8u102 NMethod sweeper related Hotspot crashes
Vitaly Davidovich
vitalyd at gmail.com
Tue Dec 6 17:33:43 UTC 2016
Btw, for now I've advised the group hitting these to turn off tiered
compilation to reduce code cache pressure and thus hopefully avoid whatever
bug(s) is lurking here.
I should've also mentioned that this doesn't happen all the time, of
course, so there's no reliable repro.
On Tue, Dec 6, 2016 at 12:02 PM Vitaly Davidovich <vitalyd at gmail.com> wrote:
> Hi guys,
>
> I have a couple of Hotspot crashes to report - both occur in nmethod
> sweeping/flushing. I'm going to strip down the hs_err content, but let me
> know if there's something else you need from there. Are these known? A
> quick google suggests there are some bugs around nmethod sweeping, but I
> couldn't find anything exactly like this.
>
> Let me know if you need more info.
>
> Thanks
>
> *The first is:*
>
> #
> # A fatal error has been detected by the Java Runtime Environment:
> #
> # Internal Error (instanceKlass.cpp:1995), pid=15444,
> tid=0x00002b1fd0186700
> # guarantee(val >= 0) failed: Underflow: -1
> #
> # JRE version: Java(TM) SE Runtime Environment (8.0_102-b14) (build
> 1.8.0_102-b14)
> # Java VM: Java HotSpot(TM) 64-Bit Server VM (25.102-b14 mixed mode
> linux-amd64 )
> #
> # If you would like to submit a bug report, please visit:
> # http://bugreport.java.com/bugreport/crash.jsp
> #
>
> --------------- T H R E A D ---------------
>
> Current thread (0x00002b1f58056800): JavaThread "C2 CompilerThread2"
> daemon [_thread_in_vm, id=15533,
> stack(0x00002b1fd0086000,0x00002b1fd0187000)]
>
> Stack: [0x00002b1fd0086000,0x00002b1fd0187000], sp=0x00002b1fd0185580,
> free space=1021k
> Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native
> code)
> V [libjvm.so+0xac52aa] VMError::report_and_die()+0x2ba
> V [libjvm.so+0x4fba22] report_vm_error(char const*, int, char const*,
> char const*)+0x62
> V [libjvm.so+0x63e9b0] InstanceKlass::remove_dependent_nmethod(nmethod*,
> bool)+0x110
> V [libjvm.so+0x8e61b3]
> nmethod::flush_dependencies(BoolObjectClosure*)+0x93
> V [libjvm.so+0x8ebd5b] nmethod::make_not_entrant_or_zombie(unsigned
> int)+0x48b
> V [libjvm.so+0xa2b0cd] NMethodSweeper::process_nmethod(nmethod*)+0x27d
> V [libjvm.so+0xa2b468] NMethodSweeper::sweep_code_cache()+0x328
> V [libjvm.so+0xa2b7d4] NMethodSweeper::possibly_sweep()+0xb4
> V [libjvm.so+0x4ae105] CompileQueue::get()+0x15
> V [libjvm.so+0x4b047b] CompileBroker::compiler_thread_loop()+0x18b
> V [libjvm.so+0xa73ce3] JavaThread::thread_main_inner()+0x103
> V [libjvm.so+0xa73e2c] JavaThread::run()+0x11c
> V [libjvm.so+0x9249c8] java_start(Thread*)+0x108
> C [libpthread.so.0+0x6b50] start_thread+0xd0
>
> =>0x00002b1f58056800 JavaThread "C2 CompilerThread2" daemon
> [_thread_in_vm, id=15533, stack(0x00002b1fd0086000,0x00002b1fd0187000)]
>
> VM state:not at safepoint (normal execution)
> VM Mutex/Monitor currently owned by a thread: ([mutex/lock_event])
> [0x0000000001ac5f40] CodeCache_lock - owner thread: 0x00002b1f58056800
> [0x0000000001ac7240] CompiledIC_lock - owner thread: 0x00002b1f58056800
>
> Heap:
> PSYoungGen total 16531968K, used 13673471K [0x00002b1b0b200000,
> 0x00002b1f49900000, 0x00002b1f4b200000)
> eden space 15297024K, 83% used
> [0x00002b1b0b200000,0x00002b1e19277f68,0x00002b1eb0c80000)
> from space 1234944K, 69% used
> [0x00002b1eb0c80000,0x00002b1ee5507eb0,0x00002b1efc280000)
> to space 1198080K, 0% used
> [0x00002b1f00700000,0x00002b1f00700000,0x00002b1f49900000)
> ParOldGen total 34891264K, used 26246257K [0x00002b128b200000,
> 0x00002b1adcb80000, 0x00002b1b0b200000)
> object space 34891264K, 75% used
> [0x00002b128b200000,0x00002b18cd11c630,0x00002b1adcb80000)
> Metaspace used 211158K, capacity 610281K, committed 610528K,
> reserved 612352K
>
> Polling page: 0x00002b1281166000
>
> CodeCache: size=102400Kb used=71326Kb max_used=81914Kb free=31073Kb
> bounds [0x00002b1284ab2000, 0x00002b128aeb2000, 0x00002b128aeb2000]
> total_blobs=13619 nmethods=12436 adapters=1089
> compilation: enabled
>
> *Here's the second:*
> #
> # A fatal error has been detected by the Java Runtime Environment:
> #
> # Internal Error (instanceKlass.cpp:2018), pid=83979,
> tid=0x00002bb97feba700
> # Error: ShouldNotReachHere()
> #
> # JRE version: Java(TM) SE Runtime Environment (8.0_102-b14) (build
> 1.8.0_102-b14)
> # Java VM: Java HotSpot(TM) 64-Bit Server VM (25.102-b14 mixed mode
> linux-amd64 )
> #
> # If you would like to submit a bug report, please visit:
> # http://bugreport.java.com/bugreport/crash.jsp
> #
>
> --------------- T H R E A D ---------------
>
> Current thread (0x00002bb8f40cf800): JavaThread "C2 CompilerThread6"
> daemon [_thread_in_vm, id=84042,
> stack(0x00002bb97fdba000,0x00002bb97febb000)]
>
> Stack: [0x00002bb97fdba000,0x00002bb97febb000], sp=0x00002bb97feb9710,
> free space=1021k
> Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native
> code)
> V [libjvm.so+0xac52aa] VMError::report_and_die()+0x2ba
> V [libjvm.so+0x4fbd92] report_should_not_reach_here(char const*,
> int)+0x52
> V [libjvm.so+0x63e8fb] InstanceKlass::remove_dependent_nmethod(nmethod*,
> bool)+0x5b
> V [libjvm.so+0x8e61b3]
> nmethod::flush_dependencies(BoolObjectClosure*)+0x93
> V [libjvm.so+0x8ebd5b] nmethod::make_not_entrant_or_zombie(unsigned
> int)+0x48b
> V [libjvm.so+0xa2b0cd] NMethodSweeper::process_nmethod(nmethod*)+0x27d
> V [libjvm.so+0xa2b468] NMethodSweeper::sweep_code_cache()+0x328
> V [libjvm.so+0xa2b7d4] NMethodSweeper::possibly_sweep()+0xb4
> V [libjvm.so+0x4ae105] CompileQueue::get()+0x15
> V [libjvm.so+0x4b047b] CompileBroker::compiler_thread_loop()+0x18b
> V [libjvm.so+0xa73ce3] JavaThread::thread_main_inner()+0x103
> V [libjvm.so+0xa73e2c] JavaThread::run()+0x11c
> V [libjvm.so+0x9249c8] java_start(Thread*)+0x108
> C [libpthread.so.0+0x6b50] start_thread+0xd0
>
> =>0x00002bb8f40cf800 JavaThread "C2 CompilerThread6" daemon
> [_thread_in_vm, id=84042, stack(0x00002bb97fdba000,0x00002bb97febb000)]
> VM state:not at safepoint (normal execution)
>
> VM Mutex/Monitor currently owned by a thread: ([mutex/lock_event])
> [0x0000000001858f40] CodeCache_lock - owner thread: 0x00002bb8f40cf800
> [0x000000000185a240] CompiledIC_lock - owner thread: 0x00002bb8f40cf800
>
> Heap:
> PSYoungGen total 18567168K, used 3149269K [0x00002bb3cdf00000, 0x00002bb8e3400000, 0x00002bb8e3400000)
> eden space 15838208K, 5% used [0x00002bb3cdf00000,0x00002bb402b26e00,0x00002bb794a00000)
> from space 2728960K, 83% used [0x00002bb83ab00000,0x00002bb8c624e6b0,0x00002bb8e1400000)
> to space 2720768K, 0% used [0x00002bb794a00000,0x00002bb794a00000,0x00002bb83ab00000)
> ParOldGen total 23083520K, used 21102913K [0x00002ba9a3400000, 0x00002baf24280000, 0x00002bb3cdf00000)
> object space 23083520K, 91% used [0x00002ba9a3400000,0x00002baeab450478,0x00002baf24280000)
> Metaspace used 167926K, capacity 377784K, committed 377856K, reserved 378880K
>
>
>
> Polling page: 0x00002ba999461000
>
> CodeCache: size=102400Kb used=72829Kb max_used=81642Kb free=29570Kb
> bounds [0x00002ba99cdad000, 0x00002ba9a31ad000, 0x00002ba9a31ad000]
> total_blobs=14843 nmethods=13668 adapters=1082
> compilation: enabled
>
> --
Sent from my phone
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