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.11.31Panic in ttin() with pci_mux1 driver and AD278A or AD279A
installed. The system might panic with the following stack trace:
• ttin+0x448
• ttpendin+0x1a0
• ttcontrol+0x150
• ttiocom+0x1fc
• asp_ioctl+0x12b0
• spec_ioctl+0x90
• vno_ioctl+0xc8
• ioctl+0xe0
• syscall+0x22c
• syscallinit+0x55c
QXCR1000573634
B.11.311131PQSOLR: hang or HPMC while pos-OLR AD279 mux car in
shared slot. A High Priority Machine Check (HPMC) or a system
hang occurs when executing the olrad and ioscan -fH
commands simultaneously on the pci_mux1(AD278A/AD279A)
installed hardware path. The stack trace is as follows:
• load_firmware+0x108 ()
• asp_poll+0x74 ()
• ttisr_daemon+0x190 ()
• kdaemon_proc_create+0x2c8 ()
• im_ttisr+0x34 ()
• DoCalllist+0xf0 ()
• main+0x28 ()
• $vstart+0x48 ()
• $locore+0x10c ()
QXCR1000574112
2.3 Defects fixed in previous releases for HP-UX11.23
Table 5 AD278A/AD279A PCI MUX fixes for HP-UX 11.23
Release VersionDefect DescriptionDefect ID
B.11.23.1202When pci_mux1 direct device is open, the CRTS flag
is reset on pci_mux1 even when pci_mux and asio0
do not reset CRTS.
QXCR1001184081
B.11.23.1202The pci_mux1 port hangs because of a lock mismatch.
This defect is fixed in the current release. Locks are
synchronized and a function is added to resolve the
lock mismatch error.
QXCR1001194100
B.11.23.1202The ch_callin and ch_callout variables display
negative values.
This defect is fixed in the current release. Modified the
code to ensure that the negative value error does not
occur for thech_callin and ch_callout variables.
QXCR1001194090
10 Known problems, workarounds, and limitations