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Re: [Xen-devel] [PATCH] Fix softlockup issue after vcpu hotplug


  • To: "Tian, Kevin" <kevin.tian@xxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx>
  • From: Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
  • Date: Tue, 30 Jan 2007 10:10:08 +0000
  • Delivery-date: Tue, 30 Jan 2007 02:09:47 -0800
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: AcdESFqDCWsISfq5RGeHgxcxVzRqmQACelaDAAAZiDAAAQnwRA==
  • Thread-topic: [Xen-devel] [PATCH] Fix softlockup issue after vcpu hotplug



On 30/1/07 09:54, "Tian, Kevin" <kevin.tian@xxxxxxxxx> wrote:

> Another simple approach to trigger such warning is to let
> __xen_suspend() jumps to smp_resume immediately after
> smp_suspend, as a test case for suspend cancel. People can
> observe all vcpus except vcpu0 fall into that warning frequently.

Do you know if this problem has been observed across many versions of Xen or
e.g., only after the upgrade to 2.6.18?

 -- Keir



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