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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2022/11/03 15:52:55 UTC

[GitHub] [arrow] paleolimbot opened a new pull request, #14582: ARROW-18240: [R] head() is crashing on some nightly builds

paleolimbot opened a new pull request, #14582:
URL: https://github.com/apache/arrow/pull/14582

   Trying to address these two failures:
   
   - https://github.com/ursacomputing/crossbow/actions/runs/3368026889/jobs/5586109693#step:10:3813
   - https://github.com/ursacomputing/crossbow/actions/runs/3368024633/jobs/5586105172#step:9:3813
   


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[GitHub] [arrow] github-actions[bot] commented on pull request #14582: ARROW-18240: [R] head() is crashing on some nightly builds

Posted by GitBox <gi...@apache.org>.
github-actions[bot] commented on PR #14582:
URL: https://github.com/apache/arrow/pull/14582#issuecomment-1302401829

   :warning: Ticket **has not been started in JIRA**, please click 'Start Progress'.


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[GitHub] [arrow] ursabot commented on pull request #14582: ARROW-18240: [R] head() is crashing on some nightly builds

Posted by GitBox <gi...@apache.org>.
ursabot commented on PR #14582:
URL: https://github.com/apache/arrow/pull/14582#issuecomment-1369333134

   Benchmark runs are scheduled for baseline = 1aa8f3554781de81630f3a334e146a73177a2fa3 and contender = b1a48c78a318402daab1d0f974825373ef41b293. b1a48c78a318402daab1d0f974825373ef41b293 is a master commit associated with this PR. Results will be available as each benchmark for each run completes.
   Conbench compare runs links:
   [Finished :arrow_down:0.0% :arrow_up:0.0%] [ec2-t3-xlarge-us-east-2](https://conbench.ursa.dev/compare/runs/56887a60180a4749b5b330a04997ce72...26b6e1d678b34dd6ab9995d2f63012e6/)
   [Failed :arrow_down:1.11% :arrow_up:2.78%] [test-mac-arm](https://conbench.ursa.dev/compare/runs/4806964f08424420acefb714c89e11de...7a03a0b165f4461f832861000e56487f/)
   [Finished :arrow_down:0.26% :arrow_up:0.51%] [ursa-i9-9960x](https://conbench.ursa.dev/compare/runs/def9db1cb47049e4806cfc849fc2b95a...fcc684be63644b69b4272bc811d752a3/)
   [Failed :arrow_down:5.71% :arrow_up:0.0%] [ursa-thinkcentre-m75q](https://conbench.ursa.dev/compare/runs/4986d1d38baa477fa7be34b4cbbcf6f4...7f74fdde1b4645b3a1bc458660366881/)
   Buildkite builds:
   [Finished] [`b1a48c78` ec2-t3-xlarge-us-east-2](https://buildkite.com/apache-arrow/arrow-bci-benchmark-on-ec2-t3-xlarge-us-east-2/builds/2096)
   [Failed] [`b1a48c78` test-mac-arm](https://buildkite.com/apache-arrow/arrow-bci-benchmark-on-test-mac-arm/builds/2118)
   [Finished] [`b1a48c78` ursa-i9-9960x](https://buildkite.com/apache-arrow/arrow-bci-benchmark-on-ursa-i9-9960x/builds/2090)
   [Failed] [`b1a48c78` ursa-thinkcentre-m75q](https://buildkite.com/apache-arrow/arrow-bci-benchmark-on-ursa-thinkcentre-m75q/builds/2110)
   [Finished] [`1aa8f355` ec2-t3-xlarge-us-east-2](https://buildkite.com/apache-arrow/arrow-bci-benchmark-on-ec2-t3-xlarge-us-east-2/builds/2095)
   [Failed] [`1aa8f355` test-mac-arm](https://buildkite.com/apache-arrow/arrow-bci-benchmark-on-test-mac-arm/builds/2117)
   [Finished] [`1aa8f355` ursa-i9-9960x](https://buildkite.com/apache-arrow/arrow-bci-benchmark-on-ursa-i9-9960x/builds/2089)
   [Failed] [`1aa8f355` ursa-thinkcentre-m75q](https://buildkite.com/apache-arrow/arrow-bci-benchmark-on-ursa-thinkcentre-m75q/builds/2109)
   Supported benchmarks:
   ec2-t3-xlarge-us-east-2: Supported benchmark langs: Python, R. Runs only benchmarks with cloud = True
   test-mac-arm: Supported benchmark langs: C++, Python, R
   ursa-i9-9960x: Supported benchmark langs: Python, R, JavaScript
   ursa-thinkcentre-m75q: Supported benchmark langs: C++, Java
   


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[GitHub] [arrow] paleolimbot commented on pull request #14582: ARROW-18240: [R] head() is crashing on some nightly builds

Posted by GitBox <gi...@apache.org>.
paleolimbot commented on PR #14582:
URL: https://github.com/apache/arrow/pull/14582#issuecomment-1327838646

   I updated the JIRA too, but the problem here is I think that the MacOS runners have 1 CPU. I can reproduce on Linux and Mac by doing `set_cpu_count(1)`:
   
   ```r
   library(arrow, warn.conflicts = FALSE)
   
   dataset_dir <- tempfile()
   write_dataset(mtcars, dataset_dir, )
   
   # change to set_cpu_count(1) to reproduce the deadlock
   set_cpu_count(2)
   
   open_dataset(dataset_dir) |> 
     dplyr::filter(mpg > 30) |> 
     head() |> 
     dplyr::collect()
   ```


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[GitHub] [arrow] paleolimbot commented on pull request #14582: ARROW-18240: [R] head() is crashing on some nightly builds

Posted by GitBox <gi...@apache.org>.
paleolimbot commented on PR #14582:
URL: https://github.com/apache/arrow/pull/14582#issuecomment-1327772442

   @github-actions crossbow submit homebrew-r-autobrew homebrew-r-brew


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[GitHub] [arrow] paleolimbot commented on pull request #14582: ARROW-18240: [R] head() is crashing on some nightly builds

Posted by GitBox <gi...@apache.org>.
paleolimbot commented on PR #14582:
URL: https://github.com/apache/arrow/pull/14582#issuecomment-1302499294

   @github-actions crossbow submit test-r-linux-valgrind homebrew-r-autobrew homebrew-r-brew


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[GitHub] [arrow] paleolimbot commented on pull request #14582: ARROW-18240: [R] head() is crashing on some nightly builds

Posted by GitBox <gi...@apache.org>.
paleolimbot commented on PR #14582:
URL: https://github.com/apache/arrow/pull/14582#issuecomment-1355173130

   A more detailed investigation of the threads present when the hang occurs.
   
   The first problem is that there is one more exec plan than I expect....I expected there to be one, but it seems like there are two.
   
   
   The R code. Run this from a terminal (not from RStudio). Conceptually I expect
   this to create one exec plan for `open_dataset() |> filter()`. The resulting
   `RecordBatchReader` will get read into a `Table`; no evaluation of the ExecPlan
   should occur before the `reader->ToTable();` call. That call should occur on
   a non main-R thread launched by `RunWithCapturedR()`. Currently that thread
   is borrowed from the IO thread pool.
   
   ```r
   library(arrow, warn.conflicts = FALSE)
   # Information you need to attach LLDB
   Sys.getpid()
   
   dataset_dir <- tempfile()
   write_dataset(mtcars, dataset_dir)
   
   # change to set_cpu_count(1) to reproduce the deadlock
   set_cpu_count(1)
   
   open_dataset(dataset_dir) |> 
     dplyr::filter(mpg > 30) |> 
     head() |> 
     dplyr::collect()
   ```
   
   This will hang. Attach LLDB in VSCode or a terminal.
   
   ## Thread 1
   
   The main R thread, waiting for SafeCallIntoR jobs to be submitted. This seems
   normal.
   
   <details>
   
   ```
   bt
   * thread #1, queue = 'com.apple.main-thread', stop reason = signal SIGSTOP
     * frame #0: 0x00000001a1cba5e4 libsystem_kernel.dylib`__psynch_cvwait + 8
       frame #1: 0x00000001a1cf6638 libsystem_pthread.dylib`_pthread_cond_wait + 1232
       frame #2: 0x00000001a1c43ac4 libc++.1.dylib`std::__1::condition_variable::wait(std::__1::unique_lock<std::__1::mutex>&) + 28
       frame #3: 0x0000000280806520 libarrow.1100.0.0.dylib`void std::__1::condition_variable::wait<arrow::internal::SerialExecutor::RunLoop()::$_0>(this=0x0000600000a88208, __lk=0x000000016afcece8, __pred=(0x000000016afced58))::$_0) at __mutex_base:404:9
       frame #4: 0x0000000280805b74 libarrow.1100.0.0.dylib`arrow::internal::SerialExecutor::RunLoop(this=0x000000016afced58) at thread_pool.cc:174:28
       frame #5: 0x000000010948a324 arrow.so`arrow::Future<std::__1::shared_ptr<arrow::Table>> arrow::internal::SerialExecutor::Run<std::__1::shared_ptr<arrow::Table>, arrow::Result<std::__1::shared_ptr<arrow::Table>>>(this=0x000000016afced58, initial_task=arrow::internal::SerialExecutor::TopLevelTask<std::__1::shared_ptr<arrow::Table> > @ 0x000000016afced50)>) at thread_pool.h:392:5 [opt]
       frame #6: 0x0000000109489efc arrow.so`arrow::Result<std::__1::shared_ptr<arrow::Table>> arrow::internal::SerialExecutor::RunInSerialExecutor<std::__1::shared_ptr<arrow::Table>, arrow::Future<std::__1::shared_ptr<arrow::Table>>, arrow::Result<std::__1::shared_ptr<arrow::Table>>>(initial_task=arrow::internal::SerialExecutor::TopLevelTask<std::__1::shared_ptr<arrow::Table> > @ 0x000000016afcedb0)>) at thread_pool.h:289:38 [opt]
       frame #7: 0x0000000109489ca4 arrow.so`arrow::Result<std::__1::shared_ptr<arrow::Table>> RunWithCapturedR<std::__1::shared_ptr<arrow::Table>>(make_arrow_call=function<arrow::Future<std::__1::shared_ptr<arrow::Table> > ()> @ 0x000000016afcee48)>) at safe-call-into-r.h:287:29 [opt]
       frame #8: 0x000000010947a8dc arrow.so`arrow::Result<std::__1::shared_ptr<arrow::Table>> RunWithCapturedRIfPossible<std::__1::shared_ptr<arrow::Table>>(make_arrow_call=function<arrow::Result<std::__1::shared_ptr<arrow::Table> > ()> @ 0x000000016afceea0)>) at safe-call-into-r.h:314:12 [opt]
       frame #9: 0x000000010947a784 arrow.so`Table__from_ExecPlanReader(reader=<unavailable>) at compute-exec.cpp:195:17 [opt]
       
       (omitting higher up frames involved in the R code that calls this C++ function)
   
   
   ```
   
   </details>
   
   ## Thread 2
   
   This one seems like a signal handler of some kind but doesn't have any Arrow (R or C++) in the backtrace. It doesn't seem suspicious.
   
   <details>
   
   ```
   thread #2
       frame #0: 0x00000001a1cba3e0 libsystem_kernel.dylib`__semwait_signal + 8
       frame #1: 0x00000001a1bc45b0 libsystem_c.dylib`nanosleep + 220
       frame #2: 0x000000010764bf70 cli.so`clic_thread_func(arg=<unavailable>) at thread.c:37:5 [opt]
       frame #3: 0x00000001a1cf606c libsystem_pthread.dylib`_pthread_start + 148
   ```
   
   </details>
   
   
   ## Thread 3
   
   Has some calls that I would expect to occur. Notably, `RecordBatchReaderHead::ReadNext()`,
   which in turn calls `ExecPlanReader::ReadNext()`. The top level of the call stack
   seems to indicate that there is a BackgroundGenerator involved. That suggests to
   me that an `ExecPlan` is somehow involved in the `RecordBatchReader` to
   `Table` collection, which I didn't expect. This thread is waiting on
   `ExecPlanReader::ReadNext()`.
   
   <details>
   
   ```
   bt
     thread #3
       frame #0: 0x00000001a1cba5e4 libsystem_kernel.dylib`__psynch_cvwait + 8
       frame #1: 0x00000001a1cf6638 libsystem_pthread.dylib`_pthread_cond_wait + 1232
       frame #2: 0x00000001a1c43ac4 libc++.1.dylib`std::__1::condition_variable::wait(std::__1::unique_lock<std::__1::mutex>&) + 28
       frame #3: 0x000000028079288c libarrow.1100.0.0.dylib`void std::__1::condition_variable::wait<arrow::ConcreteFutureImpl::DoWait()::'lambda'()>(this=0x0000600000a9a908, __lk=0x000000016b3226e8, __pred=(0x0000600000a9a880))::'lambda'()) at __mutex_base:404:9
       frame #4: 0x0000000280790ef8 libarrow.1100.0.0.dylib`arrow::ConcreteFutureImpl::DoWait(this=0x0000600000a9a880) at future.cc:154:9
       frame #5: 0x0000000280790e84 libarrow.1100.0.0.dylib`arrow::FutureImpl::Wait(this=0x0000600000a9a880) at future.cc:189:52
       frame #6: 0x000000010948c478 arrow.so`ExecPlanReader::ReadNext(std::__1::shared_ptr<arrow::RecordBatch>*) [inlined] arrow::Future<std::__1::optional<arrow::compute::ExecBatch>>::Wait(this=0x000000016b322740) const at future.h:385:12 [opt]
       frame #7: 0x000000010948c470 arrow.so`ExecPlanReader::ReadNext(std::__1::shared_ptr<arrow::RecordBatch>*) [inlined] arrow::Future<std::__1::optional<arrow::compute::ExecBatch>>::result(this=0x000000016b322740) const & at future.h:356:5 [opt]
       frame #8: 0x000000010948c470 arrow.so`ExecPlanReader::ReadNext(this=0x00006000011bc518, batch_out=0x000000016b322880) at compute-exec.cpp:118:28 [opt]
       frame #9: 0x000000010952f5c4 arrow.so`RecordBatchReaderHead::ReadNext(this=0x0000600001cbcf18, batch_out=0x000000016b322880) at recordbatchreader.cpp:142:5 [opt]
       frame #10: 0x000000010cbb839c libarrow_dataset.1100.0.0.dylib`arrow::RecordBatchReader::Next(this=0x0000600001cbcf18) at record_batch.h:243:5
       frame #11: 0x000000010cdb47d8 libarrow_dataset.1100.0.0.dylib`arrow::Iterator<arrow::RecordBatchReader::ValueType> arrow::MakeIteratorFromReader<arrow::RecordBatchReader>(this=(std::__1::shared_ptr<arrow::RecordBatchReader>::element_type @ 0x0000600001cbcf18 strong=2 weak=1))::'lambda'()::operator()() const at iterator.h:565:57
       frame #12: 0x000000010cdb47a4 libarrow_dataset.1100.0.0.dylib`arrow::FunctionIterator<arrow::Iterator<arrow::RecordBatchReader::ValueType> arrow::MakeIteratorFromReader<arrow::RecordBatchReader>(std::__1::shared_ptr<arrow::RecordBatchReader> const&)::'lambda'(), std::__1::shared_ptr<arrow::RecordBatch>>::Next(this=0x0000600003da1e00) at iterator.h:346:29
       frame #13: 0x000000010cdb4744 libarrow_dataset.1100.0.0.dylib`arrow::Result<std::__1::shared_ptr<arrow::RecordBatch>> arrow::Iterator<std::__1::shared_ptr<arrow::RecordBatch>>::Next<arrow::FunctionIterator<arrow::Iterator<arrow::RecordBatchReader::ValueType> arrow::MakeIteratorFromReader<arrow::RecordBatchReader>(ptr=0x0000600003da1e00)::'lambda'(), std::__1::shared_ptr<arrow::RecordBatch>>>(void*) at iterator.h:200:40
       frame #14: 0x000000010cbdf628 libarrow_dataset.1100.0.0.dylib`arrow::Iterator<std::__1::shared_ptr<arrow::RecordBatch>>::Next(this=0x0000600003f9cde8) at iterator.h:110:29
       frame #15: 0x0000000280c819dc libarrow.1100.0.0.dylib`arrow::MapIterator<arrow::compute::MakeReaderGenerator(std::__1::shared_ptr<arrow::RecordBatchReader>, arrow::internal::Executor*, int, int)::$_5, std::__1::shared_ptr<arrow::RecordBatch>, std::__1::optional<arrow::compute::ExecBatch>>::Next(this=0x0000600003f9cde0) at iterator.h:428:5
       frame #16: 0x0000000280c81950 libarrow.1100.0.0.dylib`arrow::Result<std::__1::optional<arrow::compute::ExecBatch>> arrow::Iterator<std::__1::optional<arrow::compute::ExecBatch>>::Next<arrow::MapIterator<arrow::compute::MakeReaderGenerator(ptr=0x0000600003f9cde0)::$_5, std::__1::shared_ptr<arrow::RecordBatch>, std::__1::optional<arrow::compute::ExecBatch>>>(void*) at iterator.h:200:40
       frame #17: 0x0000000280c5e784 libarrow.1100.0.0.dylib`arrow::Iterator<std::__1::optional<arrow::compute::ExecBatch>>::Next(this=0x0000600000a9ed28) at iterator.h:110:29
       frame #18: 0x0000000280c8a448 libarrow.1100.0.0.dylib`arrow::BackgroundGenerator<std::__1::optional<arrow::compute::ExecBatch>>::WorkerTask(state=std::__1::shared_ptr<arrow::BackgroundGenerator<std::__1::optional<arrow::compute::ExecBatch> >::State>::element_type @ 0x0000600000a9ed18 strong=3 weak=1) at async_generator.h:1759:29
       frame #19: 0x0000000280c8a3a0 libarrow.1100.0.0.dylib`arrow::BackgroundGenerator<std::__1::optional<arrow::compute::ExecBatch>>::State::DoRestartTask(this=(std::__1::shared_ptr<arrow::BackgroundGenerator<std::__1::optional<arrow::compute::ExecBatch> >::State>::element_type @ 0x0000600000a9ed18 strong=3 weak=1))::'lambda'()::operator()() const at async_generator.h:1666:23
       frame #20: 0x0000000280c8a31c libarrow.1100.0.0.dylib`arrow::internal::FnOnce<void ()>::FnImpl<arrow::BackgroundGenerator<std::__1::optional<arrow::compute::ExecBatch>>::State::DoRestartTask(this=0x0000600003f9cd60)::'lambda'()>::invoke() at functional.h:152:42
       frame #21: 0x00000002808063f0 libarrow.1100.0.0.dylib`arrow::internal::FnOnce<void ()>::operator(this=0x000000016b322e38)() && at functional.h:140:17
       frame #22: 0x0000000280818ef0 libarrow.1100.0.0.dylib`arrow::internal::WorkerLoop(state=std::__1::shared_ptr<arrow::internal::ThreadPool::State>::element_type @ 0x00000001508b32e8 strong=3 weak=2, it=std::__1::list<std::__1::thread, std::__1::allocator<std::__1::thread> >::iterator @ 0x000000016b322ed8) at thread_pool.cc:262:11
       frame #23: 0x0000000280818bfc libarrow.1100.0.0.dylib`arrow::internal::ThreadPool::LaunchWorkersUnlocked(this=(0x00006000031b8420, std::__1::shared_ptr<arrow::internal::ThreadPool::State>::element_type @ 0x00000001508b32e8 strong=3 weak=2, {...}))::$_6::operator()() const at thread_pool.cc:423:7
       frame #24: 0x0000000280818b58 libarrow.1100.0.0.dylib`decltype(__f=(0x00006000031b8420, std::__1::shared_ptr<arrow::internal::ThreadPool::State>::element_type @ 0x00000001508b32e8 strong=3 weak=2, {...}))::$_6>(fp)()) std::__1::__invoke<arrow::internal::ThreadPool::LaunchWorkersUnlocked(int)::$_6>(arrow::internal::ThreadPool::LaunchWorkersUnlocked(int)::$_6&&) at type_traits:3918:1
       frame #25: 0x0000000280818af4 libarrow.1100.0.0.dylib`void std::__1::__thread_execute<std::__1::unique_ptr<std::__1::__thread_struct, std::__1::default_delete<std::__1::__thread_struct>>, arrow::internal::ThreadPool::LaunchWorkersUnlocked(int)::$_6>(__t=size=2, (null)=__tuple_indices<> @ 0x000000016b322f7f)::$_6>&, std::__1::__tuple_indices<>) at thread:287:5
   
   frame #26: 0x0000000280818290 libarrow.1100.0.0.dylib`void* std::__1::__thread_proxy<std::__1::tuple<std::__1::unique_ptr<std::__1::__thread_struct, std::__1::default_delete<std::__1::__thread_struct>>, arrow::internal::ThreadPool::LaunchWorkersUnlocked(int)::$_6>>(__vp=0x0000600003185c50) at thread:298:5
       frame #27: 0x00000001a1cf606c libsystem_pthread.dylib`_pthread_start + 148
   
   ```
   
   </details>
   
   ## Thread 4
   
   This is the signal stop source waiting for input from a signal handler? I don't know
   the details but I am guessing this stop source would always be waiting for input
   as long as there is a signal handler registered.
   
   <details>
   
   ```
   bt
     thread #4
       frame #0: 0x00000001a1cb79ac libsystem_kernel.dylib`read + 8
       frame #1: 0x00000002807d2844 libarrow.1100.0.0.dylib`arrow::internal::(anonymous namespace)::SelfPipeImpl::Wait(this=0x0000600001cbcbf8) at io_util.cc:1268:24
       frame #2: 0x000000028076fc04 libarrow.1100.0.0.dylib`arrow::(anonymous namespace)::SignalStopState::ReceiveSignals(self_pipe=std::__1::shared_ptr<arrow::internal::SelfPipe>::element_type @ 0x0000600001cbcbf8 strong=2 weak=3) at cancel.cc:246:39
       frame #3: 0x0000000280770ba4 libarrow.1100.0.0.dylib`decltype(__f=0x0000600003f9c6a8, __args=nullptr)(static_cast<std::__1::shared_ptr<arrow::internal::SelfPipe>>(fp0))) std::__1::__invoke<void (*)(std::__1::shared_ptr<arrow::internal::SelfPipe>), std::__1::shared_ptr<arrow::internal::SelfPipe>>(void (*&&)(std::__1::shared_ptr<arrow::internal::SelfPipe>), std::__1::shared_ptr<arrow::internal::SelfPipe>&&) at type_traits:3918:1
       frame #4: 0x0000000280770b1c libarrow.1100.0.0.dylib`void std::__1::__thread_execute<std::__1::unique_ptr<std::__1::__thread_struct, std::__1::default_delete<std::__1::__thread_struct>>, void (*)(std::__1::shared_ptr<arrow::internal::SelfPipe>), std::__1::shared_ptr<arrow::internal::SelfPipe>, 2ul>(__t=size=3, (null)=__tuple_indices<2> @ 0x000000016b552f7f)(std::__1::shared_ptr<arrow::internal::SelfPipe>), std::__1::shared_ptr<arrow::internal::SelfPipe>>&, std::__1::__tuple_indices<2ul>) at thread:287:5
       frame #5: 0x00000002807701bc libarrow.1100.0.0.dylib`void* std::__1::__thread_proxy<std::__1::tuple<std::__1::unique_ptr<std::__1::__thread_struct, std::__1::default_delete<std::__1::__thread_struct>>, void (*)(std::__1::shared_ptr<arrow::internal::SelfPipe>), std::__1::shared_ptr<arrow::internal::SelfPipe>>>(__vp=0x0000600003f9c6a0) at thread:298:5
       frame #6: 0x00000001a1cf606c libsystem_pthread.dylib`_pthread_start + 148
   ```
   
   </details>
   
   ## Thread 5
   
   A thread pool worker loop. This seems like it's looping and sleeping which seems
   fine?
   
   <details>
   
   ```
   bt
     thread #5
       frame #0: 0x00000001a1cba5e4 libsystem_kernel.dylib`__psynch_cvwait + 8
       frame #1: 0x00000001a1cf6638 libsystem_pthread.dylib`_pthread_cond_wait + 1232
       frame #2: 0x00000001a1c43ac4 libc++.1.dylib`std::__1::condition_variable::wait(std::__1::unique_lock<std::__1::mutex>&) + 28
       frame #3: 0x0000000280819040 libarrow.1100.0.0.dylib`arrow::internal::WorkerLoop(state=std::__1::shared_ptr<arrow::internal::ThreadPool::State>::element_type @ 0x000000012f694238 strong=7 weak=2, it=std::__1::list<std::__1::thread, std::__1::allocator<std::__1::thread> >::iterator @ 0x000000016b5deed8) at thread_pool.cc:280:16
       frame #4: 0x0000000280818bfc libarrow.1100.0.0.dylib`arrow::internal::ThreadPool::LaunchWorkersUnlocked(this=(0x00006000031bc3c0, std::__1::shared_ptr<arrow::internal::ThreadPool::State>::element_type @ 0x000000012f694238 strong=7 weak=2, {...}))::$_6::operator()() const at thread_pool.cc:423:7
       frame #5: 0x0000000280818b58 libarrow.1100.0.0.dylib`decltype(__f=(0x00006000031bc3c0, std::__1::shared_ptr<arrow::internal::ThreadPool::State>::element_type @ 0x000000012f694238 strong=7 weak=2, {...}))::$_6>(fp)()) std::__1::__invoke<arrow::internal::ThreadPool::LaunchWorkersUnlocked(int)::$_6>(arrow::internal::ThreadPool::LaunchWorkersUnlocked(int)::$_6&&) at type_traits:3918:1
       frame #6: 0x0000000280818af4 libarrow.1100.0.0.dylib`void std::__1::__thread_execute<std::__1::unique_ptr<std::__1::__thread_struct, std::__1::default_delete<std::__1::__thread_struct>>, arrow::internal::ThreadPool::LaunchWorkersUnlocked(int)::$_6>(__t=size=2, (null)=__tuple_indices<> @ 0x000000016b5def7f)::$_6>&, std::__1::__tuple_indices<>) at thread:287:5
       frame #7: 0x0000000280818290 libarrow.1100.0.0.dylib`void* std::__1::__thread_proxy<std::__1::tuple<std::__1::unique_ptr<std::__1::__thread_struct, std::__1::default_delete<std::__1::__thread_struct>>, arrow::internal::ThreadPool::LaunchWorkersUnlocked(int)::$_6>>(__vp=0x00006000031bc510) at thread:298:5
   
   frame #8: 0x00000001a1cf606c libsystem_pthread.dylib`_pthread_start + 148
   
   ```
   
   </details>
   
   ## Thread 6
   
   This is the call to `RecordBatchReader::ToTable()`...probably the one that was
   launched by Thread #1. This seems to be reading an `ExecPlanReader`, so maybe
   there was an extra `ExecPlan` that was created that I did not expect.
   
   <details>
   
   ```
   bt
     thread #6
       frame #0: 0x00000001a1cba5e4 libsystem_kernel.dylib`__psynch_cvwait + 8
       frame #1: 0x00000001a1cf6638 libsystem_pthread.dylib`_pthread_cond_wait + 1232
       frame #2: 0x00000001a1c43ac4 libc++.1.dylib`std::__1::condition_variable::wait(std::__1::unique_lock<std::__1::mutex>&) + 28
       frame #3: 0x000000028079288c libarrow.1100.0.0.dylib`void std::__1::condition_variable::wait<arrow::ConcreteFutureImpl::DoWait()::'lambda'()>(this=0x0000600000a88a48, __lk=0x000000016b66aa28, __pred=(0x0000600000a889c0))::'lambda'()) at __mutex_base:404:9
       frame #4: 0x0000000280790ef8 libarrow.1100.0.0.dylib`arrow::ConcreteFutureImpl::DoWait(this=0x0000600000a889c0) at future.cc:154:9
       frame #5: 0x0000000280790e84 libarrow.1100.0.0.dylib`arrow::FutureImpl::Wait(this=0x0000600000a889c0) at future.cc:189:52
       frame #6: 0x000000010948c478 arrow.so`ExecPlanReader::ReadNext(std::__1::shared_ptr<arrow::RecordBatch>*) [inlined] arrow::Future<std::__1::optional<arrow::compute::ExecBatch>>::Wait(this=0x000000016b66aa80) const at future.h:385:12 [opt]
       frame #7: 0x000000010948c470 arrow.so`ExecPlanReader::ReadNext(std::__1::shared_ptr<arrow::RecordBatch>*) [inlined] arrow::Future<std::__1::optional<arrow::compute::ExecBatch>>::result(this=0x000000016b66aa80) const & at future.h:356:5 [opt]
       frame #8: 0x000000010948c470 arrow.so`ExecPlanReader::ReadNext(this=0x00006000011bc618, batch_out=0x000000016b66ab88) at compute-exec.cpp:118:28 [opt]
       frame #9: 0x00000002804b56c4 libarrow.1100.0.0.dylib`arrow::RecordBatchReader::ToRecordBatches(this=0x00006000011bc618) at record_batch.cc:334:5
       frame #10: 0x00000002804b5bcc libarrow.1100.0.0.dylib`arrow::RecordBatchReader::ToTable(this=0x00006000011bc618) at record_batch.cc:348:3
       frame #11: 0x000000010948b750 arrow.so`arrow::internal::FnOnce<void ()>::FnImpl<std::__1::__bind<arrow::detail::ContinueFuture, arrow::Future<std::__1::shared_ptr<arrow::Table>>&, std::__1::function<arrow::Result<std::__1::shared_ptr<arrow::Table>> ()>>>::invoke() [inlined] std::__1::__function::__value_func<arrow::Result<std::__1::shared_ptr<arrow::Table>> ()>::operator(this=<unavailable>)() const at function.h:505:16 [opt]
       frame #12: 0x000000010948b738 arrow.so`arrow::internal::FnOnce<void ()>::FnImpl<std::__1::__bind<arrow::detail::ContinueFuture, arrow::Future<std::__1::shared_ptr<arrow::Table>>&, std::__1::function<arrow::Result<std::__1::shared_ptr<arrow::Table>> ()>>>::invoke() [inlined] std::__1::function<arrow::Result<std::__1::shared_ptr<arrow::Table>> ()>::operator(this=<unavailable>)() const at function.h:1182:12 [opt]
       frame #13: 0x000000010948b738 arrow.so`arrow::internal::FnOnce<void ()>::FnImpl<std::__1::__bind<arrow::detail::ContinueFuture, arrow::Future<std::__1::shared_ptr<arrow::Table>>&, std::__1::function<arrow::Result<std::__1::shared_ptr<arrow::Table>> ()>>>::invoke() [inlined] std::__1::enable_if<!std::is_void<arrow::Result<std::__1::shared_ptr<arrow::Table>>>::value && !is_future<arrow::Result<std::__1::shared_ptr<arrow::Table>>>::value && (!arrow::Future<std::__1::shared_ptr<arrow::Table>>::is_empty || std::is_same<arrow::Result<std::__1::shared_ptr<arrow::Table>>, arrow::Status>::value), void>::type arrow::detail::ContinueFuture::operator(this=<unavailable>, next=Future<std::__1::shared_ptr<arrow::Table> > @ 0x000000016b66aca0, f=<unavailable>)<std::__1::function<arrow::Result<std::__1::shared_ptr<arrow::Table>> ()>&, arrow::Result<std::__1::shared_ptr<arrow::Table>>, arrow::Future<std::__1::shared_ptr<arrow::Table>>>(arrow::Future<std::__1::shared_ptr<arrow::Table>>, std::__1
 ::function<arrow::Result<std::__1::shared_ptr<arrow::Table>> ()>&) const at future.h:150:23 [opt]
       frame #14: 0x000000010948b738 arrow.so`arrow::internal::FnOnce<void ()>::FnImpl<std::__1::__bind<arrow::detail::ContinueFuture, arrow::Future<std::__1::shared_ptr<arrow::Table>>&, std::__1::function<arrow::Result<std::__1::shared_ptr<arrow::Table>> ()>>>::invoke() [inlined] decltype(__f=<unavailable>, __args=<unavailable>, __args=<unavailable>)(static_cast<arrow::Future<std::__1::shared_ptr<arrow::Table>>&>(fp0), static_cast<std::__1::function<arrow::Result<std::__1::shared_ptr<arrow::Table>> ()>&>(fp0))) std::__1::__invoke<arrow::detail::ContinueFuture&, arrow::Future<std::__1::shared_ptr<arrow::Table>>&, std::__1::function<arrow::Result<std::__1::shared_ptr<arrow::Table>> ()>&>(arrow::detail::ContinueFuture&, arrow::Future<std::__1::shared_ptr<arrow::Table>>&, std::__1::function<arrow::Result<std::__1::shared_ptr<arrow::Table>> ()>&) at type_traits:3918:1 [opt]
       frame #15: 0x000000010948b720 arrow.so`arrow::internal::FnOnce<void ()>::FnImpl<std::__1::__bind<arrow::detail::ContinueFuture, arrow::Future<std::__1::shared_ptr<arrow::Table>>&, std::__1::function<arrow::Result<std::__1::shared_ptr<arrow::Table>> ()>>>::invoke() [inlined] std::__1::__bind_return<arrow::detail::ContinueFuture, std::__1::tuple<arrow::Future<std::__1::shared_ptr<arrow::Table>>, std::__1::function<arrow::Result<std::__1::shared_ptr<arrow::Table>> ()>>, std::__1::tuple<>, __is_valid_bind_return<arrow::detail::ContinueFuture, std::__1::tuple<arrow::Future<std::__1::shared_ptr<arrow::Table>>, std::__1::function<arrow::Result<std::__1::shared_ptr<arrow::Table>> ()>>, std::__1::tuple<>>::value>::type std::__1::__apply_functor<arrow::detail::ContinueFuture, std::__1::tuple<arrow::Future<std::__1::shared_ptr<arrow::Table>>, std::__1::function<arrow::Result<std::__1::shared_ptr<arrow::Table>> (__f=<unavailable>, __bound_args=<unavailable>, (null)=<unavailable>, __args=<
 unavailable>)>>, 0ul, 1ul, std::__1::tuple<>>(arrow::detail::ContinueFuture&, std::__1::tuple<arrow::Future<std::__1::shared_ptr<arrow::Table>>, std::__1::function<arrow::Result<std::__1::shared_ptr<arrow::Table>> ()>>&, std::__1::__tuple_indices<0ul, 1ul>, std::__1::tuple<>&&) at bind.h:257:12 [opt]
       frame #16: 0x000000010948b720 arrow.so`arrow::internal::FnOnce<void ()>::FnImpl<std::__1::__bind<arrow::detail::ContinueFuture, arrow::Future<std::__1::shared_ptr<arrow::Table>>&, std::__1::function<arrow::Result<std::__1::shared_ptr<arrow::Table>> ()>>>::invoke() [inlined] std::__1::__bind_return<arrow::detail::ContinueFuture, std::__1::tuple<arrow::Future<std::__1::shared_ptr<arrow::Table>>, std::__1::function<arrow::Result<std::__1::shared_ptr<arrow::Table>> ()>>, std::__1::tuple<>, __is_valid_bind_return<arrow::detail::ContinueFuture, std::__1::tuple<arrow::Future<std::__1::shared_ptr<arrow::Table>>, std::__1::function<arrow::Result<std::__1::shared_ptr<arrow::Table>> ()>>, std::__1::tuple<>>::value>::type std::__1::__bind<arrow::detail::ContinueFuture, arrow::Future<std::__1::shared_ptr<arrow::Table>>&, std::__1::function<arrow::Result<std::__1::shared_ptr<arrow::Table>> (this=<unavailable>)>>::operator()<>() at bind.h:292:20 [opt]
       frame #17: 0x000000010948b720 arrow.so`arrow::internal::FnOnce<void ()>::FnImpl<std::__1::__bind<arrow::detail::ContinueFuture, arrow::Future<std::__1::shared_ptr<arrow::Table>>&, std::__1::function<arrow::Result<std::__1::shared_ptr<arrow::Table>> (this=<unavailable>)>>>::invoke() at functional.h:152:42 [opt]
       frame #18: 0x00000002808063f0 libarrow.1100.0.0.dylib`arrow::internal::FnOnce<void ()>::operator(this=0x000000016b66ae38)() && at functional.h:140:17
       frame #19: 0x0000000280818ef0 libarrow.1100.0.0.dylib`arrow::internal::WorkerLoop(state=std::__1::shared_ptr<arrow::internal::ThreadPool::State>::element_type @ 0x000000012f694238 strong=7 weak=2, it=std::__1::list<std::__1::thread, std::__1::allocator<std::__1::thread> >::iterator @ 0x000000016b66aed8) at thread_pool.cc:262:11
       frame #20: 0x0000000280818bfc libarrow.1100.0.0.dylib`arrow::internal::ThreadPool::LaunchWorkersUnlocked(this=(0x00006000031bc3c0, std::__1::shared_ptr<arrow::internal::ThreadPool::State>::element_type @ 0x000000012f694238 strong=7 weak=2, {...}))::$_6::operator()() const at thread_pool.cc:423:7
       frame #21: 0x0000000280818b58 libarrow.1100.0.0.dylib`decltype(__f=(0x00006000031bc3c0, std::__1::shared_ptr<arrow::internal::ThreadPool::State>::element_type @ 0x000000012f694238 strong=7 weak=2, {...}))::$_6>(fp)()) std::__1::__invoke<arrow::internal::ThreadPool::LaunchWorkersUnlocked(int)::$_6>(arrow::internal::ThreadPool::LaunchWorkersUnlocked(int)::$_6&&) at type_traits:3918:1
       frame #22: 0x0000000280818af4 libarrow.1100.0.0.dylib`void std::__1::__thread_execute<std::__1::unique_ptr<std::__1::__thread_struct, std::__1::default_delete<std::__1::__thread_struct>>, arrow::internal::ThreadPool::LaunchWorkersUnlocked(int)::$_6>(__t=size=2, (null)=__tuple_indices<> @ 0x000000016b66af7f)::$_6>&, std::__1::__tuple_indices<>) at thread:287:5
       frame #23: 0x0000000280818290 libarrow.1100.0.0.dylib`void* std::__1::__thread_proxy<std::__1::tuple<std::__1::unique_ptr<std::__1::__thread_struct, std::__1::default_delete<std::__1::__thread_struct>>, arrow::internal::ThreadPool::LaunchWorkersUnlocked(int)::$_6>>(__vp=0x0000600003186040) at thread:298:5
       frame #24: 0x00000001a1cf606c libsystem_pthread.dylib`_pthread_start + 148
   
   
   ```
   
   </details>
   
   ## Thread 7
   
   Another thread pool worker loop. Also looping and sleeping.
   
   <details>
   
   ```
   bt
     thread #7
       frame #0: 0x00000001a1cba5e4 libsystem_kernel.dylib`__psynch_cvwait + 8
       frame #1: 0x00000001a1cf6638 libsystem_pthread.dylib`_pthread_cond_wait + 1232
       frame #2: 0x00000001a1c43ac4 libc++.1.dylib`std::__1::condition_variable::wait(std::__1::unique_lock<std::__1::mutex>&) + 28
       frame #3: 0x0000000280819040 libarrow.1100.0.0.dylib`arrow::internal::WorkerLoop(state=std::__1::shared_ptr<arrow::internal::ThreadPool::State>::element_type @ 0x000000012f694238 strong=7 weak=2, it=std::__1::list<std::__1::thread, std::__1::allocator<std::__1::thread> >::iterator @ 0x000000016b6f6ed8) at thread_pool.cc:280:16
       frame #4: 0x0000000280818bfc libarrow.1100.0.0.dylib`arrow::internal::ThreadPool::LaunchWorkersUnlocked(this=(0x00006000031bc3c0, std::__1::shared_ptr<arrow::internal::ThreadPool::State>::element_type @ 0x000000012f694238 strong=7 weak=2, {...}))::$_6::operator()() const at thread_pool.cc:423:7
       frame #5: 0x0000000280818b58 libarrow.1100.0.0.dylib`decltype(__f=(0x00006000031bc3c0, std::__1::shared_ptr<arrow::internal::ThreadPool::State>::element_type @ 0x000000012f694238 strong=7 weak=2, {...}))::$_6>(fp)()) std::__1::__invoke<arrow::internal::ThreadPool::LaunchWorkersUnlocked(int)::$_6>(arrow::internal::ThreadPool::LaunchWorkersUnlocked(int)::$_6&&) at type_traits:3918:1
       frame #6: 0x0000000280818af4 libarrow.1100.0.0.dylib`void std::__1::__thread_execute<std::__1::unique_ptr<std::__1::__thread_struct, std::__1::default_delete<std::__1::__thread_struct>>, arrow::internal::ThreadPool::LaunchWorkersUnlocked(int)::$_6>(__t=size=2, (null)=__tuple_indices<> @ 0x000000016b6f6f7f)::$_6>&, std::__1::__tuple_indices<>) at thread:287:5
       frame #7: 0x0000000280818290 libarrow.1100.0.0.dylib`void* std::__1::__thread_proxy<std::__1::tuple<std::__1::unique_ptr<std::__1::__thread_struct, std::__1::default_delete<std::__1::__thread_struct>>, arrow::internal::ThreadPool::LaunchWorkersUnlocked(int)::$_6>>(__vp=0x00006000031bc570) at thread:298:5
   
   frame #8: 0x00000001a1cf606c libsystem_pthread.dylib`_pthread_start + 148
   
   ```
   
   </details>
   


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[GitHub] [arrow] paleolimbot commented on pull request #14582: ARROW-18240: [R] head() is crashing on some nightly builds

Posted by GitBox <gi...@apache.org>.
paleolimbot commented on PR #14582:
URL: https://github.com/apache/arrow/pull/14582#issuecomment-1369083839

   I'm going to merge this because it's blocking a few PRs and I want to get our MacOS jobs passing again in case there have been other failures obscured by this one/the pyarrow one during the many months that it's been failing!


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[GitHub] [arrow] paleolimbot commented on pull request #14582: ARROW-18240: [R] head() is crashing on some nightly builds

Posted by GitBox <gi...@apache.org>.
paleolimbot commented on PR #14582:
URL: https://github.com/apache/arrow/pull/14582#issuecomment-1355362252

   @github-actions crossbow submit homebrew-r-autobrew homebrew-r-brew test-r-linux-valgrind


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[GitHub] [arrow] github-actions[bot] commented on pull request #14582: ARROW-18240: [R] head() is crashing on some nightly builds

Posted by GitBox <gi...@apache.org>.
github-actions[bot] commented on PR #14582:
URL: https://github.com/apache/arrow/pull/14582#issuecomment-1355370739

   Revision: 1f8dcb5e3867db85a7d7ec25b29a367f4c386bf6
   
   Submitted crossbow builds: [ursacomputing/crossbow @ actions-02c0f76e1f](https://github.com/ursacomputing/crossbow/branches/all?query=actions-02c0f76e1f)
   
   |Task|Status|
   |----|------|
   |homebrew-r-autobrew|[![Github Actions](https://github.com/ursacomputing/crossbow/workflows/Crossbow/badge.svg?branch=actions-02c0f76e1f-github-homebrew-r-autobrew)](https://github.com/ursacomputing/crossbow/actions/runs/3715553353/jobs/6300858219)|
   |homebrew-r-brew|[![Github Actions](https://github.com/ursacomputing/crossbow/workflows/Crossbow/badge.svg?branch=actions-02c0f76e1f-github-homebrew-r-brew)](https://github.com/ursacomputing/crossbow/actions/runs/3715553865/jobs/6300858966)|
   |test-r-linux-valgrind|[![Azure](https://dev.azure.com/ursacomputing/crossbow/_apis/build/status/ursacomputing.crossbow?branchName=actions-02c0f76e1f-azure-test-r-linux-valgrind)](https://github.com/ursacomputing/crossbow/runs/10146864744)|


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[GitHub] [arrow] paleolimbot commented on a diff in pull request #14582: ARROW-18240: [R] head() is crashing on some nightly builds

Posted by GitBox <gi...@apache.org>.
paleolimbot commented on code in PR #14582:
URL: https://github.com/apache/arrow/pull/14582#discussion_r1057317809


##########
r/src/compute-exec.cpp:
##########
@@ -30,6 +30,15 @@
 #include <iostream>
 #include <optional>
 
+// Can't find the header for this?
+namespace arrow {
+namespace io {
+namespace internal {
+arrow::internal::ThreadPool* GetIOThreadPool();
+}
+}  // namespace io
+}  // namespace arrow

Review Comment:
   @pitrou this doesn't seem to be in any public header; however, its use is required here for something that isn't R-specific (creating a source node from a record batch reader). Should this be added to arrow/io/type_fwd.h instead of declared here?



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[GitHub] [arrow] assignUser commented on pull request #14582: ARROW-18240: [R] head() is crashing on some nightly builds

Posted by GitBox <gi...@apache.org>.
assignUser commented on PR #14582:
URL: https://github.com/apache/arrow/pull/14582#issuecomment-1369183761

   +1


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[GitHub] [arrow] github-actions[bot] commented on pull request #14582: ARROW-18240: [R] head() is crashing on some nightly builds

Posted by GitBox <gi...@apache.org>.
github-actions[bot] commented on PR #14582:
URL: https://github.com/apache/arrow/pull/14582#issuecomment-1302401770

   https://issues.apache.org/jira/browse/ARROW-18240


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[GitHub] [arrow] github-actions[bot] commented on pull request #14582: ARROW-18240: [R] head() is crashing on some nightly builds

Posted by GitBox <gi...@apache.org>.
github-actions[bot] commented on PR #14582:
URL: https://github.com/apache/arrow/pull/14582#issuecomment-1302631559

   Revision: 3972e22c3ae343d6ed9528d8c9501b7c12adad9a
   
   Submitted crossbow builds: [ursacomputing/crossbow @ actions-bd233fcb8e](https://github.com/ursacomputing/crossbow/branches/all?query=actions-bd233fcb8e)
   
   |Task|Status|
   |----|------|
   |homebrew-r-autobrew|[![Github Actions](https://github.com/ursacomputing/crossbow/workflows/Crossbow/badge.svg?branch=actions-bd233fcb8e-github-homebrew-r-autobrew)](https://github.com/ursacomputing/crossbow/actions/runs/3389090986/jobs/5631801467)|
   |homebrew-r-brew|[![Github Actions](https://github.com/ursacomputing/crossbow/workflows/Crossbow/badge.svg?branch=actions-bd233fcb8e-github-homebrew-r-brew)](https://github.com/ursacomputing/crossbow/actions/runs/3389089457/jobs/5631798191)|
   |test-r-linux-valgrind|[![Azure](https://dev.azure.com/ursacomputing/crossbow/_apis/build/status/ursacomputing.crossbow?branchName=actions-bd233fcb8e-azure-test-r-linux-valgrind)](https://github.com/ursacomputing/crossbow/runs/9282713320)|


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[GitHub] [arrow] paleolimbot commented on pull request #14582: ARROW-18240: [R] head() is crashing on some nightly builds

Posted by GitBox <gi...@apache.org>.
paleolimbot commented on PR #14582:
URL: https://github.com/apache/arrow/pull/14582#issuecomment-1327551571

   @github-actions crossbow submit homebrew-r-autobrew homebrew-r-brew


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[GitHub] [arrow] github-actions[bot] commented on pull request #14582: ARROW-18240: [R] head() is crashing on some nightly builds

Posted by GitBox <gi...@apache.org>.
github-actions[bot] commented on PR #14582:
URL: https://github.com/apache/arrow/pull/14582#issuecomment-1327557819

   Revision: 8d4f884f2bcc2d2ea86dee74fcf9b60e06a4b406
   
   Submitted crossbow builds: [ursacomputing/crossbow @ actions-e12a4af9f0](https://github.com/ursacomputing/crossbow/branches/all?query=actions-e12a4af9f0)
   
   |Task|Status|
   |----|------|
   |homebrew-r-autobrew|[![Github Actions](https://github.com/ursacomputing/crossbow/workflows/Crossbow/badge.svg?branch=actions-e12a4af9f0-github-homebrew-r-autobrew)](https://github.com/ursacomputing/crossbow/actions/runs/3548768958/jobs/5960346367)|
   |homebrew-r-brew|[![Github Actions](https://github.com/ursacomputing/crossbow/workflows/Crossbow/badge.svg?branch=actions-e12a4af9f0-github-homebrew-r-brew)](https://github.com/ursacomputing/crossbow/actions/runs/3548767934/jobs/5960344143)|


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[GitHub] [arrow] github-actions[bot] commented on pull request #14582: ARROW-18240: [R] head() is crashing on some nightly builds

Posted by GitBox <gi...@apache.org>.
github-actions[bot] commented on PR #14582:
URL: https://github.com/apache/arrow/pull/14582#issuecomment-1327773879

   Revision: 8d4f884f2bcc2d2ea86dee74fcf9b60e06a4b406
   
   Submitted crossbow builds: [ursacomputing/crossbow @ actions-129ee54503](https://github.com/ursacomputing/crossbow/branches/all?query=actions-129ee54503)
   
   |Task|Status|
   |----|------|
   |homebrew-r-autobrew|[![Github Actions](https://github.com/ursacomputing/crossbow/workflows/Crossbow/badge.svg?branch=actions-129ee54503-github-homebrew-r-autobrew)](https://github.com/ursacomputing/crossbow/actions/runs/3550052594/jobs/5963078673)|
   |homebrew-r-brew|[![Github Actions](https://github.com/ursacomputing/crossbow/workflows/Crossbow/badge.svg?branch=actions-129ee54503-github-homebrew-r-brew)](https://github.com/ursacomputing/crossbow/actions/runs/3550052031/jobs/5963077306)|


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[GitHub] [arrow] paleolimbot merged pull request #14582: ARROW-18240: [R] head() is crashing on some nightly builds

Posted by GitBox <gi...@apache.org>.
paleolimbot merged PR #14582:
URL: https://github.com/apache/arrow/pull/14582


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[GitHub] [arrow] paleolimbot commented on pull request #14582: ARROW-18240: [R] head() is crashing on some nightly builds

Posted by GitBox <gi...@apache.org>.
paleolimbot commented on PR #14582:
URL: https://github.com/apache/arrow/pull/14582#issuecomment-1355503307

   Those nightly test builds are still failing; however, they are no longer failing because of a crash when `head()` is called. Horray!


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[GitHub] [arrow] paleolimbot commented on a diff in pull request #14582: ARROW-18240: [R] head() is crashing on some nightly builds

Posted by GitBox <gi...@apache.org>.
paleolimbot commented on code in PR #14582:
URL: https://github.com/apache/arrow/pull/14582#discussion_r1060064691


##########
r/src/compute-exec.cpp:
##########
@@ -30,6 +30,15 @@
 #include <iostream>
 #include <optional>
 
+// Can't find the header for this?
+namespace arrow {
+namespace io {
+namespace internal {
+arrow::internal::ThreadPool* GetIOThreadPool();
+}
+}  // namespace io
+}  // namespace arrow

Review Comment:
   I made #15151 for this!



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[GitHub] [arrow] paleolimbot commented on pull request #14582: ARROW-18240: [R] head() is crashing on some nightly builds

Posted by GitBox <gi...@apache.org>.
paleolimbot commented on PR #14582:
URL: https://github.com/apache/arrow/pull/14582#issuecomment-1327968608

   Oh no! Maybe I reproduced a different issue 😬  (but either way it seems like fixing the deadlock will force some design change that may help!)


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[GitHub] [arrow] assignUser commented on pull request #14582: ARROW-18240: [R] head() is crashing on some nightly builds

Posted by GitBox <gi...@apache.org>.
assignUser commented on PR #14582:
URL: https://github.com/apache/arrow/pull/14582#issuecomment-1327933813

   The GitHub Mac runners are supposed to have 3 cores https://docs.github.com/en/actions/using-github-hosted-runners/about-github-hosted-runners#supported-runners-and-hardware-resources 
   
   Still good to be able to reproduce the issue :D


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