. Thread 3 (Thread 0xaf8e2b40 (LWP 7125)): #0 0xb3aa1424 in __kernel_vsyscall () No symbol table info available. #1 0xb2eead13 in pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_timedwait.S:236 No locals. #2 0xb45d3810 in base::ConditionVariable::TimedWait(base::TimeDelta const&) () No symbol table info available. #3 0xb45d422a in base::WaitableEvent::TimedWait(base::TimeDelta const&) () No symbol table info available. #4 0xb45bb627 in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () No symbol table info available. #5 0xb45b5ba2 in MessageLoop::RunInternal() () No symbol table info available. #6 0xb45b5c01 in MessageLoop::Run() () No symbol table info available. #7 0xb45d880b in base::Thread::Run(MessageLoop*) () No symbol table info available. #8 0xb45d8772 in base::Thread::ThreadMain() () No symbol table info available. #9 0xb45d7d4c in base::(anonymous namespace)::ThreadFunc(void*) () No symbol table info available. #10 0xb2ee6d4c in start_thread (arg=0xaf8e2b40) at pthread_create.c:308 __res = pd = 0xaf8e2b40 now = unwind_buf = {cancel_jmp_buf = {{jmp_buf = {-1292926988, 0, 4001536, -1349639512, -746659436, 333928878}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}} not_first_call = pagesize_m1 = sp = freesize = __PRETTY_FUNCTION__ = "start_thread" #11 0xb2a1a76e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130 No locals. Backtrace stopped: Not enough registers or memory available to unwind further . Thread 2 (Thread 0xb01e3b40 (LWP 7124)): #0 0xb3aa1424 in __kernel_vsyscall () No symbol table info available. #1 0xb2a168a7 in syscall () at ../sysdeps/unix/sysv/linux/i386/syscall.S:30 No locals. #2 0xb45f864b in epoll_wait () No symbol table info available. #3 0xb45f7ff0 in epoll_dispatch () No symbol table info available. #4 0xb45f6132 in event_base_loop () No symbol table info available. #5 0xb4592cd8 in base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () No symbol table info available. #6 0xb45b5ba2 in MessageLoop::RunInternal() () No symbol table info available. #7 0xb45b5c01 in MessageLoop::Run() () No symbol table info available. #8 0xb45d880b in base::Thread::Run(MessageLoop*) () No symbol table info available. #9 0xb45d8772 in base::Thread::ThreadMain() () No symbol table info available. #10 0xb45d7d4c in base::(anonymous namespace)::ThreadFunc(void*) () No symbol table info available. #11 0xb2ee6d4c in start_thread (arg=0xb01e3b40) at pthread_create.c:308 __res = pd = 0xb01e3b40 now = unwind_buf = {cancel_jmp_buf = {{jmp_buf = {-1292926988, 0, 4001536, -1340198232, -211885653, 333928878}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}} not_first_call = pagesize_m1 = sp = freesize = __PRETTY_FUNCTION__ = "start_thread" #12 0xb2a1a76e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130 No locals. Backtrace stopped: Not enough registers or memory available to unwind further . Thread 1 (Thread 0xb2390880 (LWP 7123)): #0 0xb3985b73 in XQueryExtension (dpy=0xb8a83e40, name=0xb2167884 "GLX", major_opcode=0xbfabecc4, first_event=0xbfabecc8, first_error=0xbfabeccc) at ../../src/QuExt.c:43 rep = {type = 48 '0', pad1 = 36 '$', sequenceNumber = 45422, length = 28, present = 80 'P', major_opcode = 23 '\027', first_event = 184 '\270', first_error = 177 '\261', pad3 = 2981631840, pad4 = 4096, pad5 = 3079697704, pad6 = 3100216320, pad7 = 3016357608} req = #1 0xb397993c in XInitExtension (dpy=0xb8a83e40, name=0xb2167884 "GLX") at ../../src/InitExt.c:47 codes = {extension = 4096, major_opcode = -1197138836, first_event = 7, first_error = 1} ext = #2 0xb213d2e5 in __glXInitialize (dpy=0xb8a83e40) at glxext.c:827 i = dpyPriv = 0xb8c98c00 d = glx_direct = glx_accel = #3 __glXInitialize (dpy=0xb8a83e40) at glxext.c:803 dpyPriv = glx_accel = #4 0xb21652b0 in dri2FlushFrontBuffer (driDrawable=0xb8a28e40, loaderPrivate=0xb8a80b00) at dri2_glx.c:602 priv = pdp = pdraw = 0xb8a80b00 psc = 0xb8ba26c0 #5 0xb1d4734b in dri2_flush_frontbuffer (drawable=0xb8abcc80, statt=ST_ATTACHMENT_FRONT_LEFT) at dri2.c:402 dri_drawable = loader = #6 0xb1d4918b in dri_st_framebuffer_flush_front (stfbi=0xb8abcc80, statt=ST_ATTACHMENT_FRONT_LEFT) at dri_drawable.c:110 drawable = #7 0xb16e96c9 in st_manager_flush_frontbuffer (st=0xb8b38000) at state_tracker/st_manager.c:785 stfb = 0xffffffff strb = #8 0xb16e9709 in st_context_flush (stctxi=0xb8b38000, flags=1, fence=0x0) at state_tracker/st_manager.c:464 st = 0xb8b38000 #9 0xb1d48599 in dri_unbind_context (cPriv=0xb8a50680) at dri_context.c:191 ctx = 0xb89f0410 stapi = 0xb17b01c0 #10 0xb1d44662 in driUnbindContext (pcp=0xb8a50680) at ../common/dri_util.c:369 pdp = prp = 0xb8a28e40 #11 0xb2163bd9 in dri2_unbind_context (context=0xb8aadd20, new=0xb8bc2380) at dri2_glx.c:177 pcp = 0xb8aadd20 psc = #12 0xb213c1bd in MakeContextCurrent (dpy=0xb8a0b400, draw=65019962, read=65019962, gc_user=0xb8bc2380) at glxcurrent.c:255 gc = 0xb8bc2380 oldGC = 0xb8aadd20 #13 0xb213c293 in glXMakeCurrent (dpy=0xb8a0b400, draw=65019962, gc=0xb8bc2380) at glxcurrent.c:303 No locals. #14 0xb461cf7c in gfx::GLContextGLX::MakeCurrent () No symbol table info available. #15 0xb5b393a5 in gpu::gles2::GLES2DecoderImpl::MakeCurrent() () No symbol table info available. #16 0xb5b2abdd in gpu::gles2::GLES2DecoderImpl::Initialize(scoped_refptr const&, scoped_refptr const&, gfx::Size const&, gpu::gles2::DisallowedFeatures const&, char const*, std::vector > const&) () No symbol table info available. #17 0xb4d90e8e in GpuCommandBufferStub::OnInitialize(base::FileDescriptor, int, IPC::Message*) () No symbol table info available. #18 0xb4d8fec3 in bool GpuCommandBufferMsg_Initialize::DispatchDelayReply(IPC::Message const*, GpuCommandBufferStub*, void (GpuCommandBufferStub::*)(base::FileDescriptor, int, IPC::Message*)) () No symbol table info available. #19 0xb4d904c2 in GpuCommandBufferStub::OnMessageReceived(IPC::Message const&) () No symbol table info available. #20 0xb4d6cc82 in MessageRouter::RouteMessage(IPC::Message const&) () No symbol table info available. #21 0xb4d8c47f in GpuChannel::HandleMessage() () No symbol table info available. #22 0xb4d8a546 in base::internal::Invoker<1, base::internal::BindState, void (GpuChannel*), void (base::WeakPtr)>, void (GpuChannel*)>::Run(base::internal::BindStateBase*) () No symbol table info available. #23 0xb45b659c in MessageLoop::RunTask(base::PendingTask const&) () No symbol table info available. #24 0xb45b9a0c in MessageLoop::DeferOrRunPendingTask(base::PendingTask const&) () No symbol table info available. #25 0xb45b9ff6 in MessageLoop::DoWork() () No symbol table info available. #26 0xb45e9856 in base::MessagePumpGlib::RunWithDispatcher(base::MessagePump::Delegate*, base::MessagePumpDispatcher*) () No symbol table info available. #27 0xb45e98df in base::MessagePumpGlib::Run(base::MessagePump::Delegate*) () No symbol table info available. #28 0xb45b5ba2 in MessageLoop::RunInternal() () No symbol table info available. #29 0xb45b5c01 in MessageLoop::Run() () No symbol table info available. #30 0xb457c04a in GpuMain(content::MainFunctionParams const&) () No symbol table info available. #31 0xb457ba6f in content::ContentMain(int, char const**, content::ContentMainDelegate*) () No symbol table info available. #32 0xb3c8f0fe in ChromeMain () No symbol table info available. #33 0xb3c8c2b8 in main () No symbol table info available.