On 30/03/17 05:12, Vikram Mulukutla wrote: > > Hi Sudeep, > >> >> Interesting. Just curious if this is r0p0/p1 A53 ? If so, is the errata >> 819472 enabled ? > > Sorry for bringing this up after the loo-ong delay, but I've been > assured that the A53 involved is > r0p1. I've also confirmed this > problem on multiple internal platforms, and I'm pretty sure that it > occurs on any b.L out there today. Also, we found the same problematic > lock design used in the workqueue code in the kernel, causing the same > livelock. It's very very rare and requires a perfect set of circumstances. > > If it would help I can provide a unit test if you folks would be > generous enough to test it on the latest Juno or something b.L that's > also upstream. >
Sure, please do share the unit test. I will give that a try on Juno. -- Regards, Sudeep
