part of my bash startup 
> scripts.  I've suppressed that, and am now running a simple 'ssh-add 
> $key1 $key2 $key3' from the shell prompt.  The result is the same.
> 
> 
>>Plus, if I try to kill ssh-agent with "eval `ssh-agent -k`",
>>that hangs too. Nothing will kill the agent. Not even  kill -9.
> 
> 
> I can't confirm this.  It works fine for me.
> 
> Just to add to the fun though, I also find that one of my otherwise 
> long-standing stable apps, autossh, now crashes within five minutes of 
> boot every time, with 1.5.13 or later.  I'll document this ASAP and 
> submit it under a different thread.
> 
> 
> 

Out of curiosity, do you run your shell in an xterm window? If I run
from the command line it works fine, but in an xterm window it hangs.


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