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  1. PROFINET IO-Controller
  2. PSPNM-715

DPM Input Area overwritten by Output DMA if Provider IOPS enabled

          Details

          • Type: Bug
          • Status: Closed
          • Priority: Major
          • Resolution: Fixed
          • Affects Version/s: None
          • Fix Version/s: V2.7.0.900
          • Component/s: None
          • Labels:
            None
          • Account:
            SPC Profinet Master (SPCPROFINETMA)

            Description

            When DMA Operation is enabled and the Profinet Controller Firmware is configured to use Provider IOPS, an invalid length for the DMA Transfer is calculated. As a result, the DPM Input Area might be overwritten with values from Host memory by the Output DMA Transfer. As a result invalid input process data might be passed to the host application.

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                Bug - A problem which impairs or prevents the functions of the product. PSPNM-713 DPM Input Area overwritten by Output DMA if Provider IOPS enabled

                • Major - Major loss of function.
                • Closed
                relates to

                Bug - A problem which impairs or prevents the functions of the product. PSPNM-716 last IOPS byte for output data (biggest DPM offset) not transfered to network if DMA is used

                • Minor - Minor loss of function, or other problem where easy workaround is present.
                • Closed

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                        • Reporter:
                          AMesser Andreas Messer
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                          Dates

                          • Created:
                            Updated:
                            Resolved: