[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-ppc] [PATCH RFC] spapr: ignore interrupts during reset state
From: |
Nikunj A Dadhania |
Subject: |
Re: [Qemu-ppc] [PATCH RFC] spapr: ignore interrupts during reset state |
Date: |
Thu, 13 Jul 2017 16:02:13 +0530 |
Cédric Le Goater <address@hidden> writes:
> On 07/13/2017 11:10 AM, Nikunj A Dadhania wrote:
>> Cédric Le Goater <address@hidden> writes:
>>
>>> On 07/13/2017 09:55 AM, Nikunj A Dadhania wrote:
>>>> Cédric Le Goater <address@hidden> 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
- Re: [Qemu-ppc] [PATCH RFC] spapr: ignore interrupts during reset state, Nikunj A Dadhania, 2017/07/13
- Re: [Qemu-ppc] [PATCH RFC] spapr: ignore interrupts during reset state, Cédric Le Goater, 2017/07/13
- Re: [Qemu-ppc] [PATCH RFC] spapr: ignore interrupts during reset state, Cédric Le Goater, 2017/07/13
- Re: [Qemu-ppc] [PATCH RFC] spapr: ignore interrupts during reset state, Nikunj A Dadhania, 2017/07/13
- Re: [Qemu-ppc] [PATCH RFC] spapr: ignore interrupts during reset state, Cédric Le Goater, 2017/07/13
- Re: [Qemu-ppc] [PATCH RFC] spapr: ignore interrupts during reset state, Nikunj A Dadhania, 2017/07/13
- Re: [Qemu-ppc] [PATCH RFC] spapr: ignore interrupts during reset state, Nikunj A Dadhania, 2017/07/13
- Re: [Qemu-ppc] [PATCH RFC] spapr: ignore interrupts during reset state, Cédric Le Goater, 2017/07/13
- Re: [Qemu-ppc] [PATCH RFC] spapr: ignore interrupts during reset state,
Nikunj A Dadhania <=
- Re: [Qemu-ppc] [PATCH RFC] spapr: ignore interrupts during reset state, Cédric Le Goater, 2017/07/13
Re: [Qemu-ppc] [PATCH RFC] spapr: ignore interrupts during reset state, Nikunj A Dadhania, 2017/07/13