HP PL Class 450/500/550/600/650/700/750 Instruction Manual

Release Notes
HP Visualize Linux Workstations
A6020-IE002 (Web only)
November 2000

2
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Chapter 5
Before You Install
Before You Install
This HP Visualize Linux Workstation release contains some documented
Known Problems that are described in this document. These Known
Problems are currently being resolved by the HP Factory or have
workarounds the customer can implement until the problem is solved at
the next system update release.
Documentation
See the following documents for information on the HP Visualize Linux
Workstation (November 2000) release:
•Getting Started Guide: HP Visualize Linux Workstation Graphics
which is found at
http://www.hp.com/workstations/support/documentation/
linux_manuals.html
• Known problems for this release are documented in the Release
Notes.... (this document).
• The HP Visualize Linux Workstation User’s Guide (HP Part No.
A6020-90002) came with your system and gives complete hardcopy
instructions on how to install this release.
•HP Visualize Linux Workstation Graphics Administration
Guide.This document is found at
http://www.hp.com/workstations/support/documentation/
linux_manuals.html
To view all the latest HP Linux user documentation, visit:
http://docs.hp.com.

6Chapter
Known Problems
Known Problems
The following are Known Problems only for this HP Visualize Linux
Workstation (November 2000) release.
1. Symptom: SIGSTOP of graphics applications can freeze system.
Cause: Putting graphics applications into the background using
SIGSTOP can freeze the graphics.
Action: There is no workaround at this time. Update your system to
the next software release as soon as it is available.
2. Symptom: X11 hang on restart.
Cause: Restarting X after starting amd services hangs the X server.
Action: Start amd before starting the X server.
3. Symptom: FX kernel module hangs in system with more than 3 Gbytes.
Cause: Installing the hpgfx kernel module with more than 3 Gbytes
of memory hangs the module.
Action: Install FX graphics only in systems with 3GB of memory or
less.
4. Symptom: HPX server extensions differ from XFree86.
Cause: The XFree86-Misc extensions are not implemented by the HP
X server.
Action: There is no workaround at this time. Update your system to
the next software release as soon as it is available.
5. Symptom: Console hangs while logging out.
Cause: Under certain situations, a user logging out of a KDE session
may experience a hang while KDE attempts to notify running
applications (e.g., running two or more Netscape browsers at exit can
cause this).
Action: If all else fails, a workaround for getting past the X server
select for this hang is issuing the command
<ctrl><alt><backspace>.