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OpenWrt Laguna Ethernet Latency Bug Fix

Under certain high load conditions in OpenWrt, using dual-core Laguna products, Ethernet ping latencies could grow to an unacceptable value. After investigation, Gateworks found an SMP race condition as the cause in the CNS3xxx Ethernet driver in Gateworks’ 13-06 and trunk OpenWrt BSPs. Note that the 12-10 OpenWrt BSP is not affected. Gateworks has resolved …

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Floating Point Math on ARM CPUs

From time to time we get questions about floating point math on ARMCPU’s. As it turns out this is a rather advanced topic that deservessome discussion, so we recently put all of our notes and experiences intoa Wiki article that we felt was worth blogging about. To make a long story short, many users get …

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