Re: [Discuss-gnuradio] Ubuntu 12.04 B100 issues

[Josh Blum]

On 08/04/2012 01:16 PM, Stephen wrote:
> 
> 
> On 8/3/2012 4:00 AM, bmod wrote:
>> Hi,
>>
>> Is anyone successfully using a B100 with Ubuntu 12.04? I rebuilt a
>> system recently and now I am continually getting seg faults and "Got a
>> data packet with unknown SID" errors on my Z77 based Ubuntu system.
>>
> 
> I'm using 12.04. It works fine for me. The only real change I made from
> the baseline 12.04 is I changed my desktop environment to XFCE. I use
> the build-gnuradio script to build everything
> 
> http://www.sbrac.org/files/build-gnuradio
> 
> I do get the unknown SID error but only when my application crashes. But
> that has always been due to a problem with my application.
> 

Thats a good point. I'm always second guessing myself :-)

> dmesg shows;
> [ 2722.100287] uhd_fft[6089]: segfault at 220 ip 00007f902ead12db sp
> 00007fff181949c0 error 4 in i965_dri.so[7f902ea66000+c2000]

looks like a graphics related segfault, Unknown SID is a the result of
interpreting junk buffers from the USB. I guess, you can expect bad
things to happen to the other process threads after a segfault

-josh


> stephen
> 
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