[pulseaudio-tickets] [Bug 94316] Program terminated with signal , SIGBUS Aborted.

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=94316

--- Comment #2 from duanshitao <duantao0406 at 163.com> ---
Thanks for your help. But it doesn't work.
If the problem is caused by the module-null-sink. From the attachment, We can
see that, the module-null-sink was loaded,but can not found any data for
key:sink:auto_null in the database. And I have tried to remove the
module-null-sink from the default.pa, then the SIGBUS will no longer appeared,
other error will appeared.

在 2016-02-27 18:41:45，bugzilla-daemon at freedesktop.org 写道：


Comment # 1 on bug 94316 from Tanu Kaskinen
What do you mean when you say you ported pulseaudio to arm? Pulseaudio should
work on arm out-of-the-box.

After reading up on what SIGBUS might indicate, one possible cause for this
crash might be unaligned memory access. This will make alignment issues to
become invisible (with performance cost):

    echo 2 > /proc/cpu/alignment

Does that command appear to "fix" this crash? I hope it does, but in any case,
switch the alignment configuration back to 5 (or whatever was the original
value) and get a backtrace with gdb of the crash. A backtrace is needed for
further debugging.

You can read more about the kernel's alignment error handling configuration
here: https://www.kernel.org/doc/Documentation/arm/mem_alignment
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