Mail Archives: cygwin/2004/09/22/11:28:48
Hi All...
I have a testcase. It uses unison-2.9.1.exe available from
http://www.cis.upenn.edu/~bcpierce/home.html
(from here go to unison, downloads, current stable version, and select
unison.win32-gtkui.exe)
On a machine with XP, SP2, this test hangs and with XP or 2000 it executes
to completion.
The recipie is as follows (assuming you have openssh client and server set
up):
download unison
rename the executable to unison.exe and place it somewhere on your PATH.
in a cmd (not bash) shell type
unison C:/ ssh://localhost/C:/ -testserver -rshargs "-v -v -v"
thats it. Unison will use the ssh client to run a copy of itself and talk to
it for the test. This does not work from a bash shell...never has. But...you
can run it from strace cmd inside a bash shell to get strace output. Up
until XP SP2 and the latest cygwin, I have been using it this way for years
without a hitch.
On XP SP2 the results are 100% repeatable. It hangs in the same place every
time.
I have run sshd in debug mode and found nothing unusual there.
It appears to be a client problem. An XP SP2 server is fine, but the XP SP2
client (with the latest cygwin1.dll or snapshots I tried) hangs.
Thanks,
...Karl
>From: "Karl M" <karlm30 AT hotmail DOT com>
>To: cygwin AT cygwin DOT com
>Subject: Re: Latest snapshot with XP SP2 and unison and cvs
>Date: Mon, 20 Sep 2004 15:31:23 -0700
>
>Hi All...
>
>What can I do that would be usefull? I'm not sure how to tell where things
>are hanging, because unison-2.9.1 is a win32 program that invokes a cygwin
>ssh client.
>
>I did confirm that it is a ssh client side issue. That is, an XP SP2
>machine is fine as the server, but not as the client.
>
>If I turn on the -v -v -v in ssh, the last thing I get is from a
>channel_input_window_adjust call.
>
>
>>From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
>>Reply-To: cygwin AT cygwin DOT com
>>To: cygwin AT cygwin DOT com
>>Subject: Re: Latest snapshot with XP SP2 and unison and cvs
>>Date: Mon, 20 Sep 2004 11:20:14 +0200
>>
>>On Sep 18 12:23, Karl M wrote:
>> > Hi All...
>> >
>> > I just updated an xp machine to sp2 and unison-2.9.1 (the win32
>>version)
>> > using ssh (cygwin) started hanging. I have done a clean install of
>>cygwin
>> > and am running with the 16sep snapshot. cvs (cygwin) works fine with
>>ssh.
>> > unison hangs with ssh.
>> >
>> > Because win32 unison will not run under bash, I opened a cygwin bash
>> > window, did an strace of cmd
>> > and then ran unison. The strace is attached.
>> >
>> > Any thoughts?
>>
>>No. I don't see any change in Cygwin between 1.5.10 and 1.5.11 which
>>could result in a new behaviour on sockets. The strace is useless.
>>
>>
>>Corinna
>>
>>--
>>Corinna Vinschen Please, send mails regarding Cygwin to
>>Cygwin Project Co-Leader mailto:cygwin AT cygwin DOT com
>>Red Hat, Inc.
>>
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