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balanced abbs Invalid class in objectPtr ASSERTION FAILED ** at CopyForwardScheme.cpp:1290 #21433

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pshipton opened this issue Mar 20, 2025 · 3 comments · May be fixed by eclipse-omr/omr#7694
Open

balanced abbs Invalid class in objectPtr ASSERTION FAILED ** at CopyForwardScheme.cpp:1290 #21433

pshipton opened this issue Mar 20, 2025 · 3 comments · May be fixed by eclipse-omr/omr#7694
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comp:jit test failure

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@pshipton
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pshipton commented Mar 20, 2025 •
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http://vmfarm.rtp.raleigh.ibm.com/job_output.php?id=104035421
[Linux PPC LE 64bit] 80 Load_Level_2.abbs.5mins.Mode501
-Xjit -Xgcpolicy:balanced -Xnocompressedrefs
rtv-ubu20le-rtp-test-9lanm-1

50x grinder passed

j> 03:11:14 Invalid class in objectPtr=00007902EA5FFFE8
j> 03:11:14 10:11:13.927 0x78fc8c002400    j9mm.141    *   ** ASSERTION FAILED ** at CopyForwardScheme.cpp:1290: ((false))
@pshipton
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@dmitripivkine @amicic fyi

@dmitripivkine
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p> 20250320-03:12:53 <gdb> #12 0x00007902f034cafc in javaTrace () from /bluebird/builds/bld_90646/sdk/xl6480/jre/lib/ppc64le/default/libj9trc29.so
p> 20250320-03:12:53 <gdb> #13 0x00007902eb0991bc in MM_CopyForwardSchemeRootScanner::doStackSlot(J9Object**, void*, void const*) () from /bluebird/builds/bld_90646/sdk/xl6480/jre/lib/ppc64le/default/libj9gc29.so
p> 20250320-03:12:53 <gdb> #14 0x00007902eafb5984 in stackSlotIterator(J9JavaVM*, J9Object**, void*, J9StackWalkState*, void const*) () from /bluebird/builds/bld_90646/sdk/xl6480/jre/lib/ppc64le/default/libj9gc29.so
p> 20250320-03:12:53 <gdb> #15 0x00007902eafca0fc in gc_vmThreadStackDoOSlotIterator () from /bluebird/builds/bld_90646/sdk/xl6480/jre/lib/ppc64le/default/libj9gc29.so
p> 20250320-03:12:53 <gdb> #16 0x00007902ebcf6fe0 in jitWalkFrame () from /bluebird/builds/bld_90646/sdk/xl6480/jre/lib/ppc64le/default/libj9jit29.so
p> 20250320-03:12:53 <gdb> #17 0x00007902ebcf8750 in jitWalkStackFrames () from /bluebird/builds/bld_90646/sdk/xl6480/jre/lib/ppc64le/default/libj9jit29.so
p> 20250320-03:12:53 <gdb> #18 0x00007902f0adc0d4 in walkStackFrames () from /bluebird/builds/bld_90646/sdk/xl6480/jre/lib/ppc64le/default/libj9vm29.so
p> 20250320-03:12:53 <gdb> #19 0x00007902eafca27c in GC_VMThreadStackSlotIterator::scanSlots(J9VMThread*, J9VMThread*, void*, void (*)(J9JavaVM*, J9Object**, void*, J9StackWalkState*, void const*), bool, bool) () from /bluebird/builds/bld_90646/sdk/xl6480/jre/lib/ppc64le/default/libj9gc29.so
p> 20250320-03:12:53 <gdb> #20 0x00007902eafb5254 in MM_RootScanner::scanOneThread(MM_EnvironmentBase*, J9VMThread*, void*) () from /bluebird/builds/bld_90646/sdk/xl6480/jre/lib/ppc64le/default/libj9gc29.so
p> 20250320-03:12:53 <gdb> #21 0x00007902eafb3934 in MM_RootScanner::scanThreads(MM_EnvironmentBase*) () from /bluebird/builds/bld_90646/sdk/xl6480/jre/lib/ppc64le/default/libj9gc29.so
p> 20250320-03:12:53 <gdb> #22 0x00007902eb0929cc in MM_CopyForwardScheme::scanRoots(MM_EnvironmentVLHGC*) () from /bluebird/builds/bld_90646/sdk/xl6480/jre/lib/ppc64le/default/libj9gc29.so
p> 20250320-03:12:53 <gdb> #23 0x00007902eb095520 in MM_CopyForwardScheme::workThreadGarbageCollect(MM_EnvironmentVLHGC*) () from /bluebird/builds/bld_90646/sdk/xl6480/jre/lib/ppc64le/default/libj9gc29.so
p> 20250320-03:12:53 <gdb> #24 0x00007902eb09cbbc in MM_CopyForwardSchemeTask::run(MM_EnvironmentBase*) () from /bluebird/builds/bld_90646/sdk/xl6480/jre/lib/ppc64le/default/libj9gc29.so
p> 20250320-03:12:53 <gdb> #25 0x00007902eb0f2828 in MM_ParallelDispatcher::workerEntryPoint(MM_EnvironmentBase*) () from /bluebird/builds/bld_90646/sdk/xl6480/jre/lib/ppc64le/default/libj9gc29.so
p> 20250320-03:12:53 <gdb> #26 0x00007902eb0f0e60 in dispatcher_thread_proc2(OMRPortLibrary*, void*) () from /bluebird/builds/bld_90646/sdk/xl6480/jre/lib/ppc64le/default/libj9gc29.so

@dmitripivkine
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There is pointer to the first element of array in O-slot JIT frame (dataAddr in O-slot):

0x7902EA5FFFD0 :  00007902ecbbb200 0000000000000001 [ .....y.......... ] <---- object start
0x7902EA5FFFE0 :  00007902ea5fffe8 00007902e98a4000 [ [email protected].. ] <---- first (and only) element
0x7902EA5FFFF0 :  0000000000000001 0000000000000010 [ ................ ]

> !j9object 0x7902EA5FFFD0
!J9IndexableObject 0x00007902EA5FFFD0 {
    struct J9Class* clazz = !j9arrayclass 0x7902ECBBB200   // [L
    Object flags = 0x00000000;
    U_32 size = 0x00000001;
    U_64 DataAddr = 0x00007902EA5FFFE8;
	[0] = !fj9object 0x7902e98a4000 = !j9object 0x7902e98a4000
}

<78fc6c953800> JIT frame: bp = 0x000078FC6CA054E8, pc = 0x000078FCBF9C7D34, unwindSP = 0x000078FC6CA05470, cp = 0x00007902ECD32B30, arg0EA = 0x000078FC6CA054F0, jitInfo = 0x000078FCBD602A38
<78fc6c953800> 	Method: org/junit/runners/model/TestClass.getOnlyConstructor()Ljava/lang/reflect/Constructor; !j9method 0x00007902ECD33318
<78fc6c953800> 	Bytecode index = 18, inlineDepth = 0, PC offset = 0x00000000000000B8
<78fc6c953800> 	stackMap=0x000078FCBD602C63, slots=I16(0x0001) parmBaseOffset=I16(0x0008), parmSlots=U16(0x0001), localBaseOffset=I16(0xFFE8)
<78fc6c953800> 	Described JIT args starting at 0x000078FC6CA054F0 for U16(0x0001) slots
<78fc6c953800> 		I-Slot: : a0[0x000078FC6CA054F0] = 0x00007902DC400348
<78fc6c953800> 	Described JIT temps starting at 0x000078FC6CA054D0 for IDATA(0x0000000000000003) slots
<78fc6c953800> 		I-Slot: : t2[0x000078FC6CA054D0] = 0x00007901FD684A68
<78fc6c953800> 		I-Slot: : t1[0x000078FC6CA054D8] = 0x00007902EA5FF8D0
<78fc6c953800> 		I-Slot: : t0[0x000078FC6CA054E0] = 0x00007902EA585348
<78fc6c953800> 	JIT-RegisterMap = UDATA(0x0000000010000000)
<78fc6c953800> 		JIT-RegisterMap-I-Slot[0x000078FC3A4DB928] = UDATA(0x00007901FC8D0C70) (jit_r31)
<78fc6c953800> 		JIT-RegisterMap-I-Slot[0x000078FC3A4DB920] = UDATA(0x00007901FC8D0C70) (jit_r30)
<78fc6c953800> 		JIT-RegisterMap-I-Slot[0x000078FC3A4DB918] = UDATA(0x0000000000000001) (jit_r29)
<78fc6c953800> 		JIT-RegisterMap-I-Slot[0x000078FC3A4DB910] = UDATA(0x00007901FC8D0C70) (jit_r28)
<78fc6c953800> 		JIT-RegisterMap-I-Slot[0x000078FC3A4DB908] = UDATA(0x00007902EA5FFFD0) (jit_r27)
<78fc6c953800> 		JIT-RegisterMap-I-Slot[0x000078FC3A4DB900] = UDATA(0x00007902EA401A28) (jit_r26)
<78fc6c953800> 		JIT-RegisterMap-I-Slot[0x000078FC3A4DB8F8] = UDATA(0x00007902EA401358) (jit_r25)
<78fc6c953800> 		JIT-RegisterMap-I-Slot[0x000078FC3A4DB8F0] = UDATA(0x00007902EA5FF950) (jit_r24)
<78fc6c953800> 		JIT-RegisterMap-I-Slot[0x000078FC3A4DB8E8] = UDATA(0x00007902EA401318) (jit_r23)
<78fc6c953800> 		JIT-RegisterMap-I-Slot[0x000078FC3A4DB8E0] = UDATA(0x00007902EA413988) (jit_r22)
<78fc6c953800> 		JIT-RegisterMap-I-Slot[0x000078FC3A4DB8D8] = UDATA(0x00007902EA4019E0) (jit_r21)
<78fc6c953800> 		JIT-RegisterMap-I-Slot[0x000078FC3A4DB8D0] = UDATA(0x00007902DC400348) (jit_r20)
<78fc6c953800> 		JIT-RegisterMap-I-Slot[0x000078FC3A4DB8C8] = UDATA(0x00007902DC400348) (jit_r19)
<78fc6c953800> 		JIT-RegisterMap-I-Slot[0x000078FC3A4DB8C0] = UDATA(0x00007901FC1B6960) (jit_r18)
<78fc6c953800> 		JIT-RegisterMap-I-Slot[0x000078FC3A4DB8B8] = UDATA(0x00007902EA585348) (jit_r17)
<78fc6c953800> 		JIT-RegisterMap-I-Slot[0x000078FC3A4DB8B0] = UDATA(0x000078FCBD470038) (jit_r16)
<78fc6c953800> 		JIT-RegisterMap-I-Slot[0x000078FC3A4DB8A8] = UDATA(0x0000000000000000) (jit_r15)
<78fc6c953800> 		JIT-RegisterMap-I-Slot[0x000078FC3A4DB8A0] = UDATA(0x0000000000000000) (jit_r14)
<78fc6c953800> 		JIT-RegisterMap-I-Slot[0x000078FC3A4DB898] = UDATA(0x000078FC3A4E68F0) (jit_r13)
<78fc6c953800> 		JIT-RegisterMap-I-Slot[0x000078FC3A4DB890] = UDATA(0x00007901FC4B9328) (jit_r12)
<78fc6c953800> 		JIT-RegisterMap-I-Slot[0x000078FC3A4DB888] = UDATA(0x00007902EBCFAFF0) (jit_r11)
<78fc6c953800> 		JIT-RegisterMap-I-Slot[0x000078FC3A4DB880] = UDATA(0x00007902EA5FFFD0) (jit_r10)
<78fc6c953800> 		JIT-RegisterMap-I-Slot[0x000078FC3A4DB878] = UDATA(0x0000000000000000) (jit_r9)
<78fc6c953800> 		JIT-RegisterMap-I-Slot[0x000078FC3A4DB870] = UDATA(0x00007902E98A4000) (jit_r8)
<78fc6c953800> 		JIT-RegisterMap-I-Slot[0x000078FC3A4DB868] = UDATA(0x0000000000000000) (jit_r7)
<78fc6c953800> 		JIT-RegisterMap-I-Slot[0x000078FC3A4DB860] = UDATA(0x000000000000000A) (jit_r6)
<78fc6c953800> 		JIT-RegisterMap-I-Slot[0x000078FC3A4DB858] = UDATA(0x00007902EC480100) (jit_r5)
<78fc6c953800> 		JIT-RegisterMap-I-Slot[0x000078FC3A4DB850] = UDATA(0x00007901FC786C90) (jit_r4)
<78fc6c953800> 		JIT-RegisterMap-O-Slot[0x000078FC3A4DB848] = 0x00007902EA5FFFE8 (jit_r3) <----------
<78fc6c953800> 		JIT-RegisterMap-I-Slot[0x000078FC3A4DB840] = UDATA(0x0000000000000001) (jit_r2)
<78fc6c953800> 		JIT-RegisterMap-I-Slot[0x000078FC3A4DB838] = UDATA(0x0000000000000000) (jit_r1)
<78fc6c953800> 		JIT-RegisterMap-I-Slot[0x000078FC3A4DB830] = UDATA(0xFFFFFFFFFFFFFFFF) (jit_r0)
<78fc6c953800> 	JIT-Frame-RegisterMap[0x000078FC3A4DB8B0] = UDATA(0x000078FCBD470038) (jit_r16)
<78fc6c953800> 	JIT-Frame-RegisterMap[0x000078FC3A4DB8B8] = UDATA(0x00007902EA585348) (jit_r17)
<78fc6c953800> 	JIT-Frame-RegisterMap[0x000078FC3A4DB8C0] = UDATA(0x00007901FC1B6960) (jit_r18)
<78fc6c953800> 	JIT-Frame-RegisterMap[0x000078FC3A4DB8C8] = UDATA(0x00007902DC400348) (jit_r19)
<78fc6c953800> 	JIT-Frame-RegisterMap[0x000078FC3A4DB8D0] = UDATA(0x00007902DC400348) (jit_r20)
<78fc6c953800> 	JIT-Frame-RegisterMap[0x000078FC3A4DB8D8] = UDATA(0x00007902EA4019E0) (jit_r21)
<78fc6c953800> 	JIT-Frame-RegisterMap[0x000078FC3A4DB8E0] = UDATA(0x00007902EA413988) (jit_r22)
<78fc6c953800> 	JIT-Frame-RegisterMap[0x000078FC3A4DB8E8] = UDATA(0x00007902EA401318) (jit_r23)
<78fc6c953800> 	JIT-Frame-RegisterMap[0x000078FC3A4DB8F0] = UDATA(0x00007902EA5FF950) (jit_r24)
<78fc6c953800> 	JIT-Frame-RegisterMap[0x000078FC3A4DB8F8] = UDATA(0x00007902EA401358) (jit_r25)
<78fc6c953800> 	JIT-Frame-RegisterMap[0x000078FC6CA05490] = UDATA(0x00007902EA401358) (jit_r26)
<78fc6c953800> 	JIT-Frame-RegisterMap[0x000078FC6CA05498] = UDATA(0x00007902EA413988) (jit_r27)
<78fc6c953800> 	JIT-Frame-RegisterMap[0x000078FC6CA054A0] = UDATA(0x00007902EA4019E0) (jit_r28)
<78fc6c953800> 	JIT-Frame-RegisterMap[0x000078FC6CA054A8] = UDATA(0x00007902EA5FFFB8) (jit_r29)
<78fc6c953800> 	JIT-Frame-RegisterMap[0x000078FC6CA054B0] = UDATA(0x00007902EA5FFF00) (jit_r30)
<78fc6c953800> 	JIT-Frame-RegisterMap[0x000078FC6CA054B8] = UDATA(0x00007902EA401A28) (jit_r31)

@rmnattas rmnattas linked a pull request Mar 20, 2025 that will close this issue
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Disable anchoring dataAddr loads in OffHeap rmnattas/omr
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@pshipton @dmitripivkine