Julian Wang

windows machine issue ... pending status will be ignored. merging ...

jenkins test sanity plinux,aix jdk22

paging space allocation is lazy on AIX, i.e. it is not allocated as the back-up of memory allocation, but rather at the point you need to page out because physical...

> in almost all cases, the TestCipherMode test process is picked and killed, while no other test is affected. no, it didn't sound like that. the machine was even rendered...

jenkins test sanity all jdk21

windows machine issue ... pending status will be ignored. merging ...

@rmnattas could you take this up?

@tajila @dmitripivkine see the virtual-thread's stack back trace above: there is no interpreter frame at all ... every frame is with JIT-ed code. @rmnattas i am wondering if there were...

we indeed can see `walkContinuationStackFrames` is being used by GC above in https://github.com/eclipse-openj9/openj9/issues/19249#issuecomment-2403146687 as below: ``` 0x090000001a2ef578 {libj9vm29.so}{invalidJITReturnAddress} [0x10024003c00] 0x090000001ac7cd64 {libj9jit29.so}{jitWalkStackFrames} [0x10024003c70] 0x090000001a2ed058 {libj9vm29.so}{walkStackFrames} [0x10024003d00] 0x090000001a392a8c {libj9vm29.so}{walkContinuationStackFrames} [0x10024003df0] 0x090000001c8b8f9c {libj9gc_full29.so}{_ZN28GC_VMThreadStackSlotIterator21scanContinuationSlotsEP10J9VMThreadP8J9ObjectPvPFvP8J9JavaVMPS3_S4_P16J9StackWalkStatePKvEbb}...

@TobiAjila one thing we noticed early. the faked J9VMThread is not 256 aligned as below: `struct J9VMThread* walkThread = 0x0000010024003ec0` however, all low-order 8 bits have other meanings for locking...