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Re: [Discuss-gnuradio] make test passes, but Linux kernel log says "unde


From: Tom Rondeau
Subject: Re: [Discuss-gnuradio] make test passes, but Linux kernel log says "undefined instruction"
Date: Tue, 2 Jul 2013 17:51:25 -0400

On Tue, Jul 2, 2013 at 3:59 PM, Monahan-Mitchell, Tim
<address@hidden> wrote:
>> But this happens each time python does "from gnuradio import gr_unittest":
>> <6>[  390.919792] python (1771): undefined instruction: pc=42a9c328 <6>[  
>> 390.919822] Code: 00000000 00000000 f26ee1fe e12fff1e (ee190f1d)
>
> A "final" update, just to close my own thread.
>
> Case 1: It happens during "cmake ../" for gnuradio. It's caused because 
> python imports "hashlib", which in turn imports "_hashlib". Manually enter 
> python and "import _hashlib" triggers the kernel log above.
>
> Case 2: The situation above ("from gnuradio import gr_unittest") boils down 
> to an import of _ssl. Same thing, a manual import of _ssl in python triggers 
> the same.
>
> Using sys.modules.values() in python to see the libraries loaded for each 
> case, and then ldd to see the dependent libraries, there are 7 in common 
> between _hashlib and _ssl. The one I most suspect is libcrypto.so 
> (/lib/arm-linux-gnueabihf/libcrypto.so.1.0.0), which is the only one of the 7 
> that didn't come from the Ubuntu Core I am using 
> (ubuntu-core-13.04-core-armhf). I believe it was installed as a dependency of 
> installing git (which installed libssl.so.1.0.0).
>
> My conclusion: maybe this is something to report to Ubuntu Core maintainers.

Tim,

That's good news. Thanks for following up on it. This definitely
doesn't seem like it's an issue with GNU Radio at this point.

Tom



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