On 6/20/19 1:13 AM, Tao Ren wrote: > On 6/20/19 1:01 AM, Ryan Chen wrote: >> Hello Tao, >> Let me more clear. When you set (3, 15, 14) the device sometimes response nack. >> but when you set (4, 7, 7), the device always ack. Am I right? >> Ryan > > Hello Ryan, > > It's correct. We have seen the problem on 2 Facebook BMC platforms so far. Given the other ~10 Facebook BMC platforms are still running kernel 4.1 (with (4, 7, 7) settings), I'd assume more platforms will be impacted after upgrading to the latest kernel. > > Thank you for spending time on this! Just heads up Ryan and I are working with ODM vendors to collect scope output; will update back when we have new findings. Thank you all for spending time on this. Cheers, Tao
