I saw a new kernel for FC6, so I did a quick install and test on my
x86_64 (SMP) box. With 2.6.19-1.2911.fc6 we have the following failures
in frysk-imports/tests

FAIL: frysk3491/x-state

According to http://sourceware.org/bugzilla/show_bug.cgi?id=3491:
"So the kernel test needs adjusting, and a lot more comments, and the
correspnding testTerm might need a re-think."

FAIL: frysk3595/detach-multi-thread

http://sourceware.org/bugzilla/show_bug.cgi?id=3595 says RESOLVED/FIXED,
but if it is then the fix never made it to the upstream Fedora kernel.

FAIL: frysk3997/ptrace_step_sig

Pushed upstream as
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=227693
which says:
Happens on vanilla 2.6.18.6 from kernel.org, too
Does not happen on 2.6.16.35
Since we confirmed it also on 2.6.19 this seems to be a long term regression.
Note that it might be less severe than it looks since this is only when
stepping through a SIGTRAP handler, but there are real programs that
install those themselves and don't like them being reset by a
ptrace-step (and it makes debugging a pain!)

There is also a spurious kernel message seen:

Message from syslogd@dijkstra at Thu Feb 15 11:00:39 2007 ...
dijkstra kernel: invalid opcode: 0000 [1] SMP 
PASS: process/single_exec