Re: [Discuss-gnuradio] Error -- intel_do_flush_locked with V3.6.1git on Ubuntu 12.04

[Andrew Davis]

> intel_do_flush_locked failed: Invalid argument

This is a problem with Intel graphics drivers.

Switching to a software graphics stack ( Mesa ) worked for me.

On Tue, Jun 5, 2012 at 10:48 AM, Alexandru Csete <address@hidden> wrote:
> On Tue, Jun 5, 2012 at 4:39 PM, Michael Hartje
> <address@hidden> wrote:
>> Hello list readers,
>>
>> i tried to install on fresh LinuxMInt13 (a version of Ubuntu 12.04) to
>> compile and install with the build_gnuradio-script the new 3.6.1git
>> version out of the git archives. (not josh)
>>
>> it seems to me a good idea to add the prereqs liborc-0.4-dev.
>
> That wouldn't work with e.g. Ubuntu 11.04 because it has only orc
> 0.4.11 and both UHD and GNU Radio requires a version strictly greater
> than 0.4.11
>
>
>> This works really fine. Every thing seems to be ok, simple examples did
>> work (i.e. tone generator)
>>
>> But examples with FunCube Dongle or RTL-DVB-TStick showed a "hard" error
>> which closes the the actual running grc-program at start up time..
>>
>> Example: fcd_nbfm_rx.grc gives
>> Using Volk machine: sse2_32_orc
>>>>> gr_fir_fff: using SSE
>> intel_do_flush_locked failed: Invalid argument
>
> I haven't seen this error but I can assure you that the Funcube Dongle
> source will not work on systems with libusb-1.0.9. I will submit a
> patch for that soon - until then stick to the RTL device.
>
> Alex
>
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