From: Paolo Bonzini <pbonzini@redhat.com>
To: Chen Fan <chen.fan.fnst@cn.fujitsu.com>, qemu-devel@nongnu.org
Cc: Marcelo Tosatti <mtosatti@redhat.com>
Subject: Re: [Qemu-devel] [PATCH] i386/helper: add cpu dump APIC information
Date: Thu, 20 Nov 2014 13:34:49 +0100 [thread overview]
Message-ID: <546DDFE9.8030800@redhat.com> (raw)
In-Reply-To: <1405998056-10674-1-git-send-email-chen.fan.fnst@cn.fujitsu.com>
On 22/07/2014 05:00, Chen Fan wrote:
> When KVM exit reason is KVM_EXIT_SHUTDOWN, there will cause
> guest to reset, but we can't get any information to fix.
> we knew KVM handle triple fault will set exit_reason to
> KVM_EXIT_SHUTDOWN, so we also should dump the APIC information
> to help to fix.
>
> Signed-off-by: Chen Fan <chen.fan.fnst@cn.fujitsu.com>
Hi, old (16-bit) guests will triple fault in order to get out of
protected mode, so it's not possible to dump anything when you get
KVM_EXIT_SHUTDOWN. :(
Paolo
prev parent reply other threads:[~2014-11-20 12:35 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-22 3:00 [Qemu-devel] [PATCH] i386/helper: add cpu dump APIC information Chen Fan
2014-11-20 12:34 ` Paolo Bonzini [this message]
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