On 07/13/2017 11:10 AM, Nikunj A Dadhania wrote: > Cédric Le Goater <c...@kaod.org> writes: > >> On 07/13/2017 09:55 AM, Nikunj A Dadhania wrote: >>> Cédric Le Goater <c...@kaod.org> writes: >>> >>>>>> How about the following, we do not report work until MSR_EE is disabled: >>>>> >>>>> With this fix, I could test the XIVE<->XICS transitions at reboot >>>>> under TCG. However, the second boot is very slow for some reason. >>>> >>>> hmm, I am not sure this is related but I just got : >>> >>> Havent seen in my setup after around 10 reboot cycles, I was using 2 >>> cores pseries setup. Lets give it some more testing. When did this >>> happen, during boot ? >> >> yes. >> >> I could not reproduce either :/ but I am keeping the patch. qemu runs >> with : >> >> -m 2G -M pseries -accel tcg,thread=multi -cpu POWER9 -smp cores=4,maxcpus=8 >> -realtime mlock=off -kernel ./vmlinux-4.12.0+ -initrd ./initrd.img-4.12.0+ >> -append 'console=hvc0 dyndbg="file arch/powerpc/sysdev/xive/* +p"' >> -nographic -nodefaults -serial mon:stdio -snapshot -d guest_errors,unimp >> -no-shutdown >> > > With 4 cores I am seeing hangs occasionally, although I havent seen a > crash. But seems to be similar problem that you had seen.
The results are good with 4 and 8 cores and so you can add my Tested-by: Cheers, C.
