Comment 5 for bug 1340349

Revision history for this message
Chow Loong Jin (hyperair) wrote : Re: [Bug 1340349] Re: [Precision WorkStation T3500, Analog Devices AD1984A, Green Headphone Out, Front] equalizer problem

On Fri, Jul 11, 2014 at 12:44:21PM +0800, Chow Loong Jin wrote:
> On Thu, Jul 10, 2014 at 08:39:25PM -0000, Dave wrote:
> > [...]
> > banshee() [0x4b73d8]
> > banshee() [0x50f13b]
> > banshee() [0x423d22]
> > /lib/x86_64-linux-gnu/libpthread.so.0(+0x10340) [0x7fec7761d340]
> > /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstequalizer.so(+0x22e0) [0x7fec36e7a2e0]
> > /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstequalizer.so(+0x2c4f) [0x7fec36e7ac4f]
> > /usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0(+0x33960) [0x7fec64ccb960]
> > /usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0(+0x340a1) [0x7fec64ccc0a1]
> > /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0(+0x60d08) [0x7fec649f4d08]
> > /usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0(+0x342a9) [0x7fec64ccc2a9]
> > /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0(+0x60d08) [0x7fec649f4d08]
> > /usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0(+0x342a9) [0x7fec64ccc2a9]
> > /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0(+0x60d08) [0x7fec649f4d08]
> > /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstcoreelements.so(+0x20eb0) [0x7fec4c99ceb0]
> > /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0(+0x8e549) [0x7fec64a22549]
> > /lib/x86_64-linux-gnu/libglib-2.0.so.0(+0x6e89c) [0x7fec7456689c]
> > /lib/x86_64-linux-gnu/libglib-2.0.so.0(+0x6df15) [0x7fec74565f15]
> > /lib/x86_64-linux-gnu/libpthread.so.0(+0x8182) [0x7fec77615182]
> > /lib/x86_64-linux-gnu/libc.so.6(clone+0x6d) [0x7fec7734230d]
>
> Looks like it's segfaulting due to some gstreamer bug, but I can't tell from
> this stack trace.
>
> > Debug info from gdb:
> >
> > Could not attach to process. If your uid matches the uid of the target
> > process, check the setting of /proc/sys/kernel/yama/ptrace_scope, or try
> > again as the root user. For more details, see /etc/sysctl.d/10-ptrace.conf
> > ptrace: Operation not permitted.
> > No threads.
>
> Please run the following command, and then try again:
>
> sudo sysctl kernel/yama/ptrace_scope=1
>
> This allows Banshee to hook into gdb and get a more detailed stack trace from
> the crash.
>

Oh yeah, please ensure that you have the libgstreamer1.0-0-dbg and libc6-dbg
packages installed before trying the above.

--
Kind regards,
Loong Jin