On 04/05/2018 07:39 PM, Christian Borntraeger wrote: > > > On 04/05/2018 06:11 PM, Ming Lei wrote: >>> >>> Could you please apply the following patch and provide the dmesg boot log? >> >> And please post out the 'lscpu' log together from the test machine too. > > attached. > > As I said before this seems to go way with CONFIG_NR_CPUS=64 or smaller. > We have 282 nr_cpu_ids here (max 141CPUs on that z13 with SMT2) but only 8 Cores > == 16 threads. To say it differently The whole system has up to 141 cpus, but this LPAR has only 8 cpus assigned. So we have 16 CPUS (SMT) but this could become up to 282 IF I would do CPU hotplug. (But this is not used here).
