I also tried to overwrite the checksum value while installing, But after installation, the version remain same and does not downgrade :
*MJ-MAC:aom_mozilla maheshjena$ sudo python /opt/local/share/uhd/utils/uhd_images_downloader.py -f "uhd-images_003.009.002-release.zip" -c 37081e1e73004bd9e74d7e5b6293fd39* *Images destination: /opt/local/share/uhd/images* *Downloading images from: http://files.ettus.com/binaries/images/uhd-images_003.009.002-release.zip <https://mailtrack.io/trace/link/66000f6388246e0ffe237204260b7d8773b1a705?url=http%3A%2F%2Ffiles.ettus.com%2Fbinaries%2Fimages%2Fuhd-images_003.009.002-release.zip&userId=1883625&signature=a1897b0bc09a6df3>* *Downloading images to: /tmp/tmpKqOoVn/uhd-images_003.009.002-release.zip* *26296 kB / 26296 kB (100%)* *Images successfully installed to: /opt/local/share/uhd/images* *MJ-MAC:aom_mozilla maheshjena$ uhd_usrp_probe --args "addr=192.168.1.187"* *Mac OS; Clang version 9.0.0 (clang-900.0.39.2); Boost_106501; UHD_003.010.003.000-MacPorts-Release* Is there any other way to downgrade the UHD image? Kind Regards, *Mahesh Jena* On Mon, Feb 5, 2018 at 9:04 AM, Mahesh Jena <mj...@pretlist.com> wrote: > Hi Marcus, > Appreciate your response! > > When I use my Linux PC as host, it also has the same issue, so I tried to > implement your suggestion in both MAC and the linux pc. > In both the cases, when I tried to downgrade the UHD image, it says > Checksum failure : > > *shashi@shashi-All-Series /usr/share/gnuradio/examples/digital/ofdm $ sudo > /usr/lib/uhd/utils/uhd_images_downloader.py -f > "uhd-images_003.009.002-release.zip"* > *Images destination: /usr/share/uhd/images* > *Downloading images from: > http://files.ettus.com/binaries/images/uhd-images_003.009.002-release.zip > <https://mailtrack.io/trace/link/66000f6388246e0ffe237204260b7d8773b1a705?url=http%3A%2F%2Ffiles.ettus.com%2Fbinaries%2Fimages%2Fuhd-images_003.009.002-release.zip&userId=1883625&signature=a1897b0bc09a6df3>* > *Downloading images to: > /tmp/tmpLtTlfs/uhd-images_003.009.002-release.zip* > *26296 kB / 26296 kB (100%)* > *Checksum of downloaded file is not correct (not installing - see options > to override)* > *Expected: 8e6e5edab697fa7e3c63c612ba6f79f5* > *Calculated: 37081e1e73004bd9e74d7e5b6293fd39* > *Please try downloading again.* > *If the problem persists, please email the output to: supp...@ettus.com > <supp...@ettus.com>* > *shashi@shashi-All-Series /usr/share/gnuradio/examples/digital/ofdm $ * > > Do you think its expected behavior since the gnuradio version could be not > compatible with this downgraded one? > > Kind Regards, > > *Mahesh Jena* > Mob: +91-9717-999-451 > www.pretlist.com > <https://mailtrack.io/trace/link/c1611c12e5c9a42f0f3455231701d9aca2673b2a?url=http%3A%2F%2Fwww.pretlist.com%2F&userId=1883625&signature=48b5a86420e363c7> > > > On Fri, Feb 2, 2018 at 11:04 PM, Marcus D. Leech via USRP-users < > usrp-users@lists.ettus.com> wrote: > >> On 02/02/2018 01:32 AM, Mahesh Jena via USRP-users wrote: >> >> Hi All, >> >> I have 2 USRP E312 devices, out of which one device is showing >> incompatible FPGA issue with following error: >> >> *uhd_usrp_probe --args "addr=192.168.1.187"* >> >> *Mac OS; Clang version 9.0.0 (clang-900.0.39.2); Boost_106501; >> UHD_003.010.002.000-MacPorts-Release* >> >> >> *-- Detecting internal GPS * >> >> *UHD Error:* >> >> * An error occured making GPSDd interface: RuntimeError: Failed to >> connect to gpsd: can't connect to host/port pair* >> >> *Initializing core control...* >> >> *-- Performing register loopback test... pass* >> >> *Error: RuntimeError: Expected FPGA compatibility number 16.x, but got >> 14.0:* >> >> *The FPGA build is not compatible with the host code build.* >> >> *Please run:* >> >> >> * "/opt/local/lib/uhd/utils/uhd_images_downloader.py"* >> >> However, the other device is working as expected. >> Both the devices have UHD image: *UHD_003.009.002-0-unknown* >> >> Can you please help me with figuring out how to solve the issue with this >> device? >> >> Thanks in advance! >> >> Kind Regards, >> >> >> *Mahesh * >> >> This looks like you're using Network Mode with your E312 from a Mac. The >> version of UHD on your host machine and E3xx MUST be the same when >> using network mode. >> >> If you are going to use network mode with your E3xx (with the proviso >> that network mode is useful only for check-out and low-bandwidth testing), >> then >> downgrade the version of UHD on your Mac to match that on the E312. >> >> >> >> _______________________________________________ >> USRP-users mailing list >> USRP-users@lists.ettus.com >> http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com >> <https://mailtrack.io/trace/link/250f618ca33d0897338a5981d5ac17a7d89902ea?url=http%3A%2F%2Flists.ettus.com%2Fmailman%2Flistinfo%2Fusrp-users_lists.ettus.com&userId=1883625&signature=163e751e5786cb80> >> >> > -- *DISCLAIMER* THIS MESSAGE, TOGETHER WITH ANY ATTACHMENTS, IS CONFIDENTIAL, IS INTENDED ONLY FOR THE USE OF THE ADDRESSEE(S), AND MAY HAVE INFORMATION THAT IS COVERED BY LEGAL, PROFESSIONAL OR OTHER PRIVILEGE. 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