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OpenVMS ALPTTDR02_062 Alpha V6.- V6.2-1H3 YSDRIVER ECO Summary
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TITLE: OpenVMS ALPTTDR02_062 Alpha V6.- V6.2-1H3 YSDRIVER ECO Summary
NOTE: An OpenVMS saveset or PCSI installation file is stored
on the Internet in a self-expanding compressed file.
The name of the compressed file will be kit_name-dcx_vaxexe
for OpenVMS VAX or kit_name-dcx_axpexe for OpenVMS Alpha.
Once the file is copied to your system, it can be expanded
by typing RUN compressed_file. The resultant file will
be the OpenVMS saveset or PCSI installation file which
can be used to install the ECO.
Copyright (c) Compaq Corporation 1995, 1999. All rights reserved.
PRODUCT: OpenVMS Alpha
COMPONENT: YSDRIVER.EXE
SOURCE: Digital Equipment Corporation
ECO INFORMATION:
ECO Kit Name: ALPTTDR02_062
ECO Kits Superseded by This ECO Kit: ALPTTDR02_070
(for 6.2 - 6.2-1H3 *ONLY*)
ALPTTDR01_062
Blocks: 432 blocks
Kit Applies To: OpenVMS Alpha V6.2, V6.2-1H1, V6.2-1H2, 6.2-1H3
System/Cluster Reboot Necessary: Yes
Rolling Reboot Supported: Yes
Installation Rating: INSTALL_3
3 - To be installed on all systems running
the listed versions of OpenVMS which
are experiencing the problems described.
Kit Dependencies:
The following remedial kit(s) must be installed BEFORE
installation of this kit:
None.
In order to receive all the corrections listed in this
kit, the following remedial kits should also be installed:
None.
ECO KIT SUMMARY:
An ECO kit exists for YSDRIVER/TTDRIVER on OpenVMS Alpha V6.2 through
V6.2-1H3. This kit addresses the following problem:
Problems Addressed in ALPTTDR02_062:
o Two class driver-related problems occurred:
1. While in pasthru mode, loss of synchronization with the
class driver occurred during a high volume of single
character burst transmits.
The high volume of single character burst transmits
occurs, for example, when pasting to a DECterm window
that has been directed out to the serial port with a SET
HOST/DTE. Consequently, the transmit FIFO buffer would
overrun, resulting in the loss of data.
2. Error bits were not cleared before a character was passed
to the class driver.
When a receive error (eg. parity error, framing error) was
reported, the port driver (SYS$YSDRIVER) would fail to
clear error bits in the register containing the received
character before passing it to the class driver
(SYS$TTDRIVER). The result would be a bugcheck at various
points in the class driver.
o SYS$TTDRIVER %SYSTEM-F-BADESCAPE error
When the driver SYS$TTDRIVER performed a QIO read function, an
%SYSTEM-F-BADESCAPE exception occurred. This problem happened
when an EUC Hankaku Katakana code was input using the REFLECTION
terminal emulator via a LAT.
Problems Addressed in ALPTTDR02_070 for OpenVMS V6.2:
o Due to a problem with the port-driver-specific flow control
logic, output will not stop until the end of an output burst
when XOFF is received.
Problems Addressed in ALPTTDR01_062:
o TTA0 baud rates below 600 (that is, 50, 75, 150, or 300) do
not work on the ALPHASERVER 2100.
This problem has been fixed in OpenVMS Alpha V7.0.
INSTALLATION NOTES:
The images in this kit will not take effect until the system is
rebooted. If there are other nodes in the VMScluster, they must
also be rebooted in order to make use of the new image(s).
If it is not possible or convenient to reboot the entire cluster at
this time, a rolling re-boot may be performed.
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Files on this server are as follows:
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»alpttdr02_062.README
»alpttdr02_062.CHKSUM
»alpttdr02_062.CVRLET_TXT
»alpttdr02_062.a-dcx_axpexe
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