Loading checkpoint: checkpoints/needle.pkl
Failed to find host bounds for accelerator type: WARNING: could not determine TPU accelerator type, please set env var `TPU_ACCELERATOR_TYPE` manually, otherwise libtpu.so may not properly initialize.
WARNING: Logging before InitGoogle() is written to STDERR
E0000 00:00:1778617309.503639     568 common_lib.cc:518] INVALID_ARGUMENT: Error: unexpected worker hostname 'WARNING: could not determine TPU worker hostnames or IP addresses' from env var TPU_WORKER_HOSTNAMES. Expecting a valid hostname or IP address without port number, or hostname:port:address triple. (Full TPU workers' addr string: WARNING: could not determine TPU worker hostnames or IP addresses, please set env var `TPU_WORKER_HOSTNAMES` manually, otherwise libtpu.so may not properly initialize.)
=== Source Location Trace: ===
learning/45eac/tfrc/runtime/libtpu_init_utils.cc:311
https://symbolize.stripped_domain/r/?trace=7d3d2df5550b,7d3e564298ef,7d3d2df5415c,7d3d2e5404d5,7d3e564831b8,7d3e5650821b&map=
*** SIGSEGV (@0x79f), si_code=1, see go/stacktraces#s15 received by PID 568 (TID 630) on cpu 8; stack trace: ***
https://symbolize.stripped_domain/r/?trace=7d3d2df50140,7d3e564298ef,7d3d2df4f857,7d3d2e5404d5,7d3e564831b8,7d3e5650821b&map=
E0512 21:21:49.529129     628 process_state.cc:1066] RAW: Signal 11 raised at PC: 0x7d3d2df50140 while already in FailureSignalHandler!
E0512 21:21:49.529727     628 process_state.cc:1070] RAW: tid: 628 raised new signal (old_tid: 630)
PC: @     0x7d3d2df5550b  (unknown)  eventmanager::EventManager2::Worker::Run<>()
    @     0x7d3d2e6b7d83       1888  FailureSignalHandler()
    @     0x7d3e564298f0  (unknown)  (unknown)
    @     0x7d3d2df5415d         80  absl::internal_any_invocable::LocalInvoker<>()
    @     0x7d3d2e5404d6        256  Thread::ThreadBody()
    @     0x7d3e564831b9        288  (unknown)
    @     0x7d3e5650821c  (unknown)  (unknown)
https://symbolize.stripped_domain/r/?trace=7d3d2df5550b,7d3d2e6b7d82,7d3e564298ef,7d3d2df5415c,7d3d2e5404d5,7d3e564831b8,7d3e5650821b&map=
E0512 21:21:49.617725     630 coredump_hook.cc:310] RAW: Remote crash data gathering hook invoked.
E0512 21:21:49.617737     630 client.cc:261] RAW: Coroner client retries enabled, will retry for up to 30 sec.
E0512 21:21:49.617739     630 coredump_hook.cc:405] RAW: Sending fingerprint to remote end.
E0512 21:21:49.617758     630 coredump_hook.cc:415] RAW: Cannot send fingerprint to Coroner: [NOT_FOUND] stat failed on crash reporting socket /var/google/services/logmanagerd/remote_coredump.socket (Is the listener running?): No such file or directory
E0512 21:21:49.617761     630 coredump_hook.cc:467] RAW: Dumping core locally.
base/elfcore.c:2139 Failed to write mapping 2 at 0x7d3ca48a6000 of size 16384: Bad address(14)
Model parameters: 26,315,421
Needle UI: http://127.0.0.1:7860
Segmentation fault         needle playground