i have good news: i managed to prevent the killing of PA on lucid with
an RT kernel. i did it by playing around with the
/etc/pulse/daemon.conf:

cpu-limit = no -> PA won't kill itself

rlimit-rttime = 10000000 -> increased the value by adding a zero (x10)
-> prevents the kernel from killing PA

i'm not sure how the last value is handled (describes the time a
application is allowed for full rt priority), because AFAIK a app
shouldn't be allowed to set it on it's own. but probably rtkit comes
into play here. from more details on my config see the attachment.

would be great if someone can confirm this fix, especially if it also
works on the stock RT kernel (2.6.31) that lacks a patch for rtkit.

** Changed in: pulseaudio (Ubuntu)
       Status: New => Confirmed

-- 
PulseAudio gets killed mysteriously on RT kernels
https://bugs.launchpad.net/bugs/367671
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