I have not run into these problems with the -rt series yet... Though I
had other issues. I'd recommend doing a full
oldconfig/menconfig/xconfig configuration of the kernel (using your
2.6.15 config as template), as some times I've run into some problems
where configurations don't "scale" up all that well, and I end up
doing a whole kernel anyway... Oddly enough this has been the case for
odd numbers rather than pair ones (go figure), however I'm using
Fedora and I can't say about Debian's udev version. I have had no
problems with Fedora's udev and many -rt kernels I've tried (plus the
PAM "hack" for pam >= 0.99.x)
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