The test works very slow on solaris-sparc.
The test:
runtime/6925573/SortMethodsTest.java
The test fails intermittently due to time estimation:

    ...
    // The following is just vague estimation but seems to work on current x86_64 and sparcv9 machines
    if (lastRatio > 80) {
      throw new RuntimeException("ATTENTION: it seems that class loading needs quadratic time with regard to the number of class methods!!!");
    }
    ...

There were 4 failures and one timeout in JDK7 b99 G1 promotion testing:

http://vmsqe.russia.sun.com/execution/results/JDK7/PROMOTION/VM/b99/G1/new_unknown_failures.html