PROBLEM:  (UVO105384/QAR 52786)          (Patch ID: OSF405-400280)
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This patch fixes a kernel memory fault caused by the faa FDDI driver.
The panic was due to incomplete handling of an error condition by the
driver ("Timeout in command request").  The command request buffer was
freed, however the reference to it was not removed from the command
request list.  When this list was later accessed, the invalid memory
reference panic occurred.

A typical stack trace for the fault will look like this:

        cpu_ip_intr()
        _XentInt
        simple_lock_D
        faaintr
        faaintr_2
        _XentInt
        wanTimerSysTick
        softclock_scan
        hardclock

PROBLEM:  (CLD TKTB74726)    (Patch ID: OSF405-196)
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This patch fixes a kernel memory fault in faa_service_rcv_q() in the faa FDDI
driver.

PROBLEM:  (QAR 61998, QAR 53578)    (Patch ID: OSF405-361)
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This patch fixes a problem in which a system with a FutureBus+ FDDI adapter
experiences problems when a command issued to the adapter fails.

The problem is that the rsp_buf variable is uninitialized. If a command issued
to the adapter fails, the uninitialized variable can cause the system to
display an incomprehensible error message or experience a system error.