From: Lukas Straub <lukasstraub2@web.de>
To: leirao <lei.rao@intel.com>
Cc: zhang.zhanghailiang@huawei.com, lizhijian@cn.fujitsu.com,
quintela@redhat.com, jasowang@redhat.com, dgilbert@redhat.com,
qemu-devel@nongnu.org, chen.zhang@intel.com
Subject: Re: [PATCH 02/10] Fix the qemu crash when guest shutdown during checkpoint
Date: Wed, 20 Jan 2021 20:12:44 +0100 [thread overview]
Message-ID: <20210120201244.3e4b30d9@gecko.fritz.box> (raw)
In-Reply-To: <1610505995-144129-3-git-send-email-lei.rao@intel.com>
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On Wed, 13 Jan 2021 10:46:27 +0800
leirao <lei.rao@intel.com> wrote:
> From: "Rao, Lei" <lei.rao@intel.com>
>
> This patch fixes the following:
> qemu-system-x86_64: invalid runstate transition: 'colo' ->'shutdown'
> Aborted (core dumped)
>
> Signed-off-by: Lei Rao <lei.rao@intel.com>
I wonder how that is possible, since the VM is stopped during 'colo' state.
Unrelated to this patch, I think this area needs some work since
the following unintended runstate transition is possible:
'shutdown' -> 'colo' -> 'running'.
> ---
> softmmu/runstate.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/softmmu/runstate.c b/softmmu/runstate.c
> index 636aab0..455ad0d 100644
> --- a/softmmu/runstate.c
> +++ b/softmmu/runstate.c
> @@ -125,6 +125,7 @@ static const RunStateTransition runstate_transitions_def[] = {
> { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
>
> { RUN_STATE_COLO, RUN_STATE_RUNNING },
> + { RUN_STATE_COLO, RUN_STATE_SHUTDOWN},
>
> { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
> { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
--
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next prev parent reply other threads:[~2021-01-20 19:15 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-13 2:46 [PATCH 00/10] Fixed some bugs and optimized some codes for COLO leirao
2021-01-13 2:46 ` [PATCH 01/10] Remove some duplicate trace code leirao
2021-01-20 18:43 ` Lukas Straub
2021-01-13 2:46 ` [PATCH 02/10] Fix the qemu crash when guest shutdown during checkpoint leirao
2021-01-20 19:12 ` Lukas Straub [this message]
2021-01-21 1:48 ` Rao, Lei
2021-01-27 18:24 ` Lukas Straub
2021-01-29 2:57 ` Rao, Lei
2021-02-14 11:45 ` Lukas Straub
2021-02-25 9:40 ` Rao, Lei
2021-01-13 2:46 ` [PATCH 03/10] Optimize the function of filter_send leirao
2021-01-20 19:21 ` Lukas Straub
2021-01-21 1:02 ` Rao, Lei
2021-01-13 2:46 ` [PATCH 04/10] Remove migrate_set_block_enabled in checkpoint leirao
2021-01-20 19:28 ` Lukas Straub
2021-01-13 2:46 ` [PATCH 05/10] Optimize the function of packet_new leirao
2021-01-20 19:45 ` Lukas Straub
2021-01-13 2:46 ` [PATCH 06/10] Add the function of colo_compare_cleanup leirao
2021-01-13 2:46 ` [PATCH 07/10] Disable auto-coverge before entering COLO mode leirao
2021-01-13 11:31 ` Dr. David Alan Gilbert
2021-01-14 3:21 ` Rao, Lei
2021-02-14 10:52 ` Lukas Straub
2021-02-25 9:22 ` Rao, Lei
2021-01-13 2:46 ` [PATCH 08/10] Reduce the PVM stop time during Checkpoint leirao
2021-01-13 2:46 ` [PATCH 09/10] Add the function of colo_bitmap_clear_diry leirao
2021-01-13 2:46 ` [PATCH 10/10] Fixed calculation error of pkt->header_size in fill_pkt_tcp_info() leirao
2021-02-14 11:50 ` [PATCH 00/10] Fixed some bugs and optimized some codes for COLO Lukas Straub
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