[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] [PULL 14/28] runstate: migration allows more transition
From: |
Juan Quintela |
Subject: |
Re: [Qemu-devel] [PULL 14/28] runstate: migration allows more transitions now |
Date: |
Wed, 08 Jul 2015 13:06:01 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.5 (gnu/linux) |
zhanghailiang <address@hidden> wrote:
> Hi,
>
> If testing migration with '-S' for qemu command line, (migrate
> directly without executing 'cont' command),
> qemu process in the destination will abort with the follow message:
>
> ERROR: invalid runstate transition: 'inmigrate' -> 'prelaunch'
> Aborted
>
> After the follow modification, it will be OK. Is this need to be fix ?
but this is a "werid" case. basically it means that
- we start on host A
- we start on host B (with -S)
- we migrate from A to B
- now we migrate from B to C without running at all on B
Or I am missing something?
Later, Juan.
>
> --- a/vl.c
> +++ b/vl.c
> @@ -583,6 +583,7 @@ static const RunStateTransition
> runstate_transitions_def[] = {
> { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
> { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
> + { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
>
> { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
> { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
>
>
> Thanks,
> zhanghailiang
>
> On 2015/7/7 21:08, Juan Quintela wrote:
>> Next commit would allow to move from incoming migration to error happening
>> on source.
>>
>> Should we add more states to this transition? Luiz?
>>
>> Signed-off-by: Juan Quintela <address@hidden>
>> Reviewed-by: Dr. David Alan Gilbert <address@hidden>
>> ---
>> vl.c | 8 +++++++-
>> 1 file changed, 7 insertions(+), 1 deletion(-)
>>
>> diff --git a/vl.c b/vl.c
>> index fec7e93..19a8737 100644
>> --- a/vl.c
>> +++ b/vl.c
>> @@ -573,8 +573,14 @@ static const RunStateTransition
>> runstate_transitions_def[] = {
>> { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
>> { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
>>
>> - { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
>> + { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
>> + { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
>> { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
>> + { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
>> + { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
>> + { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
>> + { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
>> + { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
>>
>> { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
>> { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
>>
- Re: [Qemu-devel] [PULL 15/28] migration: create new section to store global state, (continued)
- Re: [Qemu-devel] [PULL 15/28] migration: create new section to store global state, Juan Quintela, 2015/07/08
- Re: [Qemu-devel] [PULL 15/28] migration: create new section to store global state, Juan Quintela, 2015/07/08
- Re: [Qemu-devel] [PULL 15/28] migration: create new section to store global state, Christian Borntraeger, 2015/07/08
- Re: [Qemu-devel] [PULL 15/28] migration: create new section to store global state, Juan Quintela, 2015/07/08
- Re: [Qemu-devel] [PULL 15/28] migration: create new section to store global state, Christian Borntraeger, 2015/07/08
- Re: [Qemu-devel] [PULL 15/28] migration: create new section to store global state, Juan Quintela, 2015/07/08
[Qemu-devel] [PULL 14/28] runstate: migration allows more transitions now, Juan Quintela, 2015/07/07
[Qemu-devel] [PULL 18/28] migration: Add configuration section, Juan Quintela, 2015/07/07
[Qemu-devel] [PULL 17/28] vmstate: Create optional sections, Juan Quintela, 2015/07/07
[Qemu-devel] [PULL 19/28] migration: Use cmpxchg correctly, Juan Quintela, 2015/07/07
[Qemu-devel] [PULL 20/28] migration: ensure we start in NONE state, Juan Quintela, 2015/07/07
[Qemu-devel] [PULL 22/28] migration: No need to call trace_migrate_set_state(), Juan Quintela, 2015/07/07
[Qemu-devel] [PULL 23/28] migration: create migration event, Juan Quintela, 2015/07/07