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Card, Stu stu.card at axenterprize.comCross-posting an inquiry I sent yesterday to discuss-gnuradio; perhaps osmocom-sdr may be a more appropriate venue. ---------- Forwarded message ---------- From: "Card, Stu" <stu.card at axenterprize.com> Date: May 7, 2016 4:08 PM Subject: gr-fosphor: n00b run-time errors with benchmark tool and sink block on AMD APU To: <discuss-gnuradio at gnu.org> Cc: My apologies for this n00b question, but I have not found answers in the > usual places. > > I have carefully followed the instructions at > > http://sdr.osmocom.org/trac/wiki/fosphor > > For building the benchmark tool, I replaced the line > > make LDFLAGS=-L/opt/intel/opencl-1.2-4.5.0.8/lib64 > > with > > make LDFLAGS=-L/opt/AMDAPPSDK-3.0/lib/x86_64/sdk > > for my AMD APU (CPU w/on-chip GPU) hardware > > and > > edited the Makefile to remove "-Werror" from the CFLAGS as otherwise the > warning about cl_create_command_queue being deprecated causes Make to give > up. > > After thus building the benchmark tool, running main yields > > libEGL warning: DRI2: failed to authenticate > [+] Selected device: Devastator > libGL error: No matching fbConfigs or visuals found > libGL error: failed to load driver: swrast > X Error of failed request: BadMatch (invalid parameter attributes) > Major opcode of failed request: 157 (GLX) > Minor opcode of failed request: 5 (X_GLXMakeCurrent) > Serial number of failed request: 30 > Current serial number in output stream: 30C > > Attempting to use the GRC fosphor sink block in a trivial flowgraph (with > a signal source, noise source and add operation, intended to give me a tone > with a noise floor), I get no output until I manually terminate it, and > then in the GRC message pane I see > > libEGL warning: DRI2: failed to find _glapi_get_proc_address > [+] Selected device: Devastator > [!] CL Error (-34, /home/stu/gr-fosphor/lib/fosphor/cl.c:464): Unable to > share waterfall texture into OpenCL context > > The same flowgraph, with the fosphor sink replaced by a QT GUI waterfall > sink, works as expected. > > Any pointers would be greatly appreciated. > > -- > Stu Card <stu.card at axenterprize.com> > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osmocom.org/pipermail/osmocom-sdr/attachments/20160508/d0e0815b/attachment.htm>