Re: KVM on POWER8 host lock up since 10d91611f426 ("powerpc/64s: Reimplement book3s idle code in C")

2020-08-31 Thread Ruediger Oertel
m_hv/parameters/target_smt_mode:0 (actually identical on all 5 above) -- with kind regards (mit freundlichem Grinsen), Ruediger Oertel (r...@suse.com,r...@suse.de,bugfin...@t-online.de) Do-Not-Accept-Binary-Blobs.Ever.From-Anyone. Key fingerprint = 17DC 6553 8

Re: KVM on POWER8 host lock up since 10d91611f426 ("powerpc/64s: Reimplement book3s idle code in C")

2020-08-31 Thread Ruediger Oertel
4 kernel: [30102.254470] KVM: couldn't grab cpu 61 > > I'm not sure where to start with reproducing, I'll have to try. How many > vCPUs in the guests? Do you have several guests running at once? > > Thanks, > Nick > -- with kind regards (mit freundliche

Re: KVM on POWER8 host lock up since 10d91611f426 ("powerpc/64s: Reimplement book3s idle code in C")

2020-08-31 Thread Ruediger Oertel
nces, "-smp 16,threads=8" obs-power8-02: 20 instances, "-smp 8,threads=8" obs-power8-03: 30 instances, "-smp 8,threads=8" obs-power8-04: 20 instances, "-smp 8,threads=8" obs-power8-05: 36 instances, "-smp 4,threads=2" (this one with "ppc64_cpu --subcore