[Test] java hello world test failing with 1 thread in sgx-lkl nightly build

[hukoyu]

If this is not a supported scenario we can disable this test with ETHREADS=1 in nightly pipeline

Java hello-world test is failing in sgx-lkl (nightly) pipeline with ETHREADS=1
https://dev.azure.com/sgx-lkl/sgx-lkl/_build/results?buildId=1888&view=results

Here is the full log:
Standard_Console_Output - java-helloworld-1thread.log

[[  SGX-LKL ]] init_enclave_clock(): Setting enclave realtime clock
[[  SGX-LKL ]] wg0 has public key oJVhDt4cmSDLidIzdvXL1sxHSE8KsygiRx5/w6XOo04=
[    0.103207] virtio_blk virtio1: [vda] 819200 512-byte logical blocks (419 MB/400 MiB)
[[  SGX-LKL ]] lkl_mount_disk(): lkl_mount_disk(dev="/dev/vda", mnt="/mnt/vda", ro=0)
[    0.104389] EXT4-fs (vda): mounted filesystem without journal. Opts: 
[[  SGX-LKL ]] lkl_mount_disks(): Set working directory: /
OpenJDK 64-Bit Server VM warning: Can't detect primordial thread stack location - find_vma failed
Hello SGX world from Java!
[   SGX-LKL  ] Dumping thread stack traces from enclave (and aborting)...
Makefile:25: recipe for target 'run-hw' failed
[[  SGX-LKL ]] sgxlkl_debug_dump_stack_traces(): Dumping all stack traces from threads...
make: *** [run-hw] Terminated
[[  SGX-LKL ]] =============================================================
[[  SGX-LKL ]] Stack traces for all lthreads:
[[  SGX-LKL ]] -------------------------------------------------------------
[[  SGX-LKL ]] 1: tid=1 (7fe000b09160) [sgx-lkl-init] (READY) 
make run-hw: TIMED OUT after 300 secs
Test run completed with EXIT CODE 124
[[  SGX-LKL ]]     #0: 7fe0005b4d98 in __do_futex_sleep(...)
[[  SGX-LKL ]]     #1: 7fe0005b4e28 in futex_wait(...)
[[  SGX-LKL ]]     #2: 7fe0005b4fa8 in enclave_futex_timedwait(...)
[[  SGX-LKL ]]     #3: 7fe0005b4ff2 in enclave_futex_wait(...)
[[  SGX-LKL ]]     #4: 7fe0005d67f4 in sem_down(...)
[[  SGX-LKL ]]     #5: 7fe00008a8f3 in __switch_to(...)
[[  SGX-LKL ]]     #6: 7fe000414b5d in __schedule(...)
[[  SGX-LKL ]]     #7: 7fe000414d82 in schedule(...)
[[  SGX-LKL ]]     #8: 7fe0000d62d1 in futex_wait_queue_me(...)
[[  SGX-LKL ]]     #9: 7fe0000d7c79 in futex_wait(...)
[[  SGX-LKL ]]     #10: 7fe0000d8feb in do_futex(...)
[[  SGX-LKL ]]     #11: 7fe0000d97b5 in sys_futex(...)
[[  SGX-LKL ]]     #12: 7fe00008b6cf in lkl_syscall(...)
[[  SGX-LKL ]]     #13: 7fe00059749b in __filter_syscall4(...)
[[  SGX-LKL ]]     #14: 7fe0005975a5 in __timedwait_cp(...)
[[  SGX-LKL ]]     #15: 7fe00059aca0 in __pthread_timedjoin_np(...)
[[  SGX-LKL ]]     #16: 7fe00059ad59 in __pthread_join(...)
[[  SGX-LKL ]]     #17: 7fe03dcd6eee in <unknown>(...)
[[  SGX-LKL ]] -------------------------------------------------------------
[[  SGX-LKL ]] 2: tid=2 (7fe000b09330) [vio-0] (SLEEPING) 
[[  SGX-LKL ]]     #0: 7fe0005bfd5b in lthread_yield_and_sleep(...)
[[  SGX-LKL ]]     #1: 7fe0005ae4f4 in vio_wait_for_host_event(...)
[[  SGX-LKL ]]     #2: 7fe0005ae6c4 in vio_enclave_process_host_event(...)
[[  SGX-LKL ]]     #3: 7fe0005bebbe in _exec(...)
[[  SGX-LKL ]] -------------------------------------------------------------
[[  SGX-LKL ]] 3: tid=3 (7fe000b094e0) [vio-1] (SLEEPING) 
[[  SGX-LKL ]]     #0: 7fe0005bfd5b in lthread_yield_and_sleep(...)
[[  SGX-LKL ]]     #1: 7fe0005ae4f4 in vio_wait_for_host_event(...)
[[  SGX-LKL ]]     #2: 7fe0005ae6c4 in vio_enclave_process_host_event(...)
[[  SGX-LKL ]]     #3: 7fe0005bebbe in _exec(...)
[[  SGX-LKL ]] -------------------------------------------------------------
[[  SGX-LKL ]] 4: tid=4 (7fe000b09690) [vio-2] (SLEEPING) 

[paulcallen]

should create a p2 when this is disabled to reenable

[bodzhang]

#802 to re-enable ethreads=1 tests recommended as p2, shouldn't this issue also be P2?