[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Xen-devel] [PATCH] Re: Shadow domains left zombie


  • To: "Tim Deegan" <tim@xxxxxxx>
  • From: "Andres Lagar-Cavilla" <andres@xxxxxxxxxxxxxxxx>
  • Date: Thu, 19 Apr 2012 13:10:23 -0700
  • Cc: Gianluca Guida <glguida@xxxxxxxxx>, Jan Beulich <jbeulich@xxxxxxxx>, xen-devel@xxxxxxxxxxxxx
  • Delivery-date: Thu, 19 Apr 2012 20:11:22 +0000
  • Domainkey-signature: a=rsa-sha1; c=nofws; d=lagarcavilla.org; h=message-id :in-reply-to:references:date:subject:from:to:cc:reply-to :mime-version:content-type:content-transfer-encoding; q=dns; s= lagarcavilla.org; b=c/FL5oTEZLYlo549Uref7Nmv9bC40FULjG0dOQlxRkiY dSj0TMVk+2abIDU72+o4Mblw5W7fDd9vewUdHF+ZTtMaNfPE0W67MJ4DoooIoEs/ R7u3J7YkXGr+thR0rx/RCpM1OzcNxcPdcokWcSlRX5XwNaMCxNBcLxryC/x/sH0=
  • List-id: Xen developer discussion <xen-devel.lists.xen.org>

> At 09:19 -0700 on 13 Apr (1334308772), Andres Lagar-Cavilla wrote:
>> After a hvm+shadow domain dies (either clean shutdown or merciless
>> destroy), the domain is left in a zombie state with 1 (one) page left
>> dangling with a single reference.
>
> The reference is to the top-level pagetable that was pointed to by CR3
> when the domain was killed.  This bug came in with:
>
>  changeset:   23142:f5e8d152a565
>  user:        Jan Beulich <jbeulich@xxxxxxxxxx>
>  date:        Tue Apr 05 13:01:25 2011 +0100
>  description: x86: split struct vcpu
>
> where HVM domains no longer have vcpu_destroy_pagetables(v) called on
> their VCPUs as they die.  Proposed fix attached.
>
> Cheers,

Looks good. Thanks for tracing that down. Ack from my end.
Thanks
Andres

>
> Tim.
>



_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxx
http://lists.xen.org/xen-devel


 


Rackspace

Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.