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RE: Remotely run GUI shows up incorrectly on Cygwin 1.7.1
- From: "Denham Robert" <Robert dot Denham at derm dot qld dot gov dot au>
- To: "Dan Sandberg" <dan dot sandberg dot lists at gmail dot com>, <cygwin at cygwin dot com>
- Date: Fri, 19 Mar 2010 10:23:08 +1000
- Subject: RE: Remotely run GUI shows up incorrectly on Cygwin 1.7.1
- References: <4B9FA415.7010302@gmail.com>
> Hi,
>
> I recently upgraded a computer running XP Embedded to Cygwin 1.7.1.
> When I ssh from another computer, and run a graphical program (such as
> the calculator included in Win XP), it doesn't display correctly.
>
> If I run the program from a local ssh shell, it does display
correctly.
> Here's a picture which shows both a locally run instance (bottom left)
> and a remotely run instance (top right).
> ...
> Anyone have any ideas? Perhaps a bug in the latest Cygwin?
I had a problem running a fullscreen X session using ssh under cygwin
1.7. At the time I did a search and found this message to the list:
> -----Original Message-----
> From: Carl Flippin [mailto:carlf@photocarl.org]
> Sent: Saturday, 28 November 2009 12:44 PM
> To: cygwin@cygwin.com
> Subject: OpenSSH tunnel hanging
>
> I am having a problem with my ssh tunnel hanging when anything higher
bandwith (e.g. YouTube) goes over it. I am
> starting my tunnel as
> follows:
>
> ssh -D7070 user@my.host.name.com
>
> This is being run in urxvt on Xorg running under cygwin 1.7 on Windows
XP. The problem can be reliably recreated.
> I start up my tunnel as described. I run firefox configured for SOCKS
proxy at port 7070. If I surf normal text
> based web pages, everything is fine. If I go to a site like youtube,
video hangs about 3 seconds in. At the same
> time, my shell session will hang. If I close the youtube page,
everything returns to normal within about 10
> seconds. If I leave the page up, it will hang indefinitely.
>
> I can do the same thing with a tunnel from PuTTY and everything works
fine. This seems to be limited to cygwin's
> openssh. It also does not seem to be a simple bandwidth issue. I can
use scp to copy files from the same box at
> 2MB/s without issue. It seems to be only data going over the tunnel
that hangs things up.
>
> I have checked the FAQ and did not see anything similar. I also see
nothing like it in the mailing list archive. I
> am happy to be corrected if I have missed something.
>
> cygcheck is attached
>
> Thanks for any help you can offer.
>
I found that I could only run fullscreen if I set the depth to something
small, but it then looked terrible. I downgraded back to 1.5 and haven't
had any problems. So I'm thinking there might be a bug in ssh. Maybe
this is related?
Robert
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