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| author | David Spickett <david.spickett@linaro.org> | 2023-12-20 11:00:12 +0000 |
|---|---|---|
| committer | David Spickett <david.spickett@linaro.org> | 2023-12-20 11:05:52 +0000 |
| commit | 83f8caeab476646eea21bdde619b0beb84ebd70b (patch) | |
| tree | b5b0a9025e8afa74bca30d44f3f370d902ea4e59 | |
| parent | 7cf499c63bfa2230d0e4144faba1fb4331f9d2ec (diff) | |
| download | llvm-83f8caeab476646eea21bdde619b0beb84ebd70b.zip llvm-83f8caeab476646eea21bdde619b0beb84ebd70b.tar.gz llvm-83f8caeab476646eea21bdde619b0beb84ebd70b.tar.bz2 | |
[lldb][test] Skip runlocker test on AArch64 Linux
This has been flaky for a while, for example
https://lab.llvm.org/buildbot/#/builders/96/builds/50350
```
Command Output (stdout):
--
lldb version 18.0.0git (https://github.com/llvm/llvm-project.git revision 3974d89bde66a2ec61261b969b51993da81205c7)
clang revision 3974d89bde66a2ec61261b969b51993da81205c7
llvm revision 3974d89bde66a2ec61261b969b51993da81205c7
"can't evaluate expressions when the process is running."
```
```
PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace.
#0 0x0000ffffa46191a0 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/lib/python3.8/site-packages/lldb/_lldb.cpython-38-aarch64-linux-gnu.so+0x529a1a0)
#1 0x0000ffffa4617144 llvm::sys::RunSignalHandlers() (/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/lib/python3.8/site-packages/lldb/_lldb.cpython-38-aarch64-linux-gnu.so+0x5298144)
#2 0x0000ffffa46198d0 SignalHandler(int) (/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/lib/python3.8/site-packages/lldb/_lldb.cpython-38-aarch64-linux-gnu.so+0x529a8d0)
#3 0x0000ffffab25b7dc (linux-vdso.so.1+0x7dc)
#4 0x0000ffffab13d050 /build/glibc-Q8DG8B/glibc-2.31/string/../sysdeps/aarch64/multiarch/memcpy_advsimd.S:92:0
#5 0x0000ffffa446f420 lldb_private::process_gdb_remote::GDBRemoteRegisterContext::PrivateSetRegisterValue(unsigned int, llvm::ArrayRef<unsigned char>) (/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/lib/python3.8/site-packages/lldb/_lldb.cpython-38-aarch64-linux-gnu.so+0x50f0420)
#6 0x0000ffffa446f7b8 lldb_private::process_gdb_remote::GDBRemoteRegisterContext::GetPrimordialRegister(lldb_private::RegisterInfo const*, lldb_private::process_gdb_remote::GDBRemoteCommunicationClient&) (/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/lib/python3.8/site-packages/lldb/_lldb.cpython-38-aarch64-linux-gnu.so+0x50f07b8)
#7 0x0000ffffa446f308 lldb_private::process_gdb_remote::GDBRemoteRegisterContext::ReadRegisterBytes(lldb_private::RegisterInfo const*) (/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/lib/python3.8/site-packages/lldb/_lldb.cpython-38-aarch64-linux-gnu.so+0x50f0308)
#8 0x0000ffffa446ec1c lldb_private::process_gdb_remote::GDBRemoteRegisterContext::ReadRegister(lldb_private::RegisterInfo const*, lldb_private::RegisterValue&) (/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/lib/python3.8/site-packages/lldb/_lldb.cpython-38-aarch64-linux-gnu.so+0x50efc1c)
#9 0x0000ffffa412eaa4 lldb_private::RegisterContext::ReadRegisterAsUnsigned(lldb_private::RegisterInfo const*, unsigned long) (/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/lib/python3.8/site-packages/lldb/_lldb.cpython-38-aarch64-linux-gnu.so+0x4dafaa4)
#10 0x0000ffffa420861c ReadLinuxProcessAddressMask(std::shared_ptr<lldb_private::Process>, llvm::StringRef) (/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/lib/python3.8/site-packages/lldb/_lldb.cpython-38-aarch64-linux-gnu.so+0x4e8961c)
#11 0x0000ffffa4208430 ABISysV_arm64::FixCodeAddress(unsigned long) (/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/lib/python3.8/site-packages/lldb/_lldb.cpython-38-aarch64-linux-gnu.so+0x4e89430)
```
Judging by the backtrace something is trying to read the pointer authentication address/code mask
registers. This explains why I've not seen this issue locally, as the buildbot runs on Graviton
3 with has the pointer authentication extension.
I will try to reproduce, fix and re-enable the test.
| -rw-r--r-- | lldb/test/API/python_api/run_locker/TestRunLocker.py | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lldb/test/API/python_api/run_locker/TestRunLocker.py b/lldb/test/API/python_api/run_locker/TestRunLocker.py index 7604754..1083284 100644 --- a/lldb/test/API/python_api/run_locker/TestRunLocker.py +++ b/lldb/test/API/python_api/run_locker/TestRunLocker.py @@ -21,6 +21,8 @@ class TestRunLocker(TestBase): self.runlocker_test(False) @expectedFailureAll(oslist=["windows"]) + # Is flaky on Linux AArch64 buildbot. + @skipIf(oslist=["linux"], archs=["aarch64"]) def test_run_locker_stop_at_entry(self): """Test that the run locker is set correctly when we launch""" self.build() |