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            <b><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - random tab crashes in firefox nightly"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=107384#c4">Comment # 4</a>
              on <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - random tab crashes in firefox nightly"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=107384">bug 107384</a>
              from <span class="vcard"><a class="email" href="mailto:bugs.freedesktop@haasn.xyz" title="Niklas Haas <bugs.freedesktop@haasn.xyz>"> <span class="fn">Niklas Haas</span></a>
</span></b>
        <pre>I've also been getting random tab crashes since a few days ago, mesa git (and I
upgraded to the latest git master HEAD at around the time the issues started
happening), but my backtrace is difference.

(gdb) bt
#0  0x00007f7d1f0c8087 in drm_get_pci_id_for_fd (fd=fd@entry=36,
vendor_id=vendor_id@entry=0x7ffd32efaaa0, chip_id=chip_id@entry=0x7ffd32efaaa4)
at ../mesa-9999/src/loader/loader.c:281
#1  0x00007f7d1f0c86e9 in loader_get_pci_id_for_fd (fd=fd@entry=36,
vendor_id=vendor_id@entry=0x7ffd32efaaa0, chip_id=chip_id@entry=0x7ffd32efaaa4)
at ../mesa-9999/src/loader/loader.c:306
#2  0x00007f7d1f0c7e35 in pipe_loader_drm_probe_fd
(dev=dev@entry=0x7ffd32efaad0, fd=fd@entry=36) at
../mesa-9999/src/gallium/auxiliary/pipe-loader/pipe_loader_drm.c:180
#3  0x00007f7d1f0c7f5f in pipe_loader_drm_probe (devs=devs@entry=0x0,
ndev=ndev@entry=0) at
../mesa-9999/src/gallium/auxiliary/pipe-loader/pipe_loader_drm.c:237
#4  0x00007f7d1f0c750f in pipe_loader_probe (devs=devs@entry=0x0,
ndev=ndev@entry=0) at
../mesa-9999/src/gallium/auxiliary/pipe-loader/pipe_loader.c:65
#5  0x00007f7d1f0c19f8 in clover::platform::platform() () at
../mesa-9999/src/gallium/state_trackers/clover/core/platform.cpp:28
#6  0x00007f7d1f096d66 in __static_initialization_and_destruction_0
(__initialize_p=1, __priority=65535) at
../mesa-9999/src/gallium/state_trackers/clover/api/platform.cpp:145
#7  _GLOBAL__sub_I_platform.cpp(void) () at
../mesa-9999/src/gallium/state_trackers/clover/api/platform.cpp:145
#8  0x00007f7d5496954a in call_init (l=<optimized out>, argc=argc@entry=17,
argv=argv@entry=0x7ffd32efcbd8, env=env@entry=0x7f7d52f15400) at dl-init.c:72
#9  0x00007f7d54969654 in call_init (env=0x7f7d52f15400, argv=0x7ffd32efcbd8,
argc=17, l=<optimized out>) at dl-init.c:30
#10 _dl_init (main_map=main_map@entry=0x7f7d37925000, argc=17,
argv=0x7ffd32efcbd8, env=0x7f7d52f15400) at dl-init.c:119
#11 0x00007f7d5496d8f3 in dl_open_worker (a=a@entry=0x7ffd32efb0d0) at
dl-open.c:511
#12 0x00007f7d53a6694f in __GI__dl_catch_exception
(exception=exception@entry=0x7ffd32efb0b0, operate=operate@entry=0x7f7d5496d550
<dl_open_worker>, args=args@entry=0x7ffd32efb0d0) at dl-error-skeleton.c:196
#13 0x00007f7d5496d187 in _dl_open (file=0x7f7d47ca6e89 "libavcodec.so.58",
mode=-2147483646, caller_dlopen=0x7f7d536ecc73 <PR_LoadLibraryWithFlags+275>,
nsid=<optimized out>, argc=17, argv=0x7ffd32efcbd8, 
    env=0x7f7d52f15400) at dl-open.c:594
#14 0x00007f7d54311fba in dlopen_doit (a=a@entry=0x7ffd32efb320) at dlopen.c:66
#15 0x00007f7d53a6694f in __GI__dl_catch_exception
(exception=exception@entry=0x7ffd32efb2b0, operate=operate@entry=0x7f7d54311f50
<dlopen_doit>, args=args@entry=0x7ffd32efb320) at dl-error-skeleton.c:196
#16 0x00007f7d53a669ef in __GI__dl_catch_error
(objname=objname@entry=0x7f7d52f140b0,
errstring=errstring@entry=0x7f7d52f140b8,
mallocedp=mallocedp@entry=0x7f7d52f140a8, 
    operate=operate@entry=0x7f7d54311f50 <dlopen_doit>,
args=args@entry=0x7ffd32efb320) at dl-error-skeleton.c:215
#17 0x00007f7d5431283d in _dlerror_run (operate=operate@entry=0x7f7d54311f50
<dlopen_doit>, args=args@entry=0x7ffd32efb320) at dlerror.c:162
#18 0x00007f7d54312066 in __dlopen (file=file@entry=0x7f7d47ca6e89
"libavcodec.so.58", mode=<optimized out>) at dlopen.c:87
#19 0x00007f7d536ecc73 in pr_LoadLibraryByPathname (flags=10,
name=0x7f7d47ca6e89 "libavcodec.so.58") at
/usr/src/debug/dev-libs/nspr-4.19/nspr-4.19/nspr/pr/src/linking/prlink.c:803
#20 PR_LoadLibraryWithFlags (libSpec=..., flags=flags@entry=10) at
/usr/src/debug/dev-libs/nspr-4.19/nspr-4.19/nspr/pr/src/linking/prlink.c:418
#21 0x00007f7d45c2d746 in mozilla::FFmpegRuntimeLinker::Init () at
/usr/src/debug/www-client/firefox-61.0-r1/firefox-61.0/dom/media/platforms/ffmpeg/FFmpegRuntimeLinker.cpp:64
#22 0x00007f7d45c2d9df in mozilla::FFmpegRuntimeLinker::Init () at
/usr/src/debug/www-client/firefox-61.0-r1/firefox-61.0/dom/media/platforms/ffmpeg/FFmpegRuntimeLinker.cpp:51
#23 0x00007f7d45c037b7 in mozilla::PDMFactoryImpl::PDMFactoryImpl
(this=0x7f7d2dab89f8) at
/usr/src/debug/www-client/firefox-61.0-r1/firefox-61.0/dom/media/platforms/PDMFactory.cpp:76
#24 mozilla::PDMFactory::EnsureInit (this=<optimized out>) at
/usr/src/debug/www-client/firefox-61.0-r1/firefox-61.0/dom/media/platforms/PDMFactory.cpp:188
#25 0x00007f7d45c04510 in mozilla::PDMFactory::PDMFactory (this=0x7f7d2dbe7c70)
at
/usr/src/debug/www-client/firefox-61.0-r1/firefox-61.0/dom/media/platforms/PDMFactory.cpp:168
#26 0x00007f7d45cebc91 in
mozilla::MP4Decoder::IsSupportedType(mozilla::MediaContainerType const&,
mozilla::DecoderDoctorDiagnostics*) [clone .part.299] ()
    at
/usr/src/debug/www-client/firefox-61.0-r1/firefox-61.0/ff/dist/include/mozilla/mozalloc.h:156
#27 0x00007f7d45a47b48 in mozilla::DecoderTraits::IsSupportedType (aType=...)
at
/usr/src/debug/www-client/firefox-61.0-r1/firefox-61.0/dom/media/DecoderTraits.cpp:289
#28 0x00007f7d45a7e936 in mozilla::ChannelMediaDecoder::Create (aInit=...,
aDiagnostics=aDiagnostics@entry=0x7ffd32efb660)
    at
/usr/src/debug/www-client/firefox-61.0-r1/firefox-61.0/dom/media/ChannelMediaDecoder.cpp:213
#29 0x00007f7d459edf7b in
mozilla::dom::HTMLMediaElement::InitializeDecoderForChannel
(this=this@entry=0x7f7d2ed61000, aChannel=<optimized out>, aListener=<optimized
out>)
    at
/usr/src/debug/www-client/firefox-61.0-r1/firefox-61.0/dom/html/HTMLMediaElement.cpp:4891
#30 0x00007f7d459ee44b in
mozilla::dom::HTMLMediaElement::MediaLoadListener::OnStartRequest
(this=0x7f7d377b6ce0, aRequest=0x7f7d37939868, aContext=0x0)
    at
/usr/src/debug/www-client/firefox-61.0-r1/firefox-61.0/ff/dist/include/nsCOMPtr.h:795
#31 0x00007f7d444fcf23 in mozilla::net::HttpChannelChild::DoOnStartRequest
(this=this@entry=0x7f7d37939800, aRequest=aRequest@entry=0x7f7d37939868,
aContext=0x0)
    at
/usr/src/debug/www-client/firefox-61.0-r1/firefox-61.0/netwerk/protocol/http/HttpChannelChild.cpp:744
#32 0x00007f7d444fd4b2 in
mozilla::net::HttpChannelChild::OnStartRequest(nsresult const&,
mozilla::net::nsHttpResponseHead const&, bool const&,
mozilla::net::nsHttpHeaderArray const&,
mozilla::net::ParentLoadInfoForwarderArgs const&, bool const&, bool const&,
unsigned long const&, int const&, unsigned int const&, nsTString<char> const&,
nsTString<char> const&, mozilla::net::NetAddr const&, mozilla::net::NetAddr
const&, unsigned int const&, nsTString<char> const&, long const&,
mozilla::Maybe<mozilla::dom::ServiceWorkerDescriptor> const&, bool const&) ()
    at
/usr/src/debug/www-client/firefox-61.0-r1/firefox-61.0/ff/dist/include/nsCOMPtr.h:1109
#33 0x00007f7d444fd86d in mozilla::net::StartRequestEvent::Run
(this=0x7f7d37c5e3f0) at
/usr/src/debug/www-client/firefox-61.0-r1/firefox-61.0/netwerk/protocol/http/HttpChannelChild.cpp:467
#34 0x00007f7d444fa42d in mozilla::net::ChannelEventQueue::RunOrEnqueue
(aAssertionWhenNotQueued=false, aCallback=<optimized out>, this=0x7f7d2dc12a00)
    at
/usr/src/debug/www-client/firefox-61.0-r1/firefox-61.0/ff/dist/include/mozilla/UniquePtr.h:326
#35 mozilla::net::HttpChannelChild::RecvOnStartRequest(nsresult const&,
mozilla::net::nsHttpResponseHead const&, bool const&,
mozilla::net::nsHttpHeaderArray const&,
mozilla::net::ParentLoadInfoForwarderArgs const&, bool const&, bool const&,
unsigned long const&, int const&, unsigned int const&, nsTString<char> const&,
nsTString<char> const&, mozilla::net::NetAddr const&, mozilla::net::NetAddr
const&, short const&, unsigned int const&, nsTString<char> const&, long const&,
mozilla::dom::OptionalIPCServiceWorkerDescriptor const&, bool const&) ()
    at
/usr/src/debug/www-client/firefox-61.0-r1/firefox-61.0/netwerk/protocol/http/HttpChannelChild.cpp:537
#36 0x00007f7d44728c2f in mozilla::net::PHttpChannelChild::OnMessageReceived
(this=0x7f7d37939800, msg__=...) at
/usr/src/debug/www-client/firefox-61.0-r1/firefox-61.0/ff/ipc/ipdl/PHttpChannelChild.cpp:701
#37 0x00007f7d446c8338 in mozilla::dom::PContentChild::OnMessageReceived
(this=0x7f7d52f71020, msg__=...) at
/usr/src/debug/www-client/firefox-61.0-r1/firefox-61.0/ff/ipc/ipdl/PContentChild.cpp:5316
#38 0x00007f7d44639e7f in
mozilla::ipc::MessageChannel::DispatchAsyncMessage(IPC::Message const&) () at
/usr/src/debug/www-client/firefox-61.0-r1/firefox-61.0/ipc/glue/MessageChannel.cpp:2142
#39 0x00007f7d44640c99 in
mozilla::ipc::MessageChannel::DispatchMessage(IPC::Message&&) () at
/usr/src/debug/www-client/firefox-61.0-r1/firefox-61.0/ipc/glue/MessageChannel.cpp:2072
#40 0x00007f7d44642b2f in
mozilla::ipc::MessageChannel::RunMessage(mozilla::ipc::MessageChannel::MessageTask&)
() at
/usr/src/debug/www-client/firefox-61.0-r1/firefox-61.0/ipc/glue/MessageChannel.cpp:1918
#41 0x00007f7d44642cda in mozilla::ipc::MessageChannel::MessageTask::Run() ()
at
/usr/src/debug/www-client/firefox-61.0-r1/firefox-61.0/ipc/glue/MessageChannel.cpp:1951
#42 0x00007f7d4431731c in mozilla::SchedulerGroup::Runnable::Run() () at
/usr/src/debug/www-client/firefox-61.0-r1/firefox-61.0/ff/dist/include/nsCOMPtr.h:805
#43 0x00007f7d4431a1fe in nsThread::ProcessNextEvent(bool, bool*) () at
/usr/src/debug/www-client/firefox-61.0-r1/firefox-61.0/xpcom/threads/nsThread.cpp:1090
#44 0x00007f7d44323438 in NS_ProcessNextEvent (aThread=<optimized out>,
aThread@entry=0x7f7d52fcbc80, aMayWait=aMayWait@entry=false)
    at
/usr/src/debug/www-client/firefox-61.0-r1/firefox-61.0/xpcom/threads/nsThreadUtils.cpp:519
#45 0x00007f7d4463309a in
mozilla::ipc::MessagePump::Run(base::MessagePump::Delegate*) () at
/usr/src/debug/www-client/firefox-61.0-r1/firefox-61.0/ipc/glue/MessagePump.cpp:97
#46 0x00007f7d4460f774 in MessageLoop::RunInternal (this=<optimized out>) at
/usr/src/debug/www-client/firefox-61.0-r1/firefox-61.0/ff/dist/include/mozilla/RefPtr.h:315
#47 MessageLoop::RunHandler (this=<optimized out>) at
/usr/src/debug/www-client/firefox-61.0-r1/firefox-61.0/ipc/chromium/src/base/message_loop.cc:319
#48 MessageLoop::Run (this=<optimized out>) at
/usr/src/debug/www-client/firefox-61.0-r1/firefox-61.0/ipc/chromium/src/base/message_loop.cc:299
#49 0x00007f7d460e2b98 in nsBaseAppShell::Run (this=0x7f7d3bab8580) at
/usr/src/debug/www-client/firefox-61.0-r1/firefox-61.0/widget/nsBaseAppShell.cpp:157
#50 0x00007f7d46e56477 in XRE_RunAppShell () at
/usr/src/debug/www-client/firefox-61.0-r1/firefox-61.0/toolkit/xre/nsEmbedFunctions.cpp:896
#51 0x00007f7d4460f774 in MessageLoop::RunInternal (this=0x7ffd32efc890) at
/usr/src/debug/www-client/firefox-61.0-r1/firefox-61.0/ff/dist/include/mozilla/RefPtr.h:315
#52 MessageLoop::RunHandler (this=0x7ffd32efc890) at
/usr/src/debug/www-client/firefox-61.0-r1/firefox-61.0/ipc/chromium/src/base/message_loop.cc:319
#53 MessageLoop::Run (this=this@entry=0x7ffd32efc890) at
/usr/src/debug/www-client/firefox-61.0-r1/firefox-61.0/ipc/chromium/src/base/message_loop.cc:299
#54 0x00007f7d46e56971 in XRE_InitChildProcess(int, char**, XREChildData
const*) () at
/usr/src/debug/www-client/firefox-61.0-r1/firefox-61.0/toolkit/xre/nsEmbedFunctions.cpp:722
#55 0x00005579a32fc226 in content_process_main (bootstrap=0x7f7d52f30630,
argc=16, argv=0x7ffd32efcbd8) at
/usr/src/debug/www-client/firefox-61.0-r1/firefox-61.0/ipc/contentproc/plugin-container.cpp:50
#56 0x00005579a32fbd60 in main (argc=17, argv=0x7ffd32efcbd8,
envp=0x7ffd32efcc68) at
/usr/src/debug/www-client/firefox-61.0-r1/firefox-61.0/ff/dist/include/mozilla/UniquePtr.h:326

I'm not sure if the issues are connected, but I can try downgrading to mesa
stable and seeing if the issues still happen. If they don't, I'll attempt
bisecting.</pre>
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