[Webkit-unassigned] [Bug 198827] New: [GTK] media/video-currentTime-set.html is flaky

Thu Jun 13 06:34:37 PDT 2019

https://bugs.webkit.org/show_bug.cgi?id=198827

            Bug ID: 198827
           Summary: [GTK] media/video-currentTime-set.html is flaky
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKitGTK
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: magomez at igalia.com
                CC: bugs-noreply at webkitgtk.org

media/video-currentTime-set.html [ Timeout Pass Crash ]

Sometimes the test crashes, and many times times out on the first run. When it crashes, this is the relevant crash log:

Thread 1 (Thread 0x7fbafc798700 (LWP 121856)):
#0  0x00007fbc2a3bd7bb in raise () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007fbc2a3a8535 in abort () from /lib/x86_64-linux-gnu/libc.so.6
#2  0x00007fbc2a3a840f in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#3  0x00007fbc2a3b6102 in __assert_fail () from /lib/x86_64-linux-gnu/libc.so.6
#4  0x00007fbc2b1796bb in ?? () from /usr/lib/x86_64-linux-gnu/libX11.so.6
#5  0x00007fbc2b179760 in ?? () from /usr/lib/x86_64-linux-gnu/libX11.so.6
#6  0x00007fbc2b179a5d in _XEventsQueued () from /usr/lib/x86_64-linux-gnu/libX11.so.6
#7  0x00007fbc2b17c7f5 in _XGetRequest () from /usr/lib/x86_64-linux-gnu/libX11.so.6
#8  0x00007fbc2b17c947 in ?? () from /usr/lib/x86_64-linux-gnu/libX11.so.6
#9  0x00007fbc2b17c12e in _XError () from /usr/lib/x86_64-linux-gnu/libX11.so.6
#10 0x00007fbc2ce6be92 in __glXSendErrorForXcb () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/Mesa/src/glx/glx_error.c:81
#11 0x00007fbc2ce68224 in glXCreateContextAttribsARB () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/Mesa/src/glx/create_context.c:119
#12 0x00007fbc2c1621f8 in _create_context_with_flags () at ../../Source/gst-plugins-base-1.16.0/gst-libs/gst/gl/x11/gstglcontext_glx.c:182
#13 gst_gl_context_glx_create_context () at ../../Source/gst-plugins-base-1.16.0/gst-libs/gst/gl/x11/gstglcontext_glx.c:263
#14 0x00007fbc2c13bf3d in gst_gl_context_create_thread () at ../../Source/gst-plugins-base-1.16.0/gst-libs/gst/gl/gstglcontext.c:1238
#15 0x00007fbc2b5a4835 in g_thread_proxy () at ../../Source/glib-2.58.1/glib/gthread.c:784
#16 0x00007fbc2bd9bfa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#17 0x00007fbc2a47f4cf in clone () from /lib/x86_64-linux-gnu/libc.so.6

STDERR: 
STDERR: warning: core file may not match specified executable file.
STDERR: BFD: /usr/lib/debug/.build-id/d3/583c742dd47aaa860c5ae0c0c5bdbcd2d54f61.debug: unable to initialize decompress status for section .debug_aranges
STDERR: BFD: /usr/lib/debug/.build-id/d3/583c742dd47aaa860c5ae0c0c5bdbcd2d54f61.debug: unable to initialize decompress status for section .debug_aranges
STDERR: 
STDERR: warning: File "/usr/lib/debug/.build-id/d3/583c742dd47aaa860c5ae0c0c5bdbcd2d54f61.debug" has no build-id, file skipped
STDERR: BFD: /usr/lib/debug/.build-id/88/5dda4b4a5cea600e7b5b98c1ad86996c8d2299.debug: unable to initialize decompress status for section .debug_aranges
STDERR: BFD: /usr/lib/debug/.build-id/88/5dda4b4a5cea600e7b5b98c1ad86996c8d2299.debug: unable to initialize decompress status for section .debug_aranges
STDERR: 
STDERR: warning: File "/usr/lib/debug/.build-id/88/5dda4b4a5cea600e7b5b98c1ad86996c8d2299.debug" has no build-id, file skipped
STDERR: BFD: /usr/lib/debug/.build-id/18/b9a9a8c523e5cfe5b5d946d605d09242f09798.debug: unable to initialize decompress status for section .debug_aranges
STDERR: BFD: /usr/lib/debug/.build-id/18/b9a9a8c523e5cfe5b5d946d605d09242f09798.debug: unable to initialize decompress status for section .debug_aranges
STDERR: 
STDERR: warning: File "/usr/lib/debug/.build-id/18/b9a9a8c523e5cfe5b5d946d605d09242f09798.debug" has no build-id, file skipped
STDERR: BFD: /usr/lib/debug/.build-id/5d/cf98ad684962be494af28a1051793fd39e4ebc.debug: unable to initialize decompress status for section .debug_aranges
STDERR: BFD: /usr/lib/debug/.build-id/5d/cf98ad684962be494af28a1051793fd39e4ebc.debug: unable to initialize decompress status for section .debug_aranges
STDERR: 
STDERR: warning: File "/usr/lib/debug/.build-id/5d/cf98ad684962be494af28a1051793fd39e4ebc.debug" has no build-id, file skipped
STDERR: BFD: /usr/lib/debug/.build-id/f2/5dfd7b95be4ba386fd71080accae8c0732b711.debug: unable to initialize decompress status for section .debug_aranges
STDERR: BFD: /usr/lib/debug/.build-id/f2/5dfd7b95be4ba386fd71080accae8c0732b711.debug: unable to initialize decompress status for section .debug_aranges
STDERR: 
STDERR: warning: File "/usr/lib/debug/.build-id/f2/5dfd7b95be4ba386fd71080accae8c0732b711.debug" has no build-id, file skipped
STDERR: BFD: /usr/lib/debug/.build-id/02/6c3ba167f64f631eb8781fca2269fbc2ee7ca5.debug: unable to initialize decompress status for section .debug_aranges
STDERR: BFD: /usr/lib/debug/.build-id/02/6c3ba167f64f631eb8781fca2269fbc2ee7ca5.debug: unable to initialize decompress status for section .debug_aranges
STDERR: 
STDERR: warning: File "/usr/lib/debug/.build-id/02/6c3ba167f64f631eb8781fca2269fbc2ee7ca5.debug" has no build-id, file skipped
STDERR: BFD: /usr/lib/debug/.build-id/53/2f3d2053a6b311dd5c43019780fe1ce5503a9a.debug: unable to initialize decompress status for section .debug_aranges
STDERR: BFD: /usr/lib/debug/.build-id/53/2f3d2053a6b311dd5c43019780fe1ce5503a9a.debug: unable to initialize decompress status for section .debug_aranges
STDERR: 
STDERR: warning: File "/usr/lib/debug/.build-id/53/2f3d2053a6b311dd5c43019780fe1ce5503a9a.debug" has no build-id, file skipped
STDERR: BFD: /usr/lib/debug/.build-id/35/7cb2ee0091b7e495a157e07113c0fda3b862bb.debug: unable to initialize decompress status for section .debug_aranges
STDERR: BFD: /usr/lib/debug/.build-id/35/7cb2ee0091b7e495a157e07113c0fda3b862bb.debug: unable to initialize decompress status for section .debug_aranges
STDERR: 
STDERR: warning: File "/usr/lib/debug/.build-id/35/7cb2ee0091b7e495a157e07113c0fda3b862bb.debug" has no build-id, file skipped
STDERR: [xcb] Unknown sequence number while processing queue
STDERR: [xcb] Most likely this is a multi-threaded client and XInitThreads has not been called
STDERR: [xcb] Aborting, sorry about that.
STDERR: WebKitWebProcess: ../../src/xcb_io.c:263: poll_for_event: Assertion `!xcb_xlib_threads_sequence_lost' failed.

and the stderr output

failed to create drawable
Xlib: sequence lost (0x100f1 > 0xf6) in reply type 0x0!

(WebKitWebProcess:123496): Gdk-ERROR **: 02:28:16.649: The program 'WebKitWebProcess' received an X Window System error.
This probably reflects a bug in the program.
The error was 'BadMatch (invalid parameter attributes)'.
  (Details: serial 241 error_code 8 request_code 148 (GLX) minor_code 34)
  (Note to programmers: normally, X errors are reported asynchronously;
   that is, you will receive the error a while after causing it.
   To debug your program, run it with the GDK_SYNCHRONIZE environment
   variable to change this behavior. You can then get a meaningful
   backtrace from your debugger if you break on the gdk_x_error() function.)

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