topic Re: Telnet session hangs, when I open vi or output is large in Operating System - HP-UX

Telnet session hangs, when I open vi or output is large

Ashly A K — Wed, 30 Jul 2008 05:36:37 GMT

hi,

We have a HP UX box. When i can connect to it using putty, from Windows. But, when i start vi or any command, with large put put(like tail, cat etc) the session hangs. At the same time, in some of the Windows boxes, it is working with out any issues! I compared the LAN card settings, putty settings etc in the client, all are same.

Could any one please help me to fix this ? I am totally lost!!!

Re: Telnet session hangs, when I open vi or output is large

Oviwan — Wed, 30 Jul 2008 05:59:32 GMT

hy

have you the same putty version and have you enabled the session logging in putty?

Regards

Re: Telnet session hangs, when I open vi or output is large

Sharma Sanjeev — Wed, 30 Jul 2008 07:11:38 GMT

Hi

Try this version

Re: Telnet session hangs, when I open vi or output is large

Ashly A K — Wed, 30 Jul 2008 07:45:57 GMT

Yes, putty versions are same.

Re: Telnet session hangs, when I open vi or output is large

Ashly A K — Wed, 30 Jul 2008 07:48:05 GMT

Hi Sanjay,

Tried the attached, but issue remains.

Re: Telnet session hangs, when I open vi or output is large

Anshumali — Wed, 30 Jul 2008 07:55:06 GMT

Putty settings are same, server is same, file is same, but the behavior is reproducible only from one Windows box!!
Afraid to say, the bottleneck is windows, reinstalling might fix issue. Use your due diligence. :)

Re: Telnet session hangs, when I open vi or output is large

Ashly A K — Wed, 30 Jul 2008 09:05:39 GMT

hi,

Not one windows boxes- out of 20 windows boxes, we have issues with most of them. compared the patches, versions etc..etc.. with all the boxes, all are same !!!

Re: Telnet session hangs, when I open vi or output is large

Masud Parvez — Wed, 30 Jul 2008 09:33:12 GMT

If in between windows servers and HPUX box there is firewall then try to avoid firewall and test it.

Re: Telnet session hangs, when I open vi or output is large

Ashly A K — Wed, 30 Jul 2008 09:37:31 GMT

Hi,

No firewalls!!!

More over, we are able to connect to the HP UX box, and able to execute commands. If the command output is large, the session hangs.

For example, if i say "cat abcd", and the abcd is small, it works. If the file abcd is large, the session hangs, in some of the systems.

Re: Telnet session hangs, when I open vi or output is large

Masud Parvez — Wed, 30 Jul 2008 09:46:49 GMT

Which one you are using ssh or telnet when using putty?

Re: Telnet session hangs, when I open vi or output is large

Sharma Sanjeev — Wed, 30 Jul 2008 10:13:33 GMT

Hi Ashly

Please try this

open putty session

window > Line to Scrollback > make it 200000

Regards
Sanjeev

Re: Telnet session hangs, when I open vi or output is large

Deepak Kr — Wed, 30 Jul 2008 10:39:07 GMT

Hi Ashly,

Try this also:

Open a telnet session to hp-ux box

run following

stty ixoff
/bin/X11/resize

cat file_name_you_want_to_open...

Re: Telnet session hangs, when I open vi or output is large

Torsten. — Wed, 30 Jul 2008 10:51:45 GMT

I would use

"pathping"

from the window box to ensure or check connectivity first.

Just type

"pathping"

for more options.

Re: Telnet session hangs, when I open vi or output is large

Ashly A K — Wed, 30 Jul 2008 10:58:41 GMT

Another possible suspect is, the HP UX and Windows boxes are in different sub-nets. But, some of the Win boxes in this sub net works and some doesn't works.

How can i narrow down, whether this is a network issue or a server issue or a client issue ?

I am totally lost!!

Re: Telnet session hangs, when I open vi or output is large

Anshumali — Wed, 30 Jul 2008 11:30:31 GMT

We can try following 2 things:

1. Re-IP the windows which is not working with the IP which is working.
2. Capture Ethreal at time of pasting and compare.

1st can be tried immediately.

Anshu

Re: Telnet session hangs, when I open vi or output is large

Ph. LAQUERRIERE — Wed, 30 Jul 2008 11:53:52 GMT

Could you see a lan configuration between your HP box and a switch, because in some case if your switch conf is in autoneg and your HP box too, you can have the problem.
you must force full duplex in all component, or in HP box.

Regards.

Re: Telnet session hangs, when I open vi or output is large

Anshumali — Wed, 30 Jul 2008 12:56:22 GMT

I wouldn't suggest touching HP box......... :)

Re: Telnet session hangs, when I open vi or output is large

Jov — Wed, 30 Jul 2008 15:18:54 GMT

Hi,

Repeat the same functions that causes the error, but without logging to eliminate this factor.

Jov

Re: Telnet session hangs, when I open vi or output is large

Mark Ellzey — Thu, 31 Jul 2008 14:53:52 GMT

Hi,

Check the usage of /tmp on the HP box. If you are trying to vi a large file, vi uses /tmp (or /var/tmp, I don't remember which) to create a temp file of what you are editing. If /tmp if full, or nearly so, vi will bomb. Ususally, though, it will tell you that it does't have enough space to open the file.

Just my 2cts.
Mark

Re: Telnet session hangs, when I open vi or output is large

Anshumali — Thu, 31 Jul 2008 15:03:51 GMT

Mark,

he mentioned, "At the same time, in some of the Windows boxes, it is working with out any issues!"

In this case, i dont see any thing on hp-ux as issue is not always reproducible from all Win boxes... :-)

Cheers!