[Vm-dev] corruption of PC in context objects or not (?)
Andrei Chis
chisvasileandrei at gmail.com
Sun Sep 27 17:29:19 UTC 2020
Hi Eliot,
Thanks a lot for your help.
I compiled locally a vm from the commit hash 5a0d21d71223b4d1f4d007ebf2441d530c18c3e2 (CogVM source as per VMMaker.oscog-eem.2826) and I got a Context>>copyTo: crash.
I think I compiled the vm correctly. Are them some Pharo VMs built on travis for Mac to try out instead of building locally?
Below are the stack traces and primitive longs for two crashes with the compiled vm.
Process 19347 stopped
* thread #1, queue = 'com.apple.main-thread', stop reason = EXC_BREAKPOINT (code=EXC_I386_BPT, subcode=0x0)
frame #0: 0x0000000140103f79
-> 0x140103f79: int3
0x140103f7a: int3
0x140103f7b: int3
0x140103f7c: int3
Target 0: (Pharo) stopped.
(lldb) call dumpPrimTraceLog()
basicNew
**StackOverflow**
basicNew
@
@
@
@
basicNew
basicNew
@
@
@
@
@
@
signal
signal
class
basicIdentityHash
basicNew
class
bitShift:
bitAnd:
asFloat
/
asFloat
fractionPart
truncated
fractionPart
truncated
fractionPart
truncated
setAlpha:
truncated
basicIdentityHash
basicNew
basicNew
class
class
basicNew
basicNew
basicIdentityHash
basicNew
basicNew
basicNew
wait
class
tempAt:
tempAt:put:
tempAt:
terminateTo:
signal
findNextUnwindContextUpTo:
terminateTo:
wait
**StackOverflow**
signal
replaceFrom:to:with:startingAt:
wait
**StackOverflow**
class
signal
basicNew
class
**StackOverflow**
**StackOverflow**
**StackOverflow**
wait
signal
basicIdentityHash
class
basicNew
basicNew
**StackOverflow**
class
class
**StackOverflow**
wait
signal
**StackOverflow**
**StackOverflow**
wait
signal
basicNew
basicNew
basicNew
signal
wait
signal
basicIdentityHash
basicIdentityHash
basicNew
basicNew
class
value:value:
basicNew
replaceFrom:to:with:startingAt:
valueWithArguments:
**StackOverflow**
basicIdentityHash
valueWithArguments:
basicNew
**StackOverflow**
class
findNextHandlerOrSignalingContext
**StackOverflow**
primitive
~=
~=
tempAt:
**StackOverflow**
tempAt:
basicNew
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
**StackOverflow**
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
**StackOverflow**
shallowCopy
**StackOverflow**
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
**StackOverflow**
shallowCopy
**StackOverflow**
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
**StackOverflow**
shallowCopy
**StackOverflow**
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
**StackOverflow**
shallowCopy
**StackOverflow**
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
(lldb) call printCallStack()
0x7ffeefbe6d78 M Context(Object)>copy 0x145bbce28: a(n) Context
0x7ffeefbe6db0 M Context>copyTo: 0x145bbce28: a(n) Context
0x7ffeefbe6df8 M Context>copyTo: 0x145bbcd30: a(n) Context
0x7ffeefbe6e40 M Context>copyTo: 0x145bbcc78: a(n) Context
0x7ffeefbe6e88 M Context>copyTo: 0x145bbcbc0: a(n) Context
0x7ffeefbe6ed0 M Context>copyTo: 0x19709adc8: a(n) Context
0x7ffeefbe6f18 M Context>copyTo: 0x19709ad10: a(n) Context
0x7ffeefbe37c8 M Context>copyTo: 0x19709ac58: a(n) Context
0x7ffeefbe3810 M Context>copyTo: 0x19709aba0: a(n) Context
0x7ffeefbe3858 M Context>copyTo: 0x19709aae8: a(n) Context
0x7ffeefbe38a0 M Context>copyTo: 0x19709aa10: a(n) Context
0x7ffeefbe38e8 M Context>copyTo: 0x19709a938: a(n) Context
0x7ffeefbe3930 M Context>copyTo: 0x19709a860: a(n) Context
0x7ffeefbe3978 M Context>copyTo: 0x19709a7a8: a(n) Context
0x7ffeefbe39c0 M Context>copyTo: 0x19709a6f0: a(n) Context
0x7ffeefbe3a08 M Context>copyTo: 0x19709a638: a(n) Context
0x7ffeefbe3a50 M Context>copyTo: 0x19709a560: a(n) Context
0x7ffeefbe3a98 M Context>copyTo: 0x19709a4a8: a(n) Context
0x7ffeefbe3ae0 M Context>copyTo: 0x19709a3f0: a(n) Context
0x7ffeefbe3b28 M Context>copyTo: 0x19709a338: a(n) Context
0x7ffeefbe3b70 M Context>copyTo: 0x19709a280: a(n) Context
0x7ffeefbe3bb8 M Context>copyTo: 0x19709a1c8: a(n) Context
0x7ffeefbe3c00 M Context>copyTo: 0x19709a0e0: a(n) Context
0x7ffeefbe3c48 M Context>copyTo: 0x197099ff8: a(n) Context
0x7ffeefbe3c90 M Context>copyTo: 0x197099ee0: a(n) Context
0x7ffeefbe3cd8 M Context>copyTo: 0x197099e28: a(n) Context
0x7ffeefbe3d20 M Context>copyTo: 0x140169920: a(n) Context
0x7ffeefbe3d68 M Context>copyTo: 0x140169868: a(n) Context
0x7ffeefbe3db0 M Context>copyTo: 0x1401697b0: a(n) Context
0x7ffeefbe3df8 M Context>copyTo: 0x1401696f8: a(n) Context
0x7ffeefbe3e40 M Context>copyTo: 0x140169640: a(n) Context
0x7ffeefbe3e88 M Context>copyTo: 0x140169588: a(n) Context
0x7ffeefbe3ed0 M Context>copyTo: 0x1401694a0: a(n) Context
0x7ffeefbe3f18 M Context>copyTo: 0x140169390: a(n) Context
0x7ffeefbf47c8 M Context>copyTo: 0x1401692b0: a(n) Context
0x7ffeefbf4810 M Context>copyTo: 0x1401691f8: a(n) Context
0x7ffeefbf4858 M Context>copyTo: 0x140169140: a(n) Context
0x7ffeefbf48a0 M Context>copyTo: 0x140169058: a(n) Context
0x7ffeefbf48e8 M Context>copyTo: 0x140168f80: a(n) Context
0x7ffeefbf4930 M Context>copyTo: 0x140168ec8: a(n) Context
0x7ffeefbf4978 M Context>copyTo: 0x140168e10: a(n) Context
0x7ffeefbf49c0 M Context>copyTo: 0x140168d38: a(n) Context
0x7ffeefbf4a08 M Context>copyTo: 0x140168c58: a(n) Context
0x7ffeefbf4a50 M Context>copyTo: 0x140168b80: a(n) Context
0x7ffeefbf4a98 M Context>copyTo: 0x140168ac8: a(n) Context
0x7ffeefbf4ae0 M Context>copyTo: 0x140168a10: a(n) Context
0x7ffeefbf4b28 M Context>copyTo: 0x140168900: a(n) Context
0x7ffeefbf4b70 M Context>copyTo: 0x140168810: a(n) Context
0x7ffeefbf4bb8 M Context>copyTo: 0x140168718: a(n) Context
0x7ffeefbf4c00 M Context>copyTo: 0x140168640: a(n) Context
0x7ffeefbf4c48 M Context>copyTo: 0x14039c748: a(n) Context
0x7ffeefbf4c90 M Context>copyTo: 0x14039c5d8: a(n) Context
0x7ffeefbf4cd8 M Context>copyTo: 0x1401684b8: a(n) Context
0x7ffeefbf4d20 M Context>copyTo: 0x1401683d8: a(n) Context
0x7ffeefbf4d68 M Context>copyTo: 0x14039c2f8: a(n) Context
0x7ffeefbf4db0 M Context>copyTo: 0x140167960: a(n) Context
0x7ffeefbf4df8 M Context>copyTo: 0x1401678a8: a(n) Context
0x7ffeefbf4e40 M Context>copyTo: 0x140167788: a(n) Context
0x7ffeefbf4e88 M Context>copyTo: 0x14039bf60: a(n) Context
0x7ffeefbf4ed0 M Context>copyTo: 0x14039bd38: a(n) Context
0x7ffeefbf4f18 M Context>copyTo: 0x14039ba58: a(n) Context
0x7ffeefbf07c8 M Context>copyTo: 0x14039b8e8: a(n) Context
0x7ffeefbf0810 M Context>copyTo: 0x140167578: a(n) Context
0x7ffeefbf0858 M Context>copyTo: 0x140167478: a(n) Context
0x7ffeefbf08a0 M Context>copyTo: 0x14039b608: a(n) Context
0x7ffeefbf08e8 M Context>copyTo: 0x14039b498: a(n) Context
0x7ffeefbf0930 M Context>copyTo: 0x14039b328: a(n) Context
0x7ffeefbf0978 M Context>copyTo: 0x140167310: a(n) Context
0x7ffeefbf09c0 M Context>copyTo: 0x1401671e8: a(n) Context
0x7ffeefbf0a08 M Context>copyTo: 0x140167108: a(n) Context
0x7ffeefbf0a50 M Context>copyTo: 0x14039af90: a(n) Context
0x7ffeefbf0a98 M Context>copyTo: 0x14039ae20: a(n) Context
0x7ffeefbf0ae0 M Context>copyTo: 0x140166fe0: a(n) Context
0x7ffeefbf0b28 M Context>copyTo: 0x140166ec0: a(n) Context
0x7ffeefbf0b70 M Context>copyTo: 0x14039ab40: a(n) Context
0x7ffeefbf0bb8 M Context>copyTo: 0x14039a9d0: a(n) Context
0x7ffeefbf0c00 M Context>copyTo: 0x14039a860: a(n) Context
0x7ffeefbf0c48 M Context>copyTo: 0x14039a6f0: a(n) Context
0x7ffeefbf0c90 M Context>copyTo: 0x140166ca0: a(n) Context
0x7ffeefbf0cd8 M Context>copyTo: 0x140166bb8: a(n) Context
0x7ffeefbf0d20 M Context>copyTo: 0x140165f60: a(n) Context
0x7ffeefbf0d68 M Context>copyTo: 0x140165ea8: a(n) Context
0x7ffeefbf0db0 M Context>copyTo: 0x14039a2a0: a(n) Context
0x7ffeefbf0df8 M Context>copyTo: 0x140165d48: a(n) Context
0x7ffeefbf0e40 M Context>copyTo: 0x140165c20: a(n) Context
0x7ffeefbf0e88 M Context>copyTo: 0x140165b40: a(n) Context
0x7ffeefbf0ed0 M Context>copyTo: 0x140399e50: a(n) Context
0x7ffeefbf0f18 M Context>copyTo: 0x140399b70: a(n) Context
0x7ffeefbee7c8 M Context>copyTo: 0x140165a18: a(n) Context
0x7ffeefbee810 M Context>copyTo: 0x1401658f8: a(n) Context
0x7ffeefbee858 M Context>copyTo: 0x140399890: a(n) Context
0x7ffeefbee8a0 M Context>copyTo: 0x140399720: a(n) Context
0x7ffeefbee8e8 M Context>copyTo: 0x1403995b0: a(n) Context
0x7ffeefbee930 M Context>copyTo: 0x140399440: a(n) Context
0x7ffeefbee978 M Context>copyTo: 0x1403992d0: a(n) Context
0x7ffeefbee9c0 M Context>copyTo: 0x140399160: a(n) Context
0x7ffeefbeea08 M Context>copyTo: 0x140398ff0: a(n) Context
0x7ffeefbeea50 M Context>copyTo: 0x140398e80: a(n) Context
0x7ffeefbeea98 M Context>copyTo: 0x140398d10: a(n) Context
0x7ffeefbeeae0 M Context>copyTo: 0x140165748: a(n) Context
0x7ffeefbeeb28 M Context>copyTo: 0x140165648: a(n) Context
0x7ffeefbeeb70 M Context>copyTo: 0x140398a30: a(n) Context
0x7ffeefbeebb8 M Context>copyTo: 0x1403988c0: a(n) Context
0x7ffeefbeec00 M Context>copyTo: 0x140165530: a(n) Context
0x7ffeefbeec48 M Context>copyTo: 0x140165458: a(n) Context
0x7ffeefbeec90 M Context>copyTo: 0x1403985e0: a(n) Context
0x7ffeefbeecd8 M Context>copyTo: 0x140398470: a(n) Context
0x7ffeefbeed20 M Context>copyTo: 0x140165088: a(n) Context
0x7ffeefbeed68 M Context>copyTo: 0x140166ae0: a(n) Context
0x7ffeefbeedb0 M Context>copyTo: 0x140398190: a(n) Context
0x7ffeefbeedf8 M Context>copyTo: 0x140398020: a(n) Context
0x7ffeefbeee40 M Context>copyTo: 0x140397eb0: a(n) Context
0x7ffeefbeee88 M Context>copyTo: 0x1401669d8: a(n) Context
0x7ffeefbeeed0 M Context>copyTo: 0x140397c88: a(n) Context
0x7ffeefbeef18 M Context>copyTo: 0x140394d08: a(n) Context
0x7ffeefbea798 M Context>copyTo: 0x140394e20: a(n) Context
0x7ffeefbea7e0 M Context>copyTo: 0x140397838: a(n) Context
0x7ffeefbea828 M Context>copyTo: 0x1403976c8: a(n) Context
0x7ffeefbea870 M Context>copyTo: 0x140397558: a(n) Context
0x7ffeefbea8b8 M Context>copyTo: 0x140395000: a(n) Context
0x7ffeefbea900 M Context>copyTo: 0x140397330: a(n) Context
0x7ffeefbea948 M Context>copyTo: 0x1403971c0: a(n) Context
0x7ffeefbea990 M Context>copyTo: 0x140397050: a(n) Context
0x7ffeefbea9d8 M Context>copyTo: 0x140396ee0: a(n) Context
0x7ffeefbeaa20 M Context>copyTo: 0x140396d70: a(n) Context
0x7ffeefbeaa68 M Context>copyTo: 0x1403958f8: a(n) Context
0x7ffeefbeaab0 M Context>copyTo: 0x140396b48: a(n) Context
0x7ffeefbeaaf8 M Context>copyTo: 0x140396298: a(n) Context
0x7ffeefbeab40 M Context>copyTo: 0x140396920: a(n) Context
0x7ffeefbeab88 M Context>copyTo: 0x1403967b0: a(n) Context
0x7ffeefbeabd0 M Context>copyTo: 0x1403961e0: a(n) Context
0x7ffeefbeac18 M Context>copyTo: 0x140396128: a(n) Context
0x7ffeefbeac60 M Context>copyTo: 0x140396070: a(n) Context
0x7ffeefbeacb8 I Context>copyTo: 0x140395e28: a(n) Context
0x7ffeefbead00 I ZeroDivide(Exception)>freezeUpTo: 0x140395de8: a(n) ZeroDivide
0x7ffeefbead48 I ZeroDivide(Exception)>freeze 0x140395de8: a(n) ZeroDivide
0x7ffeefbead88 I BrDebugglableElementStencil>freeze: 0x140396408: a(n) BrDebugglableElementStencil
0x7ffeefbeadd8 I ZeroDivide(Exception)>asDebuggableElement 0x140395de8: a(n) ZeroDivide
0x7ffeefbeae18 M [] in GtPhlowColumn>errorTreatedCellDataBinderFor: 0x140169e48: a(n) GtPhlowColumn
0x7ffeefbeae50 M BlockClosure>cull: 0x1403959f0: a(n) BlockClosure
0x7ffeefbeaea0 I Context>evaluateSignal: 0x140396298: a(n) Context
0x7ffeefbeaed8 M Context>handleSignal: 0x140396298: a(n) Context
0x7ffeefbeaf20 I ZeroDivide(Exception)>signal 0x140395de8: a(n) ZeroDivide
0x7ffeefbe7840 I ZeroDivide(Exception)>signal: 0x140395de8: a(n) ZeroDivide
0x7ffeefbe7888 I ZeroDivide class(Exception class)>signal: 0x1409f9490: a(n) ZeroDivide class
0x7ffeefbe78c0 M [] in GtPhlowColumnedListViewExamples>gtErrorInColumnDoDataBinderFor: 0x140168630: a(n) GtPhlowColumnedListViewExamples
0x7ffeefbe7908 M BlockClosure>glamourValueWithArgs: 0x140174180: a(n) BlockClosure
0x7ffeefbe7960 M [] in GtPhlowColumn>errorTreatedCellDataBinderFor: 0x140169e48: a(n) GtPhlowColumn
0x7ffeefbe7990 M BlockClosure>on:do: 0x1403959b0: a(n) BlockClosure
0x7ffeefbe79d0 M GtPhlowColumn>performBlock:onException: 0x140169e48: a(n) GtPhlowColumn
0x7ffeefbe7a18 M [] in GtPhlowColumn>errorTreatedCellDataBinderFor: 0x140169e48: a(n) GtPhlowColumn
0x7ffeefbe7a60 M BlockClosure>glamourValueWithArgs: 0x1401701c0: a(n) BlockClosure
0x7ffeefbe7a98 M BrStencilValuableExecutor>execute 0x140174230: a(n) BrStencilValuableExecutor
0x7ffeefbe7ad8 M BrColumnCellDataBinder(BrStencilBuilder)>build 0x140170448: a(n) BrColumnCellDataBinder
0x7ffeefbe7b38 I [] in BrColumnedListDataSource>onBindHolder:at: 0x140169f38: a(n) BrColumnedListDataSource
0x7ffeefbe7b98 I OrderedCollection(SequenceableCollection)>with:do: 0x140169ff8: a(n) OrderedCollection
0x7ffeefbe7bf8 I BrColumnedListDataSource>onBindHolder:at: 0x140169f38: a(n) BrColumnedListDataSource
0x7ffeefbe7c48 I BrColumnedListDataSource(BlInfiniteDataSource)>onBindHolder:at:payloads: 0x140169f38: a(n) BrColumnedListDataSource
0x7ffeefbe7ca0 M [] in BrColumnedListDataSource(BlInfiniteDataSource)>bindHolder:at: 0x140169f38: a(n) BrColumnedListDataSource
0x7ffeefbe7ce0 M BlockClosure>ensure: 0x140394df0: a(n) BlockClosure
0x7ffeefbe7d18 M BlNullTelemetry(BlTelemetry)>timeSync:during: 0x14f0f8ce0: a(n) BlNullTelemetry
0x7ffeefbe7d58 M BrColumnedListDataSource(BlInfiniteDataSource)>bindHolder:at: 0x140169f38: a(n) BrColumnedListDataSource
0x7ffeefbe7d98 M BlInfiniteRecyclerController>bindHolder:at: 0x1401662c0: a(n) BlInfiniteRecyclerController
0x7ffeefbe7e10 M BlInfiniteRecycler>elementFor:dryRun: 0x1401652b8: a(n) BlInfiniteRecycler
0x7ffeefbe7e50 M BlInfiniteRecycler>elementFor: 0x1401652b8: a(n) BlInfiniteRecycler
0x7ffeefbe7e98 M [] in BlInfiniteLinearLayoutState>nextElement:in: 0x140165020: a(n) BlInfiniteLinearLayoutState
0x7ffeefbe7ed8 M BlockClosure>ensure: 0x140166a90: a(n) BlockClosure
0x7ffeefbe7f10 M BlNullTelemetry(BlTelemetry)>timeSync:during: 0x14f0f8ce0: a(n) BlNullTelemetry
0x7ffeefbe27d0 M BlInfiniteLinearLayoutState>nextElement:in: 0x140165020: a(n) BlInfiniteLinearLayoutState
0x7ffeefbe2818 M [] in BlInfiniteLinearLayout>layoutChunkAdd 0x140165320: a(n) BlInfiniteLinearLayout
0x7ffeefbe2858 M BlockClosure>ensure: 0x140165410: a(n) BlockClosure
0x7ffeefbe2890 M BlNullTelemetry(BlTelemetry)>timeSync:during: 0x14f0f8ce0: a(n) BlNullTelemetry
0x7ffeefbe28d8 M BlInfiniteLinearLayout>layoutChunkAdd 0x140165320: a(n) BlInfiniteLinearLayout
0x7ffeefbe2910 M [] in BlInfiniteLinearLayout>layoutChunk 0x140165320: a(n) BlInfiniteLinearLayout
0x7ffeefbe2950 M BlockClosure>ensure: 0x140165600: a(n) BlockClosure
0x7ffeefbe2988 M BlNullTelemetry(BlTelemetry)>timeSync:during: 0x14f0f8ce0: a(n) BlNullTelemetry
0x7ffeefbe29e0 M BlInfiniteLinearLayout>layoutChunk 0x140165320: a(n) BlInfiniteLinearLayout
0x7ffeefbe2a48 I BlInfiniteLinearLayout>fillLayout: 0x140165320: a(n) BlInfiniteLinearLayout
0x7ffeefbe2ab8 I BlInfiniteLinearLayout>layoutChildrenFillFromStart: 0x140165320: a(n) BlInfiniteLinearLayout
0x7ffeefbe2b00 I BlInfiniteLinearLayout>layoutChildrenFill: 0x140165320: a(n) BlInfiniteLinearLayout
0x7ffeefbe2b58 I BlInfiniteLinearLayout>layoutChildrenIn:state: 0x140165320: a(n) BlInfiniteLinearLayout
0x7ffeefbe2ba8 I BrInfiniteListElement(BlInfiniteElement)>dispatchLayoutSecondStep 0x140165140: a(n) BrInfiniteListElement
0x7ffeefbe2be8 I BrInfiniteListElement(BlInfiniteElement)>dispatchLayout 0x140165140: a(n) BrInfiniteListElement
0x7ffeefbe2c18 M BrInfiniteListElement(BlInfiniteElement)>onLayout: 0x140165140: a(n) BrInfiniteListElement
0x7ffeefbe2c58 M [] in BrInfiniteListElement(BlElement)>applyLayoutSafelyIn: 0x140165140: a(n) BrInfiniteListElement
0x7ffeefbe2c98 M BlockClosure>ensure: 0x1401658b0: a(n) BlockClosure
0x7ffeefbe2cd0 M BlNullTelemetry(BlTelemetry)>timeSync:during: 0x14f0f8ce0: a(n) BlNullTelemetry
0x7ffeefbe2d30 M BrInfiniteListElement(BlElement)>applyLayoutSafelyIn: 0x140165140: a(n) BrInfiniteListElement
0x7ffeefbe2d70 M [] in BrInfiniteListElement(BlElement)>applyLayoutIn: 0x140165140: a(n) BrInfiniteListElement
0x7ffeefbe2da0 M BlockClosure>on:do: 0x140165ad0: a(n) BlockClosure
0x7ffeefbe2de0 M BlCompositeErrorHandler(BlErrorHandler)>with:do:failed: 0x140165b28: a(n) BlCompositeErrorHandler
0x7ffeefbe2e28 M BrInfiniteListElement(BlElement)>applyLayoutIn: 0x140165140: a(n) BrInfiniteListElement
0x7ffeefbe2e80 M [] in BlLinearLayoutVerticalOrientation>layout:in: 0x140165d38: a(n) BlLinearLayoutVerticalOrientation
0x7ffeefbe2ed0 M [] in BlChildrenAccountedByLayout(BlChildren)>inject:into: 0x140165e50: a(n) BlChildrenAccountedByLayout
0x7ffeefbe2f18 M Array(SequenceableCollection)>do: 0x140165e98: a(n) Array
0x7ffeefbe9868 M BlChildrenAccountedByLayout(BlChildrenSubset)>do: 0x140165e50: a(n) BlChildrenAccountedByLayout
0x7ffeefbe98a8 M BlChildrenAccountedByLayout(BlChildren)>inject:into: 0x140165e50: a(n) BlChildrenAccountedByLayout
0x7ffeefbe9918 M BlLinearLayoutVerticalOrientation>layout:in: 0x140165d38: a(n) BlLinearLayoutVerticalOrientation
0x7ffeefbe9958 M BlLinearLayout>layout:in: 0x140166e18: a(n) BlLinearLayout
0x7ffeefbe9998 M BrColumnedList(BlElement)>onLayout: 0x140166d70: a(n) BrColumnedList
0x7ffeefbe99d8 M [] in BrColumnedList(BlElement)>applyLayoutSafelyIn: 0x140166d70: a(n) BrColumnedList
0x7ffeefbe9a18 M BlockClosure>ensure: 0x140166e78: a(n) BlockClosure
0x7ffeefbe9a50 M BlNullTelemetry(BlTelemetry)>timeSync:during: 0x14f0f8ce0: a(n) BlNullTelemetry
0x7ffeefbe9ab0 M BrColumnedList(BlElement)>applyLayoutSafelyIn: 0x140166d70: a(n) BrColumnedList
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0x7ffeefbed948 I BlElement>forceLayout 0x140167648: a(n) BlElement
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0x7ffeefbede20 M Time class>millisecondsToRun: 0x1409fcff0: a(n) Time class
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0x14e950880 s GtExamplesCommandLineHandler>activate
0x14e950938 s GtExamplesCommandLineHandler class(CommandLineHandler class)>activateWith:
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0x14e951040 s [] in BlockClosure>newProcess
Process 18798 stopped
* thread #1, queue = 'com.apple.main-thread', stop reason = EXC_BREAKPOINT (code=EXC_I386_BPT, subcode=0x0)
frame #0: 0x00000001481107d1
-> 0x1481107d1: int3
0x1481107d2: int3
0x1481107d3: int3
0x1481107d4: int3
Target 0: (Pharo) stopped.
(lldb) call printAllStacks()
Process 0x15511b938 priority 40
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0x15691cb70 s BlockClosure>ensure:
0x15691cc50 s UIManager class>nonInteractiveDuring:
0x15691cd08 s GtExamplesCommandLineHandler>runPackages
0x15691cdc0 s GtExamplesCommandLineHandler>activate
0x15691ce78 s GtExamplesCommandLineHandler class(CommandLineHandler class)>activateWith:
0x15691cf68 s [] in PharoCommandLineHandler(BasicCommandLineHandler)>activateSubCommand:
0x15691d048 s BlockClosure>on:do:
0x15691d128 s PharoCommandLineHandler(BasicCommandLineHandler)>activateSubCommand:
0x15691d200 s PharoCommandLineHandler(BasicCommandLineHandler)>handleSubcommand
0x15691d2b8 s PharoCommandLineHandler(BasicCommandLineHandler)>handleArgument:
0x15691d380 s [] in PharoCommandLineHandler(BasicCommandLineHandler)>activate
0x15691d458 s BlockClosure>on:do:
0x15691d530 s [] in PharoCommandLineHandler(BasicCommandLineHandler)>activate
0x15691d608 s [] in BlockClosure>newProcess
(lldb) call dumpPrimTraceLog()
stringHash:initialHash:
compare:with:collated:
stringHash:initialHash:
stringHash:initialHash:
**StackOverflow**
primitiveChangeClassTo:
**StackOverflow**
**StackOverflow**
stringHash:initialHash:
stringHash:initialHash:
stringHash:initialHash:
stringHash:initialHash:
compare:with:collated:
primitiveChangeClassTo:
primitiveChangeClassTo:
stringHash:initialHash:
stringHash:initialHash:
stringHash:initialHash:
compare:with:collated:
compare:with:collated:
stringHash:initialHash:
compare:with:collated:
primitiveChangeClassTo:
primitiveChangeClassTo:
stringHash:initialHash:
stringHash:initialHash:
stringHash:initialHash:
compare:with:collated:
compare:with:collated:
primitiveChangeClassTo:
stringHash:initialHash:
stringHash:initialHash:
stringHash:initialHash:
compare:with:collated:
compare:with:collated:
stringHash:initialHash:
stringHash:initialHash:
stringHash:initialHash:
stringHash:initialHash:
stringHash:initialHash:
basicNew:
**StackOverflow**
**StackOverflow**
**StackOverflow**
**StackOverflow**
**StackOverflow**
perform:withArguments:
**StackOverflow**
**StackOverflow**
**StackOverflow**
size
**StackOverflow**
**StackOverflow**
stringHash:initialHash:
**StackOverflow**
stringHash:initialHash:
**StackOverflow**
**StackOverflow**
**StackOverflow**
**StackOverflow**
**StackOverflow**
**StackOverflow**
**StackOverflow**
**StackOverflow**
**StackOverflow**
**StackOverflow**
stringHash:initialHash:
stringHash:initialHash:
**StackOverflow**
**StackOverflow**
**StackOverflow**
stringHash:initialHash:
**StackOverflow**
**StackOverflow**
**StackOverflow**
**StackOverflow**
**StackOverflow**
**StackOverflow**
stringHash:initialHash:
**StackOverflow**
**StackOverflow**
**StackOverflow**
**StackOverflow**
stringHash:initialHash:
**StackOverflow**
**StackOverflow**
**StackOverflow**
**StackOverflow**
**StackOverflow**
**StackOverflow**
stringHash:initialHash:
**StackOverflow**
**StackOverflow**
**StackOverflow**
**StackOverflow**
**StackOverflow**
**StackOverflow**
**StackOverflow**
**StackOverflow**
**StackOverflow**
**StackOverflow**
**StackOverflow**
basicNew
**StackOverflow**
perform:withArguments:
**StackOverflow**
stringHash:initialHash:
stringHash:initialHash:
**StackOverflow**
**StackOverflow**
**StackOverflow**
**StackOverflow**
**StackOverflow**
**StackOverflow**
**StackOverflow**
**StackOverflow**
perform:
**StackOverflow**
**StackOverflow**
**StackOverflow**
**StackOverflow**
**StackOverflow**
**StackOverflow**
perform:withArguments:
**StackOverflow**
**StackOverflow**
**StackOverflow**
**StackOverflow**
stringHash:initialHash:
**StackOverflow**
**StackOverflow**
stringHash:initialHash:
**StackOverflow**
**StackOverflow**
**StackOverflow**
**StackOverflow**
**StackOverflow**
**StackOverflow**
**StackOverflow**
**StackOverflow**
**StackOverflow**
**StackOverflow**
stringHash:initialHash:
**StackOverflow**
**StackOverflow**
stringHash:initialHash:
basicNew
perform:withArguments:
**StackOverflow**
**StackOverflow**
**StackOverflow**
basicNew
**StackOverflow**
**StackOverflow**
class
perform:withArguments:
value:
first
basicNew
**StackOverflow**
**StackOverflow**
**StackOverflow**
**StackOverflow**
**StackOverflow**
**StackOverflow**
**StackOverflow**
**StackOverflow**
**StackOverflow**
basicNew
perform:withArguments:
basicNew
findNextHandlerOrSignalingContext
tempAt:
class
findNextHandlerOrSignalingContext
tempAt:
tempAt:
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
**StackOverflow**
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
**StackOverflow**
shallowCopy
**StackOverflow**
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
**StackOverflow**
shallowCopy
**StackOverflow**
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
shallowCopy
**CompactCode**
> On 26 Sep 2020, at 23:24, Eliot Miranda <eliot.miranda at gmail.com> wrote:
>
> Hi Andrei,
>
> fixed in commit 561b06530bbaed5f19e9d7f077a7df9eb3a8d236, VMMaker.oscog-eem.2824
>
>
> On Fri, Sep 11, 2020 at 8:58 AM Andrei Chis <chisvasileandrei at gmail.com <mailto:chisvasileandrei at gmail.com>> wrote:
>
> Hi,
>
> We are getting often crashes on our CI when calling `Context>copyTo:` in a GT image and a vm build from https://github.com/feenkcom/opensmalltalk-vm <https://github.com/feenkcom/opensmalltalk-vm>.
>
> To sum up during `Context>copyTo:`, `Object>>#copy` is called on a context leading to a segmentation fault crash. Looking at that context in lldb the pc looks off. It has the value `0xfffffffffea7f6e1`.
>
> (lldb) call (void *) printOop(0x1206b6990)
> 0x1206b6990: a(n) Context
> 0x1206b6a48 0xfffffffffea7f6e1 0x9 0x1146b2e08 0x1206b6b00
> 0x1206b6b28 0x1206b6b50
>
> Can this indicate some corruption or is it expected to have such values? `CoInterpreter>>ensureContextHasBytecodePC:` has code that also handles negative values for the pc which suggests that this might be expected.
>
> Changing `Context>copyTo:` by adding a `self pc` before calling `self copy` leads to no more crashes. Not sure if there is a reason for that or just plain luck.
>
> A simple reduced stack is below (more details in this issue [1]). The crash happens always with contexts reified as objects (in this case 0x1206b6990 s [] in GtExamplesCommandLineHandler>runPackages).
> Could this suggest some kind of issue in the vm when reifying contexts, or just some other problem with memory corruption?
>
>
> 0x7ffeefbb4380 M Context(Object)>copy 0x1206b6990: a(n) Context
> 0x7ffeefbb43b8 M Context>copyTo: 0x1206b6990: a(n) Context
> 0x7ffeefbb4400 M Context>copyTo: 0x1206b5ae0: a(n) Context
> ...
> 0x7ffeefba6078 M Context>copyTo: 0x110548b28: a(n) Context
> 0x7ffeefba60d0 I Context>copyTo: 0x110548a70: a(n) Context
> 0x7ffeefba6118 I MessageNotUnderstood(Exception)>freezeUpTo: 0x110548a20: a(n) MessageNotUnderstood
> 0x7ffeefba6160 I MessageNotUnderstood(Exception)>freeze 0x110548a20: a(n) MessageNotUnderstood
> 0x7ffeefba6190 M [] in GtExampleEvaluator>result 0x110544fb8: a(n) GtExampleEvaluator
> 0x7ffeefba61c8 M BlockClosure>cull: 0x110545188: a(n) BlockClosure
> 0x7ffeefba6208 M Context>evaluateSignal: 0x110548c98: a(n) Context
> 0x7ffeefba6240 M Context>handleSignal: 0x110548c98: a(n) Context
> 0x7ffeefba6278 M Context>handleSignal: 0x110548be0: a(n) Context
> 0x7ffeefba62b0 M MessageNotUnderstood(Exception)>signal 0x110548a20: a(n) MessageNotUnderstood
> 0x7ffeefba62f0 M GtDummyExamplesWithInheritanceSubclassB(Object)>doesNotUnderstand: exampleH 0x1105487d8: a(n) GtDummyExamplesWithInheritanceSubclassB
> 0x7ffeefba6328 M GtExampleEvaluator>primitiveProcessExample:withEvaluationContext: 0x110544fb8: a(n) GtExampleEvaluator
> ...
> 0x7ffeefbe64d0 M [] in GtExamplesHDReport class(HDReport class)>runPackages: 0x1145e41c8: a(n) GtExamplesHDReport class
> 0x7ffeefbe6520 M [] in Set>collect: 0x1206b5ab0: a(n) Set
> 0x7ffeefbe6568 M Array(SequenceableCollection)>do: 0x1206b5c50: a(n) Array
> 0x1206b5b98 s Set>collect:
> 0x1206b5ae0 s GtExamplesHDReport class(HDReport class)>runPackages:
> 0x1206b6990 s [] in GtExamplesCommandLineHandler>runPackages
> 0x1206b6a48 s BlockClosure>ensure:
> 0x1206b6b68 s UIManager class>nonInteractiveDuring:
> 0x1206b6c48 s GtExamplesCommandLineHandler>runPackages
> 0x1206b6d98 s GtExamplesCommandLineHandler>activate
> 0x1206b75d0 s GtExamplesCommandLineHandler class(CommandLineHandler class)>activateWith:
> 0x1207d2f00 s [] in PharoCommandLineHandler(BasicCommandLineHandler)>activateSubCommand:
> 0x1207e6620 s BlockClosure>on:do:
> 0x1207f7ab8 s PharoCommandLineHandler(BasicCommandLineHandler)>activateSubCommand:
> 0x120809d40 s PharoCommandLineHandler(BasicCommandLineHandler)>handleSubcommand
> 0x12082ca60 s PharoCommandLineHandler(BasicCommandLineHandler)>handleArgument:
> 0x120789938 s [] in PharoCommandLineHandler(BasicCommandLineHandler)>activate
> 0x1207a83e0 s BlockClosure>on:do:
> 0x1207b57a0 s [] in PharoCommandLineHandler(BasicCommandLineHandler)>activate
> 0x1207bf830 s [] in BlockClosure>newProcess
> Cheers,
> Andrei
>
>
> [1] https://github.com/feenkcom/gtoolkit/issues/1440 <https://github.com/feenkcom/gtoolkit/issues/1440>
>
>
>
> --
> _,,,^..^,,,_
> best, Eliot
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