Sun Alert 271519 (public Sun Alert) outlines possible negative impacts to probe-based IPMP (IP Multipathing) configurations after 141444-09 (Sparc) and 141445-09 (x86) kernel patch installation.
Full details are in the Sun Alert including:
* affected Solaris versions
* how to determine if your system is affected
* Symptoms, messages and snoop outputs for this problem
Sun does not recommend removing the offending patches and provides binary relief to contract customers via normal support channels.