Hi Chris, Per, Shenandoah has the same problem, for the same reasons. And I'm not convinced that G1 is safe either, at least with -XX:+ClassUnloadingWithConcurrentMark.
In my opinion, this whole code section needs to be rewritten to use something like CollectedHeap::object_iterate() (which is used by other similar external code like JVMTI for heapdumping/walking). Simply assuming a certain object layout is not very sustainable IMO. Roman > Hi Per, > > I think there may have been some discussion about this before. Are there > plans to eventually get SA heap walking support for ZGC, and is the list > of disabled tests being maintained somewhere? > > thanks, > > Chris > > On 11/29/18 7:07 AM, Per Liden wrote: >> There's no support for SA heap walking when using ZGC. Hence the tests >> for this should not execute when ZGC is enabled. >> >> Bug: https://bugs.openjdk.java.net/browse/JDK-8214484 >> Webrev: http://cr.openjdk.java.net/~pliden/8214484/webrev.0 >> >> /Per > >
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