[aarch64-port-dev ] Assert failure building Graal

[Roman Kennke]

Is anybody working on this? It blocks my testing on other unrelated
patches and generally makes CI unhappy on aarch64.

I am not sure it is the same or possibly related issue. We had something
similar in Shenandoah land a while ago, and the fix looked like the
first block here:

https://builds.shipilev.net/patch-openjdk-shenandoah-jdk/2018-06-05-v150-vs-4bb58f644e4e/src/hotspot/cpu/aarch64/aarch64.ad.udiff.html

Maybe this helps?

Thanks,
Roman


> Hi, Andrew,
> 
> By 'git bisect', I find this failure should be caused by this patch:
> https://bugs.openjdk.java.net/browse/JDK-8202377.
> 
> BTW, this patch also makes some jtreg case failed, like
> compiler/loopopts/superword/SumRed_Int.java etc.
> 
> On 26 May 2018 at 00:03, Andrew Haley <aph at redhat.com> wrote:
>> This is today's jdk-jdk
>>
>> # To suppress the following error report, specify this argument
>> # after -XX: or in .hotspotrc:  SuppressErrorAt=/aarch64.ad:2849
>> #
>> # A fatal error has been detected by the Java Runtime Environment:
>> #
>> #  Internal Error (/local/jdk-jdk/src/hotspot/cpu/aarch64/aarch64.ad:2849), pid=18689, tid=18767
>> #  assert(mbar != __null) failed: CAS not embedded in normal graph!
>> #
>> # JRE version: OpenJDK Runtime Environment (11.0) (slowdebug build 11-internal+0-adhoc.aph.jdk-jdk)
>> # Java VM: OpenJDK 64-Bit Server VM (slowdebug 11-internal+0-adhoc.aph.jdk-jdk, mixed mode, tiered, compressed oops, g1 gc, linux-aarch64)
>> # Core dump will be written. Default location: /local/graal/graal/compiler/core.18689
>> #
>> # An error report file with more information is saved as:
>> # /local/graal/graal/compiler/hs_err_pid18689.log
>>
>>
>> Current CompileTask:
>> C2:  34583 2284       4       java.util.concurrent.ConcurrentHashMap::casTabAt (21 bytes)
>>
>> Stack: [0x000003ff816a0000,0x000003ff818a0000],  sp=0x000003ff8189a7a0,  free space=2025k
>> Native frames: (J=compiled Java code, A=aot compiled Java code, j=interpreted, Vv=VM code, C=native code)
>> V  [libjvm.so+0xfd1d1c]  VMError::report_and_die(Thread*, void*, char const*, int, char const*, char const*, std::__va_list)+0x7
>> 8
>> V  [libjvm.so+0x6d8ab0]  report_vm_error(char const*, int, char const*, char const*, ...)+0x15c
>> V  [libjvm.so+0x26e54c]  needs_acquiring_load_exclusive(Node const*)+0x38c
>> V  [libjvm.so+0x72c4a0]  State::_sub_Op_CompareAndSwapN(Node const*)+0x68
>> V  [libjvm.so+0x76774c]  State::DFA(int, Node const*)+0x3f8
>> V  [libjvm.so+0xc97f4c]  Matcher::Label_Root(Node const*, State*, Node*, Node const*)+0x524
>> V  [libjvm.so+0xc9753c]  Matcher::match_tree(Node const*)+0x1e4
>> V  [libjvm.so+0xc95c94]  Matcher::xform(Node*, int)+0x168
>> V  [libjvm.so+0xc92b58]  Matcher::match()+0xcc0
>> V  [libjvm.so+0x65d664]  Compile::Code_Gen()+0x98
>> V  [libjvm.so+0x656510]  Compile::Compile(ciEnv*, C2Compiler*, ciMethod*, int, bool, bool, bool, DirectiveSet*)+0x11d8
>> V  [libjvm.so+0x507014]  C2Compiler::compile_method(ciEnv*, ciMethod*, int, DirectiveSet*)+0x158
>> V  [libjvm.so+0x672eb4]  CompileBroker::invoke_compiler_on_method(CompileTask*)+0x604
>> V  [libjvm.so+0x671ef8]  CompileBroker::compiler_thread_loop()+0x344
>> V  [libjvm.so+0xf54c68]  compiler_thread_entry(JavaThread*, Thread*)+0x94
>> V  [libjvm.so+0xf4fb54]  JavaThread::thread_main_inner()+0x194
>> V  [libjvm.so+0xf4f9ac]  JavaThread::run()+0x19c
>> V  [libjvm.so+0xd844d8]  thread_native_entry(Thread*)+0x17c
>> C  [libpthread.so.0+0x7c10]  start_thread+0xb0
>>
>>
>>
>> --
>> Andrew Haley
>> Java Platform Lead Engineer
>> Red Hat UK Ltd. <https://www.redhat.com>
>> EAC8 43EB D3EF DB98 CC77 2FAD A5CD 6035 332F A671
> 
> 
>