** Changed in: gtk
Status: New => Fix Released
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https://bugs.launchpad.net/bugs/1262380
Title:
gtk+3.0 FTBFS on ppc64el
Status in GTK+ GUI Toolkit:
Fix Released
Status in “gtk+3.0” package in Ubuntu:
Fix Released
Bug description:
gtk+3.0 fails to build on ppc64el with a test suite failure in the
gtkbuilder tests:
$ cd gtk+3.0-3.10.6/debian/build/shared/testsuite/gtk
$ Xvfb -ac -noreset -screen 0 1024x768x16 :0 -nolisten tcp -auth &
$ export DISPLAY=:0.0
$ ./builder
/Builder/Parser: OK
/Builder/Types: OK
/Builder/Construct-Only Properties: OK
/Builder/Children: OK
/Builder/Child Properties: OK
/Builder/Object Properties: OK
/Builder/Notebook: OK
/Builder/Domain: OK
/Builder/Signal Autoconnect: Segmentation fault
$
gdb shows some kind of corrupted backtrace (the calling function is
test_connect_signals(), not test_gmenu()):
(gdb) bt
#0 0x00003fffb7deeab8 in gtk_window_get_type ()
at /home/buildd/stage1/gtk+3.0-3.10.6/./gtk/gtkwindow.c:552
#1 0x000000001000c8dc in signal_normal (window=<optimized out>, spec=...)
at /home/buildd/stage1/gtk+3.0-3.10.6/./testsuite/gtk/builder.c:145
#2 0x00003fffb76c79b0 in g_cclosure_marshal_VOID__PARAM ()
from /usr/lib/powerpc64le-linux-gnu/libgobject-2.0.so.0
#3 0x000000001000c8a0 in test_gmenu ()
at /home/buildd/stage1/gtk+3.0-3.10.6/./testsuite/gtk/builder.c:2605
#4 0x626f3c20203e6563 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)
(gdb)
A clean backtrace immediately before the segfault looks like:
#0 signal_normal (window=<optimized out>, spec=...)
at /home/buildd/stage1/gtk+3.0-3.10.6/./testsuite/gtk/builder.c:144
#1 0x00003fffb76c7b30 in g_cclosure_marshal_VOID__PARAM (closure=0x100997a0,
return_value=<optimized out>, n_param_values=<optimized out>,
param_values=0x3fffffffe630, invocation_hint=<optimized out>,
marshal_data=0x0) at
/build/buildd/glib2.0-2.39.2/./gobject/gmarshal.c:1042
#2 0x00003fffb76c3678 in g_closure_invoke (closure=0x100997a0,
return_value=0x0, n_param_values=<optimized out>,
param_values=0x3fffffffe630, invocation_hint=0x3fffffffe528)
at /build/buildd/glib2.0-2.39.2/./gobject/gclosure.c:777
#3 0x00003fffb76dec78 in signal_emit_unlocked_R (node=0x1004ca20, detail=457,
instance=0x10200ff0, emission_return=0x0,
instance_and_params=0x3fffffffe630)
at /build/buildd/glib2.0-2.39.2/./gobject/gsignal.c:3556
#4 0x00003fffb76e7fc4 in g_signal_emit_valist (instance=0x10200ff0,
signal_id=<optimized out>, detail=<optimized out>,
var_args=0x3fffffffe800 "\003")
at /build/buildd/glib2.0-2.39.2/./gobject/gsignal.c:3312
#5 0x00003fffb76e8240 in g_signal_emit (instance=<optimized out>,
signal_id=<optimized out>, detail=<optimized out>)
at /build/buildd/glib2.0-2.39.2/./gobject/gsignal.c:3368
#6 0x00003fffb76c9e2c in g_object_dispatch_properties_changed (
object=0x10200ff0, n_pspecs=<optimized out>, pspecs=<optimized out>)
at /build/buildd/glib2.0-2.39.2/./gobject/gobject.c:1046
#7 0x00003fffb76cd864 in g_object_notify_by_spec_internal (
pspec=<optimized out>, object=0x10200ff0)
at /build/buildd/glib2.0-2.39.2/./gobject/gobject.c:1140
#8 g_object_notify (object=0x10200ff0, property_name=<optimized out>)
at /build/buildd/glib2.0-2.39.2/./gobject/gobject.c:1187
#9 0x00003fffb7df00d4 in gtk_window_set_title_internal (window=0x10200ff0,
title=<optimized out>, update_titlebar=<optimized out>)
at /home/buildd/stage1/gtk+3.0-3.10.6/./gtk/gtkwindow.c:1807
#10 0x00000000100080a8 in test_connect_signals ()
at /home/buildd/stage1/gtk+3.0-3.10.6/./testsuite/gtk/builder.c:260
#11 0x00003fffb7617ce8 in test_case_run (tc=0x10053a70)
at /build/buildd/glib2.0-2.39.2/./glib/gtestutils.c:2088
#12 g_test_run_suite_internal (suite=0x10048ae0, path=0x3fffb769aa68 "")
at /build/buildd/glib2.0-2.39.2/./glib/gtestutils.c:2148
#13 0x00003fffb7617f08 in g_test_run_suite_internal (suite=0x10048ac0,
path=0x3fffb769aa68 "")
at /build/buildd/glib2.0-2.39.2/./glib/gtestutils.c:2159
#14 0x00003fffb761840c in g_test_run_suite (suite=0x10048ac0)
at /build/buildd/glib2.0-2.39.2/./glib/gtestutils.c:2210
#15 0x00003fffb7618480 in g_test_run ()
at /build/buildd/glib2.0-2.39.2/./glib/gtestutils.c:1526
#16 0x0000000010003ed4 in main (argc=1, argv=0x3ffffffff638)
at /home/buildd/stage1/gtk+3.0-3.10.6/./testsuite/gtk/builder.c:2781
(gdb)
Stepping through with gdb also shows signal_normal() being entered
twice in response to the first gtk_window_set_title() call, even
though it should only be called once.
This problem was not evident in the initial bootstrap of gtk+3.0, but
now is reproducible on both the launchpad builders and the porter
system. It could be due to a kernel upgrade after the initial
bootstrap, we're not sure.
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