Sun Microsystems SPARC Enterprise M8000 Product Notes page 58

Solaris OS Issues and Workarounds Fixed in Solaris 10 10/08 (3 of 3)
TABLE 3-5
CR ID Description
6720261 If your domain is running Solaris 10 5/08 OS,
the system might panic/trap during normal
operation.
6679370 The following message may be output on the
console during system boot, addition of the
External I/O Expansion Unit using hotplug, or
an FMEMA operation by DR.
SUNW-MSG-ID: SUN4-8000-75, TYPE:
Fault, VER: 1, SEVERITY: Critical
...
DESC:
A problem was detected in the
PCIExpress subsystem.
Refer to http://sun.com/msg/SUN4-
8000-75 for more information.
...
46 Sun SPARC Enterprise M8000/M9000 Servers Product Notes for XCP 1091 • May 2010
Workaround
Set the following parameter in the system
specification file (/etc/system):
set heaplp_use_stlb=0
Then reboot the domain.
Add the following to /etc/system, then
reboot the domain.
set pcie_expected_ce_mask = 0x2001