snd_uaudio monitor recording
marcelbonnet at gmail.com
Sun Jul 30 20:46:55 UTC 2017
On 30 July 2017 at 07:56, Hans Petter Selasky <hps at selasky.org> wrote:
> On 07/28/17 15:55, Marcel Bonnet wrote:
>> 2.1 But, when I started YouTube (chromium browser), virtual_oss
>> stopped with a message: Floating point exception . After crash, I had
>> no sound anymore. I had to re run virtual_oss to get system sound
> Can you open the core dump with GDB and get the backtrace?
> Maybe you need to compile virtual_oss with DEBUG from the ports tree.
> I believe this is some kind of low hanging fruit - division by zero.
Is this the repo? https://github.com/hselasky/virtual_oss
Below, is the backtrace.
[@machine tmp #] gdb /usr/local/sbin/virtual_oss virtual_oss.core
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This GDB was configured as "amd64-marcel-freebsd"...
Core was generated by `virtual_oss'.
Program terminated with signal 8, Arithmetic exception.
Reading symbols from /usr/lib/libbluetooth.so.4...done.
Loaded symbols for /usr/lib/libbluetooth.so.4
Reading symbols from /usr/lib/libsdp.so.4...done.
Loaded symbols for /usr/lib/libsdp.so.4
Reading symbols from /usr/lib/libcuse.so.1...done.
Loaded symbols for /usr/lib/libcuse.so.1
Reading symbols from /lib/libthr.so.3...done.
Loaded symbols for /lib/libthr.so.3
Reading symbols from /lib/libm.so.5...done.
Loaded symbols for /lib/libm.so.5
Reading symbols from /usr/local/lib/libsamplerate.so.0...done.
Loaded symbols for /usr/local/lib/libsamplerate.so.0
Reading symbols from /lib/libc.so.7...done.
Loaded symbols for /lib/libc.so.7
Reading symbols from /libexec/ld-elf.so.1...done.
Loaded symbols for /libexec/ld-elf.so.1
#0 0x000000000040969f in vclient_ioctl_oss (pdev=0x801c27000,
fflags=2, cmd=1074548754, peer_data=0x10000) at virtual_main.c:1324
1324 (voss_dsp_samples / div) * pvc->channels *
[New Thread 801c19c00 (LWP 100783/<unknown>)]
[New Thread 801c19700 (LWP 100782/<unknown>)]
[New Thread 801c19200 (LWP 100781/<unknown>)]
[New Thread 801c18d00 (LWP 100780/<unknown>)]
[New Thread 801c18800 (LWP 100779/<unknown>)]
[New Thread 801c18300 (LWP 100778/<unknown>)]
[New Thread 801c17e00 (LWP 100777/<unknown>)]
[New Thread 801c17900 (LWP 100776/<unknown>)]
[New Thread 801c17400 (LWP 100775/<unknown>)]
[New Thread 801c16f00 (LWP 100774/<unknown>)]
[New Thread 801c16a00 (LWP 100773/<unknown>)]
[New Thread 801c16500 (LWP 100772/<unknown>)]
[New Thread 801c16000 (LWP 100579/<unknown>)]
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