[email protected] wrote: > On the ASRock E350M1 I see slow data rates (<=10% of full rate) for > incoming data transfers using the onboard gigabit NIC. There are > kernel log messages like > > r8169 0000:03:00.0: eth0: link up > NOHZ: local_softirq_pending 08 > > repeated 10 times, followed by messages like > > net_ratelimit: 75 callbacks suppressed
Start by comparing interrupt setup and interrupt rates with factory BIOS. Then drill all the way down through the five-six groups of registers that are relevant for interrupt handling in the hardware and compare differences selectively based on ideas gathered from initial behavior comparison. Write patch. Receive thanks! :) //Peter -- coreboot mailing list: [email protected] http://www.coreboot.org/mailman/listinfo/coreboot

