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[Chris Coulson <chris.coulson@xxxxxxxxxxxxx>]

*** This bug is a duplicate of bug 1337506 ***
    https://bugs.launchpad.net/bugs/1337506

** This bug has been marked a duplicate of bug 1337506
   FATAL:texture_manager.cc(76)] Check failed: texture_count_ == 0u (1 vs. 0)

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https://bugs.launchpad.net/bugs/1398354

Title:
  Crash in gpu::gles2::TextureManager::~TextureManager()

Status in Oxide Webview:
  New

Bug description:
  I’m seeing an oxide crash when running webapp-container autopilot tests on a phone (oxide 1.3.5-0ubuntu1 on vivid).
  Here’s the backtrace:

  #0  0xb5cd98e6 in ?? () from /lib/arm-linux-gnueabihf/libc.so.6
  #1  0xb5ce7e5e in raise () from /lib/arm-linux-gnueabihf/libc.so.6
  #2  0xb5ce8b4e in abort () from /lib/arm-linux-gnueabihf/libc.so.6
  #3  0xae0264be in base::debug::BreakDebugger ()
      at ../../../../third_party/chromium/src/base/debug/debugger_posix.cc:241
  #4  0xae042ed6 in logging::LogMessage::~LogMessage (this=0xb5dad0ac, __in_chrg=<optimized out>)
      at ../../../../third_party/chromium/src/base/logging.cc:644
  #5  0xae1484ee in gpu::gles2::TextureManager::~TextureManager (this=0xb1fcc6d8, __in_chrg=<optimized out>)
      at ../../../../third_party/chromium/src/gpu/command_buffer/service/texture_manager.cc:36
  #6  0xae104aac in operator() (this=0xb1f5503c, ptr=0xb1fcc6d8)
      at ../../../../third_party/chromium/src/base/memory/scoped_ptr.h:137
  #7  reset (p=0x0, this=0xb1f5503c) at ../../../../third_party/chromium/src/base/memory/scoped_ptr.h:246
  #8  reset (p=0x0, this=0xb1f5503c) at ../../../../third_party/chromium/src/base/memory/scoped_ptr.h:367
  #9  gpu::gles2::ContextGroup::Destroy (this=0xb1f54ff0, decoder=decoder@entry=0xb1f3dbc8, 
      have_context=have_context@entry=true)
      at ../../../../third_party/chromium/src/gpu/command_buffer/service/context_group.cc:315
  #10 0xae12cbfe in gpu::gles2::GLES2DecoderImpl::Destroy (this=0xb1f3dbc8, have_context=<optimized out>)
      at ../../../../third_party/chromium/src/gpu/command_buffer/service/gles2_cmd_decoder.cc:3546
  #11 0xae594802 in content::GpuCommandBufferStub::Destroy (this=this@entry=0xb1f2b8d0)
      at ../../../../third_party/chromium/src/content/common/gpu/gpu_command_buffer_stub.cc:438
  #12 0xae594942 in content::GpuCommandBufferStub::~GpuCommandBufferStub (this=0xb1f2b8d0, __in_chrg=<optimized out>)
      at ../../../../third_party/chromium/src/content/common/gpu/gpu_command_buffer_stub.cc:204
  #13 0xae594ab0 in content::GpuCommandBufferStub::~GpuCommandBufferStub (this=0xb1f2b8d0, __in_chrg=<optimized out>)
      at ../../../../third_party/chromium/src/content/common/gpu/gpu_command_buffer_stub.cc:208
  #14 0xae5908f6 in release_all (table=0xb1f0a510) at ../../../../third_party/chromium/src/base/id_map.h:224
  #15 ~IDMap (this=0xb1f0a4f0, __in_chrg=<optimized out>) at ../../../../third_party/chromium/src/base/id_map.h:53
  #16 content::GpuChannel::~GpuChannel (this=0xb1f0a458, __in_chrg=<optimized out>)
      at ../../../../third_party/chromium/src/content/common/gpu/gpu_channel.cc:425
  #17 0xae590ab8 in content::GpuChannel::~GpuChannel (this=0xb1f0a458, __in_chrg=<optimized out>)
      at ../../../../third_party/chromium/src/content/common/gpu/gpu_channel.cc:429
  #18 0xae591ab2 in STLDeleteValues<__gnu_cxx::hash_map<int, content::GpuChannel*, __gnu_cxx::hash<int>, std::equal_to<int>, std::allocator<content::GpuChannel*> > > (container=container@entry=0xb1f09c0c)
      at ../../../../third_party/chromium/src/base/stl_util.h:152
  #19 0xae591ae4 in clear (this=0xb1f09c0c)
      at ../../../../third_party/chromium/src/base/containers/scoped_ptr_hash_map.h:122
  #20 content::GpuChannelManager::~GpuChannelManager (this=0xb1f09bf8, __in_chrg=<optimized out>)
      at ../../../../third_party/chromium/src/content/common/gpu/gpu_channel_manager.cc:105
  #21 0xae591c40 in content::GpuChannelManager::~GpuChannelManager (this=0xb1f09bf8, __in_chrg=<optimized out>)
      at ../../../../third_party/chromium/src/content/common/gpu/gpu_channel_manager.cc:110
  #22 0xaf938428 in operator() (this=0xb1f05184, ptr=<optimized out>)
      at ../../../../third_party/chromium/src/base/memory/scoped_ptr.h:137
  #23 ~scoped_ptr_impl (this=0xb1f05184, __in_chrg=<optimized out>)
      at ../../../../third_party/chromium/src/base/memory/scoped_ptr.h:220
  #24 ~scoped_ptr (this=0xb1f05184, __in_chrg=<optimized out>)
      at ../../../../third_party/chromium/src/base/memory/scoped_ptr.h:310
  #25 content::GpuChildThread::~GpuChildThread (this=0xb1f050d0, __in_chrg=<optimized out>)
      at ../../../../third_party/chromium/src/content/gpu/gpu_child_thread.cc:93
  #26 0xaf938498 in content::GpuChildThread::~GpuChildThread (this=0xb1f050d0, __in_chrg=<optimized out>)
      at ../../../../third_party/chromium/src/content/gpu/gpu_child_thread.cc:95
  #27 0xaf8ed534 in operator() (this=0xb1f04d04, ptr=<optimized out>)
      at ../../../../third_party/chromium/src/base/memory/scoped_ptr.h:137
  #28 reset (p=0x0, this=0xb1f04d04) at ../../../../third_party/chromium/src/base/memory/scoped_ptr.h:246
  #29 reset (p=0x0, this=0xb1f04d04) at ../../../../third_party/chromium/src/base/memory/scoped_ptr.h:367
  #30 content::ChildProcess::~ChildProcess (this=0xb1f04cd8, __in_chrg=<optimized out>)
      at ../../../../third_party/chromium/src/content/child/child_process.cc:68
  #31 0xaf937b48 in ~GpuProcess (this=0xb1f04cd8, __in_chrg=<optimized out>)
      at ../../../../third_party/chromium/src/content/gpu/gpu_process.cc:13
  #32 content::GpuProcess::~GpuProcess (this=0xb1f04cd8, __in_chrg=<optimized out>)
      at ../../../../third_party/chromium/src/content/gpu/gpu_process.cc:13
  #33 0xae063310 in base::Thread::ThreadMain (this=0xac21a028)
      at ../../../../third_party/chromium/src/base/threading/thread.cc:232
  #34 0xae060992 in base::(anonymous namespace)::ThreadFunc (params=<optimized out>)
      at ../../../../third_party/chromium/src/base/threading/platform_thread_posix.cc:80
  #35 0xb5ca4f98 in start_thread () from /lib/arm-linux-gnueabihf/libpthread.so.0
  #36 0xb5d5533c in ?? () from /lib/arm-linux-gnueabihf/libc.so.6
  Backtrace stopped: previous frame identical to this frame (corrupt stack?)

  The check that causes the abort is the following:

      CHECK_EQ(texture_count_, 0u);

  (when that happens, texture_count_ equals 1).

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