confirm 510917de6b2772da55f5f72e5353185919cedca0 hi, STM32 lwip stack issue - frames/not received/processed - FBE error FBE bit 12 -Fatal bus error. STM board used : STMh743 is there any timing problem or a configuration problem with the clock, bus speed or DMA? Environment : 100Mbit/s full duplex ethernet used.
below are the additional information based on the new tests. from the ethernet analyzer , its been found the error occurs at the below occation. 1. time interval <40us ,dataframes sent out and received by STM32h7 board DMACSR FBE error is set.same issue is reported by switch also as error frames. note: the same issue is observed with evaluation board also. 2. if time interval >40us to miliseconds ,dataframes sent out and received by STM32h7 board is received and sent correctly without any errors. -- Sent from: http://lwip.100.n7.nabble.com/lwip-users-f3.html _______________________________________________ lwip-users mailing list lwip-users@nongnu.org https://lists.nongnu.org/mailman/listinfo/lwip-users