Bug#348213: gstreamer0.8-x: Cannot use xv as output correctly
David Schleef
ds at schleef.org
Mon Jan 16 20:39:52 UTC 2006
On Mon, Jan 16, 2006 at 08:36:30PM +0100, Loïc Minier wrote:
> Could the backtrace below be caused by the bug you mentionned? Would
> you like that reassigned and / or forwarded to liboil?
>
> On Tue, Jan 17, 2006, Hongzheng Wang wrote:
> > Program received signal SIGSEGV, Segmentation fault.
> > [Switching to Thread -1230034000 (LWP 11811)]
> > 0xb6bb34f2 in oil_test_check_impl () from /usr/lib/liboil-0.3.so.0
> > (gdb) bt
> > #0 0xb6bb34f2 in oil_test_check_impl () from /usr/lib/liboil-0.3.so.0
> > #1 0xb6cb9f5b in gst_videotestsrc_black ()
> > from /usr/lib/gstreamer-0.8/libgstvideotestsrc.so
> > #2 0xb6cb90df in gst_videotestsrc_smpte ()
> > from /usr/lib/gstreamer-0.8/libgstvideotestsrc.so
> > #3 0xb6cb7da7 in gst_videotestsrc_get_type ()
> > from /usr/lib/gstreamer-0.8/libgstvideotestsrc.so
> > #4 0xb762c3ca in gst_pad_call_get_function ()
> > from /usr/lib/libgstreamer-0.8.so.1
This looks like a lack of debug symbols. gst_videotestsrc_black()
is definitely not calling oil_test_check_impl().
Oh yeah. I forgot to mention. Run the app with the environment
variable OIL_CPU_FLAGS=0. If it still segfaults, it's probably
not a liboil problem. If it doesn't segfault, it likely indicates
a bug in the liboil implementation that is being called in the
non-OIL_CPU_FLAGS=0 case.
dave...
--
David Schleef
Big Kitten LLC (http://www.bigkitten.com/) -- data acquisition on Linux
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