HP AD278A and AD279A PCI Multiplexer Release Notes HP-UX 11iv2 and HP-UX 11iv3 (5900-3161, July 2013)

Table 4 AD278A/AD279A PCI MUX fixes for HP-UX 11.31 (continued)
Release versionDefect DescriptionDefect ID
B.11.31.0909Executing pmux_stty without any parameters must display help.
Modified the pmux_stty(1) command to display help for all the
supported operations when it is executed with out any parameters.
QXCR1000923135
B.11.31.0909The pmux_stty(1) command reports the status of unsupported
driver options.
pmux_stty -a reports the status of unsupported options indicated
as follows:
$ pmux_stty -a /dev/tty2a8 onstr \033[5i offstr
\033[4i term ansi maxcps 100 maxchar 50 bufsize
100 -forcedcd -fastcook -altpin -fastbaud (4800)
-printer eia232 -rtspace -dtrpace -ctspace
-dsrpace -dcdpace DTR- RTS- CTS- CDDSR- RI- startc
= 0x11 stopc = 0x13 -aixon astartc = 0x0 astopc
= 0x0 [...]
None of these options are supported or documented in the
HP-UXpci_mux1 driver.
Modified pmux_stty(1) to display only supported options as
following:
$ pmux_stty -a
/dev/tty2a8 +ixon +ixany +xon
QXCR1000775017
B.11.31.0809Diagnostic utility for AD278A/AD279A does not support all
functionalities.
In the previous releases, the pmux_diag utility did not support the
following functionalities:
• Topology
• Counters
• Breakout box
• Data scope
• Register dump
• Send
The current release supports these functionalities.
QXCR1000588957
B.11.31.0809PQS11.23 PCI EH: OLA hang is seen with AD279(mux) card.
An OLA operation on a PCIMUX card might lead to a system hang.
QXCR1000775029
B.11.31.0809pci_mux1 read() routine returns with error set to EAGAIN instead
of zero.
The pci_mux1 driver read() function returns an unexpected value
if the pci_mux1 port is opened in the O_NDELAY (NO DELAY)
mode.
QXCR1000588954
B.11.31.0809write() fails with EIO over pci_mux1 dialout device.
When some applications invoke a write() call to the pci_mux1
driver, the call fails with an EIO error under certain conditions.
QXCR1000582763
B.11.31.0809pmux_diag and pmux_stty loopback test fail even if the port is
working.
The loopback test onapci_mux1 port with a loopback hood
connected to it, fails occasionally even if the port is working fine.
QXCR1000588949
2.2 Defects fixed in previous releases for HP-UX 11.31 9