{"action":"created","issue":{"url":"https://api.github.com/repos/servo/servo/issues/9882","repository_url":"https://api.github.com/repos/servo/servo","labels_url":"https://api.github.com/repos/servo/servo/issues/9882/labels{/name}","comments_url":"https://api.github.com/repos/servo/servo/issues/9882/comments","events_url":"https://api.github.com/repos/servo/servo/issues/9882/events","html_url":"https://github.com/servo/servo/issues/9882","id":138647745,"number":9882,"title":"Panic when running with webrender","user":{"login":"pix64","id":4613961,"avatar_url":"https://avatars.githubusercontent.com/u/4613961?v=3","gravatar_id":"","url":"https://api.github.com/users/pix64","html_url":"https://github.com/pix64","followers_url":"https://api.github.com/users/pix64/followers","following_url":"https://api.github.com/users/pix64/following{/other_user}","gists_url":"https://api.github.com/users/pix64/gists{/gist_id}","starred_url":"https://api.github.com/users/pix64/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/pix64/subscriptions","organizations_url":"https://api.github.com/users/pix64/orgs","repos_url":"https://api.github.com/users/pix64/repos","events_url":"https://api.github.com/users/pix64/events{/privacy}","received_events_url":"https://api.github.com/users/pix64/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":1,"created_at":"2016-03-05T05:17:13Z","updated_at":"2016-03-05T05:18:50Z","closed_at":null,"body":"Ubuntu 15.10\r\nNvidia Geforce 960 (nvidia-352-updates)\r\n\r\n    ./mach run -d -w tests/html/about-mozilla.html\r\n    thread 'LayoutThread PipelineId { namespace_id: PipelineNamespaceId(0), index: PipelineIndex(0) }' panicked at 'assertion failed: thread::panicking() || result == 0', /home/q/servo/.cargo/git/checkouts/ipc-channel-3840821e54ea11a6/master/platform/linux/mod.rs:552\r\n    stack backtrace:\r\n       1:     0x55eeda2b25b0 - sys::backtrace::tracing::imp::write::hb39adb9cc1dae4a9Nyu\r\n       2:     0x55eeda2b696b - panicking::default_handler::_$u7b$$u7b$closure$u7d$$u7d$::closure.43683\r\n       3:     0x55eeda2b65d8 - panicking::default_handler::hced6c0d85eb2cb83bez\r\n       4:     0x55eeda2a011c - sys_common::unwind::begin_unwind_inner::hafb014b2dc8828386mt\r\n       5:     0x55eed997dc97 - sys_common::unwind::begin_unwind::h3981511077602261715\r\n                            at ../src/libstd/sys/common/unwind/mod.rs:236\r\n       6:     0x55eed99707a0 - platform::linux::UnixSharedMemory.Drop::drop::he3cbc58fa2913915Inb\r\n                            at /home/q/servo/components/servo/<std macros>:3\r\n       7:     0x55eed99706ac - platform..linux..UnixSharedMemory::drop.16536::h2fbfb2eff1ce5260\r\n       8:     0x55eed9971c6a - vec::Vec<T>.Drop::drop::h14559746598942533666\r\n                            at ../src/libcollections/vec.rs:1434\r\n       9:     0x55eed9971b5d - collections..vec..Vec<platform..linux..UnixSharedMemory>::drop.16596::h1844034cb1ca11bd\r\n      10:     0x55eed997e16b - platform::linux::UnixSender::send::hb6151998f7c6a61dVSa\r\n                            at /home/q/servo/.cargo/git/checkouts/ipc-channel-3840821e54ea11a6/master/platform/linux/mod.rs:276\r\n      11:     0x55eed95e44b3 - ipc_channel::ipc::IpcSender<T>::send::_$u7b$$u7b$closure$u7d$$u7d$::_$u7b$$u7b$closure$u7d$$u7d$::closure.21606\r\n                            at /home/q/servo/.cargo/git/checkouts/ipc-channel-3840821e54ea11a6/master/ipc.rs:161\r\n      12:     0x55eed95e3d29 - thread::local::LocalKey<T>::with::h14992769333756558184\r\n                            at ../src/libstd/thread/local.rs:211\r\n      13:     0x55eed95e2fc2 - ipc_channel::ipc::IpcSender<T>::send::_$u7b$$u7b$closure$u7d$$u7d$::closure.21482\r\n                            at /home/q/servo/.cargo/git/checkouts/ipc-channel-3840821e54ea11a6/master/ipc.rs:134\r\n      14:     0x55eed95e2edd - thread::local::LocalKey<T>::with::h9109612730885211290\r\n                            at ../src/libstd/thread/local.rs:211\r\n      15:     0x55eed95e1560 - ipc::IpcSender<T>::send::h2470227916375066319\r\n                            at /home/q/servo/.cargo/git/checkouts/ipc-channel-3840821e54ea11a6/master/ipc.rs:133\r\n      16:     0x55eed96296b7 - api::RenderApi::set_root_stacking_context::h9be33631abc116aeuMb\r\n                            at /home/q/servo/.cargo/git/checkouts/webrender_traits-e24a580db67dabe6/master/src/api.rs:165\r\n      17:     0x55eed76aadff - layout_thread::LayoutThread::compute_abs_pos_and_build_display_list::_$u7b$$u7b$closure$u7d$$u7d$::closure.59042\r\n                            at /home/q/servo/components/layout/layout_thread.rs:949\r\n      18:     0x55eed76a9790 - time::profile::h13578303912146539639\r\n                            at /home/q/servo/components/profile_traits/time.rs:101\r\n      19:     0x55eed76a9653 - layout_thread::LayoutThread::compute_abs_pos_and_build_display_list::h840dc750195fa64cR5q\r\n                            at /home/q/servo/components/layout/layout_thread.rs:857\r\n      20:     0x55eed7766374 - layout_thread::LayoutThread::perform_post_main_layout_passes::hc1bde64e12bdee35zBr\r\n                            at /home/q/servo/components/layout/layout_thread.rs:1344\r\n      21:     0x55eed765961a - layout_thread::LayoutThread::perform_post_style_recalc_layout_passes::hbcbfb0e616c86d2bZyr\r\n                            at /home/q/servo/components/layout/layout_thread.rs:1334\r\n      22:     0x55eed765f669 - layout_thread::LayoutThread::handle_reflow::hfef4b1d8bda5e933Rdr\r\n                            at /home/q/servo/components/layout/layout_thread.rs:1117\r\n      23:     0x55eed765d23d - layout_thread::LayoutThread::handle_request_helper::_$u7b$$u7b$closure$u7d$$u7d$::closure.58228\r\n                            at /home/q/servo/components/layout/layout_thread.rs:626\r\n      24:     0x55eed765d111 - time::profile::h10899091634579232299\r\n                            at /home/q/servo/components/profile_traits/time.rs:101\r\n      25:     0x55eed762ba57 - layout_thread::LayoutThread::handle_request_helper::he0274c028f32ab0b3Qq\r\n                            at /home/q/servo/components/layout/layout_thread.rs:623\r\n      26:     0x55eed76030e5 - layout_thread::LayoutThread::handle_request::h501eb4cf71bc2e45sLq\r\n                            at /home/q/servo/components/layout/layout_thread.rs:568\r\n      27:     0x55eed75cb7ca - layout_thread::LayoutThread::start::h5fc9f35315aa08daGJq\r\n                            at /home/q/servo/components/layout/layout_thread.rs:484\r\n      28:     0x55eed75cb617 - layout_thread::LayoutThread.LayoutThreadFactory::create::_$u7b$$u7b$closure$u7d$$u7d$::_$u7b$$u7b$closure$u7d$$u7d$::closure.56137\r\n                            at /home/q/servo/components/layout/layout_thread.rs:279\r\n      29:     0x55eed75c583a - mem::ProfilerChan::run_with_memory_reporting::h3896509538149861009\r\n                            at /home/q/servo/components/profile_traits/mem.rs:60\r\n      30:     0x55eed758f8f7 - layout_thread::LayoutThread.LayoutThreadFactory::create::_$u7b$$u7b$closure$u7d$$u7d$::closure.54443\r\n                            at /home/q/servo/components/layout/layout_thread.rs:278\r\n      31:     0x55eed758ece7 - util::thread::spawn_named_with_send_on_failure::_$u7b$$u7b$closure$u7d$$u7d$::closure.54414\r\n                            at /home/q/servo/components/util/thread.rs:52\r\n      32:     0x55eed758e6d3 - std::thread::Builder::spawn::_$u7b$$u7b$closure$u7d$$u7d$::_$u7b$$u7b$closure$u7d$$u7d$::closure.54403\r\n                            at ../src/libstd/thread/mod.rs:277\r\n      33:     0x55eed758e648 - sys_common::unwind::try::try_fn::h8297635277401578243\r\n                            at ../src/libstd/sys/common/unwind/mod.rs:127\r\n      34:     0x55eeda2b1a1b - __rust_try\r\n      35:     0x55eeda2ae60d - sys_common::unwind::inner_try::hacd4193e6d9e10788jt\r\n      36:     0x55eed758e585 - sys_common::unwind::try::h10120246320459387893\r\n                            at ../src/libstd/sys/common/unwind/mod.rs:123\r\n      37:     0x55eed758e3cb - std::thread::Builder::spawn::_$u7b$$u7b$closure$u7d$$u7d$::closure.54378\r\n                            at ../src/libstd/thread/mod.rs:277\r\n      38:     0x55eed758ef57 - boxed::F.FnBox<A>::call_box::h16227906780044076834\r\n                            at ../src/liballoc/boxed.rs:541\r\n      39:     0x55eeda2b5419 - sys::thread::Thread::new::thread_start::h42fba1e2d4e7a4bevby\r\n      40:     0x7f6b2d26f6a9 - start_thread\r\n      41:     0x7f6b2cd8de9c - clone\r\n      42:                0x0 - <unknown>\r\n    thread 'LayoutWorker worker 3/3' panicked at 'called `Result::unwrap()` on an `Err` value: RecvError', ../src/libcore/result.rs:746\r\n    stack backtrace:\r\n       1:     0x55eeda2b25b0 - sys::backtrace::tracing::imp::write::hb39adb9cc1dae4a9Nyu\r\n       2:     0x55eeda2b696b - panicking::default_handler::_$u7b$$u7b$closure$u7d$$u7d$::closure.43683\r\n       3:     0x55eeda2b65d8 - panicking::default_handler::hced6c0d85eb2cb83bez\r\n       4:     0x55eeda2a011c - sys_common::unwind::begin_unwind_inner::hafb014b2dc8828386mt\r\n       5:     0x55eeda2a05a8 - sys_common::unwind::begin_unwind_fmt::hd671b811c60b4ff4cmt\r\n       6:     0x55eeda2b1a91 - rust_begin_unwind\r\n       7:     0x55eeda2e700f - panicking::panic_fmt::h38cc775b27fedfe3yZL\r\n       8: thread '    0x55eed75de51c - result::unwrap_failedthread '::h17276664976589335055\r\n                            at ../src/libcore/macros.rs:29\r\n       9:     0x55eed75de397 - result::Result<T, E>::unwrap::h13886799979963139299\r\n                           LayoutWorker worker 2/3' panicked at ' at ../src/libcore/result.rscalled `Result::unwrap()` on an `Err` value: RecvError:687', ../src/libcore/result.rs\r\n    :746  10\r\n    :     0x55eed75ddae5 - workqueue::WorkerThread<QueueData, WorkData>::start::h9830568439551155674\r\n                            at /home/q/servo/components/util/workqueue.rs:120\r\n      11:     0x55eed75dd73e - util::workqueue::WorkQueue<QueueData, WorkData>::new::_$u7b$$u7b$closure$u7d$$u7d$::closure.56502\r\n                            at /home/q/servo/components/util/workqueue.rs:295\r\n      12:     0x55eed75dcffd - std::thread::Builder::spawn::_$u7b$$u7b$closure$u7d$$u7d$::_$u7b$$u7b$closure$u7d$$u7d$::closure.56491\r\n                            at ../src/libstd/thread/mod.rs:277\r\n      13:     0x55eed75dcf42 - sys_common::unwind::try::try_fn::h10120164109796625291\r\n                            at ../src/libstd/sys/common/unwind/mod.rs:127\r\n      14:     0x55eeda2b1a1b - __rust_try\r\n      15:     0x55eeda2ae60d - sys_common::unwind::inner_try::hacd4193e6d9e10788jt\r\n      16:     0x55eed75dce8a - sys_common::unwind::try::h12825107655159124394\r\n                            at ../src/libstd/sys/common/unwind/mod.rs:123\r\n      17:     0x55eed75dcc80 - std::thread::Builder::spawn::_$u7b$$u7b$closure$u7d$$u7d$::closure.56488\r\n                            at ../src/libstd/thread/mod.rs:277\r\n      18:     0x55eed75dd971 - boxed::F.FnBox<A>::call_box::h14180486305483369800\r\n                            at ../src/liballoc/boxed.rs:541\r\n      19:     0x55eeda2b5419 - sys::thread::Thread::new::thread_start::h42fba1e2d4e7a4bevby\r\n      20:     0x7f6b2d26f6a9 - start_thread\r\n      21:     0x7f6b2cd8de9c - clone\r\n      22:                0x0 - <unknown>\r\n    thread 'PaintThread PipelineId { namespace_id: PipelineNamespaceId(0), index: PipelineIndex(0) }' panicked at 'called `Result::unwrap()` on an `Err` value: RecvError', ../src/libcore/result.rs:746\r\n    stack backtrace:\r\n       1:     0x55eeda2b25b0 - sys::backtrace::tracingScriptThread PipelineId { namespace_id: PipelineNamespaceId(0), index: PipelineIndex(0) }::imp::' panicked at 'thread 'writecalled `Result::unwrap()` on an `Err` value: \"SendError(..)\"LayoutWorker worker 1/3', ::../src/libcore/result.rshb39adb9cc1dae4a9Nyu' panicked at '\r\n    :called `Result::unwrap()` on an `Err` value: RecvError',    ../src/libcore/result.rs:2: 746\r\n       746\r\n     0x55eeda2b696b - panicking::default_handler::_$u7b$$u7b$closure$u7d$$u7d$::closure.43683\r\n       3:     0x55eeda2b65d8 - panicking::default_handler::hced6c0d85eb2cb83bez\r\n       4:     0x55eeda2a011c - sys_common::unwind::begin_unwind_inner::hafb014b2dc8828386mt\r\n       5:     0x55eeda2a05a8 - sys_common::unwind::begin_unwind_fmt::hd671b811c60b4ff4cmt\r\n       6:     0x55eeda2b1a91 - rust_begin_unwind\r\n       7:     0x55eeda2e700f - panicking::panic_fmt::h38cc775b27fedfe3yZL\r\n       8:     0x55eed8970c9c - result::unwrap_failed::h3859835270578799390\r\n    thread 'Constellation' panicked at 'unable to find pipeline - this is a bug', ../src/libcore/option.rs:704\r\n                            at ../src/libcore/macros.rs:29\r\n       9:     0x55eed8a5366f - result::Result<T, E>::unwrap::h17161755906896695726\r\n                            at ../src/libcore/result.rs:687\r\n      10:     0x55eed8a430ab - paint_thread::PaintThread<C>::start::h15615077849294936932\r\n                            at /home/q/servo/components/servo/<std macros>:462\r\n      11:     0x55eed8a4288c - gfx::paint_thread::PaintThread<C>::create::_$u7b$$u7b$closure$u7d$$u7d$::_$u7b$$u7b$closure$u7d$$u7d$::closure.33959\r\n                            at /home/q/servo/components/gfx/paint_thread.rs:439\r\n      12:     0x55eed8a4013f - mem::ProfilerChan::run_with_memory_reporting::h3287598710353380435\r\n                            at /home/q/servo/components/profile_traits/mem.rs:60\r\n      13:     0x55eed8a2de6e - gfx::paint_thread::PaintThread<C>::create::_$u7b$$u7b$closure$u7d$$u7d$::closure.33420\r\n                            at /home/q/servo/components/gfx/paint_thread.rs:438\r\n      14:     0x55eed8a2d497 - util::thread::spawn_named_with_send_on_failure::_$u7b$$u7b$closure$u7d$$u7d$::closure.33405\r\n                            at /home/q/servo/components/util/thread.rs:52\r\n      15:     0x55eed8a2ce83 - std::thread::Builder::spawn::_$u7b$$u7b$closure$u7d$$u7d$::_$u7b$$u7b$closure$u7d$$u7d$::closure.33394\r\n                            at ../src/libstd/thread/mod.rs:277\r\n      16:     0x55eed8a2cdf8 - sys_common::unwind::try::try_fn::h5006871916880621799\r\n                            at ../src/libstd/sys/common/unwind/mod.rs:127\r\n      17:     0x55eeda2b1a1b - __rust_try\r\n      18:     0x55eeda2ae60d - sys_common::unwind::inner_try::hacd4193e6d9e10788jt\r\n      19:     0x55eed8a2cd35 - sys_common::unwind::try::h17904693213959613685\r\n                            at ../src/libstd/sys/common/unwind/mod.rs:123\r\n      20:     0x55eed8a2cb7b - std::thread::Builder::spawn::_$u7b$$u7b$closure$u7d$$u7d$::closure.33391\r\n                            at ../src/libstd/thread/mod.rs:277\r\n      21:     0x55eed8a2d6a7 - boxed::F.FnBox<A>::call_box::h13590394579363219672\r\n                            at ../src/liballoc/boxed.rs:541\r\n      22:     0x55eeda2b5419 - sys::thread::Thread::new::thread_start::h42fba1e2d4e7a4bevby\r\n      23:     0x7f6b2d26f6a9 - start_thread\r\n      24:     0x7f6b2cd8de9c - clone\r\n      25:                0x0 - <unknown>\r\n    stack backtrace:\r\n       1:     0x55eeda2b25b0 - sys::backtrace::tracingthread 'PaintWorker::imp::' panicked at 'write::hb39adb9cc1dae4a9Nyucalled `Result::unwrap()` on an `Err` value: RecvError', \r\n    ../src/libcore/result.rs:   746\r\n    2:    thread 'thread 'PaintWorker' panicked at 'called `Result::unwrap()` on an `Err` value: RecvError', ../src/libcore/result.rsPaintWorker:' panicked at '746called `Result::unwrap()` on an `Err` value: RecvError\r\n    ', ../src/libcore/result.rs:746\r\n     0x55eeda2b696b - panicking::default_handler::_$u7b$$u7b$closure$u7d$$u7d$::closure.43683\r\n       3:     0x55eeda2b65d8 - panicking::default_handler::hced6c0d85eb2cb83bez\r\n       4:     0x55eeda2a011c - sys_common::unwind::begin_unwind_inner::hafb014b2dc8828386mt\r\n       5:     0x55eeda2a05a8 - sys_common::unwind::begin_unwind_fmt::hd671b811c60b4ff4cmt\r\n       6:     0x55eeda2b1a91 - rust_begin_unwind\r\n       7:     0x55eeda2e700f - panicking::panic_fmt::h38cc775b27fedfe3yZL\r\n       8:     0x55eed75de51c - result::unwrap_failed::h17276664976589335055\r\n                            at ../src/libcore/macros.rs:29\r\n       9:     0x55eed75de397 - result::Result<T, E>::unwrap::h13886799979963139299\r\n                            at ../src/libcore/result.rs:687\r\n      10:     0x55eed75ddae5 - workqueue::WorkerThread<QueueData, WorkData>::start::h9830568439551155674\r\n                            at /home/q/servo/components/util/workqueue.rs:120\r\n      11:     0x55eed75dd73e - util::workqueue::WorkQueue<QueueData, WorkData>::new::_$u7b$$u7b$closure$u7d$$u7d$::closure.56502\r\n                            at /home/q/servo/components/util/workqueue.rs:295\r\n      12:     0x55eed75dcffd - std::thread::Builder::spawn::_$u7b$$u7b$closure$u7d$$u7d$::_$u7b$$u7b$closure$u7d$$u7d$::closure.56491\r\n                            at ../src/libstd/thread/mod.rs:277\r\n      13:     0x55eed75dcf42 - sys_common::unwind::try::try_fn::h10120164109796625291\r\n                            at ../src/libstd/sys/common/unwind/mod.rs:127\r\n      14:     0x55eeda2b1a1b - __rust_try\r\n      15:     0x55eeda2ae60d - sys_common::unwind::inner_try::hacd4193e6d9e10788jt\r\n      16:     0x55eed75dce8a - sys_common::unwind::try::h12825107655159124394\r\n                            at ../src/libstd/sys/common/unwind/mod.rs:123\r\n      17:     0x55eed75dcc80 - std::thread::Builder::spawn::_$u7b$$u7b$closure$u7d$$u7d$::closure.56488\r\n                            at ../src/libstd/thread/mod.rs:277\r\n      18:     0x55eed75dd971 - boxed::F.FnBox<A>::call_box::h14180486305483369800\r\n                            at ../src/liballoc/boxed.rs:541\r\n      19:     0x55eeda2b5419 - sys::thread::Thread::new::thread_start::h42fba1e2d4e7a4bevby\r\n      20:     0x7f6b2d26f6a9 - start_thread\r\n      21:     0x7f6b2cd8de9c - clone\r\n      22:                0x0 - <unknown>\r\n    stack backtrace:\r\n       1:     0x55eeda2b25b0 - sys::backtrace::tracing::imp::write::hb39adb9cc1dae4a9Nyu\r\n       2:     0x55eeda2b696b - panicking::default_handler::_$u7b$$u7b$closure$u7d$$u7d$::closure.43683\r\n       3:     0x55eeda2b65d8 - panicking::default_handler::hced6c0d85eb2cb83bez\r\n       4:     0x55eeda2a011c - sys_common::unwind::begin_unwind_inner::hafb014b2dc8828386mt\r\n       5:     0x55eeda2a05a8 - sys_common::unwind::begin_unwind_fmt::hd671b811c60b4ff4cmt\r\n       6:     0x55eeda2b1a91 - rust_begin_unwind\r\n       7:     0x55eeda2e700f - panicking::panic_fmt::h38cc775b27fedfe3yZL\r\n       8:     0x55eed75de51c - result::unwrap_failed::h17276664976589335055\r\n                            at ../src/libcore/macros.rs:29\r\n       9:     0x55eed75de397 - result::Result<T, E>::unwrap::h13886799979963139299\r\n                            at ../src/libcore/result.rs:687\r\n      10:     0x55eed75ddae5 - workqueue::WorkerThread<QueueData, WorkData>::start::h9830568439551155674\r\n                            at /home/q/servo/components/util/workqueue.rs:120\r\n      11:     0x55eed75dd73e - util::workqueue::WorkQueue<QueueData, WorkData>::new::_$u7b$$u7b$closure$u7d$$u7d$::closure.56502\r\n                            at /home/q/servo/components/util/workqueue.rs:295\r\n      12:     0x55eed75dcffd - std::thread::Builder::spawn::_$u7b$$u7b$closure$u7d$$u7d$::_$u7b$$u7b$closure$u7d$$u7d$::closure.56491\r\n                            at ../src/libstd/thread/mod.rs:277\r\n      13:     0x55eed75dcf42 - sys_common::unwind::try::try_fn::h10120164109796625291\r\n                            at ../src/libstd/sys/common/unwind/mod.rs:127\r\n      14:     0x55eeda2b1a1b - __rust_try\r\n      15:     0x55eeda2ae60d - sys_common::unwind::inner_try::hacd4193e6d9e10788jt\r\n      16:     0x55eed75dce8a - sys_common::unwind::try::h12825107655159124394\r\n                            at ../src/libstd/sys/common/unwind/mod.rs:123\r\n      17:     0x55eed75dcc80 - std::thread::Builder::spawn::_$u7b$$u7b$closure$u7d$$u7d$::closure.56488\r\n                            at ../src/libstd/thread/mod.rs:277\r\n      18:     0x55eed75dd971 - boxed::F.FnBox<A>::call_box::h14180486305483369800\r\n                            at ../src/liballoc/boxed.rs:541\r\n      19:     0x55eeda2b5419 - sys::thread::Thread::new::thread_start::h42fba1e2d4e7a4bevby\r\n      20:     0x7f6b2d26f6a9 - start_thread\r\n      21:     0x7f6b2cd8de9c - clone\r\n      22:                0x0 - <unknown>\r\n    stack backtrace:\r\n       1:     0x55eeda2b25b0 - sys::backtrace::tracing::imp::write::hb39adb9cc1dae4a9Nyu\r\n       2:     0x55eeda2b696b - panicking::default_handler::_$u7b$$u7b$closure$u7d$$u7d$::closure.43683\r\n       3:     0x55eeda2b65d8 - panicking::default_handler::hced6c0d85eb2cb83bez\r\n       4:     0x55eeda2a011c - sys_common::unwind::begin_unwind_inner::hafb014b2dc8828386mt\r\n       5:     0x55eeda2a05a8 - sys_common::unwind::begin_unwind_fmt::hd671b811c60b4ff4cmt\r\n       6:     0x55eeda2b1a91 - rust_begin_unwind\r\n       7:     0x55eeda2e700f - panicking::panic_fmt::h38cc775b27fedfe3yZL\r\n       8:     0x55eed7e97ebc - result::unwrap_failed::h7254014845035353826\r\n                            at ../src/libcore/macros.rs:29\r\n       9:     0x55eed7e97c4c - result::Result<T, E>::unwrap::h3307346881152420897\r\n                            at ../src/libcore/result.rs:687\r\n      10:     0x55eed8189343 - dom::window::Window::force_reflow::hb8e67235bb3f6b92YIh\r\n                            at /home/q/servo/components/script/dom/window.rs:1003\r\n      11:     0x55eed82c2a32 - script_thread::ScriptThread::handle_resize_event::hf66a111ef095fa3cEdo\r\n                            at /home/q/servo/components/script/script_thread.rs:2129\r\n      12:     0x55eed827a96c - script_thread::ScriptThread::handle_event::h571172ba0a349ca4V4n\r\n                            at /home/q/servo/components/script/script_thread.rs:1971\r\n      13:     0x55eed827756d - script_thread::ScriptThread::handle_msgs::hd92d0ea6f388e13dX0m\r\n                            at /home/q/servo/components/script/script_thread.rs:886\r\n      14:     0x55eed82276cc - script_thread::ScriptThread::start::h7c6d62c02896413dN0m\r\n                            at /home/q/servo/components/script/script_thread.rs:857\r\n      15:     0x55eed8227684 - script_thread::ScriptThread.ScriptThreadFactory::create::_$u7b$$u7b$closure$u7d$$u7d$::_$u7b$$u7b$closure$u7d$$u7d$::closure.176949\r\n                            at /home/q/servo/components/script/script_thread.rs:643\r\n      16:     0x55eed822739c - mem::ProfilerChan::run_with_memory_reporting::h14877417913554105492\r\n                            at /home/q/servo/components/profile_traits/mem.rs:60\r\n      17:     0x55eed8211d78 - script_thread::ScriptThread.ScriptThreadFactory::create::_$u7b$$u7b$closure$u7d$$u7d$::closure.176376\r\n                            at /home/q/servo/components/script/script_thread.rs:642\r\n      18:     0x55eed8211357 - util::thread::spawn_named_with_send_on_failure::_$u7b$$u7b$closure$u7d$$u7d$::closure.176363\r\n                            at /home/q/servo/components/util/thread.rs:52\r\n      19:     0x55eed8210d43 - std::thread::Builder::spawn::_$u7b$$u7b$closure$u7d$$u7d$::_$u7b$$u7b$closure$u7d$$u7d$::closure.176352\r\n                            at ../src/libstd/thread/mod.rs:277\r\n      20:     0x55eed8210cb8 - sys_common::unwind::try::try_fn::h3919122908238977926\r\n                            at ../src/libstd/sys/common/unwind/mod.rs:127\r\n      21:     0x55eeda2b1a1b - __rust_try\r\n      22:     0x55eeda2ae60d - sys_common::unwind::inner_try::hacd4193e6d9e10788jt\r\n      23:     0x55eed8210bf5 - sys_common::unwind::try::h4661331800685784729\r\n                            at ../src/libstd/sys/common/unwind/mod.rs:123\r\n      24:     0x55eed8210a3b - std::thread::Builder::spawn::_$u7b$$u7b$closure$u7d$$u7d$::closure.176349\r\n                            at ../src/libstd/thread/mod.rs:277\r\n      25:     0x55eed8211567 - boxed::F.FnBox<A>::call_box::h2479749280397562139\r\n                            at ../src/liballoc/boxed.rs:541\r\n      26:     0x55eeda2b5419 - sys::thread::Thread::new::thread_start::h42fba1e2d4e7a4bevby\r\n      27:     0x7f6b2d26f6a9 - start_thread\r\n      28:     0x7f6b2cd8de9c - clone\r\n      29:                0x0 - <unknown>\r\n    stack backtrace:\r\n       1:     0x55eeda2b25b0 - sys::backtrace::tracing::imp::write::hb39adb9cc1dae4a9Nyu\r\n       2:     0x55eeda2b696b - panicking::default_handler::_$u7b$$u7b$closure$u7d$$u7d$::closure.43683\r\n       3:     0x55eeda2b65d8 - panicking::default_handler::hced6c0d85eb2cb83bez\r\n       4:     0x55eeda2a011c - sys_common::unwind::begin_unwind_inner::hafb014b2dc8828386mt\r\n       5:     0x55eeda2a05a8 - sys_common::unwind::begin_unwind_fmt::hd671b811c60b4ff4cmt\r\n       6:     0x55eeda2b1a91 - rust_begin_unwind\r\n       7:     0x55eeda2e700f - panicking::panic_fmt::h38cc775b27fedfe3yZL\r\n       8:     0x55eeda2ee4b4 - option::expect_failed::ha57e5b16a8276897HtO\r\n       9:     0x55eed72a1cef - option::Option<T>::expect::h11656576514139473509\r\n                            at ../src/libcore/option.rs:298\r\n      10:     0x55eed736c044 - constellation::Constellation<LTF, STF>::handle_failure_msg::h8639806004379292321\r\n                            at /home/q/servo/components/compositing/constellation.rs:1693\r\n                            at /home/q/servo/components/compositing/constellation.rs:786\r\n      11:     0x55eed722d27c - constellation::Constellation<LTF, STF>::handle_request::h5636778584935633080\r\n                            at /home/q/servo/components/compositing/constellation.rs:726\r\n      12:     0x55eed7226e3c - constellation::Constellation<LTF, STF>::run::h13614068300808551778\r\n                            at /home/q/servo/components/compositing/constellation.rs:368\r\n      13:     0x55eed71ff7fa - export::compositing::constellation::Constellation<LTF, STF>::start::_$u7b$$u7b$closure$u7d$$u7d$::closure.24538\r\n                            at /home/q/servo/components/compositing/constellation.rs:361\r\n      14:     0x55eed71fe2d3 - std::thread::Builder::spawn::_$u7b$$u7b$closure$u7d$$u7d$::_$u7b$$u7b$closure$u7d$$u7d$::closure.24527\r\n                            at ../src/libstd/thread/mod.rs:277\r\n      15:     0x55eed71fe248 - sys_common::unwind::try::try_fn::h17500797439042915630\r\n                            at ../src/libstd/sys/common/unwind/mod.rs:127\r\n      16:     0x55eeda2b1a1b - __rust_try\r\n      17:     0x55eeda2ae60d - sys_common::unwind::inner_try::hacd4193e6d9e10788jt\r\n      18:     0x55eed71fe185 - sys_common::unwind::try::h15711203185255802272\r\n                            at ../src/libstd/sys/common/unwind/mod.rs:123\r\n      19:     0x55eed71fdfcb - std::thread::Builder::spawn::_$u7b$$u7b$closure$u7d$$u7d$::closure.24502\r\n                            at ../src/libstd/thread/mod.rs:277\r\n      20:     0x55eed71ffac7 - boxed::F.FnBox<A>::call_box::h14177076403335206893\r\n                            at ../src/liballoc/boxed.rs:541\r\n      21:     0x55eeda2b5419 - sys::thread::Thread::new::thread_start::h42fba1e2d4e7a4bevby\r\n      22:     0x7f6b2d26f6a9 - start_thread\r\n      23:     0x7f6b2cd8de9c - clone\r\n      24:                0x0 - <unknown>\r\n    stack backtrace:\r\n       1:     0x55eeda2b25b0 - sys::backtrace::tracing::imp::write::hb39adb9cc1dae4a9Nyu\r\n       2:     0x55eeda2b696b - panicking::default_handler::_$u7b$$u7b$closure$u7d$$u7d$::closure.43683\r\n       3:     0x55eeda2b65d8 - panicking::default_handler::hced6c0d85eb2cb83bez\r\n       4:     0x55eeda2a011c - sys_common::unwind::begin_unwind_inner::hafb014b2dc8828386mt\r\n       5:     0x55eeda2a05a8 - sys_common::unwind::begin_unwind_fmt::hd671b811c60b4ff4cmt\r\n       6:     0x55eeda2b1a91 - rust_begin_unwind\r\n       7:     0x55eeda2e700f - panicking::panic_fmt::h38cc775b27fedfe3yZL\r\n       8:     0x55eed90084bc - result::unwrap_failed::h13242873189945655021\r\n                            at ../src/libcore/macros.rs:29\r\n       9:     0x55eed900d26c - result::Result<T, E>::unwrap::h10996676727105151795\r\n                            at ../src/libcore/result.rs:687\r\n      10:     0x55eed900414d - paint_thread::WorkerThread::main::h056457840a3381d7k2o\r\n                            at /home/q/servo/components/gfx/paint_thread.rs:708\r\n      11:     0x55eed9003a98 - paint_thread::WorkerThreadProxy::spawn::_$u7b$$u7b$closure$u7d$$u7d$::_$u7b$$u7b$closure$u7d$$u7d$::closure.43687\r\n                            at /home/q/servo/components/gfx/paint_thread.rs:626\r\n      12:     0x55eed900332d - std::thread::Builder::spawn::_$u7b$$u7b$closure$u7d$$u7d$::_$u7b$$u7b$closure$u7d$$u7d$::closure.43676\r\n                            at ../src/libstd/thread/mod.rs:277\r\n      13:     0x55eed9003272 - sys_common::unwind::try::try_fn::h1852684867092155386\r\n                            at ../src/libstd/sys/common/unwind/mod.rs:127\r\n      14:     0x55eeda2b1a1b - __rust_try\r\n      15:     0x55eeda2ae60d - sys_common::unwind::inner_try::hacd4193e6d9e10788jt\r\n      16:     0x55eed90031ba - sys_common::unwind::try::h4506152866795455008\r\n                            at ../src/libstd/sys/common/unwind/mod.rs:123\r\n      17:     0x55eed9002fb0 - std::thread::Builder::spawn::_$u7b$$u7b$closure$u7d$$u7d$::closure.43673\r\n                            at ../src/libstd/thread/mod.rs:277\r\n      18:     0x55eed9003d31 - boxed::F.FnBox<A>::call_box::h2951030834189849642\r\n                            at ../src/liballoc/boxed.rs:541\r\n      19:     0x55eeda2b5419 - sys::thread::Thread::new::thread_start::h42fba1e2d4e7a4bevby\r\n      20:     0x7f6b2d26f6a9 - start_thread\r\n      21:     0x7f6b2cd8de9c - clone\r\n      22:                0x0 - <unknown>\r\n    stack backtrace:\r\n       1:     0x55eeda2b25b0 - sys::backtrace::tracing::imp::write::hb39adb9cc1dae4a9Nyu\r\n       2:     0x55eeda2b696b - panicking::default_handler::_$u7b$$u7b$closure$u7d$$u7d$::closure.43683\r\n       3:     0x55eeda2b65d8 - panicking::default_handler::hced6c0d85eb2cb83bez\r\n       4:     0x55eeda2a011c - sys_common::unwind::begin_unwind_inner::hafb014b2dc8828386mt\r\n       5:     0x55eeda2a05a8 - sys_common::unwind::begin_unwind_fmt::hd671b811c60b4ff4cmt\r\n       6:     0x55eeda2b1a91 - rust_begin_unwind\r\n       7:     0x55eeda2e700f - panicking::panic_fmt::h38cc775b27fedfe3yZL\r\n       8:     0x55eed90084bc - result::unwrap_failed::h13242873189945655021\r\n                            at ../src/libcore/macros.rs:29\r\n       9:     0x55eed900d26c - result::Result<T, E>::unwrap::h10996676727105151795\r\n                            at ../src/libcore/result.rs:687\r\n      10:     0x55eed900414d - paint_thread::WorkerThread::main::h056457840a3381d7k2o\r\n                            at /home/q/servo/components/gfx/paint_thread.rs:708\r\n      11:     0x55eed9003a98 - paint_thread::WorkerThreadProxy::spawn::_$u7b$$u7b$closure$u7d$$u7d$::_$u7b$$u7b$closure$u7d$$u7d$::closure.43687\r\n                            at /home/q/servo/components/gfx/paint_thread.rs:626\r\n      12:     0x55eed900332d - std::thread::Builder::spawn::_$u7b$$u7b$closure$u7d$$u7d$::_$u7b$$u7b$closure$u7d$$u7d$::closure.43676\r\n                            at ../src/libstd/thread/mod.rs:277\r\n      13:     0x55eed9003272 - sys_common::unwind::try::try_fn::h1852684867092155386\r\n                            at ../src/libstd/sys/common/unwind/mod.rs:127\r\n      14:     0x55eeda2b1a1b - __rust_try\r\n      15:     0x55eeda2ae60d - sys_common::unwind::inner_try::hacd4193e6d9e10788jt\r\n      16:     0x55eed90031ba - sys_common::unwind::try::h4506152866795455008\r\n                            at ../src/libstd/sys/common/unwind/mod.rs:123\r\n      17:     0x55eed9002fb0 - std::thread::Builder::spawn::_$u7b$$u7b$closure$u7d$$u7d$::closure.43673\r\n                            at ../src/libstd/thread/mod.rs:277\r\n      18:     0x55eed9003d31 - boxed::F.FnBox<A>::call_box::h2951030834189849642\r\n                            at ../src/liballoc/boxed.rs:541\r\n      19:     0x55eeda2b5419 - sys::thread::Thread::new::thread_start::h42fba1e2d4e7a4bevby\r\n      20:     0x7f6b2d26f6a9 - start_thread\r\n      21:     0x7f6b2cd8de9c - clone\r\n      22:                0x0 - <unknown>\r\n    stack backtrace:\r\n       1:     0x55eeda2b25b0 - sys::backtrace::tracing::imp::write::hb39adb9cc1dae4a9Nyu\r\n       2:     0x55eeda2b696b - panicking::default_handler::_$u7b$$u7b$closure$u7d$$u7d$::closure.43683\r\n       3:     0x55eeda2b65d8 - panicking::default_handler::hced6c0d85eb2cb83bez\r\n       4:     0x55eeda2a011c - sys_common::unwind::begin_unwind_inner::hafb014b2dc8828386mt\r\n       5:     0x55eeda2a05a8 - sys_common::unwind::begin_unwind_fmt::hd671b811c60b4ff4cmt\r\n       6:     0x55eeda2b1a91 - rust_begin_unwind\r\n       7:     0x55eeda2e700f - panicking::panic_fmt::h38cc775b27fedfe3yZL\r\n       8:     0x55eed90084bc - result::unwrap_failed::h13242873189945655021\r\n                            at ../src/libcore/macros.rs:29\r\n       9:     0x55eed900d26c - result::Result<T, E>::unwrap::h10996676727105151795\r\n                            at ../src/libcore/result.rs:687\r\n      10:     0x55eed900414d - paint_thread::WorkerThread::main::h056457840a3381d7k2o\r\n                            at /home/q/servo/components/gfx/paint_thread.rs:708\r\n      11:     0x55eed9003a98 - paint_thread::WorkerThreadProxy::spawn::_$u7b$$u7b$closure$u7d$$u7d$::_$u7b$$u7b$closure$u7d$$u7d$::closure.43687\r\n                            at /home/q/servo/components/gfx/paint_thread.rs:626\r\n      12:     0x55eed900332d - std::thread::Builder::spawn::_$u7b$$u7b$closure$u7d$$u7d$::_$u7b$$u7b$closure$u7d$$u7d$::closure.43676\r\n                            at ../src/libstd/thread/mod.rs:277\r\n      13:     0x55eed9003272 - sys_common::unwind::try::try_fn::h1852684867092155386\r\n                            at ../src/libstd/sys/common/unwind/mod.rs:127\r\n      14:     0x55eeda2b1a1b - __rust_try\r\n      15:     0x55eeda2ae60d - sys_common::unwind::inner_try::hacd4193e6d9e10788jt\r\n      16:     0x55eed90031ba - sys_common::unwind::try::h4506152866795455008\r\n                            at ../src/libstd/sys/common/unwind/mod.rs:123\r\n      17:     0x55eed9002fb0 - std::thread::Builder::spawn::_$u7b$$u7b$closure$u7d$$u7d$::closure.43673\r\n                            at ../src/libstd/thread/mod.rs:277\r\n      18:     0x55eed9003d31 - boxed::F.FnBox<A>::call_box::h2951030834189849642\r\n                            at ../src/liballoc/boxed.rs:541\r\n      19:     0x55eeda2b5419 - sys::thread::Thread::new::thread_start::h42fba1e2d4e7a4bevby\r\n      20:     0x7f6b2d26f6a9 - start_thread\r\n      21:     0x7f6b2cd8de9c - clone\r\n      22:                0x0 - <unknown>\r\n    thread '<main>' panicked at 'called `Result::unwrap()` on an `Err` value: \"SendError(..)\"', ../src/libcore/result.rs:746\r\n    stack backtrace:\r\n       1:     0x55eeda2b25b0 - sys::backtrace::tracing::imp::write::hb39adb9cc1dae4a9Nyu\r\n       2:     0x55eeda2b696b - panicking::default_handler::_$u7b$$u7b$closure$u7d$$u7d$::closure.43683\r\n       3:     0x55eeda2b65d8 - panicking::default_handler::hced6c0d85eb2cb83bez\r\n       4:     0x55eeda2a011c - sys_common::unwind::begin_unwind_inner::hafb014b2dc8828386mt\r\n       5:     0x55eeda2a05a8 - sys_common::unwind::begin_unwind_fmt::hd671b811c60b4ff4cmt\r\n       6:     0x55eeda2b1a91 - rust_begin_unwind\r\n       7:     0x55eeda2e700f - panicking::panic_fmt::h38cc775b27fedfe3yZL\r\n       8:     0x55eed70becb0 - result::unwrap_failed::h6158476130754950947\r\n                            at ../src/libcore/macros.rs:29\r\n       9:     0x55eed70bea3c - result::Result<T, E>::unwrap::h13835647889174628430\r\n                            at ../src/libcore/result.rs:687\r\n      10:     0x55eed70cc5c6 - compositor::IOCompositor<Window>::start_shutting_down::h7495533526328113778\r\n                            at /home/q/servo/components/compositing/compositor.rs:457\r\n      11:     0x55eed717528b - compositor::IOCompositor<Window>::handle_window_message::h3787275439644866762\r\n                            at /home/q/servo/components/compositing/compositor.rs:1214\r\n      12:     0x55eed70c14d5 - compositor::IOCompositor<Window>.CompositorEventListener::handle_events::h1021810529576977568\r\n                            at /home/q/servo/components/compositing/compositor.rs:2262\r\n      13:     0x55eed718aca4 - Browser::handle_events::h9cec651a83a393e9ifa\r\n                            at /home/q/servo/components/servo/lib.rs:218\r\n      14:     0x55eed7067252 - main::h8517eb49d15e90fbNaa\r\n                            at /home/q/servo/components/servo/main.rs:100\r\n      15:     0x55eeda2b6234 - sys_common::unwind::try::try_fn::h10253683436607047365\r\n      16:     0x55eeda2b1a1b - __rust_try\r\n      17:     0x55eeda2b5ccb - rt::lang_start::h93379fbffda56b55h6y\r\n      18:     0x55eed717d4f9 - main\r\n      19:     0x7f6b2cca7a3f - __libc_start_main\r\n      20:     0x55eed702e298 - _start\r\n      21:                0x0 - <unknown>\r\n    Servo exited with return value 101\r\n    \r\n"},"comment":{"url":"https://api.github.com/repos/servo/servo/issues/comments/192578365","html_url":"https://github.com/servo/servo/issues/9882#issuecomment-192578365","issue_url":"https://api.github.com/repos/servo/servo/issues/9882","id":192578365,"user":{"login":"glennw","id":2350882,"avatar_url":"https://avatars.githubusercontent.com/u/2350882?v=3","gravatar_id":"","url":"https://api.github.com/users/glennw","html_url":"https://github.com/glennw","followers_url":"https://api.github.com/users/glennw/followers","following_url":"https://api.github.com/users/glennw/following{/other_user}","gists_url":"https://api.github.com/users/glennw/gists{/gist_id}","starred_url":"https://api.github.com/users/glennw/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/glennw/subscriptions","organizations_url":"https://api.github.com/users/glennw/orgs","repos_url":"https://api.github.com/users/glennw/repos","events_url":"https://api.github.com/users/glennw/events{/privacy}","received_events_url":"https://api.github.com/users/glennw/received_events","type":"User","site_admin":false},"created_at":"2016-03-05T05:18:50Z","updated_at":"2016-03-05T05:18:50Z","body":"There was a bug in ipc-channel on Linux which is exposed by WR - it has been fixed here https://github.com/servo/ipc-channel/commit/32a4ee4a3076c25a43c20bf650bee04d8fa0e428 - but needs a PR to servo to update ipc-channel.\r\n"}}