[Webkit-unassigned] [Bug 204715] [GTK] WebKitGTK build hangs on g-ir-scanner

Thu Dec 5 02:48:44 PST 2019

https://bugs.webkit.org/show_bug.cgi?id=204715

--- Comment #2 from Jim Mason <jmason at ibinx.com> ---
Rebuilt with debug symbols.  Problem is in initialization of a static, s_messageHandlers, which was added in the Bug 204503 patch:

(gdb) frame 34
#34 __static_initialization_and_destruction_0 (__initialize_p=<optimized out>, 
    __priority=65535)
    at /build/rtutils/components/desktop/webkitgtk4-dev/webkit/Source/JavaScriptCore/inspector/remote/glib/RemoteInspectorGlib.cpp:95
95      const SocketConnection::MessageHandlers RemoteInspector::s_messageHandlers = {
(

The complete debug backtrace of the deadlocked thread:

(gdb) bt
#0  0x00007ffa718c14fa in yield () at /lib/64/libc.so.1
#1  0x00007ffa7189d281 in sched_yield () at /lib/64/libc.so.1
#2  0x00007ffa6775f975 in bmalloc::Mutex::lockSlowCase()
    (this=0x7ffa677f1339 <bmalloc::StaticPerProcessStorageTraits<bmalloc::Environment>::Storage::s_mutex>)
    at /build/rtutils/components/desktop/webkitgtk4-dev/webkit/Source/bmalloc/bmalloc/Mutex.cpp:52
#3  0x00007ffa67757dbd in bmalloc::Mutex::lock() (this=<optimized out>)
    at /build/rtutils/components/desktop/webkitgtk4-dev/webkit/Source/bmalloc/bmalloc/Mutex.h:82
#4  0x00007ffa67757dbd in std::lock_guard<bmalloc::Mutex>::lock_guard(bmalloc::Mutex&) (__m=..., this=0xffff80c792ce4eb8)
    at /usr/gcc/9/include/c++/9.2.0/bits/std_mutex.h:159
#5  0x00007ffa67757dbd in bmalloc::StaticPerProcess<bmalloc::Environment>::getSlowCase() ()
    at /build/rtutils/components/desktop/webkitgtk4-dev/webkit/Source/bmalloc/bmalloc/StaticPerProcess.h:82
#6  0x00007ffa6775779d in bmalloc::StaticPerProcess<bmalloc::Environment>::get() ()
    at /build/rtutils/components/desktop/webkitgtk4-dev/webkit/Source/bmalloc/bmalloc/DebugHeap.h:76
#7  0x00007ffa6775779d in bmalloc::DebugHeap::tryGet() ()
    at /build/rtutils/components/desktop/webkitgtk4-dev/webkit/Source/bmalloc/bmalloc/DebugHeap.h:74
#8  0x00007ffa6775779d in bmalloc::Cache::allocateSlowCaseNullCache(bmalloc::HeapKind, unsigned long) (heapKind=heapKind at entry=bmalloc::HeapKind::Primary, size=size at entry=25) at /build/rtutils/components/desktop/webkitgtk4-dev/webkit/Source/bmalloc/bmalloc/Cache.cpp:63
#9  0x00007ffa676f4771 in bmalloc::Cache::allocate(bmalloc::HeapKind, unsigned long) (size=25, heapKind=bmalloc::HeapKind::Primary) at /build/rtutils/components/desktop/webkitgtk4-dev/build/amd64/DerivedSources/ForwardingHeaders/bmalloc/Cache.h:81
#10 0x00007ffa676f4771 in bmalloc::api::malloc(unsigned long, bmalloc::HeapKind) (kind=bmalloc::HeapKind::Primary, size=25) at /build/rtutils/components/desktop/webkitgtk4-dev/build/amd64/DerivedSources/ForwardingHeaders/bmalloc/bmalloc.h:49
#11 0x00007ffa676f4771 in WTF::fastMalloc(unsigned long) (size=size at entry=25) at /build/rtutils/components/desktop/webkitgtk4-dev/webkit/Source/WTF/wtf/FastMalloc.cpp:279
#12 0x00007ffa67737c74 in WTF::CStringBuffer::createUninitialized(unsigned long) (length=length at entry=8) at /build/rtutils/components/desktop/webkitgtk4-dev/webkit/Source/WTF/wtf/text/CString.cpp:41
#13 0x00007ffa67737cb2 in WTF::CString::init(char const*, unsigned long) (this=0xffff80c792ce4ff0, str=0x7ffa6e5a910e "DidClose", length=8) at /build/rtutils/components/desktop/webkitgtk4-dev/webkit/Source/WTF/wtf/text/CString.cpp:67
#14 0x00007ffa7086c556 in _GLOBAL__sub_I_UnifiedSource_88d1702b_25.cpp () at /build/rtutils/components/desktop/webkitgtk4-dev/build/amd64/lib/libwebkit2gtk-4.0.so.37
#15 0x00007ffa7197d37f in call_array () at /lib/amd64/ld.so.1
#16 0x00007ffa7197d4ee in call_init () at /lib/amd64/ld.so.1
#17 0x00007ffa7197dbba in load_completion () at /lib/amd64/ld.so.1
#18 0x00007ffa719832ab in dlmopen_check () at /lib/amd64/ld.so.1
#19 0x00007ffa7198338c in dlopen () at /lib/amd64/ld.so.1
#20 0x00007ffa67758c4f in bmalloc::isSanitizerEnabled () at /build/rtutils/components/desktop/webkitgtk4-dev/webkit/Source/bmalloc/bmalloc/Environment.cpp:141
#21 0x00007ffa67758c4f in bmalloc::Environment::computeIsDebugHeapEnabled() (this=<optimized out>) at /build/rtutils/components/desktop/webkitgtk4-dev/webkit/Source/bmalloc/bmalloc/Environment.cpp:141
#22 0x00007ffa67758c4f in bmalloc::Environment::computeIsDebugHeapEnabled() (this=<optimized out>) at /build/rtutils/components/desktop/webkitgtk4-dev/webkit/Source/bmalloc/bmalloc/Environment.cpp:135
#23 0x00007ffa67758cb1 in bmalloc::Environment::Environment(std::lock_guard<bmalloc::Mutex>&) (this=0x7ffa677f1338 <bmalloc::StaticPerProcessStorageTraits<bmalloc::Environment>::Storage::s_memory>) at /build/rtutils/components/desktop/webkitgtk4-dev/webkit/Source/bmalloc/bmalloc/Environment.cpp:130
#24 0x00007ffa67757ddf in bmalloc::StaticPerProcess<bmalloc::Environment>::getSlowCase() () at /usr/gcc/9/include/c++/9.2.0/new:174
#25 0x00007ffa6775779d in bmalloc::StaticPerProcess<bmalloc::Environment>::get() () at /build/rtutils/components/desktop/webkitgtk4-dev/webkit/Source/bmalloc/bmalloc/DebugHeap.h:76
#26 0x00007ffa6775779d in bmalloc::DebugHeap::tryGet() () at /build/rtutils/components/desktop/webkitgtk4-dev/webkit/Source/bmalloc/bmalloc/DebugHeap.h:74
#27 0x00007ffa6775779d in bmalloc::Cache::allocateSlowCaseNullCache(bmalloc::HeapKind, unsigned long) (heapKind=heapKind at entry=bmalloc::HeapKind::Primary, size=size at entry=25) at /build/rtutils/components/desktop/webkitgtk4-dev/webkit/Source/bmalloc/bmalloc/Cache.cpp:63
#28 0x00007ffa676f4771 in bmalloc::Cache::allocate(bmalloc::HeapKind, unsigned long) (size=25, heapKind=bmalloc::HeapKind::Primary) at /build/rtutils/components/desktop/webkitgtk4-dev/build/amd64/DerivedSources/ForwardingHeaders/bmalloc/Cache.h:81
#29 0x00007ffa676f4771 in bmalloc::api::malloc(unsigned long, bmalloc::HeapKind) (kind=bmalloc::HeapKind::Primary, size=25) at /build/rtutils/components/desktop/webkitgtk4-dev/build/amd64/DerivedSources/ForwardingHeaders/bmalloc/bmalloc.h:49
#30 0x00007ffa676f4771 in WTF::fastMalloc(unsigned long) (size=size at entry=25) at /build/rtutils/components/desktop/webkitgtk4-dev/webkit/Source/WTF/wtf/FastMalloc.cpp:279
#31 0x00007ffa67737c74 in WTF::CStringBuffer::createUninitialized(unsigned long) (length=length at entry=8) at /build/rtutils/components/desktop/webkitgtk4-dev/webkit/Source/WTF/wtf/text/CString.cpp:41
#32 0x00007ffa67737cb2 in WTF::CString::init(char const*, unsigned long) (this=0xffff80c792ce5460, str=0x7ffa667c724b "DidClose", length=8) at /build/rtutils/components/desktop/webkitgtk4-dev/webkit/Source/WTF/wtf/text/CString.cpp:67
#33 0x00007ffa67071958 in WTF::KeyValuePair<WTF::CString, std::pair<WTF::CString, void (*)(WTF::SocketConnection&, _GVariant*, void*)> >::KeyValuePair<char const (&) [9], std::pair<WTF::CString, void (*)(WTF::SocketConnection&, _GVariant*, void*)> >(char const (&) [9], std::pair<WTF::CString, void (*)(WTF::SocketConnection&, _GVariant*, void*)>&&) (value=..., key=..., this=0x7ffa631978a0) at /usr/gcc/9/include/c++/9.2.0/bits/move.h:74
#34 0x00007ffa67071958 in __static_initialization_and_destruction_0(int, int) (__initialize_p=<optimized out>, __priority=65535) at /build/rtutils/components/desktop/webkitgtk4-dev/webkit/Source/JavaScriptCore/inspector/remote/glib/RemoteInspectorGlib.cpp:95
#35 0x00007ffa7197d37f in call_array () at /lib/amd64/ld.so.1
#36 0x00007ffa7197d4ee in call_init () at /lib/amd64/ld.so.1
#37 0x00007ffa7197dbba in load_completion () at /lib/amd64/ld.so.1
#38 0x00007ffa7198d300 in elf_bndr () at /lib/amd64/ld.so.1
#39 0x00007ffa7196e703 in elf_rtbndr () at /lib/amd64/ld.so.1
#40 0x00007ffa719210e8 in  ()
#41 0x0000000000000035 in  ()
#42 0x0000000000406187 in invoke_get_type ()
#43 0x0000000000407044 in dump_irepository ()
#44 0x000000000040730b in main ()

Suggestions are welcome.  I am quite surprised that I am the only one who is apparently hitting the problem caused by the changes of Bug 204503...

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