Bug#663871: SIGSEGV in WebCore::GraphicsContext::platformInit

Steven Chamberlain steven at pyro.eu.org
Fri May 30 15:51:29 UTC 2014


On 18:37, Steven Chamberlain wrote:
> To see the real issue on mipsel I'll have to try again with proc
> mounted.

Okay, I think I have a backtrace of the actual bug now.  (attached)

Regards,
-- 
Steven Chamberlain
steven at pyro.eu.org
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Program received signal SIGBUS, Bus error.
0x75298728 in WTF::TCMalloc_Central_FreeList::FetchFromSpans() ()
   from /usr/lib/mipsel-linux-gnu/libjavascriptcoregtk-1.0.so.0
(gdb) bt full
#0  0x75298728 in WTF::TCMalloc_Central_FreeList::FetchFromSpans() ()
   from /usr/lib/mipsel-linux-gnu/libjavascriptcoregtk-1.0.so.0
No symbol table info available.
#1  0x75299e9c in WTF::fastMalloc(unsigned int) ()
   from /usr/lib/mipsel-linux-gnu/libjavascriptcoregtk-1.0.so.0
No symbol table info available.
#2  0x752cef1c in WTF::StringImpl::createUninitialized(unsigned int, unsigned char*&) ()
   from /usr/lib/mipsel-linux-gnu/libjavascriptcoregtk-1.0.so.0
No symbol table info available.
#3  0x74f39310 in WTF::PassRefPtr<WTF::StringImpl> JSC::Identifier::add<unsigned char>(JSC::VM*, uns
igned char const*, int) () from /usr/lib/mipsel-linux-gnu/libjavascriptcoregtk-1.0.so.0
No symbol table info available.
#4  0x7502f22c in JSC::Identifier::Identifier(JSC::VM*, unsigned char const*, int) ()
   from /usr/lib/mipsel-linux-gnu/libjavascriptcoregtk-1.0.so.0
No symbol table info available.
#5  0x751d1078 in JSC::LiteralParser<unsigned char>::parse(JSC::ParserState) ()
   from /usr/lib/mipsel-linux-gnu/libjavascriptcoregtk-1.0.so.0
No symbol table info available.
#6  0x75000564 in JSC::eval(JSC::ExecState*) ()
   from /usr/lib/mipsel-linux-gnu/libjavascriptcoregtk-1.0.so.0
No symbol table info available.
#7  0x75012b18 in llint_slow_path_call_eval ()
   from /usr/lib/mipsel-linux-gnu/libjavascriptcoregtk-1.0.so.0
No symbol table info available.
#8  0x75019388 in JSC::LLInt::CLoop::execute(JSC::ExecState*, void*, bool) ()
---Type <return> to continue, or q <return> to quit---
   from /usr/lib/mipsel-linux-gnu/libjavascriptcoregtk-1.0.so.0
No symbol table info available.
#9  0x7501875c in callToJavaScript () from /usr/lib/mipsel-linux-gnu/libjavascriptcoregtk-1.0.so.0
No symbol table info available.
#10 0x75008d64 in JSC::JITCode::execute(JSC::VM*, JSC::ProtoCallFrame*, JSC::Register*) ()
   from /usr/lib/mipsel-linux-gnu/libjavascriptcoregtk-1.0.so.0
No symbol table info available.
#11 0x750026c0 in JSC::Interpreter::execute(JSC::ProgramExecutable*, JSC::ExecState*, JSC::JSObject*
) () from /usr/lib/mipsel-linux-gnu/libjavascriptcoregtk-1.0.so.0
No symbol table info available.
#12 0x750f981c in JSC::evaluate(JSC::ExecState*, JSC::SourceCode const&, JSC::JSValue, JSC::JSValue*
) () from /usr/lib/mipsel-linux-gnu/libjavascriptcoregtk-1.0.so.0
No symbol table info available.
#13 0x75768184 in ?? () from /usr/lib/mipsel-linux-gnu/libwebkitgtk-1.0.so.0
warning: GDB can't find the start of the function at 0x75768182.


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