linux-kernel - Re: [PATCH 3/3] deal with guest panicked event

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Message-ID: <4FD74447.2090906@redhat.com>
Date:	Tue, 12 Jun 2012 15:29:43 +0200
From:	Paolo Bonzini <pbonzini@...hat.com>
To:	Wen Congyang <wency@...fujitsu.com>
CC:	kvm list <kvm@...r.kernel.org>, qemu-devel <qemu-devel@...gnu.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Avi Kivity <avi@...hat.com>,
	"Daniel P. Berrange" <berrange@...hat.com>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	Jan Kiszka <jan.kiszka@...mens.com>,
	Gleb Natapov <gleb@...hat.com>
Subject: Re: [PATCH 3/3] deal with guest panicked event

Il 21/05/2012 08:50, Wen Congyang ha scritto:
> +DEF("onpanic", HAS_ARG, QEMU_OPTION_onpanic, \
> +    "-onpanic report|pause|quit\n" \
> +    "                action when the guest is panicked [default=report]",
> +    QEMU_ARCH_ALL)
> +STEXI
> +@...m -onpanic @var{action}
> +
> +The @var{action} controls what QEmu will do when the guest is panicked.
> +The default is @code{report} (emit QEVENT_GUEST_PANICKED only).

-watchdog-action just calls this "none".

> +Other possible actions are:
> +@...e{pause} (emit QEVENT_GUEST_PANICKED and pause VM),
> +@...e{quit} (emit QEVENT_GUEST_PANICKED and quit VM).

Rather than just "quit", there should be choices for "shutdown",
"poweroff" and "reset" for consistency with -watchdog-action.

Also, this option should also be accessible from "-machine", please.

Paolo

> +ETEXI
> +
>  HXCOMM This is the last statement. Insert new options before this line!
>  STEXI
>  @end table
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