Forum Discussion

alexislms's avatar
alexislms
Icon for Contributor rankContributor
4 years ago

Error(18948): Error message received from device: Internal error. (Subcode 0x001A, Info 0x00000000,

Same question: https://community.intel.com/t5/Intel-Quartus-Prime-Software/Error-18948-Error-message-received-from-device-Detected/td-p/1272326?profile.language=de While programming the design, ...
YuanLi_S_Intel's avatar
YuanLi_S_Intel
Icon for Regular Contributor rankRegular Contributor
4 years ago

You need to make sure all the refclk is running if you are using any of the IP stated in the KDB. You may also try to remove them in the design and you wont be able to see the error in programmer anymore.


  • alexislms's avatar
    alexislms
    Icon for Contributor rankContributor
    4 years ago

    Hi@YuanLi_S_Intel,

    @YuanLi_S_Intel wrote:

    You need to make sure all the refclk is running if you are using any of the IP stated in the KDB. You may also try to remove them in the design and you wont be able to see the error in programmer anymore.

    Is it a serious solution? Are you suggesting me to stop using transceivers of the FPGA chip?

    This had nothing to do with any free-running refclk.

    The problem comes from a global assignment used in the example design projects provided in the archive of the Agilex I-series devkit and present in the F-tile user-guide. 

    #Global setting: in user-guide 2.2. Bias Temperature Instability (BTI) Protection Mode
set_global_assignment -name PRESERVE_UNUSED_XCVR_CHANNEL ON

    Removing the line worked. However it seems I shouldn't do that.

    You should add a mention of it on this page: https://www.intel.com/content/www/us/en/support/programmable/articles/000086828.html

    Let me know if I can safely remove this line for the I-series devkit with several unused F-tiles and R-tiles.

    Regards,