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AR# 18244

6.1 EDK OPB_PCI Bridge - Bridge can lockup during DMA data transfers


General Description: 

When the OPB/PCI bridge is configured with DMA, the bridge can lockup during DMA data transfers from a PCI agent to an OPB slave if an abnormal PCI termination occurs. Abnormal terminations include master aborts (i.e., no target response), SERR, PERR, target abort, and the situation where the requested address is beyond the assigned range.


This is a problem with the version of the IPIF used in the OPB PCI core. This will be fixed in future releases of the core.

AR# 18244
日期 05/16/2014
状态 Archive
Type 综合文章