HP-UX 10.20 and VNC

[Louis-Pierre Gagnaux]

Hello

I'm in task of maintaining a medical legacy instrument system, which is able 
to measure hundreds of different parameters in blood, serum or urine, 
working on HP-UX 10.20, where we have an installed base of about 2500 
instruments.

We have a major problem concerning VNC 3.3.7 and HP-UX 10.20. The 
Screen-Sharing is working correctly, we are able to take over the screen 
from a remote-workstation. However the OS of HP-UX is working unstable, 
memory buffers are not correctly synchronized to disk, leading to 
unpredictable behavior which data is stored, when data is written to the 
database or to the disk.

As a simple test, when we shutdown the workstation after having used VNC, 
HP-UX 10.20 reports
"x buffers not flushed, x buffers still dirty"
meaning that HP-UX could not flush its buffers correctly to disk.

Does anybody know about this problem and does anybody know any workarounds?

We are using
- VNC 3.3.7., I have downloaded the source code and comipled it on HP-UX 
10.20 workstation B2600
- HP-UX 10.20 with latest patch level
- Workstation B2600

Kind Regards

Louis-Pierre Gagnaux

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