Re: [Qemu-devel] [Qemu-ppc] [PATCH RFC] spapr: ignore interrupts during reset state

[Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>]

Cédric Le Goater <clg@kaod.org> writes:

> On 07/13/2017 11:10 AM, Nikunj A Dadhania wrote:
>> Cédric Le Goater <clg@kaod.org> writes:
>> 
>>> On 07/13/2017 09:55 AM, Nikunj A Dadhania wrote:
>>>> Cédric Le Goater <clg@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:

Did you try my last patch?

Regards
Nikunj